CN106066241B - The measuring device of device of spring stiffness coefficient - Google Patents
The measuring device of device of spring stiffness coefficient Download PDFInfo
- Publication number
- CN106066241B CN106066241B CN201610398819.7A CN201610398819A CN106066241B CN 106066241 B CN106066241 B CN 106066241B CN 201610398819 A CN201610398819 A CN 201610398819A CN 106066241 B CN106066241 B CN 106066241B
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- China
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- spring
- testboard
- linear motor
- bearer plate
- guide rod
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 238000013101 initial test Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000005483 Hooke's law Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of measuring device of device of spring stiffness coefficient, including stent and testboard, measuring device further includes linear motor, link block, force snesor, spring bearer plate, spring bearer plate guide rod and displacement sensor, the output shaft of linear motor and the upper end of link block connect, link block can slide up and down to rack-mount, the lower end of link block is connect with force snesor, force snesor is connect with spring bearer plate, the lower end installation spring bearer plate guide rod of spring bearer plate, guide rod is located at the top of testboard, the lower section installation displacement sensor of testboard, the mandril of displacement sensor passes through testboard, mandril is located at the underface of spring bearer plate guide rod, it is the test station of spring to be tested between spring bearer plate and testboard, spring bearer plate guide rod, mandril above testboard is located at the middle part of spring to be tested.The present invention provides a kind of measuring device of higher, the easy to operate device of spring stiffness coefficient of precision.
Description
Technical field
The present invention relates to a kind of measuring devices of device of spring stiffness coefficient.
Background technology
The measuring device of existing device of spring stiffness coefficient, the Chinese utility model such as Patent No. 201120431398.6 are special
Profit discloses a kind of measuring device of spring stiffness coefficient, is mainly used in big, special secondary school universities and colleges and middle and primary schools' experimental teaching.It is containing electricity
Sub- balance, stent, graduated scale, cross bar, fixed screw, light spring, counterweight.With graduated scale, the fixed spiral shell of cross bar on stent
Silk is stuck on stent, and light spring is hung on cross bar, counterweight is hung below spring, counterweight is placed on scales/electronic balance weighing disk.The spring
Stiffness factor measuring instrument, changes the elongation of spring by the height and position for changing cross bar, and electronic balance record acts on spring
Power variable quantity, device of spring stiffness coefficient is acquired by Hooke's law.Existing technological deficiency:Precision is relatively low, troublesome in poeration, intelligence
Change degree is relatively low.
Invention content
In order to overcome the shortcomings of that the precision of the measurement method of existing device of spring stiffness coefficient is relatively low, troublesome in poeration, the present invention carries
For a kind of measuring device of higher, the easy to operate device of spring stiffness coefficient of precision.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of measuring device of device of spring stiffness coefficient, including stent and testboard, the measuring device further includes straight-line electric
Machine, link block, force snesor, spring bearer plate, spring bearer plate guide rod and displacement sensor, the output shaft of the linear motor with
The upper end connection of link block, the link block can slide up and down to rack-mount, lower end and the power sensing of the link block
Device connects, and the force snesor is connect with spring bearer plate, and the spring bearer plate guide rod, institute are installed in the lower end of the spring bearer plate
State the top that guide rod is located at the testboard, the lower section installation institute displacement sensors of the testboard, the displacement sensing
The mandril of device passes through the testboard, and the mandril is located at the underface of the spring bearer plate guide rod, the spring bearer plate and
It is the test station of spring to be tested between testboard, the spring bearer plate guide rod, the mandril above testboard are located at
The middle part of the spring to be tested.
Further, institute's displacement sensors are digimatic micrometer, and the digimatic micrometer passes through displacement sensor fixed frame
It is fixed on stent.
Further, spring guide ring fixed frame is set on the testboard, and spring guide ring is fixed on the spring and leads
On ring fixed frame, the lower end of the spring to be tested is located in the spring guide ring.
Further, the link block is fixedly connected with a slide block, and the sliding block is slideably sleeved in the linear guide, institute
It is rack-mount to state the linear guide.
The linear motor is mounted on linear motor fixed frame, and the linear motor fixed frame is rack-mount, institute
The output shaft for stating linear motor is connect with linear motor sliding block, and the linear motor sliding block is connect with the upper end of the link block.
The present invention technical concept be:Compression mechanism compressed spring is driven using linear motor, is provided in compression mechanism
Force snesor and digimatic micrometer can measure the stress and deformation quantity of spring in real time.
Beneficial effects of the present invention are mainly manifested in:Precision is higher, easy to operate, intelligence degree is higher.
Description of the drawings
Fig. 1 is the schematic diagram of the measuring device of device of spring stiffness coefficient.
Fig. 2 is the partial enlarged view of test station.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Figures 1 and 2, a kind of measuring device of device of spring stiffness coefficient, it is described to measure dress including stent and testboard 17
It puts and further includes linear motor 1, link block 4, force snesor 9, spring bearer plate 10, spring bearer plate guide rod 11 and displacement sensor
14, the output shaft of the linear motor 1 is connect with the upper end of link block 4, and the link block 4 can slide up and down to mounted on stent
On, the lower end of the link block 4 is connect with force snesor 9, and the force snesor 9 is connect with spring bearer plate 10, the spring pressure
The spring bearer plate guide rod 11 is installed in the lower end of plate 10, and the guide rod 11 is located at the top of the testboard 17, the survey
The lower section installation institute displacement sensors 14 of test stand 17, the mandril of institute's displacement sensors 14 passes through the testboard 17, described
Mandril is located at the underface of the spring bearer plate guide rod 11, is spring to be tested between the spring bearer plate 10 and testboard 17
Test station, the spring bearer plate guide rod 11, the mandril above testboard are located at the middle part of the spring to be tested.
Further, institute's displacement sensors 14 are digimatic micrometer, and the digimatic micrometer is fixed by displacement sensor
Frame 13 is fixed on stent.
Further, spring guide ring fixed frame 16 is set on the testboard 17, and spring guide ring 15 is fixed on described
On spring guide ring fixed frame 16, the lower end of the spring to be tested is located in the spring guide ring 15.
Further, the link block 4 is fixedly connected with sliding block 8, and the sliding block 8 is slideably sleeved on the linear guide 7
On, the linear guide 7 is rack-mount.
The linear motor 1 is mounted on linear motor fixed frame 2, and the linear motor fixed frame 2 is rack-mount,
The output shaft of the linear motor 1 is connect with linear motor sliding block 3, the upper end of the linear motor sliding block 3 and the link block
Connection.
The stent includes pedestal 6 and vertical plate 5.
In the present embodiment, compression mechanism is by pedestal 6, and vertical plate 5, linear motor 1, linear motor sliding block 3, linear motor is solid
Determine frame 2, the linear guide 7, straight-line guide rail slide block 8, motor and force snesor link block 4, force snesor 9, spring bearer plate 10, spring
Guide ring 15, spring guide ring fixed frame 16, spring bearer plate guide rod 11, displacement sensor 14, displacement sensor fixed frame 13,
The compositions such as displacement sensor mandril 12, testboard 17.
Spring guide ring 15 play the guiding role in compressed spring, needs to match with tested spring.
Intelligent measuring systems are provided with, that is, control show case, control 1 step motion of linear motor, while acquire power sensing
The numerical value of device 9 and displacement sensor 14 (digimatic micrometer), and the stiffness factor of tested spring is calculated automatically.
Control show case is provided with keyboard, controller, memory, liquid crystal display and communication interface.Step motion control linear motor
Movement, spring stepping are compressed, 100 groups of data of every group of test, compress bullet per 100 microns (10 millimeters of total kilometres) acquisition is grown step by step
The pressure of spring and the deformation quantity of spring calculate the stiffness factor of spring, are sent to liquid crystal screen display automatically, have manual measurement
With two kinds of operating modes of automatic measurement.
Intelligent test system carries data storage function, can store every group of 100 test datas and automatic calculating spring strength
Spend coefficient;With data query function, any one test data of 20 groups of test datas can be inquired;It is connect with computer communication
Mouth and software can complete data upload.
The course of work of the present embodiment is:
1st, first spring guide ring fixed frame is placed on testboard, then puts spring to be measured and spring guide ring together
It puts in spring guide ring fixed frame.
2nd, it adjusts linear motor by intelligent test system to move downward, spring bearer plate is made to compress spring to be measured, until bullet
Spring pressing plate guide rod and displacement sensor ejector pin contact, at this time the numerical value on force snesor and displacement sensor start to change.
3rd, it adjusts linear motor by intelligent test system to move downward by fixed step size (20 microns/step), often moves one
Step, intelligent test system acquires the numerical value on force snesor and displacement sensor, and is sent in memory and stores, every group of test
100 groups of data, after test, intelligent test system calculates the stiffness factor of spring to be measured automatically, and is sent on liquid crystal display
Display.Meanwhile intelligent test system driving linear motor moves upwards, and returns to initial test position, waits for test next time.
Claims (6)
1. a kind of measuring device of device of spring stiffness coefficient, including stent and testboard, it is characterised in that:The measuring device is also wrapped
Linear motor, link block, force snesor, spring bearer plate, spring bearer plate guide rod and displacement sensor are included, the linear motor
The upper end of output shaft and link block connects, and the link block can slide up and down to rack-mount, the lower end of the link block
It is connect with force snesor, the force snesor is connect with spring bearer plate, and the spring bearer plate is installed in the lower end of the spring bearer plate
Guide rod, the guide rod are located at the top of the testboard, and the lower section installation institute displacement sensors of the testboard are described
The mandril of displacement sensor passes through the testboard, and the mandril is located at the underface of the spring bearer plate guide rod, the bullet
It is the test station of spring to be tested between spring pressing plate and testboard, the spring bearer plate guide rod, above testboard
Mandril is located at the middle part of the spring to be tested.
2. the measuring device of device of spring stiffness coefficient as described in claim 1, it is characterised in that:Institute's displacement sensors are digital display
Micrometer, the digimatic micrometer are fixed on by displacement sensor fixed frame on stent.
3. the measuring device of device of spring stiffness coefficient as claimed in claim 1 or 2, it is characterised in that:It is set on the testboard
Spring guide ring fixed frame, spring guide ring are fixed on the spring guide ring fixed frame, the lower end of the spring to be tested
In the spring guide ring.
4. the measuring device of device of spring stiffness coefficient as claimed in claim 1 or 2, it is characterised in that:The link block and sliding block
It is fixedly connected, the sliding block is slideably sleeved in the linear guide, and the linear guide is rack-mount.
5. the measuring device of device of spring stiffness coefficient as claimed in claim 1 or 2, it is characterised in that:The linear motor installation
On linear motor fixed frame, the linear motor fixed frame is rack-mount, the output shaft and straight line of the linear motor
Motor sliding block connects, and the linear motor sliding block is connect with the upper end of the link block.
6. the measuring method that a kind of measuring device of device of spring stiffness coefficient as described in claim 1 is realized, it is characterised in that:Institute
Measuring method is stated to include the following steps:
1), first spring guide ring fixed frame is placed on testboard, then places spring to be measured and spring guide ring together
Into spring guide ring fixed frame;
2), linear motor is adjusted by intelligent test system to move downward, spring bearer plate is made to compress spring to be measured, until spring pressure
Plate guide rod and displacement sensor ejector pin contact, at this time the numerical value on force snesor and displacement sensor start to change;
3) it, adjusts linear motor by intelligent test system to move downward by fixed step size, often fortune moves a step, intelligent test system
The numerical value on force snesor and displacement sensor is acquired, and is sent in memory and stores, 100 groups of data of every group of test, test knot
Shu Hou, intelligent test system calculate the stiffness factor of spring to be measured automatically, and are sent to liquid crystal screen display;Meanwhile intelligent testing
Test system driving linear motor moves upwards, and returns to initial test position, waits for test next time.
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CN201610398819.7A CN106066241B (en) | 2016-06-07 | 2016-06-07 | The measuring device of device of spring stiffness coefficient |
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CN201610398819.7A CN106066241B (en) | 2016-06-07 | 2016-06-07 | The measuring device of device of spring stiffness coefficient |
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CN106066241A CN106066241A (en) | 2016-11-02 |
CN106066241B true CN106066241B (en) | 2018-07-06 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106546397A (en) * | 2017-01-10 | 2017-03-29 | 深圳市思榕科技有限公司 | Spring mechanical performance evaluation instrument |
CN106596270A (en) * | 2017-01-24 | 2017-04-26 | 佛山佑尔汽车智能技术有限公司 | Test device and test method of attenuation of extension spring and compression spring |
JP6987689B2 (en) * | 2018-03-30 | 2022-01-05 | 日本発條株式会社 | Load measuring device and method |
CN110057560B (en) * | 2019-04-15 | 2020-09-18 | 齐鲁理工学院 | Device for measuring stiffness coefficient of spring |
CN116398353A (en) * | 2022-01-14 | 2023-07-07 | 中国长江电力股份有限公司 | Method for verifying stiffness coefficient of yield spring of speed regulator of hydroelectric generating set |
CN116159761A (en) * | 2023-03-03 | 2023-05-26 | 威海浩成精密机械有限公司 | Spring pressure adjusting gasket sorting device and method |
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DE3151564A1 (en) * | 1981-12-28 | 1983-07-07 | Hans Widmaier Fabrik für Apparate der Fernmelde- und Feinwerktechnik, 8000 München | Spring-measuring and spring-testing device |
DE10055358C2 (en) * | 2000-11-08 | 2002-11-07 | Steinbach Gmbh | Coil spring tester |
CN103376192A (en) * | 2012-04-19 | 2013-10-30 | 鸿富锦精密工业(深圳)有限公司 | Spring detection device |
CN202562721U (en) * | 2012-05-07 | 2012-11-28 | 王永旺 | Elastic force testing device |
CN103063417B (en) * | 2012-09-25 | 2016-12-21 | 华北水利水电大学 | Spring automatic tester for performance |
CN202939018U (en) * | 2012-11-26 | 2013-05-15 | 九牧厨卫股份有限公司 | Spring life test fixture and spring life test device |
CN103364114B (en) * | 2013-06-27 | 2015-03-04 | 浙江工业大学 | Method for integrally measuring ball ejection force and axial gap of pen point of ball-point pen |
AU2014101110A4 (en) * | 2014-09-10 | 2014-10-16 | Innuovo International Trade Co.,Ltd. Hengdian Group | Spring Tester |
CN204405278U (en) * | 2014-12-23 | 2015-06-17 | 潍柴动力股份有限公司 | A kind of spring rate measurement mechanism |
CN105136576A (en) * | 2015-09-15 | 2015-12-09 | 芜湖赛宝信息产业技术研究院有限公司 | Spring load test system |
CN205826278U (en) * | 2016-06-07 | 2016-12-21 | 浙江工业大学 | The measurement apparatus of device of spring stiffness coefficient |
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