CN104458088A - Method for measuring resistance of roll shaft - Google Patents
Method for measuring resistance of roll shaft Download PDFInfo
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- CN104458088A CN104458088A CN201410655805.XA CN201410655805A CN104458088A CN 104458088 A CN104458088 A CN 104458088A CN 201410655805 A CN201410655805 A CN 201410655805A CN 104458088 A CN104458088 A CN 104458088A
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- roll shaft
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- resistance
- flexible element
- dynamometer
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Abstract
The invention discloses a method for measuring the resistance of a roll shaft. The method includes the following steps that S10, one end of a long and thin flexible part is fixed on the roll shaft; S20, the other end of the long and thin flexible part is wound on the roll shaft by a plurality of circles; S30, the other end of the long and thin flexible part is fixed on a dynamometer; S40, driving force is applied to the dynamometer; S50, the transient drag reading of the roll shaft changing from a motionless state to a movement state in a flash is read from the dynamometer; S60, the effectiveness of the transient drag reading is verified; S70, whether the resistance of the roll shaft is abnormal or not is judged. According to the method for measuring the resistance of the roll shaft, the measuring process is simplified, the difficulty for quick measuring and timing monitoring of the resistance of the roll shaft is effectively lowered, and production efficiency is improved.
Description
Technical field
The present invention relates to the technical field of roll shaft drag measurement, particularly relate to a kind of method measuring roll shaft resistance.
Background technology
The epoch of automated production at present, no matter be machinery industry, copper-clad plate industry, paper industry, or textile industry, industry-by-industry all relates to production miscellaneous and treatment facility, and these equipment are provided with rotating roll shaft more or less, such as automatic supplyline, it is actually the slide rail that a series of roll shaft is formed side by side.These roll shafts can be subject to the impact of various external force in equipment operation process, and these external force will cause roll shaft to wear and tear to some extent, and the friction force of roll shaft self so will be made to increase, and even cannot rotate, and affect the normal work of equipment.In addition, roll shaft friction force increases also can make power system load increase, and the loss of aggravation kinematic train, greatly reduces the serviceable life of equipment.Based on above-mentioned situation, we need propose a kind of easy roll shaft resistance measurement method.
Summary of the invention
The object of the invention is to: a kind of method measuring roll shaft resistance is provided, realizes the Quick Measurement of roll shaft resistance, so that roll shaft resistance carries out timing monitoring.
For reaching this object, the present invention by the following technical solutions:
Measure a method for roll shaft resistance, comprise the following steps:
S10, roll shaft end are fixed: be fixed on one end of elongated flexible element on a roll shaft;
S20, winding roll shaft: elongated flexible element is wound around the some circles of roll shaft;
S30, dynamometer end are fixed: be fixed on dynamometer by the other end of elongated flexible element;
S40, applying driving force: apply driving force to dynamometer, make elongated flexible element tensioning, then progressively increase the driving force to dynamometer, the reading of dynamometer is increased, observe roll shaft simultaneously and whether produce rotation;
S50, reading result: read roll shaft from the static transient drag reading becoming motion moment from dynamometer.
As the preferred technical scheme of one, after step S50, also comprise step S60:
S60, the result: produce after rotation until roll shaft, balancing resistance reading when reading roll shaft uniform rotation from dynamometer, transient drag reading in balancing resistance reading and step S50 is contrasted, if both differences are less than the permissible error preset, then judge that transient drag reading is effective; If both differences are greater than or equal to permissible error, then judge that transient drag reading is invalid, and repeat step S40, S50, S60.
Particularly, transient drag reading is that roll shaft becomes motion maximum static friction force instantaneously from static, and kinetic force of friction when balancing resistance reading is roll shaft uniform rotation.
Particularly, if the difference of transient drag reading and balancing resistance reading is greater than or equal to permissible error, illustrate in measuring process that misoperation may be there is, cause transient drag error in reading, therefore in such cases, the transient drag reading of roll shaft resistance is needed to remeasure, to guarantee the accuracy of transient drag reading.
As the preferred technical scheme of one, after step S60, also comprise step S70:
S70, analysis result: the transient drag reading read in step S50 and the roll shaft resistance higher limit preset are contrasted, if transient drag reading is less than higher limit, then judge that roll shaft resistance is normal, if transient drag reading is greater than or equal to higher limit, then judge that roll shaft resistance exists abnormal.
Preferably, described higher limit is set according to the reasonable multiple of the concrete roll shaft resistance under normal condition by user.
As the preferred technical scheme of one, between step S20 and step S30, also comprise step S25:
S25, coated roll shaft: surface elongated flexible element being coated on successively some roll shafts.
Particularly, elongated flexible element is coated on successively the surface of some roll shafts, the measurement of the overall roll shaft resistance to some roll shafts can be realized.
As the preferred technical scheme of one, if judged result is normal in step S70, then measure end; If judged result is abnormal in step S70, then repetition step S10, S20, S30, S40, S50, S60 and S70 measure the resistance of each roll shaft, respectively to determine abnormal roll shaft.
Particularly, if the overall resistance of multiple roll shaft is normal, illustrate that the resistance of each roll shaft is all less than higher limit, namely equipment operation is normal, therefore measures end.If the overall resistance of multiple roll shaft is abnormal, then need to determine to there is abnormal concrete roll shaft, so that maintenance or replacing.
As the preferred technical scheme of one, one end of elongated flexible element is fixed on roll shaft surface by bonding agent or sticking cloth, and elongated flexible element is wrapped in the middle part of roll shaft.
As the preferred technical scheme of one, in each measuring process, the direction applying driving force to dynamometer is constant.
As the preferred technical scheme of one, after roll shaft produces and rotates, apply the speed of driving force be 2-30 second/turn, further, the speed applying driving force in measuring process be 2-10 second/turn.
As the preferred technical scheme of one, described elongated flexible element is nylon rope or the rope made of hemp.
As the preferred technical scheme of one, described elongated flexible element is wound around roll shaft 1-10 circle.
As the preferred technical scheme of one, the transverse cutting area of described elongated flexible element is less than 100mm
2.
Beneficial effect of the present invention is: provide a kind of method measuring roll shaft resistance, by the measurement that roll shaft resistance is simple and quick, achieves the timely monitoring of roll shaft ruuning situation.By the measurement to drag size, predict the working order of roll shaft in advance, extremely, guarantee equipment reliably operates for Timeliness coverage and eliminating roll shaft resistance.The method is not high to the skill set requirements of survey crew, can measure quickly and easily, obtain measurement data in time, for pre-emptive maintenace and equipment control provide Data support.
Accompanying drawing explanation
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 is the process flow diagram of the method for the single roll shaft resistance of the measurement described in embodiment;
Fig. 2 is the process flow diagram of the method for the overall roll shaft resistance of the measurement described in embodiment;
Fig. 3 is the structural representation of the single roll shaft resistance of the measurement described in embodiment;
Fig. 4 is the structural representation of the overall roll shaft resistance of the measurement described in embodiment.
In Fig. 3 and Fig. 4:
1, dynamometer; 2, elongated flexible element; 3, the first roll shaft; 4, the second roll shaft; 5, the 3rd roll shaft; 6, the 4th roll shaft; 7, the 5th roll shaft.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one:
As shown in figures 1 and 3, a kind of method measuring single roll shaft resistance, comprises the following steps:
S10, roll shaft end are fixed: use sticking cloth one end of elongated flexible element 2 to be fixed on the middle part of the first roll shaft 3;
S20, winding roll shaft: middle part five circle elongated flexible element 2 being wound around the first roll shaft 3;
S30, dynamometer end are fixed: be fixed on by the other end of elongated flexible element 2 on dynamometer 1;
S40, applying driving force: apply the constant driving force in direction to dynamometer 1, make elongated flexible element 2 tensioning, then progressively increase the driving force to dynamometer 1, the reading of dynamometer 1 is increased, observe the first roll shaft 3 simultaneously and whether produce rotation;
S50, reading result: read the first roll shaft 3 from the static transient drag reading becoming motion moment from dynamometer 1;
S60, the result: produce after rotation until the first roll shaft 3, the speed applying driving force is 2 seconds/turns, balancing resistance reading when simultaneously reading the first roll shaft 3 uniform rotation from dynamometer 1, transient drag reading in balancing resistance reading and step S50 is contrasted, if both differences are less than the permissible error preset, then judge that transient drag reading is effective; If both differences are greater than or equal to permissible error, then judge that transient drag reading is invalid, and repeat step S40, S50, S60;
S70, analysis result: the effective transient drag reading read in step S50 and the roll shaft resistance higher limit preset are contrasted, if reading is less than higher limit, then judge that the first roll shaft 3 resistance is normal, if reading is greater than or equal to higher limit, then judge that the first roll shaft 3 resistance exists abnormal.
Particularly, elongated flexible element 2 is nylon ropes, and the transverse cutting area of elongated flexible element 2 is 50mm
2.
Embodiment two:
As shown in Figure 2 and Figure 4, a kind of method measuring entirety and single roll shaft resistance, comprises the following steps:
S10, roll shaft end are fixed: use bonding agent one end of elongated flexible element 2 to be fixed on the middle part (when measuring single roll shaft resistance, the first roll shaft 3 being replaced with corresponding roll shaft) of the first roll shaft 3;
S20, winding roll shaft: the middle part ten elongated flexible element 2 being wound around the first roll shaft 3 is enclosed (when measuring single roll shaft resistance, the first roll shaft 3 being replaced with corresponding roll shaft);
S25, coated roll shaft: surface elongated flexible element 2 being coated on successively the second roll shaft 4, the 3rd roll shaft 5, the 4th roll shaft 6 and the 5th roll shaft 7.
S30, dynamometer end are fixed: be fixed on by the other end of elongated flexible element 2 on dynamometer 1;
S40, applying driving force: apply direction constant driving to dynamometer 1, make elongated flexible element 2 tensioning, then the driving force to dynamometer 1 is progressively increased, the reading of dynamometer 1 is increased, observe the first roll shaft 3 simultaneously and whether produce rotation (when measuring single roll shaft resistance, the first roll shaft 3 being replaced with corresponding roll shaft);
S50, reading result: treat that the first roll shaft 3 becomes motion moment from static, the transient drag reading of the overall roll shaft resistance of five roll shafts such as the first roll shaft 3, second roll shaft 4, the 3rd roll shaft 5, the 4th roll shaft 6 and the 5th roll shaft 7 is read (when measuring single roll shaft resistance from dynamometer 1, first roll shaft 3 is replaced with corresponding roll shaft, only need read the transient drag reading of corresponding roll shaft resistance simultaneously from dynamometer 1);
S60, the result: produce after rotation until the first roll shaft 3, the speed applying driving force is 30 seconds/turns, read the balancing resistance reading of overall roll shaft resistance from dynamometer 1 simultaneously, transient drag reading in balancing resistance reading and step S50 is contrasted, if both differences are less than the permissible error preset, then judge that transient drag reading is effective; If both differences are greater than or equal to permissible error, then judge that transient drag reading is invalid, and repeat step S40, S50, S60 (when measuring single roll shaft resistance, first roll shaft 3 is replaced with corresponding roll shaft, only need read the balancing resistance reading of corresponding roll shaft resistance simultaneously from dynamometer 1);
S70, analysis result: the effective transient drag reading read in step S50 and the roll shaft resistance higher limit preset are contrasted, if reading is less than higher limit, then judges that roll shaft resistance is normal, measure and terminate; If reading is greater than or equal to higher limit, then judge that roll shaft resistance exists abnormal, repetition step S10, S20, S30, S40, S50, S60 and S70 measure the resistance of the first roll shaft 3, second roll shaft 4, the 3rd roll shaft 5, the 4th roll shaft 6 and the 5th roll shaft 7, to determine abnormal roll shaft respectively simultaneously.
Particularly, elongated flexible element 2 is ropes made of hemp, and the transverse cutting area of elongated flexible element 2 is 90mm2.
Embodiment three:
The difference of the present embodiment and embodiment two is: after the first roll shaft 3 produces and rotates, the speed applying driving force is 5 seconds/and turns.In other embodiment, the speed applying driving force is 10 seconds/turns or 15 seconds/turns.
" first ", " second ", " the 3rd ", " the 4th " herein, " the 5th " are only used to be distinguished in description, not special implication.
It is to be understood that; above-mentioned embodiment is only preferred embodiment of the present invention and institute's application technology principle; in technical scope disclosed in this invention, the change that any those skilled in the art of being familiar with easily expect or replacement, all should be encompassed in protection scope of the present invention.
Claims (10)
1. measure a method for roll shaft resistance, it is characterized in that, comprise the following steps:
S10, roll shaft end are fixed: be fixed on one end of elongated flexible element on a roll shaft;
S20, winding roll shaft: elongated flexible element is wound around the some circles of roll shaft;
S30, dynamometer end are fixed: be fixed on dynamometer by the other end of elongated flexible element;
S40, applying driving force: apply driving force to dynamometer, make elongated flexible element tensioning, then progressively increase the driving force to dynamometer, the reading of dynamometer is increased, observe roll shaft simultaneously and whether produce rotation;
S50, reading result: read roll shaft from the static transient drag reading becoming motion moment from dynamometer.
2. a kind of method measuring roll shaft resistance according to claim 1, is characterized in that, also comprise step S60 after step S50:
S60, the result: produce after rotation until roll shaft, balancing resistance reading when reading roll shaft uniform rotation from dynamometer, transient drag reading in balancing resistance reading and step S50 is contrasted, if both differences are less than the permissible error preset, then judge that transient drag reading is effective; If both differences are greater than or equal to permissible error, then judge that transient drag reading is invalid, and repeat step S40, S50, S60.
3. a kind of method measuring roll shaft resistance according to claim 2, is characterized in that, also comprise step S70 after step S60:
S70, analysis result: the transient drag reading read in step S50 and the roll shaft resistance higher limit preset are contrasted, if transient drag reading is less than higher limit, then judge that roll shaft resistance is normal, if transient drag reading is greater than or equal to higher limit, then judge that roll shaft resistance exists abnormal.
4. a kind of method measuring roll shaft resistance according to claim 3, is characterized in that, also comprise step S25 between step S20 and step S30:
S25, coated roll shaft: surface elongated flexible element being coated on successively some roll shafts.
5. a kind of method measuring roll shaft resistance according to claim 4, is characterized in that, if judged result is normal in step S70, then measure end; If judged result is abnormal in step S70, then repetition step S10, S20, S30, S40, S50, S60 and S70 measure the resistance of each roll shaft, respectively to determine abnormal roll shaft.
6. a kind of method measuring roll shaft resistance according to any one of claim 1 to 5, is characterized in that, one end of elongated flexible element is fixed on roll shaft surface by bonding agent or sticking cloth, and elongated flexible element is wrapped in the middle part of roll shaft.
7. a kind of method measuring roll shaft resistance according to any one of claim 1 to 5, is characterized in that, after roll shaft produces and rotates, apply the speed of driving force be 2-30 second/turn.
8. a kind of method measuring roll shaft resistance according to any one of claim 1 to 5, is characterized in that, described elongated flexible element is nylon rope or the rope made of hemp.
9. a kind of method measuring roll shaft resistance according to any one of claim 1 to 5, is characterized in that, described elongated flexible element is wound around roll shaft 1-10 circle.
10. a kind of method measuring roll shaft resistance according to any one of claim 1 to 5, is characterized in that, the transverse cutting area of described elongated flexible element is less than 100mm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655805.XA CN104458088B (en) | 2014-11-17 | 2014-11-17 | A kind of method of measurement roll shaft resistance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410655805.XA CN104458088B (en) | 2014-11-17 | 2014-11-17 | A kind of method of measurement roll shaft resistance |
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| CN104458088A true CN104458088A (en) | 2015-03-25 |
| CN104458088B CN104458088B (en) | 2017-03-01 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86206184U (en) * | 1986-08-28 | 1987-09-12 | 机械部北京起重运输机械研究所 | Test set-up for running drag coefficient of supporting roll set of ribbon conveyer |
| CN86206224U (en) * | 1986-08-28 | 1987-10-03 | 机械部北京起重运输机械研究所 | Rotation resistance testing equipment for supporting roller in belt conveyer |
| CN101876626A (en) * | 2010-04-06 | 2010-11-03 | 山东安能输送带橡胶有限公司 | Method for detecting rolling resistance coefficient of conveyer belt |
| KR20130025359A (en) * | 2012-12-21 | 2013-03-11 | 연세대학교 원주산학협력단 | Apparatus for wheelchair dynanometer |
| WO2014000035A1 (en) * | 2012-06-28 | 2014-01-03 | Nepean Engineering & Innovation Pty Ltd | Improved brake testing apparatus |
| CN203432732U (en) * | 2013-09-03 | 2014-02-12 | 力博重工科技股份有限公司宁阳分公司 | Support roller static resistance test bench |
| CN203705106U (en) * | 2013-11-21 | 2014-07-09 | 海峡西岸(福建)服饰贸易有限公司 | Rope band tension force testing device |
-
2014
- 2014-11-17 CN CN201410655805.XA patent/CN104458088B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86206184U (en) * | 1986-08-28 | 1987-09-12 | 机械部北京起重运输机械研究所 | Test set-up for running drag coefficient of supporting roll set of ribbon conveyer |
| CN86206224U (en) * | 1986-08-28 | 1987-10-03 | 机械部北京起重运输机械研究所 | Rotation resistance testing equipment for supporting roller in belt conveyer |
| CN101876626A (en) * | 2010-04-06 | 2010-11-03 | 山东安能输送带橡胶有限公司 | Method for detecting rolling resistance coefficient of conveyer belt |
| WO2014000035A1 (en) * | 2012-06-28 | 2014-01-03 | Nepean Engineering & Innovation Pty Ltd | Improved brake testing apparatus |
| KR20130025359A (en) * | 2012-12-21 | 2013-03-11 | 연세대학교 원주산학협력단 | Apparatus for wheelchair dynanometer |
| CN203432732U (en) * | 2013-09-03 | 2014-02-12 | 力博重工科技股份有限公司宁阳分公司 | Support roller static resistance test bench |
| CN203705106U (en) * | 2013-11-21 | 2014-07-09 | 海峡西岸(福建)服饰贸易有限公司 | Rope band tension force testing device |
Non-Patent Citations (1)
| Title |
|---|
| 黄传清，段振勇，连家创，王平: "HC轧机中间辊轴向移动阻力的测试", 《钢铁》 * |
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