CN108399837A - A kind of interested testing device of demonstration friction action - Google Patents
A kind of interested testing device of demonstration friction action Download PDFInfo
- Publication number
- CN108399837A CN108399837A CN201710276268.1A CN201710276268A CN108399837A CN 108399837 A CN108399837 A CN 108399837A CN 201710276268 A CN201710276268 A CN 201710276268A CN 108399837 A CN108399837 A CN 108399837A
- Authority
- CN
- China
- Prior art keywords
- fixed plate
- brake pad
- plate
- tensiometer
- testing device
- 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
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
Abstract
The invention discloses a kind of interested testing devices of demonstration friction action, including antiskid plate, the top of the antiskid plate is disposed with the first fixed plate and the second fixed plate from left to right, and the right side at the top of left side and the second fixed plate at the top of first fixed plate has been respectively fixedly connected with starting stave and the second riser.The present invention is by being arranged the first fixed plate, scale, head rod, first connecting plate, first brake pad, second fixed plate, second brake pad, second connecting plate, second connecting rod, second tensiometer, second link, second riser, starting stave, first tensiometer and the first link, solve the problems, such as that the interested testing device of existing demonstration friction action person inconvenient to use uses, the interested testing device of the demonstration friction action, has user-friendly advantage, make the more intuitive of student viewing, improve the learning interest of student, improve the efficiency of giving lessons of user.
Description
Technical field
The present invention relates to teaching aid technical field, specially a kind of interested testing device of demonstration friction action.
Background technology
The power of relative motion of object (or relative motion trend) is hindered to be called frictional force, the direction of frictional force is opposite with object
The direction of (or relative motion trend) is moved on the contrary, frictional force is divided into stiction, rolling friction, three kinds, one of sliding friction
Object generates the friction for hindering their relative motions when another body surface slides between contact surface, referred to as sliding rubs
It wipes, the size of force of sliding friction is related with the size of the degree of roughness of contact surface and pressure size, and pressure is bigger, object contact surface
More coarse, the force of sliding friction of generation is bigger, and the method for increasing favorable friction has：Increase pressure, increase the coarse of contact surface
Degree, size of pressure etc., the method for reducing harmful friction have：1. reducing, 2. pressure makes object and contact surface is smooth 3. makes object
4. body is detached with contact surface becomes sliding as rolling etc..
User needs to use experimental provision when friction force demonstration is imparted knowledge to students, and helps student quickly to understand and rubs
Power is wiped, existing demonstration friction during use, can not allow student to see very intuitive, therefore can drop with experimental provision
The enthusiasm of low student's study, while can also reduce the efficiency of giving lessons of user.
Invention content
The purpose of the present invention is to provide a kind of interested testing devices of demonstration friction action, have convenient for users to making
With the advantages of, solve the problems, such as that the interested testing device of existing demonstration friction action person inconvenient to use uses.
To achieve the above object, the present invention provides the following technical solutions：A kind of Interesting Tests dress of demonstration friction action
It sets, including antiskid plate, the top of the antiskid plate is disposed with the first fixed plate and the second fixed plate from left to right, and described
The right side at the top of left side and the second fixed plate at the top of one fixed plate has been respectively fixedly connected with starting stave and the second riser, described
The bottom of starting stave and the second riser opposite side has been respectively fixedly connected with the first link and the second link, first link
It is respectively arranged with the first tensiometer and the second tensiometer with side of second link far from starting stave and the second riser, described
One tensiometer and the opposite side of the second tensiometer are respectively arranged with head rod and the second connecting rod, the head rod
The side opposite with the second connecting rod has been respectively fixedly connected with the first connecting plate and the second connecting plate, first connecting plate and
The opposite side of two connecting plates has been respectively fixedly connected with the first brake pad and the second brake pad.
Preferably, the front surface of first fixed plate and the second fixed plate is both provided with scale.
Preferably, the top of the antiskid plate is solid by fixing piece with the junction of the first fixed plate and the second fixed plate
Fixed connection, the bottom of the antiskid plate is provided with anti-skid chequer.
Preferably, the bottom of first brake pad and the second brake pad respectively with the first fixed plate and the second fixed plate
Top is in close contact.
Preferably, first brake pad and the second brake pad is identical in quality.
Compared with prior art, beneficial effects of the present invention are as follows：
1, the present invention is by being arranged the first fixed plate, scale, head rod, the first connecting plate, the first brake pad, second
Fixed plate, the second brake pad, the second connecting plate, the second connecting rod, the second tensiometer, the second link, the second riser, first are erected
Plate, the first tensiometer and the first link solve the interested testing device person inconvenient to use of existing demonstration friction action
The problem of use, the interested testing device of the demonstration friction action have user-friendly advantage, make student viewing
It is more intuitive, improve the learning interest of student, improve the efficiency of giving lessons of user, be worthy to be popularized.
2, the present invention increases the stability when experimental provision uses, by the way that scale, side is arranged by the way that antiskid plate is arranged
Just user checks the displacement distance of the first brake pad and the second brake pad, by the way that the first tensiometer and the second tensiometer is arranged,
Convenient for users to checking the size of frictional force, by the way that the first brake pad and the second brake pad is arranged, when two measured objects
It is identical in quality, when contact area is different, convenient for users to frictional force is understood more intuitively.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the side view of structure of the invention.
In figure：1 antiskid plate, 2 first fixed plates, 3 scales, 4 head rods, 5 first connecting plates, 6 first brake pads, 7
Second fixed plate, 8 second brake pads, 9 second connecting plates, 10 second connecting rods, 11 second tensiometers, 12 second links, 13
Two risers, 14 starting staves, 15 first tensiometers, 16 first links.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, a kind of interested testing device of demonstration friction action, including antiskid plate 1, it is anti-skidding by being arranged
Plate 1 increases the stability when experimental provision uses, and the top of antiskid plate 1 is disposed with the first fixed plate 2 from left to right
With the second fixed plate 7, the front surface of the first fixed plate 2 and the second fixed plate 7 is both provided with scale 3, by the way that scale 3, side is arranged
Just user checks the displacement distance of the first brake pad 6 and the second brake pad 8, the top of antiskid plate 1 and the first fixed plate 2 and the
The junction of two fixed plates 7 is fixedly connected by fixing piece, and the bottom of antiskid plate 1 is provided with anti-skid chequer, the first fixed plate 2 top
The right side at 7 top of the left side in portion and the second fixed plate has been respectively fixedly connected with starting stave 14 and the second riser 13, starting stave
14 and the bottom of 13 opposite side of the second riser be respectively fixedly connected with the first link 16 and the second link 12,16 He of the first link
Side of second link 12 far from starting stave 14 and the second riser 13 is respectively arranged with the first tensiometer 15 and the second tensiometer
11, by the way that the first tensiometer 15 and the second tensiometer 11 is arranged, convenient for users to checking the size of frictional force, the first tensiometer 15
Opposite side is respectively arranged with head rod 4 and the second connecting rod 10, head rod 4 and second with the second tensiometer 11
The opposite side of connecting rod 10 has been respectively fixedly connected with the first connecting plate 5 and the second connecting plate 9, and the first connecting plate 5 and second connects
The opposite side of fishplate bar 9 has been respectively fixedly connected with the first brake pad 6 and the second brake pad 8, by the way that the first brake pad 6 and the is arranged
Two brake pads 8, when two measured mass of object are identical, and contact area is different, convenient for users to being understood more intuitively
Identical in quality, the bottom difference of the first brake pad 6 and the second brake pad 8 of frictional force, the first brake pad 6 and the second brake pad 8
It is in close contact with the top of the first fixed plate 2 and the second fixed plate 7.
In use, user pulls the first brake pad 6 and the second brake pad 8 manually to intermediate, then by the first brake pad 6
The top of the first fixed plate 2 and the second fixed plate 7 is individually positioned in the second brake pad 8, the first brake pad 6 and second rubs at this time
Cleaning block 8 can move a certain distance under the pulling of the first tensiometer 15 and the second tensiometer 11, when the first brake pad 6 and
When two brake pads 8 stop mobile, user can check the first friction respectively according to the first tensiometer 15 and the second tensiometer 11
The frictional force of block 6 and the second brake pad 8 checks the displacement distance of the first brake pad 6 and the second brake pad 8 by scale 3 respectively.
In summary：The interested testing device of the demonstration friction action, by the way that the first fixed plate 2, scale 3, the is arranged
One connecting rod 4, the first connecting plate 5, the first brake pad 6, the second fixed plate 7, the second brake pad 8, the second connecting plate 9, second connect
Extension bar 10, the second tensiometer 11, the second link 12, the second riser 13, starting stave 14, the first tensiometer 15 and the first link
16, solve the problems, such as that the interested testing device of existing demonstration friction action person inconvenient to use uses.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of interested testing device of demonstration friction action, including antiskid plate (1), it is characterised in that：The antiskid plate (1)
Top be disposed with the first fixed plate (2) and the second fixed plate (7) from left to right, at the top of first fixed plate (2)
Right side at the top of left side and the second fixed plate (7) has been respectively fixedly connected with starting stave (14) and the second riser (13), and described
The bottom of one riser (14) and the second riser (13) opposite side has been respectively fixedly connected with the first link (16) and the second link
(12), the side of first link (16) and the second link (12) far from starting stave (14) and the second riser (13) is set respectively
Be equipped with the first tensiometer (15) and the second tensiometer (11), first tensiometer (15) and the second tensiometer (11) it is opposite one
Side is respectively arranged with head rod (4) and the second connecting rod (10), the head rod (4) and the second connecting rod (10) phase
To side be respectively fixedly connected with the first connecting plate (5) and the second connecting plate (9), first connecting plate (5) and second connects
The opposite side of fishplate bar (9) has been respectively fixedly connected with the first brake pad (6) and the second brake pad (8).
2. a kind of interested testing device of demonstration friction action according to claim 1, it is characterised in that：Described first
The front surface of fixed plate (2) and the second fixed plate (7) is both provided with scale (3).
3. a kind of interested testing device of demonstration friction action according to claim 1, it is characterised in that：It is described anti-skidding
The top of plate (1) is fixedly connected by fixing piece with the junction of the first fixed plate (2) and the second fixed plate (7), described anti-
The bottom of slide plate (1) is provided with anti-skid chequer.
4. a kind of interested testing device of demonstration friction action according to claim 1, it is characterised in that：Described first
Top of the bottom of brake pad (6) and the second brake pad (8) respectively with the first fixed plate (2) and the second fixed plate (7) closely connects
It touches.
5. a kind of interested testing device of demonstration friction action according to claim 1, it is characterised in that：Described first
Brake pad (6) and the second brake pad (8) it is identical in quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710276268.1A CN108399837A (en) | 2017-04-25 | 2017-04-25 | A kind of interested testing device of demonstration friction action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710276268.1A CN108399837A (en) | 2017-04-25 | 2017-04-25 | A kind of interested testing device of demonstration friction action |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108399837A true CN108399837A (en) | 2018-08-14 |
Family
ID=63094291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710276268.1A Pending CN108399837A (en) | 2017-04-25 | 2017-04-25 | A kind of interested testing device of demonstration friction action |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108399837A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1151527A (en) * | 1966-08-10 | 1969-05-07 | Richard Whittington Friedel | Improvements in and relating to Tape Recorder Sound Systems |
| CN2687764Y (en) * | 2003-12-11 | 2005-03-23 | 李彤 | Static-dynamic friction force demonstrating instrument |
| CN202084224U (en) * | 2011-05-25 | 2011-12-21 | 李茂喜 | Friction force testing instrument |
| CN203659287U (en) * | 2014-01-25 | 2014-06-18 | 葛孚明 | Physical experiment apparatus used for probing factors influencing magnitude of sliding friction force |
-
2017
- 2017-04-25 CN CN201710276268.1A patent/CN108399837A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1151527A (en) * | 1966-08-10 | 1969-05-07 | Richard Whittington Friedel | Improvements in and relating to Tape Recorder Sound Systems |
| CN2687764Y (en) * | 2003-12-11 | 2005-03-23 | 李彤 | Static-dynamic friction force demonstrating instrument |
| CN202084224U (en) * | 2011-05-25 | 2011-12-21 | 李茂喜 | Friction force testing instrument |
| CN203659287U (en) * | 2014-01-25 | 2014-06-18 | 葛孚明 | Physical experiment apparatus used for probing factors influencing magnitude of sliding friction force |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180814 |
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| RJ01 | Rejection of invention patent application after publication |