CN109166419A - A kind of physics teaching friction experiment device - Google Patents
A kind of physics teaching friction experiment device Download PDFInfo
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- CN109166419A CN109166419A CN201811169692.7A CN201811169692A CN109166419A CN 109166419 A CN109166419 A CN 109166419A CN 201811169692 A CN201811169692 A CN 201811169692A CN 109166419 A CN109166419 A CN 109166419A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 38
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000003746 surface roughness Effects 0.000 claims abstract description 6
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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Abstract
The invention discloses a kind of physics teaching friction experiment devices, including pedestal, friction plate is hinged in the middle part of the pedestal, the friction plate is three, at left side of three friction plates all in pedestal, the surface roughness of three friction plates upward is different, at right side of three friction plates all in pedestal, the surface roughness of three friction plates upward is identical, the two sides of the pedestal are fitted with angle modulation cylinder corresponding with friction plate, the angle modulation cylinder is vertically arranged, quarter butt is fixedly installed at the top of the angle modulation cylinder, it is equipped on the quarter butt and turns rod, the two sides on the friction plate top is fitted with clamping manipulator, the clamping machine is clamped with sliding block on hand.Friction experiment device of the invention is easy to operate, the design application of clamping manipulator, facilitates three sliding blocks while sliding, and is compared by designing three groups of experiments, experimental result is very clear.
Description
Technical field
The present invention relates to experiment device for teaching technical field more particularly to a kind of physics teaching friction experiment devices.
Background technique
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
Move the contrary of (or relative motion trend);Frictional force is divided into stiction, rolling friction, three kinds of sliding friction, and one
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 and pressure size of the degree of roughness of the size and contact surface of force of sliding friction are related, and pressure is bigger, object contact surface
More coarse, the force of sliding friction of generation is bigger.
With the raising of level of education, requirement of the school to quality of instruction is also higher and higher, for physics teaching, religion
Teacher would generally select to make the better learning physics of student by the method for experiment, and middle school student make student to physics by testing
Knowledge can be better understood, and can deepen student to the impression of Physical Experiment, in order to improve the space imagination of student
Ability and manipulative ability.However the teaching aid of existing many related frictional force experiments is not convenient enough using operation, teaching aid special
Also compare shortage.How to design it is a kind of it is easy to operate, to facilitate the physics teaching of observation with friction experiment device be institute of the present invention
Technical problems to be solved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of physics teaching frictional force that is easy to operate, facilitating observation
Experimental provision.
The present invention is realized by following technological means solves above-mentioned technical problem:
A kind of physics teaching friction experiment device, including pedestal are hinged with friction plate in the middle part of the pedestal, and described rubs
Wiping board is three, and at left side of three friction plates all in pedestal, the surface roughness of three friction plates upward is different, three
A friction plate all in pedestal right side when, the surface roughness of three friction plates upward is identical, and the two sides of the pedestal are all pacified
Equipped with angle modulation cylinder corresponding with friction plate, the angle modulation cylinder is vertically arranged, and the top of the angle modulation cylinder is fixedly mounted
There is quarter butt, be equipped on the quarter butt and turn rod, the two sides on the friction plate top is fitted with clamping manipulator, the clamping machine
Tool is clamped with sliding block on hand, and the clamping manipulator includes two fixed plates being oppositely arranged, and two fixed plates are all fixed on
On friction plate, gripper cylinder is installed, the movable end of the gripper cylinder is equipped with movable block, described to lean between two fixed plates
Supporting rod is hinged in the fixed plate of nearly movable block, the supporting rod is two and is symmetrically set to the two sides of movable block, institute
State and be connected with connecting plate between movable block and the supporting rod of its two sides, the both ends of the connecting plate respectively with movable block and supporting rod
Hingedly, the sliding block is held between two supporting rods.
Preferably, a kind of physics teaching friction experiment device, friction plate bottom end two sides are fitted with
Short axle is equipped with mounting plate corresponding with short axle on the pedestal, and the short axle is mounted on its corresponding mounting plate, described to rub
Wiping board is by the coordination hinge of short axle and mounting plate on pedestal.
Preferably, a kind of physics teaching friction experiment device, on the pedestal installation there are three angle scale,
The corresponding side for being set to three friction plates of three angle scales.
Preferably, a kind of physics teaching friction experiment device, the gripper cylinder of three friction plate the same sides
For synchronizing cylinder, the two sides of pedestal are fitted with gripper cylinder control switch.
The present invention has the advantages that friction experiment device of the invention does not need complicated operation with regard to achievable frictional force
With the experiment of the degree of roughness and pressure size relationship of contact surface, the design application of clamping manipulator facilitates three sliding blocks simultaneously
It slides, solves the problems, such as that a student is difficult to control three sliding blocks while sliding, compared by designing three groups of experiments, it is real
It tests that result is very clear, facilitates observation of the student to experimental result, deepen understanding of the student to knowledge of textbook.
Further, all corresponding established angle scale in the side of three friction plates adjusts three friction plates in angle modulation cylinder
When angle, the tilt angle of each friction plate can be read by angle scale, it is convenient that angular adjustment is carried out to three friction plates.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is main view of the invention.
Fig. 3 is the structural schematic diagram of clamping manipulator of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The middle part of a kind of physics teaching friction experiment device, including pedestal 1, the pedestal 1 is hinged with friction plate 2,
The friction plate 2 is three, and at left side of three friction plates 2 all in pedestal 1, the one side of three friction plates 2 upward is thick
Rugosity is different, and at right side of three friction plates 2 all in pedestal 1, the surface roughness of three friction plates 2 upward is identical, institute
The two sides for stating pedestal 1 are fitted with to be vertically arranged with the corresponding angle modulation cylinder 3 of friction plate 2, the angle modulation cylinder 3, the tune
The top of angle cylinder 3 is fixedly installed with quarter butt 4, is equipped on the quarter butt 4 and turns rod 5, and the two sides on 2 top of friction plate is all pacified
Equipped with clamping manipulator 6, sliding block 7 is clamped on the clamping manipulator 6, the clamping manipulator 6 includes two and is oppositely arranged
Fixed plate 8, and two fixed plates 8 are all fixed on friction plate 2, and gripper cylinder 9 is equipped between two fixed plates 8, described
The movable end of gripper cylinder 9 is equipped with movable block 10, is hinged with supporting rod 11, institute in the fixed plate 8 of the close movable block 10
Supporting rod 11 is stated to be two and be symmetrically set to the two sides of movable block 10, the supporting rods 11 of the movable block 10 and its two sides it
Between be connected with connecting plate 12, the both ends of the connecting plate 12 are hinged with movable block 10 and supporting rod 11 respectively, and the sliding block 7 clamps
Between two supporting rods 11.
In actual experiment, three friction plates are divided into the six experiment faces a, b, c, d, e, f, and wherein a, b, c are three frictions
The experiment face of plate phase the same side, and the roughness in a, b, c tri- experiment faces is different, d, e, f are three friction plate phase the same sides
Experiment face, and the roughness in d, e, f tri- experiment faces is identical;It, will when testing the relationship of the degree of roughness of frictional force and contact surface
Three friction plates are all adjusted to the left side of pedestal, and a, b, c tri- experiments at this time up, are then rubbed three by angle modulation cylinder
The tilt angle of plate is adjusted unanimously, and three identical sliding blocks are then clamped in clamping machine on hand respectively, then control clamping
Manipulator unclamps sliding block, the motion conditions of three sliding blocks of observation and record;When the relationship of experiment frictional force and pressure size, by three
A friction plate is all adjusted to the right side of pedestal, and d, e, f tri- experiments at this time up, then pass through angle modulation cylinder for three friction plates
Tilt angle be adjusted to difference, three identical sliding blocks are then clamped in clamping machine on hand respectively, then control clamping
Manipulator unclamps sliding block, the motion conditions of three sliding blocks of observation and record;Friction experiment device of the invention does not need complexity
Operation with regard to the experiment of achievable frictional force and the degree of roughness and pressure size relationship of contact surface, the design of clamping manipulator answers
With facilitating three sliding blocks while sliding, solve the problems, such as that a student is difficult to control and three sliding blocks while sliding, pass through design
Three groups of experiments compare, and experimental result is very clear, facilitate observation of the student to experimental result, deepen student to knowledge of textbook
Understanding.
Preferably, the 2 bottom end two sides of friction plate are fitted with short axle 13, and it is right with short axle 13 to be equipped on the pedestal 1
The mounting plate 14 answered, the short axle 13 are mounted on its corresponding mounting plate 14, and the friction plate 2 passes through short axle 13 and mounting plate
14 coordination hinge is on pedestal 1.
Friction plate is hinged on pedestal by short axle and mounting plate, and activity is convenient, easily controllable.
Preferably, there are three angle scales 15 for installation on the pedestal 1, and three angle scales 15 are corresponding to be set to three
The side of friction plate 2.
The all corresponding established angle scale in the side of three friction plates, when angle modulation cylinder adjusts the angle of three friction plates,
The tilt angle of each friction plate can be read by angle scale, it is convenient that angular adjustment is carried out to three friction plates.
Preferably, the gripper cylinder 9 of three 2 the same sides of friction plate is synchronizing cylinder, and the two sides of pedestal 1 are fitted with clamping
Cylinder control switch 16.
The gripper cylinder of three friction plate the same sides is designed as synchronizing cylinder, is controlled, is being tested by a control switch
When, controllable three sliding blocks slide simultaneously, and experimental precision is high.
Friction experiment device of the invention does not need complicated operation with regard to the coarse journey of achievable frictional force and contact surface
The experiment of degree and pressure size relationship, the design application of clamping manipulator facilitate three sliding blocks while sliding, and solve
The raw problem for being difficult to control three sliding blocks and sliding simultaneously, is compared by designing three groups of experiments, and experimental result is very clear, side
Just understanding of the student to knowledge of textbook is deepened in observation of the student to experimental result;Further, the side of three friction plates is all corresponding
Established angle scale, angle modulation cylinder adjust three friction plates angle when, inclining for each friction plate can be read by angle scale
Rake angle, it is convenient that angular adjustment is carried out to three friction plates.
It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (4)
1. a kind of physics teaching friction experiment device, it is characterised in that: including pedestal, be hinged with and rub in the middle part of the pedestal
Wiping board, the friction plate are three, and at left side of three friction plates all in pedestal, the one side of three friction plates upward is thick
Rugosity is different, and at right side of three friction plates all in pedestal, the surface roughness of three friction plates upward is identical, the bottom
The two sides of seat are fitted with angle modulation cylinder corresponding with friction plate, and the angle modulation cylinder is vertically arranged, the angle modulation cylinder
Top is fixedly installed with quarter butt, is equipped on the quarter butt and turns rod, and the two sides on the friction plate top is fitted with clamping machine
Hand, the clamping machine are clamped with sliding block on hand, and the clamping manipulator includes two fixed plates being oppositely arranged, and two solid
Fixed board is all fixed on friction plate, and gripper cylinder is equipped between two fixed plates, and the movable end of the gripper cylinder is equipped with
Movable block, supporting rod is hinged in the fixed plate of the close movable block, and the supporting rod is two and is symmetrically set to work
The two sides of motion block, are connected with connecting plate between the movable block and the supporting rod of its two sides, the both ends of the connecting plate respectively and
Movable block and supporting rod are hinged, and the sliding block is held between two supporting rods.
2. a kind of physics teaching friction experiment device according to claim 1, it is characterised in that: the friction plate bottom
End two sides are fitted with short axle, mounting plate corresponding with short axle are equipped on the pedestal, it is corresponding that the short axle is mounted on its
On mounting plate, the friction plate is by the coordination hinge of short axle and mounting plate on pedestal.
3. a kind of physics teaching friction experiment device according to claim 1, it is characterised in that: pacify on the pedestal
There are three angle scale, the corresponding sides for being set to three friction plates of three angle scales for dress.
4. a kind of physics teaching friction experiment device according to claim 1, it is characterised in that: three friction plates are same
The gripper cylinder of side is synchronizing cylinder, and the two sides of pedestal are fitted with gripper cylinder control switch.
Priority Applications (1)
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CN201811169692.7A CN109166419A (en) | 2018-10-08 | 2018-10-08 | A kind of physics teaching friction experiment device |
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CN201811169692.7A CN109166419A (en) | 2018-10-08 | 2018-10-08 | A kind of physics teaching friction experiment device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109935141A (en) * | 2019-04-02 | 2019-06-25 | 田家地 | A kind of high school physics friction force demonstration device |
CN111462596A (en) * | 2020-01-22 | 2020-07-28 | 南宁学院 | Friction experiment demonstration device for physics experiments |
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CN203659287U (en) * | 2014-01-25 | 2014-06-18 | 葛孚明 | Physical experiment apparatus used for probing factors influencing magnitude of sliding friction force |
CN105773601A (en) * | 2016-05-27 | 2016-07-20 | 新昌县宇扬机械有限公司 | Pneumatic clamp |
CN206601860U (en) * | 2016-07-20 | 2017-10-31 | 李直幸 | Friction experiment device and force resolution teaching aid |
CN206805871U (en) * | 2017-04-25 | 2017-12-26 | 侯波 | A kind of high school physicses friction force demonstration contrast experiment's device |
CN207473910U (en) * | 2017-08-11 | 2018-06-08 | 谭文惠 | A kind of high school physics friction force demonstration device |
CN210039298U (en) * | 2018-10-08 | 2020-02-07 | 管以雍 | Frictional force experimental apparatus for physics teaching |
-
2018
- 2018-10-08 CN CN201811169692.7A patent/CN109166419A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203659287U (en) * | 2014-01-25 | 2014-06-18 | 葛孚明 | Physical experiment apparatus used for probing factors influencing magnitude of sliding friction force |
CN105773601A (en) * | 2016-05-27 | 2016-07-20 | 新昌县宇扬机械有限公司 | Pneumatic clamp |
CN206601860U (en) * | 2016-07-20 | 2017-10-31 | 李直幸 | Friction experiment device and force resolution teaching aid |
CN206805871U (en) * | 2017-04-25 | 2017-12-26 | 侯波 | A kind of high school physicses friction force demonstration contrast experiment's device |
CN207473910U (en) * | 2017-08-11 | 2018-06-08 | 谭文惠 | A kind of high school physics friction force demonstration device |
CN210039298U (en) * | 2018-10-08 | 2020-02-07 | 管以雍 | Frictional force experimental apparatus for physics teaching |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109935141A (en) * | 2019-04-02 | 2019-06-25 | 田家地 | A kind of high school physics friction force demonstration device |
CN111462596A (en) * | 2020-01-22 | 2020-07-28 | 南宁学院 | Friction experiment demonstration device for physics experiments |
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