CN206946782U - A kind of Middle School Physics frictional force experiment teaching aid - Google Patents
A kind of Middle School Physics frictional force experiment teaching aid Download PDFInfo
- Publication number
- CN206946782U CN206946782U CN201720468136.4U CN201720468136U CN206946782U CN 206946782 U CN206946782 U CN 206946782U CN 201720468136 U CN201720468136 U CN 201720468136U CN 206946782 U CN206946782 U CN 206946782U
- Authority
- CN
- China
- Prior art keywords
- experimental bench
- brassboard
- experiment
- frictional force
- teaching aid
- 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.)
- Expired - Fee Related
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
It the utility model is related to physical teaching aid for middle school field, and in particular to a kind of Middle School Physics frictional force experiment teaching aid, including experimental bench, connected unit and erecting bed；Experimental bench is located at the left end of connected unit, brassboard is provided with experimental bench, experimental bench both sides are symmetrically arranged with baffle plate, and are provided with chute between brassboard and two side shields；Experiment block is placed with brassboard, groove is set at the top of experiment block, groove left end is provided with the display for showing pressure size, and experiment block bottom is provided with pressure sensor；Be powered connection between display and pressure sensor；Experiment block is connected with dynamometer, and dynamometer is arranged on movable block, and movable block both sides are symmetrically installed with roller, and the mobilizable Matching installation of roller is in chute；The right-hand member of dynamometer is connected with cotton rope, and cotton rope is fixed on take-up pulley, and take-up pulley is arranged on mounting bracket, and one end of take-up pulley is provided with rocking handle, and mounting bracket is fixedly mounted on mounting blocks.The utility model convenient experimental operation, practicality are stronger.
Description
Technical field
It the utility model is related to physical teaching aid for middle school field, and in particular to a kind of Middle School Physics frictional force experiment religion
Tool.
Background technology
Currently, under the trend that the national reform in education constantly promotes implementation, physics teaching gradually adds laboratory
The experiment link content of journey.By Binding experiment and theoretical teaching method, the knowledge of students can not only be made more firm
Gu, additionally it is possible to effectively lift the learning interest of student, make the teaching side based on the uninteresting theory study of physics teaching disengaging tradition
Formula, therefore, the demand of the correlated knowledge point experiment teaching aid of physics teaching are also more and more, and for the special of experimental teaching activity
Teaching aid is then relative to be lacked；The teaching aid of existing many relevant frictional force experiments is not convenient enough using operation, teaching aid special
Compare shortage.
Therefore, based on above-mentioned, the utility model provides a kind of Middle School Physics frictional force experiment teaching aid, passes through experiment teaching aid
Rationally design, meet that frictional force principle is demonstrated and explained to physical teachers in middle school by experiment teaching aid and experimental implementation is demonstrated, with solution
Certainly the shortcomings of the prior art and defect.
Utility model content
The purpose of this utility model is that：For the above mentioned problem that presently, there are, there is provided a kind of Middle School Physics frictional force
Experiment teaching aid, by the rational design of experiment teaching aid, meet that physical teachers in middle school is demonstrated and explained frictional force by experiment teaching aid
Principle and experimental implementation demonstration, to solve the shortcomings of the prior art and defect.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of Middle School Physics frictional force experiment teaching aid, including experimental bench, connected unit and erecting bed；The experimental bench is located at
The left end of connected unit, removably insertion is provided with brassboard for experimental bench upper surface, and experimental bench both sides are symmetrically arranged with baffle plate, and
Chute is provided between brassboard and two side shields；Experiment block is placed with the brassboard, groove is set at the top of experiment block, it is recessed
Groove left end is provided with the display for showing pressure size, and experiment block bottom is provided with pressure sensor；The display with
Be powered connection between pressure sensor；The experiment block is connected with dynamometer by cotton rope, and dynamometer is fixedly mounted on movable block
On, movable block both sides are symmetrically installed with roller, and the mobilizable Matching installation of roller is in chute；The right-hand member of the dynamometer
Cotton rope is connected with, cotton rope is fixed on take-up pulley through connected unit, and take-up pulley is rotatably mounted on mounting bracket, take-up pulley
One end is provided with rocking handle, and the mounting bracket is fixedly mounted on mounting blocks；The experimental bench is internally provided with drawer, described to take out
The brassboard that some sizes are identical but upper table surface roughness is different is placed with drawer.
The utility model is on the one hand by the counterweight of weight or other objects needed for placement inside experiment block, then passing through
Rocking handle rotary wire-reeling wheel is operated, makes cotton rope pull dynamometer to drive movable block movement, roller rolls along chute, realizes dynamometer
Linear motion, then by the frictional force in dynamometer determination experiment block sliding process relative with brassboard, realize that slip rubs
Wipe the demonstration operation of power；
On the other hand, the pressure born experiment block bottom is detected by pressure sensor, pressure is sent to display, by
Display shows pressure value, and the measurement in conjunction with dynamometer acts on, and pressure value and friction value is surveyed at any time
Fixed, it is convenient that the relation checking between frictional force and pressure provides, while also allows for teacher by determining pressure and frictional force number
Value calculates the coefficient of friction of different experiments plate, so as to judge the roughness of different experiments plate upper surface.
Another further aspect, the utility model are easy to teacher to change by the way that the brassboard of different roughness is placed in drawer
Different brassboards are Experimental comparison, make frictional force teaching and experimental demonstration more comprehensively and conveniently, beneficial to student's Binding experiment pair
Theory is verified and understood have preferable practical value, and preferable side is provided for the experimental teaching of physical teachers in middle school
Just.
Preferably, installation is coordinated between the drawer and experimental bench for gap, the outer end of drawer is provided with takes out for pull-out
The wood handle of drawer operation.
Preferably, the connected unit top is provided with the through hole to match with the cotton rope, and cotton rope enters through the through hole
Row is horizontally mounted and the inwall of through hole is smooth inner wall.
Preferably, between the experimental bench, connected unit and erecting bed to be fixedly connected, and the experimental bench, connected unit with
The profile of erecting bed is the rectangular parallelepiped structure of plastic material.
Preferably, the experimental bench upper surface is provided with the mounting groove to match with brassboard, the brassboard and installation
It is that be embedded in installation and the surrounding side wall of brassboard that gap coordinates are smooth surface between groove.
By adopting the above-described technical solution, the beneficial effects of the utility model are：
The utility model is on the one hand by the counterweight of weight or other objects needed for placement inside experiment block, then passing through
Rocking handle rotary wire-reeling wheel is operated, makes cotton rope pull dynamometer to drive movable block movement, roller rolls along chute, realizes dynamometer
Linear motion, then by the frictional force in dynamometer determination experiment block sliding process relative with brassboard, realize that slip rubs
Wipe the demonstration operation of power；
On the other hand, the pressure born experiment block bottom is detected by pressure sensor, pressure is sent to display, by
Display shows pressure value, and the measurement in conjunction with dynamometer acts on, and pressure value and friction value is surveyed at any time
Fixed, it is convenient that the relation checking between frictional force and pressure provides, while also allows for teacher by determining pressure and frictional force number
Value calculates the coefficient of friction of different experiments plate, so as to judge the roughness of different experiments plate upper surface.
Another further aspect, the utility model are easy to teacher to change by the way that the brassboard of different roughness is placed in drawer
Different brassboards are Experimental comparison, make frictional force teaching and experimental demonstration more comprehensively and conveniently, beneficial to student's Binding experiment pair
Theory is verified and understood have preferable practical value, and preferable side is provided for the experimental teaching of physical teachers in middle school
Just.
Brief description of the drawings
Fig. 1 is side structure schematic diagram of the present utility model；
Fig. 2 is overlooking the structure diagram of the present utility model.
In figure：1st, experimental bench；2nd, connected unit；3rd, erecting bed；4th, baffle plate；5th, brassboard；6th, block is tested；7th, display；8、
Pressure sensor；9th, dynamometer；10th, movable block；11st, cotton rope；12nd, take-up pulley；13rd, rocking handle；14th, mounting bracket；15th, drawer；16、
Handle；17th, chute；18th, roller.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments, based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment 1, as shown in Figure 1-2：
A kind of Middle School Physics frictional force experiment teaching aid, including experimental bench 1, connected unit 2 and erecting bed 3；The experimental bench 1
Positioned at the left end of connected unit 2, removably insertion is provided with brassboard 5 to the upper surface of experimental bench 1, and the both sides of experimental bench 1 are symmetrical arranged
There is baffle plate 4, and chute 17 is provided between the side shield 4 of brassboard 5 and two；Experiment block 6, experiment are placed with the brassboard 5
The top of block 6 sets groove, and groove left end is provided with the display 7 for showing pressure size, and experiment block 6 bottom is provided with pressure
Sensor 8；Be powered connection between the display 7 and pressure sensor 8；The experiment block 6 is connected with dynamometry by cotton rope 11
Meter 9, dynamometer 9 is fixedly mounted on movable block 10, and the both sides of movable block 10 are symmetrically installed with roller 18, and the roller 18 is movable
Matching installation in chute 17；The right-hand member of the dynamometer 9 is connected with cotton rope 11, and cotton rope 11 is fixed on receipts through connected unit 2
In line wheel 12, take-up pulley 12 is rotatably mounted on mounting bracket 14, and one end of take-up pulley 12 is provided with rocking handle 13, the installation
Frame 14 is fixedly mounted on mounting blocks；The experimental bench 1 is internally provided with drawer 15, and some chis are placed with the drawer 15
Brassboards 5 very little identical but that upper table surface roughness is different.
The utility model is on the one hand by the counterweight of weight or other objects, Ran Houtong needed for the inside placement of experiment block 6
The rotary wire-reeling wheel 12 of operation rocking handle 13 is crossed, makes cotton rope 11 pull dynamometer 9 to drive movable block 10 to move, roller 18 is along chute 17
Roll, realize the linear motion of dynamometer 9, then by the determination experiment block 6 of dynamometer 9 and brassboard 5 with respect in sliding process
Frictional force, realize the demonstration operation of force of sliding friction；
On the other hand, the pressure born experiment block 6 bottom is detected by pressure sensor 8, pressure is sent to display
7, pressure value is shown by display 7, the measurement in conjunction with dynamometer 9 acts on, and pressure value and friction value can
Determine at any time, it is convenient that the relation checking between frictional force and pressure provides, while also allows for teacher by determining pressure and rubbing
The coefficient of friction of power numerical computations different experiments plate 5 is wiped, so as to judge the roughness of the upper surface of different experiments plate 5.
Another further aspect, the utility model are easy to teacher more by the way that the brassboard 5 of different roughness is placed in drawer 15
Change different brassboards 5 and be Experimental comparison, make frictional force teaching and experimental demonstration more comprehensively and conveniently, beneficial to student's Binding experiment
Verified and understood that there is preferable practical value, provided preferably for the experimental teaching of physical teachers in middle school to theory
It is convenient.
As the preferred scheme of the present embodiment, coordinate installation between the drawer 15 and experimental bench 1 for gap, drawer 15
Outer end is provided with the wood handle 16 for pulling out the operation of drawer 15.
As the preferred scheme of the present embodiment, the top of connected unit 2 is provided with the through hole to match with the cotton rope 11,
Cotton rope 11 is horizontally mounted through the through hole and the inwall of through hole is smooth inner wall.
As the preferred scheme of the present embodiment, to be fixedly connected between the experimental bench 1, connected unit 2 and erecting bed 3, and
The profile of the experimental bench 1, connected unit 2 and erecting bed 3 is the rectangular parallelepiped structure of plastic material.
As the preferred scheme of the present embodiment, the upper surface of experimental bench 1 is provided with the installation to match with brassboard 5
Groove, is the embedded installation of gap cooperation between the brassboard 5 and mounting groove and the surrounding side wall of brassboard 5 is smooth surface.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be wanted with right
The protection domain asked is defined.
Claims (5)
- A kind of 1. Middle School Physics frictional force experiment teaching aid, it is characterised in that：Including experimental bench, connected unit and erecting bed；It is described Experimental bench is located at the left end of connected unit, and removably insertion is provided with brassboard for experimental bench upper surface, and experimental bench both sides are symmetrically set Baffle plate is equipped with, and chute is provided between brassboard and two side shields；Experiment block, experiment block top are placed with the brassboard Groove is set, and groove left end is provided with the display for showing pressure size, and experiment block bottom is provided with pressure sensor；Institute State the connection that is powered between display and pressure sensor；The experiment block is connected with dynamometer by cotton rope, and dynamometer fixes peace On movable block, movable block both sides are symmetrically installed with roller, and the mobilizable Matching installation of roller is in chute；The survey The right-hand member of power meter is connected with cotton rope, and cotton rope is fixed on take-up pulley through connected unit, and take-up pulley is rotatably mounted to mounting bracket On, one end of take-up pulley is provided with rocking handle, and the mounting bracket is fixedly mounted on mounting blocks；The experimental bench is internally provided with Drawer, the brassboard that some sizes are identical but upper table surface roughness is different is placed with the drawer.
- A kind of 2. Middle School Physics frictional force experiment teaching aid as claimed in claim 1, it is characterised in that：The drawer and experimental bench Between for gap coordinate installation, the outer end of drawer is provided with the wood handle for pulling out drawer operation.
- A kind of 3. Middle School Physics frictional force experiment teaching aid as claimed in claim 1, it is characterised in that：The connected unit top is set The through hole to match with the cotton rope is equipped with, cotton rope is horizontally mounted through the through hole and the inwall of through hole is smooth interior Wall.
- A kind of 4. Middle School Physics frictional force experiment teaching aid as claimed in claim 1, it is characterised in that：The experimental bench, connection To be fixedly connected between platform and erecting bed, and the profile of the experimental bench, connected unit and erecting bed is the rectangular of plastic material Body structure.
- A kind of 5. Middle School Physics frictional force experiment teaching aid as claimed in claim 1, it is characterised in that：The experimental bench upper surface The mounting groove to match with brassboard is provided with, the embedded installation and experiment coordinated between the brassboard and mounting groove for gap The surrounding side wall of plate is smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720468136.4U CN206946782U (en) | 2017-04-29 | 2017-04-29 | A kind of Middle School Physics frictional force experiment teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720468136.4U CN206946782U (en) | 2017-04-29 | 2017-04-29 | A kind of Middle School Physics frictional force experiment teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206946782U true CN206946782U (en) | 2018-01-30 |
Family
ID=61359974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720468136.4U Expired - Fee Related CN206946782U (en) | 2017-04-29 | 2017-04-29 | A kind of Middle School Physics frictional force experiment teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206946782U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036018A (en) * | 2018-09-12 | 2018-12-18 | 郑云天 | A kind of physical mechanics apparatus for demonstrating |
| CN109741665A (en) * | 2019-03-02 | 2019-05-10 | 马心乔 | A kind of physics experiment teaching friction testing system |
| CN115171488A (en) * | 2022-09-08 | 2022-10-11 | 哈尔滨工程大学 | Uniform force application device for physical mechanics experiment |
-
2017
- 2017-04-29 CN CN201720468136.4U patent/CN206946782U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036018A (en) * | 2018-09-12 | 2018-12-18 | 郑云天 | A kind of physical mechanics apparatus for demonstrating |
| CN109741665A (en) * | 2019-03-02 | 2019-05-10 | 马心乔 | A kind of physics experiment teaching friction testing system |
| CN115171488A (en) * | 2022-09-08 | 2022-10-11 | 哈尔滨工程大学 | Uniform force application device for physical mechanics experiment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206946782U (en) | A kind of Middle School Physics frictional force experiment teaching aid | |
| CN206805871U (en) | A kind of high school physicses friction force demonstration contrast experiment's device | |
| CN206789143U (en) | A kind of Middle School Physics teaching aid for buoyancy of object measurement | |
| CN206451432U (en) | A kind of high school physicses friction force demonstration device | |
| CN107578677A (en) | A kind of frictional force experimental teaching unit | |
| CN204010435U (en) | Force of sliding friction demonstration instrument for teaching | |
| CN206726586U (en) | A kind of friction experiment device | |
| CN206497656U (en) | A kind of physics facility | |
| CN107993535A (en) | A kind of physical study friction force demonstration device | |
| CN205068912U (en) | Mathematical education display unit of primary school utensil | |
| CN210062486U (en) | Analytic show shelf of intelligence mathematics and applied mathematics difficult problem | |
| CN113119044A (en) | Workbench for detecting new corona vaccine sample and using method | |
| CN208351771U (en) | Strain gauge measurement multifunctional combination testing stand | |
| CN201638425U (en) | Friction demonstrator | |
| CN206975885U (en) | A kind of mechanics apparatus for demonstrating | |
| CN202584500U (en) | Frictional force demonstrator with amplification indication function | |
| CN206685011U (en) | A kind of special physical experiment table of new high school student | |
| CN207052163U (en) | A kind of assembly pulley teaching aid | |
| CN206546673U (en) | A kind of computer-assisted instruction multi-function test stand | |
| CN206649775U (en) | A kind of physics teaching experiment instrument | |
| CN212311955U (en) | Clamping device for cloth testing | |
| CN103578330B (en) | Friction force exploring instrument | |
| CN204732061U (en) | A kind of motor installation and checkout comprehensive training device | |
| CN107837525A (en) | A kind of College Students ' Quality Expansion trains Special testing device | |
| CN205281914U (en) | Digital sliding friction power experiment appearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20180429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |