CN203981517U - A kind of spring fatigue test device - Google Patents
A kind of spring fatigue test device Download PDFInfo
- Publication number
- CN203981517U CN203981517U CN201420410331.8U CN201420410331U CN203981517U CN 203981517 U CN203981517 U CN 203981517U CN 201420410331 U CN201420410331 U CN 201420410331U CN 203981517 U CN203981517 U CN 203981517U
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- spring
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- connecting rod
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Abstract
The utility model discloses a kind of spring fatigue test device, comprise connecting rod, slide block, slide rail, spring base and by motor-driven cam, connecting rod one end other end and slide block hinged with cam and corresponding cam are hinged, slide block and slide rail are connected, spring base is detachably connected on track, cam drives by motor, by connecting rod, the rotational motion of cam is being changed into the repeatedly motion of slide block in slide rail, simulating spring stretches and compresses and wipe motion, the fatigue characteristic to spring that can be more definite is tested, cam be provided with in the radial direction slideway, slideway and hinged block are connected, by regulating the relative position in hinged block and the cam center of circle, can change the relative position of connecting rod and cam, thereby change the distance to the stretching of spring and compression.The not only ensuring smooth transmission of this device, is convenient to realize, and can also realize the testing fatigue to the spring of different specification size, more practical.
Description
Technical field
The utility model relates to spring field, a kind of spring fatigue test device of specific design.
Background technology
Spring is a kind of mechanical component that utilize elasticity to carry out work.Utilize its elasticity can control the motion of parts, relax impact or vibrations, the size of stored energy, ergometry etc.Be widely used in machine, instrument.But itself there is elastic fatigue in spring, in some exact instrument, very high to the requirement of spring, before appearring in spring, elastic fatigue just must change spring, to guarantee the normal use of instrument, the elastic fatigue feature of spring has also just become spring to use the major parameter of selecting, so the essential device of spring fatigue test device Cheng Liao spring manufacturer and application producer.
Chinese patent 201310209561.8 discloses a kind of " spring fatigue test machine ", comprise swing connecting bar, swing connecting bar connecting sliding rail is cross-shaped, the end linking springs compressing mechanism of slide rail, spring-compressed mechanism is placed in spring base, swing connecting bar comprises fork and cam, the two ends of fork have strip groove, cam projection on cam is inserted the groove of fork one side, the groove of fork opposite side inserts slide rail projection, cam rotates, drive fork swings, again by fork and slide rail projection, slide rail is moved, thereby simulate the environment that spring is used, spring is carried out to testing fatigue.But this structure, by cam driven fork, then drives slide rail, has larger frictional resistance, drive underaction, and cam and fork size fix, can only test single spring, the scope of application is less.
Therefore, how can how to make spring fatigue test device simple in structure, flexible operation, and can regulate the scope stretching, and the spring of different size is tested, become to be badly in need of the technical matters of solution.
Utility model content
The deficiency existing for prior art, the utility model provides a kind of spring fatigue test device, by motor, drives, the rotation of band moving cam, cam and rod hinge connection, the relative cam other end of connecting rod and slide block are hinged, by the rotation of cam, band movable slider is done motion repeatedly in slide rail, simulate stretching and the compression process of spring, meanwhile, on cam, be provided with the slideway of adjustable hinged block, can, by regulating the position of hinged block, realize the testing fatigue to different size spring.
For achieving the above object, the utility model provides following technical scheme: a kind of spring fatigue test device, comprise connecting rod, slide block, slide rail and the cam driving by drive motor, connecting rod one end other end and slide block hinged with cam and corresponding cam are hinged, slide block and slide rail are connected, and on slide rail, the other end of corresponding slide block is provided with spring base, are provided with radially slideway on cam, connecting rod and cam hinged place are provided with hinged block, and hinged block is mobile adjusting in slideway.
By adopting technique scheme, cam drives by motor, again by two ends respectively with cam and the hinged link transmission of slide block, the rotational motion of cam is changed into the repeatedly motion of slide block in slide rail, slide block and slide rail are connected, by slide rail, the direction of motion of slide block is played the effect of restriction, simulating spring stretches and compresses and wipe motion, the fatigue characteristic to spring that can be more definite is tested, cam be provided with in the radial direction slideway, slideway and hinged block are connected, by regulating the relative position in hinged block and the cam center of circle, can change the distance to the stretching of spring and compression, can meet the testing fatigue of various different size springs.
The utility model is further set to, hinged block cross section is " work " font, hinged block comprises the first cylinder, the second cylinder and the joint pin of coaxial setting, hinged block is one-body molded, the groove of slideway for matching with hinged block, hinged block axially upper perforation is provided with threaded hole, and in threaded hole, is provided with the clamping screw of the slideway of conflicting.
By adopting technique scheme, hinged block cross section is " work " font, Stability Analysis of Structures, intensity is high, the coaxial setting of the first cylinder, the second cylinder and joint pin and one-body molded, not only easily manufactured, and structural strength is high, can play better effect to hinged between cam and connecting rod, hinged block the first cylinder is embedded in the groove of slideway, and hinged block axial direction is provided with threaded hole, and be provided with bolt with matching, by tighting a bolt, bolt is conflicted on slideway, realize fixing hinged block.
The utility model is further set to, and one end of the corresponding cam of connecting rod is provided with the perforate matching with hinged block.
By adopting technique scheme, the perforate of the corresponding cam of connecting rod one end, size matches with hinged block the second cylinder, and a side of connecting rod is provided with the fluting matching with hinged block joint pin, makes between connecting rod and hinged block formation hinged flexibly.
The utility model is further set to, one end of the corresponding spring base of slide block is provided with some roads for the fixing claw of spring, some roads are set for the fixing claw of spring in spring base, claw is uniformly distributed along the circumferencial direction of same circle, and spring base is detachably connected on slide rail.
By adopting technique scheme, some roads are set in slide block and spring base in order to the claw of fixing spring, claw is evenly distributed on the circumference of same circle, spring is screwed, is fixed on claw, can be stable fix spring, make in spring all directions stressed evenly, the accurate control of realization to spring-compressed, stretching, draws the fatigue characteristic curve that spring is correct
The utility model is further set to, and drive motor is classification drive motor.
By adopting technique scheme, classification drive motor, can obtain a stable output speed by regulating motor, thereby the number of times that in the testing fatigue of spring, stretches, compresses has a statistics accurately, and control realizes semi-automation.
The utility model is further set to, and slideway and cam center are on same straight line.
By adopting technique scheme, slideway and cam center, at same straight line, can make the motion of cam driven slide block in slideway sensitiveer, can better realize the control to transmission.
Compared with prior art, the utility model has the advantage of: on cam, be provided with slideway, the position of hinged block and cam can regulate in slideway, by changing the position in hinged block and the cam center of circle, change the distance to the stretching of spring and compression, thereby realize the testing fatigue to different size spring.
Accompanying drawing explanation
Fig. 1 is the utility model spring fatigue test device structural representation;
Fig. 2 is the utility model hinged block connection diagram;
Fig. 3 is the utility model hinged block structural representation;
Fig. 4 is the utility model cam structure schematic diagram;
Fig. 5 is the utility model slide block structure schematic diagram.
Reference numeral: 1, cam; 2, connecting rod; 3, slide block; 4, slide rail; 5, spring base; 6, spring; 11, hinged block; 12, bolt; 13, slideway; 14, the first cylinder; 15, the second cylinder; 16, joint pin; 31, claw.
Embodiment
Referring to figs. 1 through Fig. 5, a kind of spring fatigue test device embodiment of the utility model is described further.
A kind of spring fatigue test device, comprise connecting rod 2, slide block 3, slide rail 4, spring base 5 and by motor-driven cam 1, on cam 1, be provided with slideway 13, connecting rod 2 is hinged by hinged block 11 and cam 1, in order to make hinged effect sensitiveer, hinged block 11 is set to cylindric, the first cylinder 14 that comprises coaxial setting, the second cylinder 15 and joint pin 16, the diameter of the first cylinder 14 and the second cylinder 15 is greater than joint pin 16 diameters, hinged block 11 adopts integral forming process manufacture, not only structural strength is high, and link is stable, the fine hinge function of realizing of energy, hinged block 11 cross sections are " work " font, the logical threaded hole that is provided with on hinged block 11 axial directions, and with the bolt 12 matching with screw thread, after bolt 12 is tightened, can make the one side of 12, the relative bolt of bolt 12 conflict on slideway 13, thereby fix hinged block 11.Simultaneously, bolt 12 is unclamped to the position in adjustable hinged block 11 relative cam 1 centers of circle, thereby the relative position of regulating connecting rod 2 and cam 1, the distance of motion repeatedly that just can change cam 1 drivening rod 2, realizes the elastic fatigue of various different size springs 6 is tested.The slideway 13 of slideway 13 on cam 1 for matching with hinged block 11, the first cylinder 14 on hinged block 11 is coated in slideway 13, slideway 13 opening parts are formed with the projection matching with hinged block 11 joint pin 16 parts, restriction is played in position to hinged block 11, on connecting rod 2, one end of cam 1 offers through hole relatively, bolt 12 on hinged block 11 can pass through through hole adjusting tightness, when realization is hinged flexibly, can also adjust hinged block 11 positions.
In order better to realize the test to spring fatigue, the other end and the slide block 3 of connecting rod 2 relative cams 1 are hinged, on slide block 3, be provided with connecting rod 2 on through hole to fluting, by pin rod, realize the hinged of slide block 3 and connecting rod 2, make the transmission between connecting rod 2 and slide block 3 more flexible.Slide block 3 slips are arranged on slide rail 4, and the direction of slide block 3 slippages and cam 1 center, on same straight line, can make slide block 3 under cam 1 rotates, and the athletic performance repeatedly of drive is symmetrical, stretch stressed evenly with the process of compression, test out more accurately spring 6 elastic fatigue characteristic curvees.
Further, guarantee that the realization that spring 6 can be stable stretches and compression, some roads claw 31 is set respectively on slide block 3 and spring base 5, preferably be set to three roads, Qie San road claw 31 is along being uniformly distributed on the circumferencial direction of same circle, lines rotation by spring 6 along spring 6 sticks in claw 31, three road claws 31 can play stable clamping action to spring 6, the stretching of spring 6 and the motion repeatedly of compression energy and slide block 3 are consistent, conveniently record fatigue characteristic curve, spring base 5 is detachably connected on slide rail 4, dismounting in the time of can facilitating different spring 6 test, and can pass through the position of regulating spring seat 5, change the position of spring 6, make spring 6 in testing fatigue, can complete the action stretching with compression simultaneously, test more comprehensive.Drive motor is classification drive motor, can control the rotating speed of cam 1 by regulating the output speed of drive motor, thereby the frequency of the compression and tension of control spring 6 is convenient to the record to spring fatigue test.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a spring fatigue test device, comprise connecting rod, slide block, slide rail and the cam driving by drive motor, it is characterized in that: described connecting rod one end other end and slide block hinged with cam and corresponding cam are hinged, described slide block and slide rail are connected, on described slide rail, the other end of corresponding slide block is provided with spring base, on described cam, be provided with radially slideway, described connecting rod and described cam hinged place are provided with hinged block, and described hinged block is mobile adjusting in slideway.
2. spring fatigue test device according to claim 1, it is characterized in that: described hinged block cross section is " work " font, described hinged block comprises the first cylinder, the second cylinder and the joint pin of coaxial setting, described hinged block is one-body molded, the groove of described slideway for matching with hinged block, described hinged block axially upper perforation is provided with threaded hole, and in threaded hole, is provided with the clamping screw of the slideway of conflicting.
3. spring fatigue test device according to claim 2, is characterized in that: one end of the corresponding cam of described connecting rod is provided with the perforate matching with hinged block.
4. spring fatigue test device according to claim 3, it is characterized in that: one end of the corresponding spring base of described slide block is provided with some roads for the fixing claw of spring, some roads are set for the fixing claw of spring in described spring base, described claw is uniformly distributed along the circumferencial direction of same circle, and described spring base is detachably connected on slide rail.
5. spring fatigue test device according to claim 1 and 2, is characterized in that: described drive motor is classification drive motor.
6. spring fatigue test device according to claim 5, is characterized in that: described slideway and described cam center are on same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410331.8U CN203981517U (en) | 2014-07-23 | 2014-07-23 | A kind of spring fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410331.8U CN203981517U (en) | 2014-07-23 | 2014-07-23 | A kind of spring fatigue test device |
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| CN203981517U true CN203981517U (en) | 2014-12-03 |
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| CN201420410331.8U Expired - Fee Related CN203981517U (en) | 2014-07-23 | 2014-07-23 | A kind of spring fatigue test device |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104515676A (en) * | 2014-12-11 | 2015-04-15 | 重庆亿铸机械制造有限公司 | Lever mechanism on tensile testing machine for springs |
| CN104913926A (en) * | 2015-06-25 | 2015-09-16 | 西安理工大学 | Inclined coil spring fatigue testing device with controllable eccentric magnitude and testing method thereof |
| CN104977164A (en) * | 2015-07-02 | 2015-10-14 | 肖叶 | Pedestal for detecting tensile strength of spring |
| CN105021387A (en) * | 2015-07-09 | 2015-11-04 | 安徽舒城华云弹簧制造有限公司 | Spring bending failure life test device |
| CN105527091A (en) * | 2016-02-25 | 2016-04-27 | 浙江金耐斯体育用品有限公司 | Numerical control trampoline spring tension fatigue testing machine |
| CN105628365A (en) * | 2016-04-14 | 2016-06-01 | 南京航空航天大学 | Spring tension-compression fatigue testing device |
| CN106124181A (en) * | 2016-07-20 | 2016-11-16 | 苏州切浦汽车零部件有限公司 | Spring fatigue test machine |
| CN106404565A (en) * | 2016-09-27 | 2017-02-15 | 河海大学 | Hydraulic fracturing testing machine for concrete members under reciprocating load and high water pressure |
| CN106768969A (en) * | 2017-01-13 | 2017-05-31 | 沈阳航空航天大学 | Special type spring rate automatic detection mechanism |
| CN106840625A (en) * | 2017-01-09 | 2017-06-13 | 河南平高电气股份有限公司 | A kind of slider-crank mechanism and the spring life test apparatus using the mechanism |
| CN106949117A (en) * | 2017-04-25 | 2017-07-14 | 哈尔滨工程大学 | A kind of test device of spring Valve Vibration Frequency Response |
| CN107576582A (en) * | 2017-08-09 | 2018-01-12 | 安徽红桥金属制造有限公司 | A kind of inspection equipment for air spring bending compression fatigue |
| CN107806987A (en) * | 2017-09-30 | 2018-03-16 | 华南理工大学 | A kind of spring test device |
| CN107831001A (en) * | 2017-11-02 | 2018-03-23 | 贺欣豪 | A kind of spring fatigue strength testing device |
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| CN109696353A (en) * | 2019-01-30 | 2019-04-30 | 河北科技大学 | A kind of product design strength of materials test device |
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| CN110411874A (en) * | 2019-08-21 | 2019-11-05 | 南京凯盟仕电子科技有限公司 | A kind of spring fatigue detection device and detection method |
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2014
- 2014-07-23 CN CN201420410331.8U patent/CN203981517U/en not_active Expired - Fee Related
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| CN104515676A (en) * | 2014-12-11 | 2015-04-15 | 重庆亿铸机械制造有限公司 | Lever mechanism on tensile testing machine for springs |
| CN104913926A (en) * | 2015-06-25 | 2015-09-16 | 西安理工大学 | Inclined coil spring fatigue testing device with controllable eccentric magnitude and testing method thereof |
| CN104913926B (en) * | 2015-06-25 | 2017-11-03 | 西安理工大学 | The canted coil spring fatigue experimental device and test method of a kind of controllable offset |
| CN104977164A (en) * | 2015-07-02 | 2015-10-14 | 肖叶 | Pedestal for detecting tensile strength of spring |
| CN105021387A (en) * | 2015-07-09 | 2015-11-04 | 安徽舒城华云弹簧制造有限公司 | Spring bending failure life test device |
| CN105527091B (en) * | 2016-02-25 | 2019-04-19 | 浙江金耐斯体育用品有限公司 | A kind of numerical control trampoline spring pulling force fatigue tester |
| CN105527091A (en) * | 2016-02-25 | 2016-04-27 | 浙江金耐斯体育用品有限公司 | Numerical control trampoline spring tension fatigue testing machine |
| CN105628365A (en) * | 2016-04-14 | 2016-06-01 | 南京航空航天大学 | Spring tension-compression fatigue testing device |
| CN106124181A (en) * | 2016-07-20 | 2016-11-16 | 苏州切浦汽车零部件有限公司 | Spring fatigue test machine |
| CN106404565A (en) * | 2016-09-27 | 2017-02-15 | 河海大学 | Hydraulic fracturing testing machine for concrete members under reciprocating load and high water pressure |
| CN106840625B (en) * | 2017-01-09 | 2019-07-19 | 河南平高电气股份有限公司 | A kind of slider-crank mechanism and the spring life test apparatus using the mechanism |
| CN106840625A (en) * | 2017-01-09 | 2017-06-13 | 河南平高电气股份有限公司 | A kind of slider-crank mechanism and the spring life test apparatus using the mechanism |
| CN106768969B (en) * | 2017-01-13 | 2018-12-18 | 沈阳航空航天大学 | Special type spring rate automatic detection mechanism |
| CN106768969A (en) * | 2017-01-13 | 2017-05-31 | 沈阳航空航天大学 | Special type spring rate automatic detection mechanism |
| CN106949117A (en) * | 2017-04-25 | 2017-07-14 | 哈尔滨工程大学 | A kind of test device of spring Valve Vibration Frequency Response |
| CN107576582A (en) * | 2017-08-09 | 2018-01-12 | 安徽红桥金属制造有限公司 | A kind of inspection equipment for air spring bending compression fatigue |
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| CN107831001A (en) * | 2017-11-02 | 2018-03-23 | 贺欣豪 | A kind of spring fatigue strength testing device |
| CN109625719A (en) * | 2018-12-06 | 2019-04-16 | 雷德斌 | A kind of municipal administration rubbish barrel cleaner |
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| CN110031204A (en) * | 2019-05-16 | 2019-07-19 | 昆山丘钛微电子科技有限公司 | Antifatigue test fixture |
| CN110031204B (en) * | 2019-05-16 | 2024-03-08 | 昆山丘钛微电子科技有限公司 | Anti-fatigue test fixture |
| CN110376124A (en) * | 2019-07-10 | 2019-10-25 | 金华职业技术学院 | A kind of biological sample tensile test method |
| CN110376124B (en) * | 2019-07-10 | 2022-03-25 | 金华职业技术学院 | Biological sample tensile test method |
| CN110426299A (en) * | 2019-07-30 | 2019-11-08 | 南京兆能节能科技有限公司 | A kind of spring life test apparatus and its application method convenient for yield index detection |
| CN110411874A (en) * | 2019-08-21 | 2019-11-05 | 南京凯盟仕电子科技有限公司 | A kind of spring fatigue detection device and detection method |
| CN110411874B (en) * | 2019-08-21 | 2020-05-19 | 南京凯盟仕电子科技有限公司 | Spring fatigue detection device and detection method |
| CN111380677A (en) * | 2020-04-26 | 2020-07-07 | 安徽中腾汽车零部件有限公司 | Fatigue testing machine for spring |
| CN111380677B (en) * | 2020-04-26 | 2021-10-15 | 安徽中腾汽车零部件有限公司 | Fatigue testing machine for spring |
| CN111623943A (en) * | 2020-06-18 | 2020-09-04 | 广东石油化工学院 | Device for carrying out metal material fatigue test on vibration table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20190723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |