CN202471536U - Device for measuring abrasion loss and friction coefficient of high-speed rolling interface roller - Google Patents
Device for measuring abrasion loss and friction coefficient of high-speed rolling interface roller Download PDFInfo
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- CN202471536U CN202471536U CN2012200678815U CN201220067881U CN202471536U CN 202471536 U CN202471536 U CN 202471536U CN 2012200678815 U CN2012200678815 U CN 2012200678815U CN 201220067881 U CN201220067881 U CN 201220067881U CN 202471536 U CN202471536 U CN 202471536U
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Abstract
The utility model discloses a device for measuring abrasion loss and a friction coefficient of a high-speed rolling interface roller. The device comprises a power system, a boosting system, a rolling system, a force measurement and data collection system, a rolled workpiece, a workpiece supporting system and a work bench. The power system comprises a motor and a speed reducer, wherein the motor and the speed reducer are coupled through a universal coupler, and the speed reducer and a roller power shaft are also connected through the universal coupler; the boosting system comprises a servo motor, a boosting screw, a spring, a lead screw, a left pressure plate, a right pressure plate, and a screw nut on the left pressure plate; the rolling system comprises two bearing bases, a power roller and a pressurizing roller; and the force measurement and data collection system comprises a torque sensor, a pressure sensor, a torque measurer, a pressure measurement strain gage, a computer and a motor controller. The device can be used for precisely measuring the abrasion loss and the friction coefficient of the roller so as to judge the friction loss property of a roller material, thus providing powerful references for material selection and practical application of the roller.
Description
Technical field
The utility model relates to a kind of determinator of roll material friction and wear behavior, especially relates to a kind of high-speed rolling interface roll wear amount and Determination of Friction Coefficient device, belongs to the rubbing wear technical field.
Background technology
Roll is the critical component in the rolling mill equipment, and its wear extent is big, and working condition is abominable.According to investigations, China is worth billions of units because of nearly 200,000 t of the roll material of attrition every year, causes enormous economic loss to country.Become one of key factor of decision production cost, production efficiency, labour intensity and social sustainable development the serviceable life of roll.In influencing roll all factors in serviceable life; The wearing quality of roll is the most key factor; So the breaker roll Study on Wear Resistance receives people's attention always, currently used research method and device are also varied, in general; Mainly contain two types: the one, utilize various abrasion testers, the 2nd, utilize custom-designed device to study.
For a long time, on abrasion tester, carry out the material polishing machine measure simple and easy to do, so this type of device is used commonplace.But under the high-speed rolling condition, the wearing and tearing of roll have significant difference with general wearing and tearing on physics and geometric condition, as: periodically contact; Oxide skin on the rolled piece can be used as abrasive particle and gets into roll gap; Effect with liquid coolant and lubricating fluid; Influence of being heated or the like.It is thus clear that roll is under the condition of real work, the factor of influence wearing and tearing is complicated especially, and general abrasion tester is the influence that does not reflect these complicated factors.And just can reflect the polishing machine and the wear process of roll truly according to the determinator that the actual condition of roll work designs.
Summary of the invention
The utility model provides a kind of high-speed rolling interface roll wear amount and Determination of Friction Coefficient device to the deficiency of prior art.
High-speed rolling interface roll wear amount and Determination of Friction Coefficient device are rolled workpiece, dynamometry and data acquisition system (DAS) and are formed by power system, afterburner system, rolling system, workpiece support system, quilt.
Described power system is made up of motor, speed reduction unit; Input shaft of speed reducer horizontal positioned, output shaft are connected with the roll line shaft vertically upward, connect with Hooks coupling universal coupling and resilient sleeve respectively between motor and the speed reduction unit and between speed reduction unit and the roll line shaft.
Described afterburner system is made up of the feed screw nut on servomotor, afterburning screw rod, spring, leading screw, leading screw support, left pressing plate, right pressing plate, the left pressing plate; Be fixed with sleeve at left pressing plate, right pressing plate, spring is installed on the fixed muffle; Afterburning screw rod passes the sleeve on left pressing plate, the right pressing plate, and right-hand member links to each other with the pressuring shaft bearing; The leading screw support is fixed on the support, and leading screw one end is installed on the leading screw support, between leading screw and the leading screw support bearing is installed; Leading screw has auto-lock function, the feed screw nut threaded engagement on leading screw and the left pressing plate; Between servomotor and the leading screw speed reduction unit is installed.
Described rolling system is made up of powered rollers, pressurization roll; Powered rollers, add the structural similarity of knobbling rolls, form, connect by screw between roll shaft and the roller shell by roll shaft and roller shell; Roller shell on the powered rollers is made up of the material of the roll that will measure, and roller shell is an opposite opened; The roller shell that adds knobbling rolls is a monoblock type.
Described workpiece support system is made up of pressuring shaft bearing, line shaft bearing, support, worktable, workpiece carrying roller, column; Two bearings workpiece are installed on the workpiece carrying roller, and the workpiece carrying roller is installed on the column with nut, and column is fixed on support, is with spring between workpiece carrying roller and the column; Dovetail groove and slide block are arranged on the worktable, and slide block is installed in the dovetail groove of worktable and can be along the dovetail groove slippage, and right pressing plate is fixed on the slide block, and left pressing plate and pressuring shaft bearing are installed in the dovetail groove of slide block, can slide along dovetail groove; The line shaft bearing is fixedly mounted on the support; Powered rollers with add knobbling rolls and be installed in respectively on line shaft bearing and the pressuring shaft bearing.
The described workpiece that rolled is to be cylindric, is installed on the workpiece carrying roller, and by the bearings of workpiece carrying roller.
Described dynamometry and data acquisition system (DAS) are made up of torque sensor, pressure transducer, torductor, pressure measurement strainmeter, computing machine, electric machine controller; Torque sensor is installed between powered rollers axle and the reducer output shaft, adopts resilient sleeve to be connected between powered rollers axle and the reducer output shaft; Torque sensor links to each other with torductor, and torque value is directly read by measuring instrument; The output terminal of pressure transducer links to each other with the pressure measurement strainmeter, and the pressure measurement strainmeter converts various measured parameter to digital signal, links to each other with computing machine through output interface; Computing machine links to each other with electric machine controller, and when the force value that records when pressure transducer reached the value of computer settings, computing machine sent signal, makes servomotor quit work through electric machine controller, and then stops pressurization.
The beneficial effect of the utility model: the determinator that the utility model proposes is according to the actual condition design of roll work; This device can be measured roll wear amount and friction factor exactly, thereby solid reference is provided for the selection of roll and practical application.
Description of drawings
Fig. 1 is the one-piece construction figure of determinator;
Fig. 2 is the structural drawing of workpiece carrying roller;
Fig. 3 is powered rollers and adds knobbling rolls figure;
Fig. 4 is powered rollers and the structure installation diagram that adds knobbling rolls;
1; Servomotor 2; Speed reduction unit 3; Leading screw support 4; Feed screw nut 5; Left pressing plate 6; Leading screw 7; Afterburning screw rod 8; Right pressing plate 9; Sleeve 10; Pressuring shaft bearing 11; Add knobbling rolls 12; By mutual aid system devised for poor peasants part and workpiece carrying roller 13; Powered rollers 14; Line shaft bearing 15; Support 16; Worktable 17; Drive motor 18; Hooks coupling universal coupling 19; Speed reduction unit 20; Resilient sleeve 21; Torque sensor 22; Torductor 23; Slide block 24; Pressure measurement strainmeter 25; Pressure transducer 26; Electric machine controller 27; Computing machine 28; Bearing 29; Telecommunication cable 30; Bearing 31; Workpiece carrying roller 32; Spring 33; Packing ring 34; Nut 35; Column 36; Screw 37; Roll shaft 38; Roller shell.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
The one-piece construction figure of determinator as shown in Figure 1, power system is made up of driving motor 17, speed reduction unit 19.Input shaft of speed reducer horizontal positioned, output shaft are connected with the roll line shaft vertically upward, connect with Hooks coupling universal coupling 18 between driving motor 17 and the speed reduction unit 19, and in the time of can preventing that like this right alignment is low between axle and the axle, axle twists off; Right alignment when torque sensor 21 is installed is had relatively high expectations, and for solving the not high problem of right alignment, connects with resilient sleeve 20 between speed reduction unit 19 and the torque sensor 21; Afterburner system is made up of the feed screw nut 4 on servomotor 1, speed reduction unit 2, afterburning screw rod 7, spring 32, leading screw 6, leading screw support 3, left pressing plate 5, right pressing plate 8 and the left pressing plate.Spring 32 is installed on the fixed muffle 9, and is too big for prevent that spring 32 from moving radially on afterburning screw rod 7, and fixed muffle 9 on left pressing plate 5 and right pressing plate 6, afterburning screw rod 7 pass the sleeve on left pressing plate 5 and the right pressing plate 6, and right-hand member links to each other with pressuring shaft bearing 10; One end of leading screw 6 is supported by leading screw support 3, between leading screw and the leading screw support bearing 28 is arranged, and leading screw 6 has auto-lock function, in case the back leading screw of machining is retreated; Between servomotor 1 and the leading screw 6 speed reduction unit 2 is installed.
Rolling system by powered rollers 13, add knobbling rolls 11 and form.Like Fig. 3 and shown in Figure 4, powered rollers 13, the structure that adds knobbling rolls 11 are identical, form by roll shaft 37 and roller shell 38, are connected by screw 36 between roll shaft and the roller shell; Roller shell on the powered rollers is made up of the material of the roll that will measure, and for the ease of changing, roller shell is an opposite opened; The roller shell that adds knobbling rolls is a monoblock type owing to not needing frequent replacing, roller shell.
Workpiece support system is made up of pressuring shaft bearing 10, line shaft bearing 14, support 15, worktable 16, workpiece carrying roller 31.As shown in Figure 2; Being rolled workpiece 12 is installed on the workpiece carrying roller 31, and two bearing 30 supporting workpieces are installed on workpiece carrying roller 31, can reduce on the one hand because the different interference that caused of workpiece Internal and external cycle linear velocity; On the other hand; Belong to rolling friction between bearing and the workpiece, wear extent is little, can prolong the serviceable life of bearing and workpiece like this.Workpiece carrying roller 31 is installed in nut 34 and is installed on the column 35; Spring 32 is arranged between workpiece carrying roller and the column; Between nut 34 and the workpiece carrying roller 31 packing ring 33 is arranged, shake when big when workpiece like this, both can reduce impact through the buffer action of spring to bearing; Can adjust the depth of parallelism of workpiece again to a certain extent, to guarantee the stable operation of workpiece; Dovetail groove and slide block 23 are arranged on the worktable 16, and slide block 23 is installed in the dovetail groove of worktable and can be along the dovetail groove slippage, and right pressing plate is fixed on the slide block, and left pressing plate and pressuring shaft bearing are installed in the dovetail groove of slide block 23, can slide along dovetail groove.
Be installed on the workpiece carrying roller by being rolled workpiece, and by the bearings of workpiece carrying roller.The workpiece carrying roller is rack-mount.
Dynamometry and data acquisition system (DAS) are made up of torque sensor 21, pressure transducer 25, torductor 22, pressure measurement strainmeter 24, computing machine 27, electric machine controller 26.Torque sensor 21 is installed between powered rollers axle and the reducer output shaft, and the right alignment when installing owing to torque sensor is had relatively high expectations, thus adopt resilient sleeve to connect between powered rollers axle and the reducer output shaft, to solve the not high problem of right alignment; Torque sensor 21 links to each other with torductor 22 usefulness telecommunication cables 29, and torque value is directly read by measuring instrument, extrapolates friction factor according to moment of torsion, roller radius and draught pressure value; The output terminal of pressure transducer 25 links to each other with pressure measurement strainmeter 24 usefulness telecommunication cables 29, and pressure measurement strainmeter 24 converts various measured parameter to digital signal, links to each other with computing machine through output interface again.Experimental result can be exported through peripherals (printer, plotting apparatus) with the form of data, form, curve or fitting formula.Computing machine 27 links to each other with electric machine controller 26 usefulness telecommunication cables 29, and when the force value that records when pressure transducer reached the value of computer settings, computing machine sent signal, makes servomotor quit work through electric machine controller, and then stops pressurization.
When this device carries out work, the one-piece construction figure of determinator as shown in Figure 1, with structure such as Fig. 3 and powered rollers shown in Figure 4 with add knobbling rolls and be installed in respectively on line shaft bearing and the pressuring shaft bearing, will be rolled workpiece and be installed on the workpiece carrying roller.Energized at first, drive motor 17 drive speed reduction units 2 and torque sensor 21 and powered rollers 13 through Hooks coupling universal coupling 18 and begin to rotate.Then according to adding 11 roll-forces that will apply of knobbling rolls, set the stroke of 1 drive leading screw 6 of servomotors through computing machine 26 and electric machine controller 27, make that servomotor 1 stops operating when pressure transducer 25 detects roll-force and reaches setting value.Connect the power supply of servomotor 1; Servomotor and speed reduction unit drive leading screw 6 and in feed screw nut 4, rotate together; Thereby left pressing plate 5 and right pressing plate 8 and spring 32 are moved forward together along afterburning screw rod 7; When the pressure transducer 25 on the right pressing plate 8 contacted with pressuring shaft bearing 10, whole afterburner system promoted pressuring shaft bearing 10, makes pressuring shaft bearing 10 through moving forward in the dovetail groove of slide block 23 on worktable 16 that is fixed together with it.When adding knobbling rolls 11 and being rolled workpiece 12 and contact, 10 of pressuring shaft bearings stop to move.Servomotor continues to drive leading screw 6 and rotates; Left pressing plate 5 beginning compression springs 32; The elastic force of spring 32 is through right pressing plate 8, pressure transducer 25, pressuring shaft bearing 10 and add knobbling rolls 11, is applied to be rolled on workpiece 12 and the powered rollers 13, when the pressure of spring reaches certain value; Under the drive of friction force, workpiece begins to rotate.Torque value is read by digital torductor 22, and pressure value is exported by computing machine through the processing of strainmeter 24 and computing machine 27.
For example: can utilize 45 steel as roll material (roller case material that is powered rollers is 45 steel); Draught pressure is respectively 9kN and 7kN; Rolling two samples of difference under every kind of pressure; Rolling time all is 10h, and the wear extent of precision as the electronic balance weighing powered rollers 13 of 1mg used in rolling back, with outcome record in form.Under two kinds of roll-force effects, read torque value by digital torque gauge, and then find the solution the size that obtains friction force, through calculating friction factor.
Claims (1)
1. high-speed rolling interface roll wear amount and Determination of Friction Coefficient device are rolled workpiece, dynamometry and data acquisition system (DAS) by power system, afterburner system, rolling system, workpiece support system, quilt and are formed, and it is characterized in that:
Described power system is made up of motor, speed reduction unit; Input shaft of speed reducer horizontal positioned, output shaft are connected with the roll line shaft vertically upward, connect with Hooks coupling universal coupling and resilient sleeve respectively between motor and the speed reduction unit and between speed reduction unit and the roll line shaft;
Described afterburner system is made up of the feed screw nut on servomotor, afterburning screw rod, spring, leading screw, leading screw support, left pressing plate, right pressing plate, the left pressing plate; Be fixed with sleeve at left pressing plate, right pressing plate, spring is installed on the fixed muffle; Afterburning screw rod passes the sleeve on left pressing plate, the right pressing plate, and right-hand member links to each other with the pressuring shaft bearing; The leading screw support is fixed on the support, and leading screw one end is installed on the leading screw support, between leading screw and the leading screw support bearing is installed; Leading screw has auto-lock function, the feed screw nut threaded engagement on leading screw and the left pressing plate; Between servomotor and the leading screw speed reduction unit is installed;
Described rolling system is made up of powered rollers, pressurization roll; Powered rollers, add the structural similarity of knobbling rolls, form, connect by screw between roll shaft and the roller shell by roll shaft and roller shell; Roller shell on the powered rollers is made up of the material of the roll that will measure, and roller shell is an opposite opened; The roller shell that adds knobbling rolls is a monoblock type;
Described workpiece support system is made up of pressuring shaft bearing, line shaft bearing, support, worktable, workpiece carrying roller, column; Two bearings workpiece are installed on the workpiece carrying roller, and the workpiece carrying roller is installed on the column with nut, and column is fixed on support, is with spring between workpiece carrying roller and the column; Dovetail groove and slide block are arranged on the worktable, and slide block is installed in the dovetail groove of worktable and can be along the dovetail groove slippage, and right pressing plate is fixed on the slide block, and left pressing plate and pressuring shaft bearing are installed in the dovetail groove of slide block, can slide along dovetail groove; The line shaft bearing is fixedly mounted on the support; Powered rollers with add knobbling rolls and be installed in respectively on line shaft bearing and the pressuring shaft bearing;
The described workpiece that rolled is to be cylindric, is installed on the workpiece carrying roller, and by the bearings of workpiece carrying roller;
Described dynamometry and data acquisition system (DAS) are made up of torque sensor, pressure transducer, torductor, pressure measurement strainmeter, computing machine, electric machine controller; Torque sensor is installed between powered rollers axle and the reducer output shaft, adopts resilient sleeve to be connected between powered rollers axle and the reducer output shaft; Torque sensor links to each other with torductor, and torque value is directly read by measuring instrument; The output terminal of pressure transducer links to each other with the pressure measurement strainmeter, and the pressure measurement strainmeter converts various measured parameter to digital signal, links to each other with computing machine through output interface; Computing machine links to each other with electric machine controller, and when the force value that records when pressure transducer reached the value of computer settings, computing machine sent signal, makes servomotor quit work through electric machine controller, and then stops pressurization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200678815U CN202471536U (en) | 2012-02-28 | 2012-02-28 | Device for measuring abrasion loss and friction coefficient of high-speed rolling interface roller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200678815U CN202471536U (en) | 2012-02-28 | 2012-02-28 | Device for measuring abrasion loss and friction coefficient of high-speed rolling interface roller |
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| Publication Number | Publication Date |
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| CN202471536U true CN202471536U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200678815U Expired - Fee Related CN202471536U (en) | 2012-02-28 | 2012-02-28 | Device for measuring abrasion loss and friction coefficient of high-speed rolling interface roller |
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Cited By (14)
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| CN103207144A (en) * | 2013-04-24 | 2013-07-17 | 深圳市怡化电脑有限公司 | Friction property test device |
| CN103234668A (en) * | 2013-04-07 | 2013-08-07 | 上海交通大学 | Device and method for measuring contact pressure of gyrounit |
| CN104181065A (en) * | 2014-09-05 | 2014-12-03 | 徐州工程学院 | Device for testing wear properties of roller materials |
| CN104198369A (en) * | 2014-09-11 | 2014-12-10 | 四川大学 | Sliding and rolling friction property experiment table |
| CN106311765A (en) * | 2016-10-11 | 2017-01-11 | 杭州电子科技大学 | Device and method for measuring friction coefficient of high-speed rolling interface |
| CN108665780A (en) * | 2018-03-16 | 2018-10-16 | 辽宁科技大学 | A kind of casting-rolling production process parameter multi- scenarios method parametric synthesis experiment test device |
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| CN113155727A (en) * | 2021-01-21 | 2021-07-23 | 成都济通路桥科技有限公司 | Method for calibrating friction coefficient of supporting device |
| CN114192588A (en) * | 2021-12-14 | 2022-03-18 | 杭州电子科技大学 | Cold rolling mill rolling interface friction coefficient and friction force measuring device based on rolled piece forced braking method |
| CN116879099A (en) * | 2023-09-07 | 2023-10-13 | 江苏凯达重工股份有限公司 | Method and device for testing wear performance of roller |
| CN117504991A (en) * | 2024-01-08 | 2024-02-06 | 泰兴市西桥轧辊厂 | Roller with detachable shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103234668A (en) * | 2013-04-07 | 2013-08-07 | 上海交通大学 | Device and method for measuring contact pressure of gyrounit |
| CN103234668B (en) * | 2013-04-07 | 2015-07-08 | 上海交通大学 | Device and method for measuring contact pressure of gyrounit |
| CN103207144A (en) * | 2013-04-24 | 2013-07-17 | 深圳市怡化电脑有限公司 | Friction property test device |
| CN103207144B (en) * | 2013-04-24 | 2015-09-02 | 深圳怡化电脑股份有限公司 | Friction performance testing device |
| CN104181065B (en) * | 2014-09-05 | 2016-06-22 | 徐州工程学院 | Roll material polishing machine determinator |
| CN104181065A (en) * | 2014-09-05 | 2014-12-03 | 徐州工程学院 | Device for testing wear properties of roller materials |
| CN104198369B (en) * | 2014-09-11 | 2016-04-27 | 四川大学 | Slide rolling friction performance experiment table |
| CN104198369A (en) * | 2014-09-11 | 2014-12-10 | 四川大学 | Sliding and rolling friction property experiment table |
| CN106311765A (en) * | 2016-10-11 | 2017-01-11 | 杭州电子科技大学 | Device and method for measuring friction coefficient of high-speed rolling interface |
| CN106311765B (en) * | 2016-10-11 | 2018-01-19 | 杭州电子科技大学 | High-speed rolling interfacial friction factor measurement apparatus and method |
| CN108665780A (en) * | 2018-03-16 | 2018-10-16 | 辽宁科技大学 | A kind of casting-rolling production process parameter multi- scenarios method parametric synthesis experiment test device |
| CN109596518B (en) * | 2018-12-06 | 2021-03-16 | 陕西理工大学 | Portable wall tile on-site detection device |
| CN109596518A (en) * | 2018-12-06 | 2019-04-09 | 陕西理工大学 | A kind of Portable wall surface ceramic tile on-site detecting device |
| CN109883873A (en) * | 2019-03-27 | 2019-06-14 | 辽宁科技大学 | A kind of side seal board fretting wear Detecting data and experimental method |
| CN112067548A (en) * | 2020-09-24 | 2020-12-11 | 中国计量大学 | Portable surface resistance coefficient testing arrangement |
| CN112241574A (en) * | 2020-10-28 | 2021-01-19 | 太原理工大学 | Belt conveyor carrier roller state measurement and control method and device based on image texture information |
| CN112241574B (en) * | 2020-10-28 | 2022-08-30 | 太原理工大学 | Belt conveyor carrier roller state measurement and control method and device based on image texture information |
| CN113155727A (en) * | 2021-01-21 | 2021-07-23 | 成都济通路桥科技有限公司 | Method for calibrating friction coefficient of supporting device |
| CN114192588A (en) * | 2021-12-14 | 2022-03-18 | 杭州电子科技大学 | Cold rolling mill rolling interface friction coefficient and friction force measuring device based on rolled piece forced braking method |
| CN114192588B (en) * | 2021-12-14 | 2024-02-02 | 杭州电子科技大学 | Cold rolling mill rolling interface friction coefficient and friction force measuring device based on rolled piece forced braking method |
| CN116879099A (en) * | 2023-09-07 | 2023-10-13 | 江苏凯达重工股份有限公司 | Method and device for testing wear performance of roller |
| CN116879099B (en) * | 2023-09-07 | 2023-11-17 | 江苏凯达重工股份有限公司 | Method and device for testing wear performance of roller |
| CN117504991A (en) * | 2024-01-08 | 2024-02-06 | 泰兴市西桥轧辊厂 | Roller with detachable shaft |
| CN117504991B (en) * | 2024-01-08 | 2024-03-29 | 泰兴市西桥轧辊厂 | Roller with detachable shaft |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20150228 |
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| EXPY | Termination of patent right or utility model |