CN207425180U - A kind of friction experiment device - Google Patents
A kind of friction experiment device Download PDFInfo
- Publication number
- CN207425180U CN207425180U CN201720857978.9U CN201720857978U CN207425180U CN 207425180 U CN207425180 U CN 207425180U CN 201720857978 U CN201720857978 U CN 201720857978U CN 207425180 U CN207425180 U CN 207425180U
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- CN
- China
- Prior art keywords
- casing
- conveyor shaft
- motor
- conveyer belt
- belt
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- 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.)
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Abstract
The utility model discloses a kind of friction experiment devices, including casing, motor and fixed link, the lower right of the casing is provided with support feet, and casing upper left side is provided with the first conveyor shaft, the casing upper right side is provided with the second conveyor shaft, and second is connected with conveyer belt between conveyor shaft and the first conveyor shaft, the motor is fixed on the right side of the first conveyor shaft, and belt pulley is provided on motor, the sliding block is positioned over the top of conveyer belt, control panel is provided in front of the casing, motor switch and governor are respectively arranged at left and right sides of the control panel.The friction experiment device, the size of the tractive force of motor is adjusted by governor, convenient for the maximal friction and the size of force of sliding friction between measurement sliding block and conveyer belt, and the device rotates the movement instead of sliding block using conveyer belt, testing stand area has been saved, has easily facilitated the experimental implementation of student.
Description
Technical field
The utility model is related to experimental provision technical fields, are specially a kind of friction experiment device.
Background technology
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 are by testing to make student to physics
Knowledge can be better understood from, and can deepen impression of the student to Physical Experiment, in order to improve the space imagination of student
Ability and manipulative ability nowadays for the sliding block Friction Force test in Physical Experiment, are selected weight beam mostly
It is connected on sliding block, is then pulled manually, maximal friction experiment and movable Friction Force test are carried out to sliding block, by
Sliding block is pulled in manually mode, speed is sometimes fast and sometimes slow when pulling, and the registration for making weight beam is not accurate enough, inconvenient
In measurement of the student to frictional force, and when maximal friction measurement is carried out to sliding block, due to applying pulling force manually, make
It is not enough uniformly to obtain the increase of pulling force size, is not easy to the maximal friction of measurement sliding block.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of friction experiment device
Speed is sometimes fast and sometimes slow when pulling, and makes the registration of weight beam not accurate enough and manual application pulling force so that pulling force is big
Small increase is not enough uniformly, the problem of being not easy to measure the maximal friction of sliding block.
To achieve the above object, the utility model provides following technical solution:A kind of friction experiment device, including machine
Shell, motor and fixed link, the lower right of the casing is provided with support feet, and casing upper left side is provided with the first conveyor shaft,
The casing upper right side is provided with the second conveyor shaft, and transmission is connected between the second conveyor shaft and the first conveyor shaft
Band, the motor is fixed on the right side of the first conveyor shaft, and belt pulley is provided on motor, the belt pulley and the first conveyer belt
Belt is connected between axis, the fixed link is fixed on the right side of casing, and is connected with weight beam on the left of fixed link, described
It is connected on the left of weight beam with hook, and hook is arranged on the right side of sliding block, the sliding block is positioned over the top of conveyer belt, institute
It states and control panel is provided in front of casing, motor switch and governor are respectively arranged at left and right sides of the control panel.
Preferably, first conveyor shaft includes conveying trough and belt grooves, and belt grooves are arranged in conveying trough
Between position.
Preferably, the width of the conveyer belt and the width of conveying trough are equal in magnitude, and the thickness of conveyer belt and transmission
The depth size of trough of belt is equal.
Preferably, the fixed link is arranged among the left side of casing, and is welding between fixed link and casing.
Preferably, the weight beam is horizontal positioned.
Preferably, the control panel and the slanted angle on vertical direction are 45 °.
Compared with prior art, the beneficial effects of the utility model are：The friction experiment device is provided with conveyer belt, adopts
The movement instead of sliding block is rotated with conveyer belt, the velocity of rotation of conveyer belt is more stable, makes between sliding block and weight beam
Pulling force size is relatively stable, is tested convenient for the size to force of sliding friction, is additionally provided with governor, passes through governor pair
The size of the tractive force of motor is adjusted, and enables the tractive force of motor gradually increase, therefore sliding block and weight beam
Between the size of pulling force constantly increasing, convenient for the maximal friction between measurement sliding block and conveyer belt, and the device
Movement instead of sliding block is rotated using conveyer belt, testing stand area has been saved, has easily facilitated the experimental implementation of student.
Description of the drawings
Fig. 1 is the utility model main structure diagram；
Fig. 2 is the utility model main view cross-sectional view；
Fig. 3 is the utility model side structure schematic view；
Fig. 4 is the utility model the first conveyor shaft structure diagram.
In figure：1st, casing, 2, support feet, the 3, first conveyor shaft, 301, conveying trough, 302, belt grooves, 4, second passes
Supply roll, 5, conveyer belt, 6, motor, 7, belt pulley, 8, belt, 9, fixed link, 10, weight beam, 11, sliding block, 12, hang
Hook, 13, control panel, 14, motor switch, 15, governor.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of friction experiment device, including casing 1,
Support feet 2, the first conveyor shaft 3, the second conveyor shaft 4, conveyer belt 5, motor 6, belt pulley 7, belt 8, fixed link 9, spring
Dynamometer 10, sliding block 11, hook 12, control panel 13, motor switch 14 and governor 15, the lower right of casing 1 are provided with support
Foot 2, and 1 upper left side of casing is provided with the first conveyor shaft 3, first conveyor shaft 3 includes conveying trough 301 and belt grooves
302, belt grooves 302 are arranged at the centre position of conveying trough 301, and convenient for conveyer belt 5 is driven to rotate, 1 upper right side of casing is set
There is the second conveyor shaft 4, and conveyer belt 5, the width of conveyer belt 5 are connected between the second conveyor shaft 4 and the first conveyor shaft 3
It is equal in magnitude with the width of conveying trough 301, and the thickness of conveyer belt 5 is equal with the depth size of conveying trough 301, it can more one
Step is conducive to the rotation of conveyer belt 5, and motor 6 is fixed on 3 right side of the first conveyor shaft, and belt pulley 7, skin are provided on motor 6
Belt 8 is connected between 7 and first conveyor shaft 3 of belt wheel, fixed link 9 is fixed on the right side of casing 1, and 9 left side of fixed link connects
Weight beam 10 is connected to, fixed link 9 is arranged among the left side of casing 1, and is welding between fixed link 9 and casing 1, is convenient for
Weight beam 10 is better fixed, and 10 left side of weight beam is connected with hook 12, and links up with 12 and be arranged at 11 right side of sliding block
Side, weight beam 10 are horizontal positioned, weight beam 10 are made only to be subject to the pulling force of horizontal direction, it is ensured that weight beam
10 registrations are more accurate, and sliding block 11 is positioned over the top of conveyer belt 5, and 1 front of casing is provided with control panel 13, control panel 13 with
Slanted angle on vertical direction is 45 °, and convenient for manipulation motor switch 14 and governor 15,13 left and right sides of control panel is set respectively
It is equipped with motor switch 14 and governor 15.
Operation principle：When using the friction experiment device, the sliding block 11 of friction experiment device is positioned over first
Weight beam 10 is fixed on 11 right side of sliding block, then rotates governor 15, the tractive force for making motor 6 is big by 5 top of conveyer belt
Minor adjustment starts motor switch 14, then slowly rotates governor 15, so that the tractive force of motor 6 is not afterwards to minimum state
Increase disconnectedly, the frictional force between conveyer belt 5 and sliding block 11 is constantly increasing, and continues when reaching maximal friction to rotate speed governing
Device 15, the tractive force of motor 6 are constantly increasing, and sliding block 11 starts to slide above conveyer belt 5, is then transported on band 5 and sliding block
Frictional force between 11 starts to reduce, and stop rotating governor 15, and spring survey is recorded when 10 registration of weight beam is stablized
The registration of power meter 10, the registration are the size of force of sliding friction, are then rotated governor 15, the tractive force for making motor 6 is big
Minor adjustment finally closes motor switch 14, here it is the operation principles for this friction experiment device to minimum.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic into
Row equivalent substitution, within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of friction experiment device, including casing（1）, motor（6）And fixed link（9）, it is characterised in that：The casing
（1）Lower right be provided with support feet（2）, and casing（1）Upper left side is provided with the first conveyor shaft（3）, the casing（1）It is right
Top is provided with the second conveyor shaft（4）, and the second conveyor shaft（4）With the first conveyor shaft（3）Between be connected with conveyer belt
（5）, the motor（6）It is fixed on the first conveyor shaft（3）Right side, and motor（6）On be provided with belt pulley（7）, the belt
Wheel（7）With the first conveyor shaft（3）Between be connected with belt（8）, the fixed link（9）It is fixed on casing（1）Right side, it is and solid
Fixed pole（9）Left side is connected with weight beam（10）, the weight beam（10）Left side and hook（12）It is connected, and links up with
（12）It is arranged at sliding block（11）Right side, the sliding block（11）It is positioned over conveyer belt（5）Top, the casing（1）Front is set
There is control panel（13）, the control panel（13）The left and right sides is respectively arranged with motor switch（14）And governor（15）.
2. a kind of friction experiment device according to claim 1, it is characterised in that：First conveyor shaft（3）Bag
Include conveying trough（301）And belt grooves（302）, belt grooves（302）It is arranged at conveying trough（301）Centre position.
3. a kind of friction experiment device according to claim 2, it is characterised in that：The conveyer belt（5）Width with
Conveying trough（301）Width it is equal in magnitude, and conveyer belt（5）Thickness and conveying trough（301）Depth size it is equal.
4. a kind of friction experiment device according to claim 1, it is characterised in that：The fixed link（9）It is arranged at machine
Shell（1）Left side among, and fixed link（9）With casing（1）Between for welding.
5. a kind of friction experiment device according to claim 1, it is characterised in that：The weight beam（10）For water
Placing flat.
6. a kind of friction experiment device according to claim 1, it is characterised in that：The control panel（13）With vertical side
Upward slanted angle is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720857978.9U CN207425180U (en) | 2017-07-15 | 2017-07-15 | A kind of friction experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720857978.9U CN207425180U (en) | 2017-07-15 | 2017-07-15 | A kind of friction experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425180U true CN207425180U (en) | 2018-05-29 |
Family
ID=62399211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720857978.9U Expired - Fee Related CN207425180U (en) | 2017-07-15 | 2017-07-15 | A kind of friction experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256018A (en) * | 2018-10-29 | 2019-01-22 | 四川省通江县永安中学校 | A kind of experiment instrument of the correlative factor of test influence frictional force |
| CN109637303A (en) * | 2019-02-26 | 2019-04-16 | 吕德盛 | A kind of frictional force study apparatus for demonstrating |
-
2017
- 2017-07-15 CN CN201720857978.9U patent/CN207425180U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256018A (en) * | 2018-10-29 | 2019-01-22 | 四川省通江县永安中学校 | A kind of experiment instrument of the correlative factor of test influence frictional force |
| CN109637303A (en) * | 2019-02-26 | 2019-04-16 | 吕德盛 | A kind of frictional force study apparatus for demonstrating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20190715 |