CN103310686A - Friction experiment device - Google Patents
Friction experiment device Download PDFInfo
- Publication number
- CN103310686A CN103310686A CN2013102792725A CN201310279272A CN103310686A CN 103310686 A CN103310686 A CN 103310686A CN 2013102792725 A CN2013102792725 A CN 2013102792725A CN 201310279272 A CN201310279272 A CN 201310279272A CN 103310686 A CN103310686 A CN 103310686A
- Authority
- CN
- China
- Prior art keywords
- friction
- demonstration board
- experimental provision
- friction force
- loading plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A friction experiment device comprises a friction bearing plate, a friction demonstration plate component, a force sensor, a drawing mechanism and an electronic apparatus. The friction demonstration plate component is arranged on the friction bearing plate which is provided with a drawing end, the friction demonstration plate component is provided with a force measurement end, and the force measurement end is opposite to the drawing end. The drawing mechanism is connected with the drawing end of the friction bearing plate and used for drawing and applying force to the friction bearing plate. The force sensor is connected with the force measurement end of the friction demonstration plate component and used for sensing static friction between the friction bearing plate and the friction demonstration plate component. The electronic apparatus is electrically connected with the force sensor and used for performing data processing on the static friction and displaying experiment results. The friction experiment device has high static friction sensing accuracy.
Description
Technical field
The invention relates to a kind of physics facility, particularly about a kind of friction force experimental provision.
Background technology
In existing Physical Experiment, the method that detects stiction is generally, and a friction demonstration board is disposed on the rubbing surface, adopts a dynamometer to catch on the friction demonstration board, and by dynamometer to the friction demonstration board apply acting force, the direction of described acting force is parallel to described rubbing surface.The power of relative slip takes place in the obstruction that occurs between friction demonstration board and rubbing surface, is called stiction, and the big I of stiction reads by dynamometer.When the friction demonstration board soon slided with respect to rubbing surface, this moment, the acting force of dynamometer institute sensing was maximum static friction force.
Yet, because to need the people be the sensing numerical value that reads dynamometer, test intuitively inadequately, and artificially manually the demonstration board that rubs is applied acting force, can influence the precision of experimental data.
Summary of the invention
The object of the invention is to provide a kind of friction force experimental provision, can show experimental result automatically and have higher stiction sensing precision.
For reaching above-mentioned advantage, the invention provides a kind of friction force experimental provision, it comprises friction loading plate, friction demonstration board assembly and power sensor.Described friction demonstration board arrangement of components is on described friction loading plate, and described friction loading plate has traction end, and described friction demonstration board assembly has the dynamometry end, and described dynamometry end and described traction end are oppositely arranged.Described friction force experimental provision also comprises haulage gear and electronic installation, and described haulage gear is connected with the described traction end of described friction loading plate, is used for the described friction loading plate traction application of force.Described power sensor is connected with the described dynamometry end of described friction demonstration board assembly, is used for the stiction of the described friction loading plate of sensing and described friction demonstration board inter-module.Described electronic installation electrically is connected with described power sensor, is used for described stiction is carried out the data processing and shows experimental result.
In one embodiment of the invention, described friction demonstration board assembly comprises first demonstration board, web member and at least one second demonstration board, described first demonstration board is disposed on the described friction loading plate, described first demonstration board offers mounting groove, and the inside dimension of described mounting groove is greater than its opening size.Described web member comprises insertion plate and the connecting link of being located on the described insertion plate, and described insertion plate can be inserted in the described mounting groove, and described at least one second demonstration board is sheathed on the described connecting link.
In one embodiment of the invention, the opening of described mounting groove is rectangle, and described insertion plate is the rectangle plate body.
In one embodiment of the invention, described electronic installation comprises processing and control module and display screen, and described processing and control module and described power sensor and described display screen electrically connect.
In one embodiment of the invention, described friction force experimental provision also comprises projector, and described projector and described processing and control module electrically connect.
In one embodiment of the invention, one first stay cord is connected between the described traction end of described haulage gear and described friction loading plate.
In one embodiment of the invention, described friction force experimental provision also comprises fixed pulley, one end of one second stay cord is connected with the described dynamometry end of described friction demonstration board assembly, and the other end of described second stay cord is connected to described power sensor after walking around described fixed pulley.
In one embodiment of the invention, an end of one second stay cord is connected with the described dynamometry end of described friction demonstration board assembly, and the other end of described second stay cord is connected to described power sensor.
In one embodiment of the invention, described friction force experimental provision also comprises plummer, and described friction loading plate and described haulage gear are disposed on the described plummer.
In one embodiment of the invention, described plummer is provided with first scale mark, described friction loading plate is provided with second scale mark, described plummer is provided with the 3rd scale mark, when described friction force experimental provision is in original state, described first scale mark, described second scale mark and the alignment of described the 3rd scale mark in the vertical direction.
In friction force experimental provision of the present invention, adopt haulage gear to the friction loading plate traction application of force, the tractive force of haulage gear can adjust according to actual needs, with respect to the manual drawing friction loading plate of people, the haulage gear application of force is more stable, is conducive to improve stiction sensing precision.In addition, by electronic installation stiction is carried out that data are handled and show experimental result, whole experiment can realize full-automatic operation, not only can avoid the error that causes because of manual operation, also can improve the convenience of experiment.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Figure 1 shows that the schematic perspective view of the friction force experimental provision of first embodiment of the invention.
Figure 2 shows that the perspective exploded view of friction demonstration board assembly of the friction force experimental provision of Fig. 1.
Figure 3 shows that the connection diagram of power sensor, electronic installation and the projector of friction force experimental provision shown in Figure 1.
Figure 4 shows that the schematic perspective view of the friction force experimental provision of second embodiment of the invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Figure 1 shows that the schematic perspective view of the friction force experimental provision of first embodiment of the invention.Figure 2 shows that the perspective exploded view of friction demonstration board assembly of the friction force experimental provision of Fig. 1.See also Fig. 1 and Fig. 2, the friction force experimental provision 10 of first embodiment comprises plummer 11, friction loading plate 12, friction demonstration board assembly 13, back up pad 14, haulage gear 15, fixed pulley 16, power sensor 17, electronic installation 18 and projector 19.Friction loading plate 12 and haulage gear 15 are disposed on the plummer 11, and friction demonstration board assembly 13 is disposed on the friction loading plate 12.
Plummer 11 is provided with the first scale mark 11a, and friction loading plate 12 is provided with the second scale mark 12a.Friction demonstration board assembly 13 comprises first demonstration board 132, web member 133 and at least one second demonstration board 134, in the present embodiment, first demonstration board 132 is square plate body, it is disposed on the friction loading plate 12, offer mounting groove 132b on first demonstration board 132, mounting groove 132b has rectangular opening 132c, and the inside dimension of mounting groove 132b is greater than the size of its opening 132c.Friction loading plate 12 has traction end 12b, and friction demonstration board assembly 13 has dynamometry end 13b, and in the present embodiment, dynamometry end 13b is arranged on first demonstration board 132, and traction end 12b and dynamometry end 13b are oppositely arranged.
Back up pad 14 perpendicular to the friction loading plate 12 on, and perpendicular to the friction loading plate 12.Back up pad 14 is used for hanging fixed pulley 16, power sensor 17 and electronic installation 18.Haulage gear 15 is connected with the traction end 12b of friction loading plate 12, is used for the friction loading plate 12 traction application of forces.Particularly, one first stay cord 152 is connected between the traction end 12b of haulage gear 15 and friction loading plate 12, haulage gear 15 is configurable on plummer 11, and the height of haulage gear 15 is identical with the height of friction loading plate 12, and first stay cord 152 extends along horizontal direction.The tractive force of haulage gear 15 can adjust, and haulage gear 15 is provided with button and display screen, and the operator can pass through pressing keys, adjust tractive force, and tractive force can be shown by display screen.The bottom of haulage gear 15 is provided with roller, and roller can roll at plummer 11.With respect to operator's hand traction, the application of force of 15 pairs of frictions of haulage gear loading plate 12 is more stable.
Figure 3 shows that the connection diagram of power sensor, electronic installation and the projector of friction force experimental provision shown in Figure 1.See also Fig. 3, electronic installation 18 electrically connects with power sensor 17, is used for described stiction is carried out the data processing and shows experimental result.Particularly, electronic installation 18 comprises to be handled and control module 18a and display screen 18b, and processing and control module 18a can electrically connect with power sensor 17, display screen 18b and projector 19.Prestore the qualitative data of first demonstration board 132, web member 133 and second demonstration board 134 in the friction demonstration board assembly 13 in processing and the control module 18a, it is used for the stiction that power sensor 17 senses is handled, and adopts the form of figure or form to show by projector 19 and display screen 18b.Display screen 18b is touch screen, and the operator can be by display screen 18b to handling and control module 18a input instruction.For example, maximum static friction force between qualitative data in the known friction demonstration board assembly 13 and friction loading plate 12 and the friction demonstration board assembly 13 utilizes formula F=μ mg can solve the coefficient of static friction of friction loading plate 12 and 13 surface of contact of friction demonstration board assembly.The operator is if need see that testing the coefficient of static friction or the stiction data that obtain can import instruction to processing and control module 18a by controlling display screen 18b, and processing and control module 18a are presented by display screen 18b after handling and obtaining related data again.
Need to prove that in other embodiments, projector 19 can omit, and can set according to actual demand.
When carrying out the friction force experiment, make the alignment of the first scale mark 11a, the second scale mark 12a and the 3rd scale mark 13a in the vertical direction, first stay cord 152 and the second stay cord 132a are in tensioning state, start haulage gear 15, and setting tractive force, haulage gear 15 applies pulling force by 152 pairs of frictions of first stay cord loading plate 12, and friction loading plate 12 and 13 of friction demonstration board assemblies produce stiction, and the big I of stiction reads by power sensor 17.The operator can pass through the mobile status of alignment situation observation plummer 11, friction loading plate 12 and the friction demonstration board assembly 13 of the first scale mark 11a, the second scale mark 12a and the 3rd scale mark 13a, when the second scale mark 12a and the 3rd scale mark 13a generation skew soon, illustrate that friction demonstration board assembly 13 is about to slide with respect to friction loading plate 12, at this moment, power sensor 17 senses is the maximum static friction force of friction demonstration board assembly 13 and 12 of the loading plates of rubbing.Power sensor 17 is given electronic installation 18 with the stiction data transmission that senses, and electronic installation 18 can show experimental datas such as the coefficient of static friction of friction loading plate 12 and 13 surface of contact of demonstration board assembly that rub and stiction.When friction force experimental provision 10 is used for the large lectures teaching, can experimental data be shown by projector 19.
Need to prove, can carry out the demonstration of many group experimental datas according to the quality that actual needs arranges friction demonstration board assembly 13, for example, can adopt first demonstration board 132 to carry out the friction force experiment earlier, obtain many group experimental datas as need, can earlier web member 133 be inserted first demonstration board 132, make the connecting link 133b of web member 133 pass the pilot hole 134a of second demonstration board 134 again, thereby second demonstration board 134 is loaded on first demonstration board 132, at this moment, the weight that acts on the friction demonstration board assembly 13 on first demonstration board 132 increases, when carrying out the friction force experiment again, can obtain one group of experimental data again, can set according to actual demand in the quantity that first demonstration board 132 loads second demonstration board 134.
Figure 4 shows that the schematic perspective view of the friction force experimental provision of second embodiment of the invention.See also Fig. 4, the friction force experimental provision 20 of second embodiment is similar to the friction force experimental provision 10 of first embodiment, difference is, friction force experimental provision 20 omits fixed pulley, the second stay cord 232a along continuous straight runs extends, namely the end of the second stay cord 232a is connected with the described dynamometry end 23b of friction demonstration board assembly 23, and the other end of the described second stay cord 232a is connected to power sensor 27.The experimentation of friction force experimental provision 20 is identical with the experimentation of friction force experimental provision 10, does not repeat them here.
In sum, friction force experimental provision of the present invention has following advantage at least:
1. in friction force experimental provision of the present invention, adopt haulage gear to the friction loading plate traction application of force, the tractive force of haulage gear can adjust according to actual needs, with respect to the manual drawing friction loading plate of people, the haulage gear application of force is more stable, is conducive to improve stiction sensing precision.In addition, by electronic installation stiction is carried out that data are handled and show experimental result, whole experiment can realize full-automatic operation, not only can avoid the error that causes because of manual operation, also can improve the convenience of experiment.
2. in an embodiment of friction force experimental provision of the present invention, described friction demonstration board assembly can comprise first demonstration board, web member and at least one second demonstration board, connection by web member, second demonstration board can load on first demonstration board and with first demonstration board and align, second demonstration board relative first demonstration board is in the horizontal direction fixed, and web member can prevent effectively that second demonstration board from moving with respect to first demonstration board.
3. in an embodiment of friction force experimental provision of the present invention, electronic installation also can electrically connect with projector, adopts projector to show experimental result, and is convenient for the more classroom instruction of number.
4. in an embodiment of friction force experimental provision of the present invention, the display screen that electronic installation comprises is touch screen, and the operator can instruct to processing and control module input by touch screen, and is easy to operate.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1. friction force experimental provision, it comprises the friction loading plate, friction demonstration board assembly and power sensor, described friction demonstration board arrangement of components is on described friction loading plate, described friction loading plate has traction end, described friction demonstration board assembly has the dynamometry end, described dynamometry end and described traction end are oppositely arranged, it is characterized in that, described friction force experimental provision also comprises haulage gear and electronic installation, described haulage gear is connected with the described traction end of described friction loading plate, be used for the described friction loading plate traction application of force, described power sensor is connected with the described dynamometry end of described friction demonstration board assembly, is used for the stiction of the described friction loading plate of sensing and described friction demonstration board inter-module; Described electronic installation electrically is connected with described power sensor, is used for described stiction is carried out the data processing and shows experimental result.
2. friction force experimental provision as claimed in claim 1, it is characterized in that: described friction demonstration board assembly comprises first demonstration board, web member and at least one second demonstration board, described first demonstration board is disposed on the described friction loading plate, described first demonstration board offers mounting groove, the inside dimension of described mounting groove is greater than its opening size, described web member comprises insertion plate and the connecting link of being located on the described insertion plate, described insertion plate can be inserted in the described mounting groove, and described at least one second demonstration board is sheathed on the described connecting link.
3. friction force experimental provision as claimed in claim 2, it is characterized in that: the opening of described mounting groove is rectangle, described insertion plate is the rectangle plate body.
4. friction force experimental provision as claimed in claim 1, it is characterized in that: described electronic installation comprises processing and control module and display screen, described processing and control module and described power sensor and described display screen electrically connect.
5. friction force experimental provision as claimed in claim 4, it is characterized in that: described friction force experimental provision also comprises projector, described projector and described processing and control module electrically connect.
6. friction force experimental provision as claimed in claim 1, it is characterized in that: one first stay cord is connected between the described traction end of described haulage gear and described friction loading plate.
7. friction force experimental provision as claimed in claim 1, it is characterized in that: described friction force experimental provision also comprises fixed pulley, one end of one second stay cord is connected with the described dynamometry end of described friction demonstration board assembly, and the other end of described second stay cord is connected to described power sensor after walking around described fixed pulley.
8. friction force experimental provision as claimed in claim 1, it is characterized in that: an end of one second stay cord is connected with the described dynamometry end of described friction demonstration board assembly, and the other end of described second stay cord is connected to described power sensor.
9. friction force experimental provision as claimed in claim 1, it is characterized in that: described friction force experimental provision also comprises plummer, described friction loading plate and described haulage gear are disposed on the described plummer.
10. friction force experimental provision as claimed in claim 9, it is characterized in that: described plummer is provided with first scale mark, described friction loading plate is provided with second scale mark, described plummer is provided with the 3rd scale mark, when described friction force experimental provision is in original state, described first scale mark, described second scale mark and the alignment of described the 3rd scale mark in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102792725A CN103310686A (en) | 2013-07-05 | 2013-07-05 | Friction experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102792725A CN103310686A (en) | 2013-07-05 | 2013-07-05 | Friction experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103310686A true CN103310686A (en) | 2013-09-18 |
Family
ID=49135851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102792725A Pending CN103310686A (en) | 2013-07-05 | 2013-07-05 | Friction experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103310686A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985291A (en) * | 2014-06-09 | 2014-08-13 | 上海市第一中学 | Training aid for measuring friction coefficient |
| CN104715657A (en) * | 2015-04-02 | 2015-06-17 | 付嘉乐 | Physical electronic type tension weighing experiment demonstration instrument |
| CN105139725A (en) * | 2015-09-25 | 2015-12-09 | 中国石油大学(北京) | Static friction force tester |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524222A (en) * | 2008-03-05 | 2009-09-09 | 鸿富锦精密工业（深圳）有限公司 | Support shelf structure |
| CN201508642U (en) * | 2009-09-16 | 2010-06-16 | 山东省远大网络多媒体股份有限公司 | Friction force tester |
| CN201535989U (en) * | 2009-08-06 | 2010-07-28 | 艾元平 | Rotatable LED screen |
| CN101958070A (en) * | 2009-07-17 | 2011-01-26 | 林义艳 | Frictional force experiment instrument |
| CN102647873A (en) * | 2012-04-28 | 2012-08-22 | 北京金立翔艺彩科技股份有限公司 | LED display screen frame for non-planar installation and LED display device |
| CN202929911U (en) * | 2012-11-22 | 2013-05-08 | 乐山师范学院 | Frictional force demonstration instrument |
| CN203325288U (en) * | 2013-07-05 | 2013-12-04 | 河南工业职业技术学院 | Friction experiment device |
-
2013
- 2013-07-05 CN CN2013102792725A patent/CN103310686A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101524222A (en) * | 2008-03-05 | 2009-09-09 | 鸿富锦精密工业（深圳）有限公司 | Support shelf structure |
| CN101958070A (en) * | 2009-07-17 | 2011-01-26 | 林义艳 | Frictional force experiment instrument |
| CN201535989U (en) * | 2009-08-06 | 2010-07-28 | 艾元平 | Rotatable LED screen |
| CN201508642U (en) * | 2009-09-16 | 2010-06-16 | 山东省远大网络多媒体股份有限公司 | Friction force tester |
| CN102647873A (en) * | 2012-04-28 | 2012-08-22 | 北京金立翔艺彩科技股份有限公司 | LED display screen frame for non-planar installation and LED display device |
| CN202929911U (en) * | 2012-11-22 | 2013-05-08 | 乐山师范学院 | Frictional force demonstration instrument |
| CN203325288U (en) * | 2013-07-05 | 2013-12-04 | 河南工业职业技术学院 | Friction experiment device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985291A (en) * | 2014-06-09 | 2014-08-13 | 上海市第一中学 | Training aid for measuring friction coefficient |
| CN104715657A (en) * | 2015-04-02 | 2015-06-17 | 付嘉乐 | Physical electronic type tension weighing experiment demonstration instrument |
| CN105139725A (en) * | 2015-09-25 | 2015-12-09 | 中国石油大学(北京) | Static friction force tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103310686A (en) | Friction experiment device | |
| CN103176063A (en) | Input device tester | |
| CN204432121U (en) | Mathematical education servicing unit | |
| CN203881924U (en) | Magnet magnetism testing arrangement | |
| CN203325288U (en) | Friction experiment device | |
| Chen et al. | Numerical investigation on the magnetostrictive effect of magneto-sensitive elastomers based on a magneto-structural coupling algorithm | |
| CN204062400U (en) | A kind of universal projector for real object expands underframe | |
| CN206907302U (en) | A kind of Physical Experiment apparatus for demonstrating | |
| Yu-bo et al. | Research on the looping pendulum phenomenon | |
| WO2015009578A1 (en) | A display assembly having graduated magnetic fastening characteristics | |
| CN207650375U (en) | Magnetic domain in-situ observation system during a kind of reciprocating friction | |
| CN210091501U (en) | Demonstration device for demonstrating influence of slopes with different angles on tension | |
| Valentini et al. | Theoretical and experimental characterization of a FEM element assembly for the simulation of very compliant knitted mesh | |
| CN103745631B (en) | Experiment demonstration device for measuring relation between friction force and tensile force | |
| CN202018487U (en) | Testing jig | |
| CN206833891U (en) | A kind of ageing tester of LCDs circuit board | |
| Li et al. | Coordinated chain motion resulting in intensity variation of light transmitted through ferrofluid film | |
| CN108896382A (en) | Mechanical load test device for variable working condition | |
| CN101576456A (en) | Electric tensile resistance tester | |
| CN205068933U (en) | Frictional force experiment appearance | |
| CN210378020U (en) | Friction force demonstration teaching instrument | |
| CN206496172U (en) | Synchronous guide track mechanism and the electrical equipment with synchronous guide track mechanism | |
| CN206975885U (en) | A kind of mechanics apparatus for demonstrating | |
| CN201638425U (en) | Friction demonstrator | |
| CN204966011U (en) | Detection apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130918 |