CN103018029A - Movable type fastener clamping force testing platform and testing method - Google Patents
Movable type fastener clamping force testing platform and testing method Download PDFInfo
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- CN103018029A CN103018029A CN2012105335572A CN201210533557A CN103018029A CN 103018029 A CN103018029 A CN 103018029A CN 2012105335572 A CN2012105335572 A CN 2012105335572A CN 201210533557 A CN201210533557 A CN 201210533557A CN 103018029 A CN103018029 A CN 103018029A
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- digital display
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- force
- display instrument
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Abstract
The invention discloses a movable type fastener clamping force testing platform and a testing method. The testing platform comprises a movable inspection testing platform and a fastener installation fixture fixed at the inspection testing platform. A baseboard of the movable inspection testing platform is provided with a loading device, a force sensor and a loading bar. A displacement sensor is arranged at the matching position of the loading bar and the fastener withhold face. A withhold position digital display device is connected with the displacement sensor. A loading force digital display device is connected with the force sensor. The withhold position digital display device and the loading force digital display device are connected with a data collecting device and the data collecting device is connected with a computer through data lines. The testing platform is compact in structure, reliable in operation, convenient in usage and multiple in purpose and can conveniently match with various mobile platforms to perform clamping test on fixture under various conditions and on the scene outdoors. The testing platform can achieve digital display output and is convenient to test or inspect fasteners by matching with rechargeable display platforms and computers.
Description
Technical field
The present invention relates to a kind of portable toe load of fastening test platform and method of testing.
Background technology
At present usually deliver at the scene professional testing laboratory after the sampling for the buckle press test of fastener and install special-purpose sectional fixture additional with universal testing machine and test, the whole test period is wasted in pumps sample and testing laboratory is selected.For needs at the scene in time the check or the test fastener can not carry out in real time, efficiently the test.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of portable toe load of fastening test platform and method of testing.
The technical solution adopted for the present invention to solve the technical problems is: a kind of portable toe load of fastening test platform comprises removable verification test platform and fastener sectional fixture fixed thereon; Base plate at removable verification test platform is provided with charger, loading bar passes removable verification test platform by slide rail, lower end at loading bar is connected with force cell, the upper end of loading bar is withheld face with fastener and is cooperated, withhold the face cooperation place at loading bar and fastener and be fixed with displacement transducer, withholding the position digital display instrument is connected with displacement transducer, the loading force digital display instrument is connected with force cell, withhold the position digital display instrument and the loading force digital display instrument is connected to data collecting instrument simultaneously, data collecting instrument is connected with computing machine by data line.
The present invention also provides a kind of portable toe load of fastening method of testing, comprises the steps:
Step 1, with the fastener to be tested fastener sectional fixture of packing into;
Step 2, before loading to the displacement transducer setting of making zero, and guarantee that simultaneously loading force F is 0;
Step 3, charger apply loading force F upwards, act on fastener by loading bar 4, and force cell is measured loading force F, and send F to the loading force digital display instrument and show, send F to computing machine by data collecting instrument simultaneously;
Step 4, displacement transducer are measured the displacement h that applies the fastener assigned address behind the loading force F simultaneously
1, and with h
1Send to and withhold the position digital display instrument and show, simultaneously by data collecting instrument with h
1Send computing machine to;
Step 5, computer drawing go out the real-time buckle press of fastener and displacement curve and show;
System's unloading zero clearing was used in order to test next time after step 6, test were finished.
Compared with prior art, good effect of the present invention is: compact conformation, reliable operation, easy to use, purposes is various, the various mobile platforms of can conveniently arranging in pairs or groups, on-the-spot contacting piece carries out the buckle press test in the open air under various environment, by collocation rechargeable type digital display platform and computer, can realize digital display output, be convenient to contacting piece and test or check usefulness.Be in particular in:
1) whole platform weight is no more than 30kg, can match with various mobile devices easily.
2) compact conformation, easy to use, the digital display reading.
3) can realize trial curve output by collocation computer special software.
Description of drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of apparatus of the present invention.
Embodiment
A kind of portable toe load of fastening test platform, as shown in Figure 1, comprise: removable verification test platform 1, charger 2, force cell 3, loading bar 4, fastener sectional fixture 5, displacement transducer 6, withhold position digital display instrument 7, loading force digital display instrument 8, data collecting instrument 9, computing machine 10, wherein:
Fastener sectional fixture 5 is fixed on the removable verification test platform 1, and fastener is installed on the sectional fixture 5.Charger 2 is positioned on the base plate of removable verification test platform 1, and force cell 3 is positioned between charger 2 and the loading bar 4, with record power value size and output.Loading bar 4 passes removable verification test platform 1 by slide rail, and the lower end is connected with force cell 3, and the upper end can be simulated and the rail level gradient is installed is withheld face with fastener and cooperate, and better simulates the actual working state of fastener.Displacement transducer 6 is fixed in to be withheld the face cooperation place at loading bar 4 and fastener and (can be fixed on the loading bar 4, also can be installed in the fastener assigned address according to testing requirements), withholding position digital display instrument 7 is connected with displacement transducer 6, be responsible for data output, loading force digital display instrument 8 is connected with force cell 3, is responsible for data output.Withhold position digital display instrument 7 and be connected to simultaneously data collecting instrument 9 with loading force digital display instrument 8.Data collecting instrument is connected with computing machine 10 by data line.
The described position digital display instrument 7, loading force digital display instrument 8 of withholding is the rechargeable type digital display instrument.
The present invention also provides a kind of method of testing of portable toe load of fastening, comprises the steps:
Step 1, with the fastener to be tested fastener sectional fixture 5 of packing into;
Step 2, before loading to displacement transducer 6 setting of making zero, and guarantee that simultaneously loading force F is 0;
Step 3, charger 2 apply loading force F(upwards as shown in Figure 1), act on fastener by loading bar 4, force cell 3 is measured the value of loading force F, and sends the value of loading force F to loading force digital display instrument 8 and show, sends F to computing machine 10 by data collecting instrument 9 simultaneously;
Step 4, displacement transducer 6 are measured the displacement h that applies the fastener assigned address behind the loading force F simultaneously
1, and with h
1Send to and withhold position digital display instrument 7 and show, simultaneously by data collecting instrument 9 with h
1Send computing machine 10 to;
Step 5, computing machine 10 are drawn out the real-time buckle press of fastener and displacement curve and are shown;
System's unloading zero clearing was used in order to test next time after step 6, test were finished.
Principle of work of the present invention is: during work, at first install fastener by test request, set initial value, determine to test after errorless, utilize charger 2 contacting pieces to load, force cell 3 is measured concrete F value and is shown at loading force digital display instrument 8 at this moment, and displacement transducer 6 is measured the displacement of assigned address this moment and withheld 7 demonstrations of position digital display instrument simultaneously.The real time data of meanwhile withholding position digital display instrument 7 and loading force digital display instrument 8 enters data collecting instrument 9, and data collecting instrument 9 is inputted computing machine 10 synchronously with the data that gather, and carries out real-time meter record and the preservation of data, and by the computer export trial curve.
Claims (4)
1. a portable toe load of fastening test platform is characterized in that: comprise removable verification test platform and fastener sectional fixture fixed thereon; Base plate at removable verification test platform is provided with charger, loading bar passes removable verification test platform by slide rail, lower end at loading bar is connected with force cell, the upper end of loading bar is withheld face with fastener and is cooperated, withhold the face cooperation place at loading bar and fastener and be fixed with displacement transducer, withholding the position digital display instrument is connected with displacement transducer, the loading force digital display instrument is connected with force cell, withhold the position digital display instrument and the loading force digital display instrument is connected to data collecting instrument simultaneously, data collecting instrument is connected with computing machine by data line.
2. portable toe load of fastening test platform according to claim 1 is characterized in that: describedly withhold the position digital display instrument, the loading force digital display instrument is the rechargeable type digital display instrument.
3. portable toe load of fastening test platform according to claim 1 is characterized in that: the upper end of described loading bar has the gradient that rail level is installed in simulation.
4. a portable toe load of fastening method of testing is characterized in that: comprise the steps:
Step 1, with the fastener to be tested fastener sectional fixture of packing into;
Step 2, before loading to the displacement transducer setting of making zero, and guarantee that simultaneously loading force F is 0;
Step 3, charger apply loading force F upwards, act on fastener by loading bar 4, and force cell is measured loading force F, and send F to the loading force digital display instrument and show, send F to computing machine by data collecting instrument simultaneously;
Step 4, displacement transducer are measured the displacement h that applies the fastener assigned address behind the loading force F simultaneously
1, and with h
1Send to and withhold the position digital display instrument and show, simultaneously by data collecting instrument with h
1Send computing machine to;
Step 5, computer drawing go out the real-time buckle press of fastener and displacement curve and show;
System's unloading zero clearing was used in order to test next time after step 6, test were finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533557.2A CN103018029B (en) | 2012-12-12 | 2012-12-12 | Movable type fastener clamping force testing platform and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533557.2A CN103018029B (en) | 2012-12-12 | 2012-12-12 | Movable type fastener clamping force testing platform and testing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103018029A true CN103018029A (en) | 2013-04-03 |
| CN103018029B CN103018029B (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210533557.2A Active CN103018029B (en) | 2012-12-12 | 2012-12-12 | Movable type fastener clamping force testing platform and testing method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527166A (en) * | 2015-12-29 | 2016-04-27 | 北京交通大学 | A device for testing a stress state of an e-shaped elastic strip of a railroad fastener |
| CN105628361A (en) * | 2015-12-29 | 2016-06-01 | 中国神华能源股份有限公司 | Fastener buckling pressure test device and method |
| CN106092414A (en) * | 2016-07-29 | 2016-11-09 | 安徽金星预应力工程技术有限公司 | A kind of frock being applied to elastic-strip pressure experiment |
| CN106168522A (en) * | 2016-07-29 | 2016-11-30 | 安徽金星预应力工程技术有限公司 | A kind of frock for elastic-strip pressure detection |
| CN108106931A (en) * | 2018-01-17 | 2018-06-01 | 昆明理工大学 | A kind of test fixture for ω structure railway elastic bars |
| CN109520644A (en) * | 2018-11-13 | 2019-03-26 | 西南交通大学 | Elastic-strip pressure detection method and elastic-strip pressure detection device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527166A (en) * | 2015-12-29 | 2016-04-27 | 北京交通大学 | A device for testing a stress state of an e-shaped elastic strip of a railroad fastener |
| CN105628361A (en) * | 2015-12-29 | 2016-06-01 | 中国神华能源股份有限公司 | Fastener buckling pressure test device and method |
| CN106092414A (en) * | 2016-07-29 | 2016-11-09 | 安徽金星预应力工程技术有限公司 | A kind of frock being applied to elastic-strip pressure experiment |
| CN106168522A (en) * | 2016-07-29 | 2016-11-30 | 安徽金星预应力工程技术有限公司 | A kind of frock for elastic-strip pressure detection |
| CN108106931A (en) * | 2018-01-17 | 2018-06-01 | 昆明理工大学 | A kind of test fixture for ω structure railway elastic bars |
| CN108106931B (en) * | 2018-01-17 | 2024-03-22 | 昆明理工大学 | Test fixture for omega-structure railway spring strip |
| CN109520644A (en) * | 2018-11-13 | 2019-03-26 | 西南交通大学 | Elastic-strip pressure detection method and elastic-strip pressure detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103018029B (en) | 2014-11-12 |
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