CN103308402A - Horizontal type spring fatigue testing machine - Google Patents
Horizontal type spring fatigue testing machine Download PDFInfo
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- CN103308402A CN103308402A CN2013102201744A CN201310220174A CN103308402A CN 103308402 A CN103308402 A CN 103308402A CN 2013102201744 A CN2013102201744 A CN 2013102201744A CN 201310220174 A CN201310220174 A CN 201310220174A CN 103308402 A CN103308402 A CN 103308402A
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Abstract
The invention relates to a horizontal type spring fatigue testing machine, and solves the problems that the stress of the existing spring fatigue testing machine is uneven and the like. The testing machine comprises a working platform and a driving mechanism, wherein the working platform is provided with a spring mounting mechanism for mounting a measured spring and enabling the measured spring to be positioned in a horizontal state, and the working platform is provided with a transmission mechanism connected with the driving mechanism; the spring mounting mechanism and the transmission mechanism can prop against, and when the driving mechanism drives the transmission mechanism to move, the transmission mechanism can drive the measured spring arranged on the spring mounting mechanism to do an axial reciprocating stretch movement. The horizontal type spring fatigue testing machine provided by the invention has the advantages that the structure is simple and reasonable, the stability is high, the spring is compressed and released in the horizontal direction, the stress of the spring is uniform, the measuring accuracy is high, the operation efficiency is high, and a plurality of springs are simultaneously tested. The security is high, the application range is wide, the fatigue characteristics of the spring under different temperatures are tested, the installation of the measured spring is convenient, and the automaticity is high.
Description
Technical field
The invention belongs to the spring technical field, especially relate to a kind of horizontal spring fatigue tester.
Background technology
The spring fatigue characteristic is an important indicator of spring quality, it refers to the phenomenon of rupture that spring produces after crimp, common metal will crack after distortion, generally very little, even sometimes can ignore, but often distortion, crackle will increase, the crackle gap will increase, and finally causes spring fatigue.Spring fatigue test device mainly is by compression or extension spring spring to be carried out testing fatigue, to obtain the fatigue properties of detected spring, thereby can correctly use suitable spring in the different application occasion, so spring fatigue test device has become each spring manufacturer and has used one of indispensable device of producer.When by the spring fatigue test machine spring being carried out torture test in the prior art, usually adopt a driving mechanism to drive a spring and do reciprocal stretching or compression movement at vertical direction, this structure exists many deficiencies, for example, complex structure, poor stability, vertical direction Compress Spring easily cause spring stress inhomogeneous, and measuring accuracy is low, poor stability, inefficiency can't be tested a plurality of springs simultaneously, and security is low, the scope of application is little, can't the fatigue properties of test spring under the different temperatures environment, tested spring fitting inconvenience, automaticity is low etc.
The problem that exists in order to solve prior art, people have carried out long-term exploration, have proposed solution miscellaneous.For example, Chinese patent literature discloses a kind of spring fatigue test device [application number: 201020566402.5], comprise clamp bottom board, lower location-plate and top board, and be located at spring sheet-holder on the lower location-plate, that be used for fixing tested spring, described tested spring housing is contained on the spring sheet-holder, the quantity of described spring sheet-holder is more than one, and the mounting hole on described spring sheet-holder and the lower location-plate adopts clearance fit.
Such scheme has solved the simultaneously few problem of test spring of existing spring fatigue test device to a certain extent, but this scheme still exists: complex structure, and poor stability, vertical direction Compress Spring easily cause spring stress inhomogeneous, measuring accuracy is low, poor stability, inefficiency, security is low, the scope of application is little, can't the fatigue properties of test spring under the different temperatures environment, tested spring fitting inconvenience, the problem that automaticity is low.
Summary of the invention
The objective of the invention is for the problems referred to above, provide a kind of simple and reasonable, can horizontal direction compress tested spring, the uniform horizontal spring fatigue tester of tested spring stress.
For achieving the above object, the present invention has adopted following technical proposal: this horizontal spring fatigue tester, it is characterized in that, this test machine comprises workbench and driving mechanism, be provided be used to tested spring being installed and being made tested spring be in the spring-mounted mechanism of horizontality at workbench, described workbench is provided with the gear train that links to each other with described driving mechanism, described spring-mounted mechanism and gear train lean and when driving mechanism drives the gear train action this gear train can drive the tested spring axial reciprocating that is arranged on the spring-mounted mechanism and stretch.Realize at horizontality lower compression and the tested spring of release, so that tested spring stress is even by said structure.
In above-mentioned horizontal spring fatigue tester, described spring-mounted mechanism has several and evenly distributes in a circumferential direction, described gear train is arranged on the center that each spring-mounted mechanism surrounds the circle that forms, and when driving mechanism drives the gear train action this gear train to drive successively the tested spring axial reciprocating that is arranged on each spring-mounted mechanism flexible.A plurality of spring-mounted mechanisms circumferencial direction evenly respectively and can be under gear train drives the flexible tested spring of axial reciprocating successively so that this test function is tested the fatigue properties of a plurality of springs simultaneously, improved work efficiency.
In above-mentioned horizontal spring fatigue tester, each described spring-mounted mechanism comprises respectively horizontally disposed lever body and the horizontally disposed quiet body of rod, the described quiet body of rod and the coaxial setting of lever body level and opposite, form the space for tested spring fitting between the quiet body of rod and lever body, described lever body the inner leans with gear train and can move by axial reciprocating under the drive of gear train.
Installation for convenient tested spring, the inner of the quiet body of rod is provided with the first positioning body, the outer end of described lever body is provided with the second positioning body, between the first positioning body and the second positioning body, form described space, by the first positioning body and the second positioning body tested spring is fixed between the quiet body of rod and the lever body during test, gear train drives the lever body and moves back and forth to quiet body of rod direction, thereby realizes compression and the release of tested spring.
In above-mentioned horizontal spring fatigue tester, described workbench is provided with inner frame body and is located at the outer support body of inner frame body periphery, and described lever body is slidingly connected on the inner frame body, and the described quiet body of rod is fixed on the outer support body.
In order to improve the stability of this test machine, described inner frame body is regular polygon, described outer support body is regular polygon, and form the annular space that is regular polygon between described inner frame body and the outer support body, described annular space is the regular polygon on plural limit, one side at every spring-mounted mechanism that arranges respectively of annular space; Be provided with the range controlling mechanism that can limit lever body stroke between described inner frame body and the lever body, described range controlling mechanism is provided with lubricating oil and adds structure; Described range controlling mechanism comprises and is fixed on the inner frame body and tubular pedestal, and described lever body is located in the pedestal, has axially extended bar hole at the lever body, is fixed with the register pin that is located in the bar hole on the described pedestal; The described quiet body of rod links to each other with outer support body by stroke adjusting structure, and described stroke adjusting structure comprises the swivel nut that is fixed on the outer support body, and the described quiet body of rod and swivel nut are threaded connection.
In above-mentioned horizontal spring fatigue tester, described gear train comprises with driving mechanism and linking to each other and horizontally disposed rotating disk, departs from the center at rotating disk and is provided with power wheel, and the inner of described lever body is provided with the roller that can lean with power wheel.So that the generation of lever body is mobile, improved the stability of this test machine operation by power wheel top pressing roller.
In above-mentioned horizontal spring fatigue tester, described rotating disk departs from the center and is fixed with center-pole, described power wheel is installed on the center-pole and can circumferentially rotates with respect to center-pole, described power wheel is arranged with on the described center-pole be used to the stop collar that prevents power wheel off center bar ringwise and be evenly equipped with some rolling members between power wheel and center-pole; Described lever end of body is provided with prong, is equipped with central shaft in the described prong, and described roller housing is located on the central shaft and is arranged in prong, is evenly equipped with rolling member between described roller and the central shaft.After power wheel drives previous lever body and moves, can act on rapidly next lever body, so that the lever physical efficiency is mobile successively, continuity is strong.
In above-mentioned horizontal spring fatigue tester, described gear train comprises with driving mechanism and linking to each other and horizontally disposed cam, and the inner of described lever body is provided with the pulley that can lean with cam.Realize moving back and forth of lever body by cam jacking sliding wheel.
In above-mentioned horizontal spring fatigue tester, be provided with between the described quiet body of rod and the lever body be used to the heating and heat-insulating device of controlling the environment temperature of tested spring when testing.Realize the fatigue properties of the tested spring of test under the varying environment temperature by heating and heat-insulating device.
In above-mentioned horizontal spring fatigue tester, described heating and heat-insulating device comprises box body, this box body has axial perforation and can hold the passage of tested spring, the outer end of the inner of the described quiet body of rod and lever body lays respectively in the passage, is provided with the electrical heating coil that can heat the tested spring that is positioned at passage at box body.Tested spring is positioned at passage during test, the electrical heating coil can carry out heat tracing to tested spring, move to the quiet body of rod by the lever body, so that can test the fatigue properties of tested spring under the different temperatures environment, for the ease of taking out after the installation of tested spring and the tested spring breakage, described box body comprises the first halfbody and the second halfbody, be respectively equipped with upper groove body and lower groove on described the first halfbody and the second halfbody, described the first halfbody and the second halfbody can mutually fasten and when the first halfbody and the second halfbody fasten mutually described upper groove body and lower groove amalgamation form above-mentioned passage.
In above-mentioned horizontal spring fatigue tester, also be provided with on the described box body for detection of the temperature-control senser of temperature in the passage with for detection of the sensor for countering of the flexible number of times of passage inner spring, described electrical heating coil, temperature-control senser and sensor for countering all link to each other with control circuit.After temperature reaches design temperature in the temperature-control senser sense channel, control circuit control electrical heating coil stopped heating, sensor for countering can be counted the compressed number of times of tested spring.
Compared with prior art, the advantage of this horizontal spring fatigue tester is: simple and reasonable, stability is strong, can realize horizontal direction compression and retracting spring, spring stress is even, and measuring accuracy is high, high efficiency, can test simultaneously a plurality of springs, safe, applied widely, the fatigue properties of energy test spring under design temperature, tested spring fitting is convenient, and automaticity is high.
Description of drawings
Fig. 1 is structural representation provided by the invention.
Fig. 2 is the structural representation of gear train among the present invention.
Fig. 3 is the structural representation of heating and heat-insulating device among the present invention.
Fig. 4 is partial schematic diagram of the present invention.
Fig. 5 is circuit block diagram of the present invention.
Among the figure, workbench 1, inner frame body 11, outer support body 12, spring-mounted mechanism 2, lever body 21, prong 211, central shaft 212, the quiet body of rod 22, space 23, gear train 3, rotating disk 31, power wheel 32, roller 33, center-pole 34, stop collar 35, heating and heat-insulating device 4, box body 41, the first halfbody 411, upper groove body 411a, the second halfbody 412, lower groove 412a, passage 42, electrical heating coil 43, temperature-control senser 44, sensor for countering 45, control circuit 46, the first positioning body 5, the second positioning body 6, annular space 7, range controlling mechanism 8, pedestal 81, bar hole 82, register pin 83.
Embodiment
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
Embodiment one
Shown in Fig. 1-5, this horizontal spring fatigue tester, comprise workbench 1 and driving mechanism, be provided be used to tested spring being installed and being made tested spring be in the spring-mounted mechanism 2 of horizontality at workbench 1, workbench 1 is provided with the gear train 3 that links to each other with driving mechanism, spring-mounted mechanism 2 lean with gear train 3 and when driving mechanism drives gear train 3 action this gear train 3 can drive the tested spring axial reciprocating that is arranged on the spring-mounted mechanism 2 and stretch, realize at horizontality lower compression and the tested spring of release, so that tested spring stress is even by said structure.
As a kind of technical scheme of comparatively optimizing, spring-mounted mechanism 2 in the present embodiment has several and evenly distributes in a circumferential direction, gear train 3 is arranged on each spring-mounted mechanism 2 and surrounds the center of the circle that forms, and it is flexible that this gear train 3 can drive the tested spring axial reciprocating that is arranged on each spring-mounted mechanism 2 successively when driving mechanism drives gear train 3 action, a plurality of spring-mounted mechanisms 2 circumferencial direction evenly respectively and can be under gear train 3 drives the flexible tested spring of axial reciprocating successively, so that this test function is tested the fatigue properties of a plurality of springs simultaneously, improved work efficiency.Each spring-mounted mechanism 2 comprises respectively horizontally disposed lever body 21 and the horizontally disposed quiet body of rod 22, the quiet body of rod 22 and the coaxial setting of lever body 21 levels and opposite, between the quiet body of rod 22 and lever body 21, form the space 23 for tested spring fitting, lever body 21 the inners lean with gear train 3 and can move by axial reciprocating under the drive of gear train 3, installation for convenient tested spring, the inner of the quiet body of rod 22 is provided with the first positioning body 5, the outer end of described lever body 21 is provided with the second positioning body 6, between the first positioning body 5 and the second positioning body 6, form described space 23, by the first positioning body 5 and the second positioning body 6 tested spring is fixed between the quiet body of rod 22 and the lever body 21 during test, gear train 3 drives lever body 21 and moves back and forth to the quiet body of rod 22 directions, thereby realizes compression and the release of tested spring.Workbench 1 is provided with inner frame body 11 and is located at the outer support body 12 of inner frame body 11 peripheries, lever body 21 is slidingly connected on the inner frame body 11, the quiet body of rod 22 is fixed on the outer support body 12, in order to improve the stability of this test machine, described inner frame body 11 is regular polygon, described outer support body 12 is regular polygon, and form the annular space 7 that is regular polygon between described inner frame body and the outer support body, described annular space 7 is the regular polygon on plural limit, one side at every spring-mounted mechanism 2 that arranges respectively of annular space 7; Be provided with the range controlling mechanism 8 that can limit lever body 21 strokes between described inner frame body 11 and the lever body 21, described range controlling mechanism 8 is provided with lubricating oil and adds structure; Described range controlling mechanism 8 comprises and is fixed on the inner frame body 11 and tubular pedestal 81, described lever body 21 is located in the pedestal 81, have axially extended bar hole 82 at lever body 81, be fixed with the register pin 83 that is located in the bar hole 82 on the described pedestal 81; The described quiet body of rod 22 links to each other with outer support body 12 by stroke adjusting structure, and described stroke adjusting structure comprises the swivel nut that is fixed on the outer support body 12, and the described quiet body of rod 22 is threaded connection with swivel nut.
Further, the gear train 3 in the present embodiment comprises with driving mechanism and linking to each other and horizontally disposed rotating disk 31, departs from the center at rotating disk 31 and is provided with power wheel 32, and the inner of lever body 21 is provided with the roller 33 that can lean with power wheel 32.So that 21 generations of lever body are mobile, improved the stability of this test machine operation by power wheel 32 top pressing rollers 33.Rotating disk 31 departs from the center and is fixed with center-pole 34, power wheel 32 is installed on the center-pole 34 and can circumferentially rotates with respect to center-pole 34, power wheel 32 is evenly equipped with some rolling members ringwise and between power wheel 32 and center-pole 34, is arranged with on the center-pole 34 be used to the stop collar 35 that prevents power wheel 32 off center bars 34; Lever body 21 ends are provided with prong 211, are equipped with central shaft 212 in the prong 211, and roller 33 is set on the central shaft 212 and is arranged in prong 211, is evenly equipped with rolling member between roller 33 and the central shaft 212.After the previous lever body 21 of power wheel 32 drives moves, can act on rapidly next lever body 21, so that lever body 21 can move successively, continuity is strong.Be provided with between the quiet body of rod 22 and the lever body 21 be used to the heating and heat-insulating device 4 of controlling the environment temperature of tested spring when testing, realize the fatigue properties of the tested springs of test under the varying environment temperature by heating and heat-insulating device 4.Heating and heat-insulating device 4 comprises box body 41, this box body 41 has axial perforation and can hold the passage 42 of tested spring, the outer end of the inner of the quiet body of rod 22 and lever body 21 lays respectively in the passage 42, be provided with the electrical heating coil 43 that can heat the tested spring that is positioned at passage 42 at box body 41, tested spring is positioned at passage during test, electrical heating coil 43 can carry out heat tracing to tested spring, move to the quiet body of rod 22 by lever body 21, so that can test the fatigue properties of tested spring under the different temperatures environment, for the ease of taking out after the installation of tested spring and the tested spring breakage, described box body 41 comprises the first halfbody 411 and the second halfbody 412, be respectively equipped with upper groove body 411a and lower groove 412a on described the first halfbody 411 and the second halfbody 412, described the first halfbody 411 and the second halfbody 412 can mutually fasten and when the first halfbody 411 and the second halfbody 412 fasten mutually described upper groove body 411a and lower groove 412a amalgamation form above-mentioned passage 42.Also be provided with on the box body 41 for detection of the temperature-control senser 44 of passage 42 interior temperature with for detection of the sensor for countering 45 of the flexible number of times of passage 42 inner springs, electrical heating coil 43, temperature-control senser 44 and sensor for countering 45 all link to each other with control circuit 46, after temperature-control senser 44 sense channels 42 interior temperature reach design temperature, control circuit 46 control electrical heating coils 43 stopped heatings, sensor for countering 45 can be counted the compressed number of times of tested spring.
Embodiment two
The present embodiment is basic identical with structure and the principle of embodiment one, different place is, in the present embodiment, gear train 3 comprises with driving mechanism and linking to each other and horizontally disposed cam, the inner of described lever body 21 is provided with the pulley that can lean with cam, realizes moving back and forth of lever body 21 by cam jacking sliding wheel.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used workbench 1, inner frame body 11, outer support body 12, spring-mounted mechanism 2, lever body 21, prong 211, central shaft 212, the quiet body of rod 22, space 23, gear train 3, rotating disk 31, power wheel 32, roller 33, center-pole 34, stop collar 35, heating and heat-insulating device 4, box body 41, the first halfbody 411, upper groove body 411a, the second halfbody 412, lower groove 412a, passage 42, electrical heating coil 43, temperature-control senser 44, sensor for countering 45, control circuit 46 first positioning bodies 5, the second positioning body 6, annular space 7, range controlling mechanism 8, pedestal 81, bar hole 82, register pin 83 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1. horizontal spring fatigue tester, it is characterized in that, this test machine comprises workbench (1) and driving mechanism, be provided be used to tested spring being installed and being made tested spring be in the spring-mounted mechanism (2) of horizontality at workbench (1), described workbench (1) is provided with the gear train (3) that links to each other with described driving mechanism, described spring-mounted mechanism (2) and gear train (3) lean and when driving mechanism drives gear train (3) action this gear train (3) can drive the tested spring axial reciprocating that is arranged on the spring-mounted mechanism (2) and stretch.
2. horizontal spring fatigue tester according to claim 1, it is characterized in that, described spring-mounted mechanism (2) has several and evenly distributes in a circumferential direction, described gear train (3) is arranged on each spring-mounted mechanism (2) and surrounds the center of the circle that forms, and when driving mechanism drives gear train (3) action this gear train (3) to drive successively the tested spring axial reciprocating that is arranged on each spring-mounted mechanism (2) flexible.
3. horizontal spring fatigue tester according to claim 2, it is characterized in that, each described spring-mounted mechanism (2) comprises respectively horizontally disposed lever body (21) and the horizontally disposed quiet body of rod (22), the described quiet body of rod (22) and the coaxial setting of lever body (21) level and opposite, form the space (23) for tested spring fitting between the quiet body of rod (22) and lever body (21), described lever body (21) the inner leans with gear train (3) and can move by axial reciprocating under the drive of gear train (3).
4. horizontal spring fatigue tester according to claim 3, it is characterized in that, described workbench (1) is provided with inner frame body (11) and is located at the peripheral outer support body (12) of inner frame body (11), described lever body (21) is slidingly connected on the inner frame body (11), and the described quiet body of rod (22) is fixed on the outer support body (12).
5. according to claim 3 or 4 described horizontal spring fatigue testers, it is characterized in that, described gear train (3) comprises with driving mechanism and linking to each other and horizontally disposed rotating disk (31), depart from the center at rotating disk (31) and be provided with power wheel (32), the inner of described lever body (21) is provided with the roller (33) that can lean with power wheel (32).
6. horizontal spring fatigue tester according to claim 5, it is characterized in that, described rotating disk (31) departs from the center and is fixed with center-pole (34), described power wheel (32) is installed in center-pole (34) upward and can circumferentially rotates with respect to center-pole (34), described power wheel (32) is evenly equipped with some rolling members ringwise and between power wheel (32) and center-pole (34), is arranged with on the described center-pole (34) be used to the stop collar (35) that prevents power wheel (32) off center bar (34); Described lever body (21) end is provided with prong (211), be equipped with central shaft (212) in the described prong (211), described roller (33) is set in central shaft (212) upward and is arranged in prong (211), is evenly equipped with rolling member between described roller (33) and the central shaft (212).
7. according to claim 3 or 4 described horizontal spring fatigue testers, it is characterized in that, described gear train (3) comprises with driving mechanism and linking to each other and horizontally disposed cam, and the inner of described lever body (21) is provided with the pulley that can lean with cam.
8. horizontal spring fatigue tester according to claim 5 is characterized in that, is provided with between the described quiet body of rod (22) and the lever body (21) be used to the heating and heat-insulating device (4) of controlling the environment temperature of tested spring when testing.
9. horizontal spring fatigue tester according to claim 8, it is characterized in that, described heating and heat-insulating device (4) comprises box body (41), this box body (41) has axial perforation and can hold the passage (42) of tested spring, the outer end of the inner of the described quiet body of rod (22) and lever body (21) lays respectively in the passage (42), is provided with the electrical heating coil (43) that can heat the tested spring that is positioned at passage (42) at box body (41).
10. horizontal spring fatigue tester according to claim 9, it is characterized in that, also be provided with on the described box body (41) for detection of the temperature-control senser (44) of the interior temperature of passage (42) with for detection of the sensor for countering (45) of the flexible number of times of passage (42) inner spring, described electrical heating coil (43), temperature-control senser (44) and sensor for countering (45) all link to each other with control circuit (46).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220174.4A CN103308402B (en) | 2013-06-04 | 2013-06-04 | Horizontal type spring fatigue testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310220174.4A CN103308402B (en) | 2013-06-04 | 2013-06-04 | Horizontal type spring fatigue testing machine |
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| CN103308402A true CN103308402A (en) | 2013-09-18 |
| CN103308402B CN103308402B (en) | 2015-03-18 |
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| CN201310220174.4A Active CN103308402B (en) | 2013-06-04 | 2013-06-04 | Horizontal type spring fatigue testing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103994934A (en) * | 2014-04-30 | 2014-08-20 | 中国船舶重工集团公司第七二五研究所 | Mechanical-linkage test machine for simultaneously performing fatigue tests on N metal samples |
| CN107036805A (en) * | 2017-06-14 | 2017-08-11 | 苏州科技大学 | Spring anti-fatigue test equipment |
| CN107817101A (en) * | 2017-10-31 | 2018-03-20 | 南昌大学 | A kind of endurance experimental provision of engineering mechanics |
| CN109916614A (en) * | 2019-04-01 | 2019-06-21 | 南京兆能节能科技有限公司 | A kind of spring life test machine and its test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107036805A (en) * | 2017-06-14 | 2017-08-11 | 苏州科技大学 | Spring anti-fatigue test equipment |
| CN107817101A (en) * | 2017-10-31 | 2018-03-20 | 南昌大学 | A kind of endurance experimental provision of engineering mechanics |
| CN109916614A (en) * | 2019-04-01 | 2019-06-21 | 南京兆能节能科技有限公司 | A kind of spring life test machine and its test method |
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|---|---|
| CN103308402B (en) | 2015-03-18 |
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