CN103528946A - Fabric friction coefficient measurement instrument - Google Patents
Fabric friction coefficient measurement instrument Download PDFInfo
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- CN103528946A CN103528946A CN201310524679.XA CN201310524679A CN103528946A CN 103528946 A CN103528946 A CN 103528946A CN 201310524679 A CN201310524679 A CN 201310524679A CN 103528946 A CN103528946 A CN 103528946A
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Abstract
The invention relates to a fabric friction coefficient measurement instrument which comprises a measuring part and a signal collecting and processing part. The measuring part comprises a box body, a lead screw, a connecting plate, a sliding block, a sensor, a connecting rod, a straight line bearing, a stepping motor and a controlling and signal collecting module. The measuring part is characterized in that the stepping motor drives the lead screw to rotate, the sliding block can move freely along with moving of the lead screw, the sliding block drives the connecting plate and the sensor to move, the straight line bearing and the connecting rod which can freely move up and down in the straight line bearing are fixed at a force sensing end of the sensor, a measuring head is fixed at the lower end of the connecting rod, and weights of different weights can be placed at the upper end of the measuring head. The fabric friction coefficient measurement instrument can achieve measuring of surface friction coefficients of any rough surface fabric, and the fabric friction coefficient measurement instrument has the advantages that measuring is easy, accuracy is high, and intelligent correcting is achieved on measured data under different temperatures and moistures.
Description
Technical field
The present invention relates to a kind of fabric friction coefficient measuring instrument, comprise measure portion and signals collecting and processing section.Wherein measure portion consists of casing, screw mandrel, web joint, slide block, sensor, connecting link, linear bearing, stepper motor and control and signal acquisition module.Signals collecting and processing section comprise control and signal acquisition module and computer.
Background technology
The friction factor of fabric is an important performance parameter of fabric, pattern and the contact performance of fabric face have been reacted, eighties of last century, people have just designed the friction factor that instrument is measured fabric, the fabric river end style instrument of Japan can be measured the friction factor of fabric face, the indexs such as the hard and soft property of fabric and fabric thickness, this measuring instrument is placed on fabric face with a metal probe, the top of probe can be coated different materials, metal probe can move at fabric face under the drive of kinematic train, thereby measure the friction factor of fabric face, but this instrument can only be measured the more smooth woven fabric in surface, measurement for knitted fabric or other shaggy fabric easily damages instrument, and the maintenance cost of instrument is very high.The patent of domestic fabric friction coefficient measuring instrument is considerably less, only have 1992 patent 91221793.6 proposition inclined plate type fabric face friction coefficient instrument, this instrument adopts the friction factor of the almost Purely mechanical structure measurement fabric of the formations such as hang plate, Dynamic IR optical detection device, timer and lift arm.Develop rapidly along with electronic technology and sensor technology, the precision of the friction coefficient measurement of fabric can reach higher requirement to meet fabric and produce and the demand of scientific research, in the scope of inventor retrieval, there are no by linear bearing and tension pick-up in conjunction with the invention of measuring fabric friction coefficient.
Summary of the invention
The defect existing for prior art, the technical matters that quasi-solution of the present invention is determined is a kind of fabric friction coefficient measuring instrument of development and Design, the measuring head of this instrument in the vertical direction can free movement, and normal pressure in the horizontal direction can pass to pressure transducer by linear bearing.
Another technical matters that will solve of the present invention is the measurement of environment temperature and humidity and the correction of friction factor.
Another technical matters that will solve of the present invention is the adjustable of the translational speed of measuring head and displacement size.
For solving the problems of the technologies described above, measure portion of the present invention comprises casing, screw mandrel, web joint, slide block, sensor, connecting link, linear bearing, stepper motor and control and signal acquisition module.Screw mandrel is placed on by two rolling bearings the centre position, two sides that casing is relative, on the screw mandrel one end in casing outside, fix a gear, gear is connected with the gear of motor one end by belt, screw mandrel middle position in casing is placed a slide block, in the middle of slide block, fix a web joint, the lower end of web joint is connected with the stiff end of sensor, the other end of sensor connects a linear bearing, in the middle of linear bearing, place a connecting link, the lower end of this connecting link is connected on measuring head, the counterweight of through hole can be placed in the top of measuring head, the below of measuring head is fabric to be tested.
Control and signal processing module are controlled by microprocessor, temperature sensor can gather the temperature of measurement environment, the output signal of humidity sensor can be directly gathered by the A/D change-over circuit of microprocessor band, the interface circuit of microprocessor is by the rotating speed of the mode control step motor of pulse square wave, and microprocessor is connected with computer by serial port.
As another kind of improvement of the present invention, measuring head has two kinds, and a kind of is to measure for metal material and fabric friction coefficient, and another kind is the measuring friction coefficient for the flexible materials such as fabric and fabric to be measured.Metal material measuring head is a threaded metal disk in centre, and connecting link is directly connected with disk; Flexible material measuring head is comprised of two Teflon materials, measuring head upper slice have four circular holes, lower has four threaded holes, neutral threaded hole fixed connecting rod, fixing textile material or other flexible materials of a slice for rubbing with fabric to be measured in the centre of two teflon materials, and three threaded holes of side are for fixing flexible material.
Compared with prior art, this fabric friction coefficient measuring instrument is carried out signals collecting and is carried out communication by serial ports by microprocessor, connecting link in linear bearing can be in vertical direction can free movement, friction force can be directly passed to the precision of sensor improve to measure, measuring head can measuring metallic materials or other flexible materials and fabric to be measured between friction factor.This fabric friction coefficient measuring instrument can be realized the skin-friction coefficient of any uneven surface fabric and measure, and have measure simple, precision is high and different humiture under the advantage such as measurement data intelligence correction.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the overall appearance structural representation of a kind of embodiment of a kind of fabric friction coefficient measuring instrument of the present invention
Fig. 2 is the fundamental diagram of a kind of embodiment of a kind of fabric friction coefficient measuring instrument of the present invention
Fig. 3 is the structural representation of a kind of fabric friction coefficient measuring instrument a kind of embodiment metal measuring head of the present invention and flexible material measuring head
Fig. 4 is the structural representation of a kind of embodiment flexible material of a kind of fabric friction coefficient measuring instrument of the present invention measuring head
Fig. 5 is the structural representation of a kind of embodiment counterweight of a kind of fabric friction coefficient measuring instrument of the present invention
Fig. 6 is the control program process flow diagram of a kind of embodiment of a kind of fabric friction coefficient measuring instrument of the present invention
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof in detail the present invention is described in detail, but the present invention is not subject to the restriction of embodiment:
A kind of fabric friction coefficient measuring instrument of the present invention (referring to Fig. 1-5), this fabric friction coefficient measuring instrument comprises measure portion and signals collecting and processing section.The structural representation shown in Fig. 1 of take below describes as specific embodiment.
The measure portion of this fabric friction coefficient measuring instrument consists of casing 1, screw mandrel 2, web joint 3, slide block 4, sensor 8, connecting link 7, linear bearing 16, stepper motor 9 and control and signal acquisition module 12.It is characterized in that stepper motor 9 drives screw mandrel 2 to rotate, described slide block 4 can move freely along with the motion of screw mandrel 2, described slide block 2 has driven web joint 3 and sensor 8 to move, the upper end of described sensor 8 is connected on web joint 3 by screw 5, in the power induction end of described sensor 8, linear bearing 16 and connecting link 7 that can easy on and off moves in linear bearing have been fixed, in the lower end of described connecting link 7, fixed a measuring head 11, the counterweight 10 of Different Weight can be placed in described measuring head 11 upper ends, described measuring head is comprised of metal material measuring head 11 and flexible material measuring head 24, described flexible material measuring head 24 is comprised of two Teflon materials 25 and 26, measuring head upper slice have four circular holes, lower has four threaded holes 27, 28, 29 and 30, neutral threaded hole 30 fixed connecting rods, fixing textile material or other flexible materials of a slice for rubbing with fabric to be measured in the centre of two teflon materials 25 and 26, and three threaded holes of side are for fixing flexible material.Described signals collecting and processing section comprise to be controlled and signal acquisition module 12, computer 13 and display 14 compositions, it is characterized in that digital temperature sensor 21 not need temperature signal regulation module and directly by single-chip microcomputer reading temperature data, humidity sensor 22 can pass through the A/D conversion module reading out data of microprocessor 17, and stepper motor 9 is controlled movement velocity and the displacement of measuring head 11 by recording step number.
The stepper motor 9 that the present embodiment is used adopts stepper motor to drive 19 to control, and has very high resolving accuracy, can accurately control translational speed and the displacement of slide block.
A kind of fabric friction coefficient measuring instrument of the present invention has very high automaticity.It comprises digital temperature sensor 21, humidity sensor 22 and pressure acquisition module 23 etc., and it can gather the temperature and humidity of environment automatically, in real time the variation of the power value of monitor force sensor.Temperature signal can send to computer 13 by serial communication module 18, and controls parameter and also can pass through serial communication module 18 transmission microprocessors 17 from computer 13.According to the program flow diagram shown in Fig. 5 and above-mentioned explanation, computer programmer is not difficult to write out concrete program.
A kind of fabric friction coefficient measuring instrument of the present invention is not addressed part and is applicable to prior art.
Claims (6)
1. a fabric friction coefficient measuring instrument, this fabric friction coefficient measuring instrument comprises measure portion and signals collecting and processing section, and measure portion consists of casing, screw mandrel, web joint, slide block, sensor, connecting link, linear bearing, stepper motor and control and signal acquisition module.It is characterized in that stepper motor drives screw mandrel to rotate, described slide block can move freely along with the motion of screw mandrel, described slide block has driven web joint and sensor to move, in the power induction end of described sensor, linear bearing and connecting link that can easy on and off moves in linear bearing have been fixed, in the lower end of described connecting link, fixed a measuring head, the counterweight of Different Weight can be placed in described measuring head upper end; Described signals collecting and processing section comprise control and signal acquisition module and computer, it is characterized in that digital temperature sensor not need temperature signal regulation module and directly by single-chip microcomputer reading temperature data, humidity sensor can pass through the A/D conversion module reading out data of microprocessor, and stepper motor is controlled movement velocity and the displacement of measuring head by recording step number.
2. measure portion according to claim 1, is characterized in that described connecting link can drive measuring head to move horizontally at tested fabric face, can the free movement by linear bearing at above-below direction.
3. according to claim 1 and measure portion claimed in claim 2, it is characterized in that the friction factor of fabric different directions can be measured by rotation fabric.
4. according to claim 1 and measure portion claimed in claim 2, it is characterized in that measurement result can proofread and correct by the humiture value of digital temperature sensor and humidity sensor measurement.
5. control according to claim 1 and signal acquisition module 12, is characterized in that the signal of digital temperature sensor 21 and humidity sensor 22 directly reads by micro-processing 17.
6. according to claim 1 and control claimed in claim 5 and signal acquisition module 12, it is characterized in that displacement and speed that measuring head 11 moves controls by step pitch and the frequency of stepper motor 9.
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| CN201310524679.XA CN103528946A (en) | 2013-10-28 | 2013-10-28 | Fabric friction coefficient measurement instrument |
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| CN201310524679.XA CN103528946A (en) | 2013-10-28 | 2013-10-28 | Fabric friction coefficient measurement instrument |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237118A (en) * | 2014-10-11 | 2014-12-24 | 泰山体育产业集团有限公司 | Novel micro-control dynamic friction coefficient tester |
| CN105043912A (en) * | 2015-08-10 | 2015-11-11 | 上海工程技术大学 | Device for testing fabric wear resistance |
| CN105043911A (en) * | 2015-08-10 | 2015-11-11 | 上海工程技术大学 | Method of testing wear resistance of cloth |
| CN105115843A (en) * | 2015-09-18 | 2015-12-02 | 四川出入境检验检疫局检验检疫技术中心 | Simulation test device for surface friction resistance of braided fabric |
| CN105759016A (en) * | 2014-12-18 | 2016-07-13 | 辽东学院 | Apparatus for testing limit shrinkage amount of fabric |
| CN107144481A (en) * | 2017-07-05 | 2017-09-08 | 浙江工业职业技术学院 | A kind of anti-hook system safety testing device of fabric |
| RU181366U1 (en) * | 2017-11-29 | 2018-07-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) | DEVICE FOR DETERMINING THE Friction Coefficient of Woven Samples |
| CN109765177A (en) * | 2019-03-14 | 2019-05-17 | 华中农业大学 | A kind of paddy field soil sticks force measuring instrument |
| WO2021047242A1 (en) * | 2020-06-28 | 2021-03-18 | 南通大学 | Corrector for deviation-free stereotactic device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237118A (en) * | 2014-10-11 | 2014-12-24 | 泰山体育产业集团有限公司 | Novel micro-control dynamic friction coefficient tester |
| CN105759016A (en) * | 2014-12-18 | 2016-07-13 | 辽东学院 | Apparatus for testing limit shrinkage amount of fabric |
| CN105043912A (en) * | 2015-08-10 | 2015-11-11 | 上海工程技术大学 | Device for testing fabric wear resistance |
| CN105043911A (en) * | 2015-08-10 | 2015-11-11 | 上海工程技术大学 | Method of testing wear resistance of cloth |
| CN105043912B (en) * | 2015-08-10 | 2017-08-25 | 上海工程技术大学 | A kind of device for being used to test fabric anti-wear performance |
| CN105043911B (en) * | 2015-08-10 | 2017-11-17 | 上海工程技术大学 | A kind of method for testing fabric anti-wear performance |
| CN105115843A (en) * | 2015-09-18 | 2015-12-02 | 四川出入境检验检疫局检验检疫技术中心 | Simulation test device for surface friction resistance of braided fabric |
| CN107144481A (en) * | 2017-07-05 | 2017-09-08 | 浙江工业职业技术学院 | A kind of anti-hook system safety testing device of fabric |
| RU181366U1 (en) * | 2017-11-29 | 2018-07-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный университет имени М.В. Ломоносова" (МГУ) | DEVICE FOR DETERMINING THE Friction Coefficient of Woven Samples |
| CN109765177A (en) * | 2019-03-14 | 2019-05-17 | 华中农业大学 | A kind of paddy field soil sticks force measuring instrument |
| WO2021047242A1 (en) * | 2020-06-28 | 2021-03-18 | 南通大学 | Corrector for deviation-free stereotactic device |
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Application publication date: 20140122 |