CN110954416A - Spring test device and test method thereof - Google Patents
Spring test device and test method thereof Download PDFInfo
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- CN110954416A CN110954416A CN201911299484.3A CN201911299484A CN110954416A CN 110954416 A CN110954416 A CN 110954416A CN 201911299484 A CN201911299484 A CN 201911299484A CN 110954416 A CN110954416 A CN 110954416A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0288—Springs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a spring test device and a test method thereof, the spring test device comprises a machine body (14), an electric control box (19), a driving test claw (12), a fixed test claw (13) and a fixed chuck component (18), a control system and a driving device are arranged in the electric control box, the driving device is connected to the driving test claw in a transmission way, the fixed chuck component is arranged on the other side above the machine body, the fixed chuck component is arranged on a guide rail and can axially move along the guide rail, and the spring test device is characterized in that: a side face of the electric control box is provided with a power switch, a rotating speed adjusting module, a preset switch, a forward and reverse rotating switch, a preset counter, a forward counter, a reverse counter, a test frequency counter, a test button, an emergency switch and a preset button, and the electric elements are electrically connected with the control system. The spring individualized test device has the advantages that the spring individualized test can be carried out according to the requirements of customers, the structure is simple, the same test can be completed by centering and fixing or eccentrically fixing one device, the operation is simple, and the cost is saved.
Description
Technical Field
The invention relates to the technical field of spring test devices/methods, in particular to a spring test device and a test method thereof, which are mainly used for testing the performance and the service life of an automobile skylight spring.
Background
The existing spring test device can not meet more individualized test requirements due to different spring structures. The existing automobile skylight spring test device has the problems that the individuation test cannot be realized, the structure is complex, and the problem that one device is fixed in a centering mode or the other device is fixed in an eccentric mode and the same test table cannot be solved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a spring test device and a test method thereof, the spring test device and the test method thereof can perform personalized tests on springs according to customer requirements, have simple structures, can complete the same test by centering and fixing or eccentrically fixing one device, and have simple operation and cost saving.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a spring test device, it includes organism (14), electrical control box (19), initiative test claw (12), fixed test claw (13), fixing chuck subassembly (18), electrical control box sets up in organism top one side, be provided with control system in the electrical control box, drive arrangement transmission is connected in initiative test claw, the opposite side of organism top is provided with fixing chuck subassembly, fixing chuck subassembly sets up on the guide rail, and can carry out axial displacement along the guide rail, the guide rail is fixed in on the organism, fixing test claw is fixed in on the fixing chuck subassembly, the both ends of spring are connected respectively in initiative test claw during experiment, fixing test claw is last, its characterized in that: a side face of the electric control box is provided with a power switch, a rotating speed adjusting module, a preset switch, a forward and reverse rotating switch, a preset counter, a forward counter, a reverse counter, a test frequency counter, a test button, an emergency switch and a preset button, and the electric elements are electrically connected with the control system.
Further, the driving device can drive the active testing claw to perform rotary motion and axial movement, and the driving device comprises one or more motors and a transmission assembly.
Furthermore, the fixed chuck component is connected with an adjusting wheel, and the adjusting wheel drives the fixed chuck component to axially move on the guide rail through a transmission device; the machine body is provided with an electric control system maintenance access door.
Further, the fixed chuck component comprises a four-jaw circular chuck, the fixed test jaw can be fixed in a centering manner relative to the four-jaw circular chuck, and can also be fixed in an eccentric manner relative to the four-jaw circular chuck (the axis/axis of the spring is not parallel to or intersected with the axis of the active test jaw 12), and a corresponding fixed test jaw 13 fixing manner can be adopted according to the test requirements (such as axial stretching, rotational torsion and eccentric rotational torsion) of the spring during a specific test.
A test method of a spring test device is characterized by comprising the following steps:
(1) selecting a corresponding fixing mode of the fixed test claw 13 according to the performance (such as fatigue strength, service life and the like) test requirements of the spring, wherein the fixed test claw 13 is fixed in a centering way or an eccentric way;
(2) two ends of the spring are respectively connected to the active test claw 12 and the fixed test claw 13;
(3) the spring is pre-tightened for 3 circles and then rotated for 11 circles forwards;
(4) rotating for 11 circles, then retracting for 11 circles, and then performing cyclic testing at the frequency of 11 circles;
(5) the process is automatically stopped until the cycle times reach the set times, and then whether the appearance of the spring has deformation or fracture is determined.
Further, wherein the test frequency: 0-20 times/min, the test times are 0-999999, and the number of test samples is 1pcs each time.
The spring test device and the test method thereof can perform personalized tests on the spring according to customer requirements, are simple in structure, can complete the same test by centering and fixing or eccentrically fixing one device, are simple to operate and save cost.
Drawings
FIG. 1 is a schematic structural diagram of a spring tester according to the present invention.
In the figure: the device comprises a power switch 1, a rotating speed adjusting module 2, a preset switch 3, a forward and reverse rotating switch 4, a preset counter 5, a forward counter 6, a reverse counter 7, a test frequency counter 8, a test button 9, an emergency switch 10, a preset button 11, a driving test claw 12, a fixed test claw 13, a machine body 14, an electric control system maintenance door 15, an adjusting wheel 16, a guide rail 17, a fixed chuck assembly 18 and an electric control box 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a spring test device, which includes a machine body 14, an electrical control box 19, an active test claw 12, a fixed test claw 13, a fixed chuck assembly 18, the electrical control box 19 is disposed on one side above the machine body 14, a controller/control system is disposed in the electrical control box 19, a driving device, the driving device is in transmission connection with the active test claw 12, a fixed chuck assembly 18 is disposed on the other side above the machine body 14, the fixed chuck assembly 18 is disposed on a guide rail 17 and can axially move along the guide rail 17, the guide rail 17 is fixed on the machine body 14, the fixed test claw 13 is fixed on the fixed chuck assembly 18, two ends of a spring during testing are respectively connected to the active test claw 12 and the fixed test claw 13, and the spring test device is characterized in that: a power switch 1, a rotating speed adjusting module 2, a preset switch 3, a forward and reverse rotation switch 4, a preset counter 5, a forward counter 6, a reverse counter 7, a test frequency counter 8, a test button 9, an emergency switch 10 and a preset button 11 are arranged on one side face of the electric control box 19, and the electric elements are electrically connected with the controller/control system and used for executing corresponding actions, such as forward and reverse rotation, counting and the like.
The drive means, which may comprise one or more motors, transmission assemblies, etc., is capable of driving the active test jaw 12 in rotational and axial movement. The fixed chuck component 18 is connected with an adjusting wheel 16, and the adjusting wheel 16 drives the fixed chuck component 18 to axially move on the guide rail 17 through a transmission component; an electric control system maintenance access door 15 is arranged on the machine body 14, and maintenance is convenient.
The fixed chuck component 18 comprises a four-jaw circular chuck, the fixed test jaw 13 can be fixed relative to the four-jaw circular chuck in a centering mode, and can also be fixed relative to the four-jaw circular chuck in an eccentric mode (the axis/axis of the spring is not parallel to or intersected with the axis of the active test jaw 12), and a corresponding fixed test jaw 13 fixing mode can be adopted according to the test requirements (such as axial stretching, rotary torsion and eccentric rotary torsion) of the spring during a specific test.
A spring test device and a test method thereof comprise the following steps:
(1) selecting a corresponding fixing mode of the fixed test claw 13 according to the performance (such as fatigue strength, service life and the like) test requirements of the spring, wherein the fixed test claw 13 is fixed in a centering way or an eccentric way;
(2) two ends of the spring are respectively connected to the active test claw 12 and the fixed test claw 13;
(3) the spring is pre-tightened for 3 circles and then rotated for 11 circles forwards;
(4) rotating for 11 circles, then retracting for 11 circles, and then performing cyclic testing at the frequency of 11 circles;
(5) the process is automatically stopped until the cycle times reach the set times, and then whether the appearance of the spring has deformation or fracture is determined.
And on the premise that the appearance of the spring is not changed greatly, testing whether the function of the spring fails or not, whether the performance of each aspect is within the range of the design requirement or not, and if the parameters of each aspect are within the range of the design requirement, determining that the product is qualified after the test.
The spring test device parameters are as follows: test frequency: 0-20 times/min, the test times are 0-999999, and the number of test samples is at most 1pcs each time.
The spring test device and the test method thereof can perform personalized tests on the spring according to customer requirements, are simple in structure, can complete the same test by centering and fixing or eccentrically fixing one device, are simple to operate and save cost.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a spring test device, it includes organism (14), electrical control box (19), initiative test claw (12), fixed test claw (13), fixing chuck subassembly (18), electrical control box sets up in organism top one side, be provided with control system in the electrical control box, drive arrangement transmission is connected in initiative test claw, the opposite side of organism top is provided with fixing chuck subassembly, fixing chuck subassembly sets up on the guide rail, and can carry out axial displacement along the guide rail, the guide rail is fixed in on the organism, fixing test claw is fixed in on the fixing chuck subassembly, the both ends of spring are connected respectively in initiative test claw during experiment, fixing test claw is last, its characterized in that: a side face of the electric control box is provided with a power switch, a rotating speed adjusting module, a preset switch, a forward and reverse rotating switch, a preset counter, a forward counter, a reverse counter, a test frequency counter, a test button, an emergency switch and a preset button, and the electric elements are electrically connected with the control system.
2. The spring tester of claim 1, wherein the drive means is capable of driving the active test jaw in rotational and axial movement, the drive means comprising one or more motors and/or gearing assemblies.
3. The spring testing device according to claim 2, wherein the fixed chuck assembly is connected with an adjusting wheel, and the adjusting wheel drives the fixed chuck assembly to axially move on the guide rail through a transmission device; the machine body is provided with an electric control system maintenance access door.
4. A spring tester as claimed in claim 3 wherein the fixed chuck assembly comprises a four-jaw circular chuck, the fixed test jaw being capable of being fixed both centrally with respect to the four-jaw circular chuck and eccentrically with respect to the four-jaw circular chuck.
5. A test method using a spring test apparatus according to any one of claims 1 to 4, comprising the steps of:
(1) selecting a corresponding fixing mode of the fixed test claw according to the performance test requirement of the spring, wherein the fixed test claw is fixed in a centering way or an eccentric way;
(2) connecting two ends of the spring to the active test claw and the fixed test claw respectively;
(3) pre-tightening the spring for N circles, wherein N is more than or equal to 1 and less than or equal to 5, and then rotating the spring forwards for N circles, wherein N is more than or equal to 9 and less than or equal to 13;
(4) returning to N circles after rotating N circles, and then performing cyclic test at the frequency of N circles;
(5) the process is automatically stopped until the cycle times reach the set times, and then whether the appearance of the spring has deformation or fracture is determined.
6. The test method of claim 5, wherein the test frequency: 0-20 times/min, the test times are 0-999999, and the number of test samples is 1pcs each time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911299484.3A CN110954416A (en) | 2019-12-17 | 2019-12-17 | Spring test device and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911299484.3A CN110954416A (en) | 2019-12-17 | 2019-12-17 | Spring test device and test method thereof |
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| CN110954416A true CN110954416A (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911299484.3A Pending CN110954416A (en) | 2019-12-17 | 2019-12-17 | Spring test device and test method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829796A (en) * | 2020-07-27 | 2020-10-27 | 无锡职业技术学院 | Adjusting mechanism of automobile suspension spring testing device |
| CN114279810A (en) * | 2020-09-27 | 2022-04-05 | 中车唐山机车车辆有限公司 | Testing device and measuring method for pull-out force of connector plug |
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| CN108801810A (en) * | 2018-07-19 | 2018-11-13 | 南京航空航天大学 | A kind of flexible wire reverse torsion machine |
| CN109443950A (en) * | 2018-10-29 | 2019-03-08 | 常州泰瑞弹簧有限公司 | Safety belt wind spring test fixture and its test method |
| CN208872511U (en) * | 2018-11-01 | 2019-05-17 | 江西金酷科技有限公司 | A kind of spring life testing machine |
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| CN104266835A (en) * | 2014-10-20 | 2015-01-07 | 合肥工业大学 | Torsion fatigue test device and method of arc-shaped springs |
| CN104359664A (en) * | 2014-11-14 | 2015-02-18 | 沈阳仪表科学研究院有限公司 | Rotating and swinging test device used for clamping sleeve pipeline assembly |
| CN205506585U (en) * | 2016-03-30 | 2016-08-24 | 天津沛衡五金弹簧有限公司 | Torsional spring fatigue test device |
| CN107436263A (en) * | 2017-08-18 | 2017-12-05 | 中机生产力促进中心 | A kind of spring steel wire torsional fatigue test method and its device |
| CN207636284U (en) * | 2017-11-22 | 2018-07-20 | 南京中创模塑配件有限公司 | Spring fatigue tester and its spring perch |
| CN108444661A (en) * | 2018-03-16 | 2018-08-24 | 西安理工大学 | A kind of canted coil spring fatigue test board |
| CN108801810A (en) * | 2018-07-19 | 2018-11-13 | 南京航空航天大学 | A kind of flexible wire reverse torsion machine |
| CN109443950A (en) * | 2018-10-29 | 2019-03-08 | 常州泰瑞弹簧有限公司 | Safety belt wind spring test fixture and its test method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829796A (en) * | 2020-07-27 | 2020-10-27 | 无锡职业技术学院 | Adjusting mechanism of automobile suspension spring testing device |
| CN114279810A (en) * | 2020-09-27 | 2022-04-05 | 中车唐山机车车辆有限公司 | Testing device and measuring method for pull-out force of connector plug |
| CN114279810B (en) * | 2020-09-27 | 2024-01-12 | 中车唐山机车车辆有限公司 | Connector plug pulling-out force testing device and pulling-out force measuring method |
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Application publication date: 20200403 |