CN106683541A - Test instrument for conveying problem of disc type belt - Google Patents
Test instrument for conveying problem of disc type belt Download PDFInfo
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- CN106683541A CN106683541A CN201710151558.3A CN201710151558A CN106683541A CN 106683541 A CN106683541 A CN 106683541A CN 201710151558 A CN201710151558 A CN 201710151558A CN 106683541 A CN106683541 A CN 106683541A
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- belt
- motor
- disk
- rotating shaft
- angle
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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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- General Physics & Mathematics (AREA)
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- Business, Economics & Management (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a physics training aid and specifically relates to a test instrument for a conveying problem of a disc type belt. The test instrument comprises a base, an arc-shaped rail, a protractor, a positioning bolt, a disc, a driven wheel, a driving wheel, a motor, a belt, an object, a stroboscopic camera, an angle indicator spindle and a motor fixing base, wherein the driven wheel is connected with the front side of the disc through a spindle A; the driving wheel is connected with the front side of the disc through a spindle B; the driving wheel is connected with a motor on the rear side of the disc through the spindle B; a control box is connected with the motor through a wire; the rotating speed and the rotating direction of the motor can be controlled by the buttons on a control panel; the stroboscopic camera is used for shooting the motion pictures of the object on the belt. The invention has the beneficial effects that various combined conditions, including constant speed, acceleration and deceleration, and the like, of the object along a slope can be quantitatively and qualitatively demonstrated, for example: when the belt is bias arranged, a suitable inclined angle is selected, so that the object can slide down at a constant speed along the slope and the relation between a dynamic friction factor and a tangent value of the slope inclined angle can be researched.
Description
Technical field
The present invention relates to a kind of physical teaching aid, and in particular to a kind of disc type belt transport problem experiment instrument.
Background technology
In Process of Physics Teaching in Middle School, Jing will often explain belt transport problem, and traditional method is all theory explaination, in
Learn physics laboratory and lack one kind by disk manual rotation mode, reach the experimental provision for changing belt inclination angle, need on market
Invent a kind of big I of belt inclination angle arbitrarily to adjust, and the anglec of rotation is shown by graduated disc automatically, particularly study dynamic rubbing
The relation of factor and inclination angle of inclined plane tangent value is wiped, so as to be used for studying the problem that thing block accelerates on a moving belt with uniform motion,
Stroboscopic photograph is shot by stroboscopic camera, for the problem that qualitative or quantitative research thing block is moved on belt.
The content of the invention
Propose in order to solve the problems, such as above-mentioned background technology, the present invention is adopted the following technical scheme that, can solve middle school's thing
In reason teaching process, with regard to many Process Problems of belt-conveying, it is easy to qualitatively or quantitatively research and analyse problem；A kind of disc type skin
Band transmission problem experiment instrument, including base, hard up-and-down rod A, U-shaped horizontal cross bar, bending bracing frame, control box, horizontal cross bar, arc
Shape track, angle square, bolt, disk, driven pulley, drivewheel, motor, belt, thing block, control panel, activate switch,
Stroboscopic camera, angle indicates groove, and vertical support base A, rotating shaft A, rotating shaft B, rotating shaft C, motor fixing seat, rule is suitable to open
Close, speed governing knob, thing block position indicator pointer, motor fixing seat.
The base top is fixedly connected a pair vertical vertical rod A, and the upper end of the pair of vertical vertical rod A is fixedly connected U-shaped
Horizontal cross bar, fixes a stroboscopic camera in the middle part of the U-shaped horizontal cross bar；Pass through a doubling between the pair of vertical vertical rod A
Curved bracing frame is fixedly connected vertical support base A, and the vertical support base A upper ends include a rotating shaft C, and the disk passes through rotating shaft C
It is rotatably connected with vertical support base A；The lower end connection control box of the vertical support base A；The lower section two of the vertical support base A
Side is fixedly connected with a pair of bending bracing frames, and the pair of bending bracing frame top is fixedly connected arc track, the curved track
The front in road includes angle square, the top design arc groove of arc track, and it is recessed that the edge of the disk is positioned over arc
In groove, disk is set to position in arc groove by bolt, the bolt includes many screw and nuts, nut is solid
Be scheduled on the front of arc track, screw is enclosed within nut, tightening screw, position can disk, and by angle indicate groove with
The scale of angle square contact position, reads the angle of disc rotary, the i.e. inclination angle at the angle of inclination of belt, that is, inclined-plane.
Further, the front of the disk connects driven pulley by rotating shaft A, and by rotating shaft B drivewheel, the active are connected
The motor that wheel passes through the rotating shaft B clutch disks back side, the motor connects control box by wire, by control panel
The rotating speed of the controllable motor of button and steering；The motor is connected to the back side of disk by motor fixing seat.
Further, the control panel includes activate switch, two-direction switch, speed governing knob, for the rotating speed of controlled motor
And turn to.
The stroboscopic camera is used for movement scenarios photo of the subject block on belt, and belt edge disc surfaces include one
Rule, the position overlapped with rule from thing block position indicator pointer are read coordinate figure, for stroboscopic photograph interval displacement number is done
According to analysis.
The belt is placed on the surrounding of driven pulley, drivewheel, and thing block is also placed on belt, and thing block top includes a thing block
Position indicator pointer, thing block can be at the states such as static, acceleration, deceleration relative to belt.
The beneficial effects of the present invention is, can it is quantitative, it is qualitative demonstration thing block along inclined-plane at the uniform velocity, accelerate, slow down etc. various groups
Conjunction situation, can specifically do following experiment：
（1）During belt horizontal positioned, thing block is put down gently in one end of belt, when belt uniform rotation, in the presence of frictional force,
Thing block first accelerate in the horizontal direction after situation at the uniform velocity, and accelerate checking always along belt movement time most short situation；
（2）During belt slant setting, select suitable inclination angle, make thing block at the uniform velocity glide along inclined-plane, research dynamic friction factor with it is oblique
The relation of face inclination angle tangent value；
（3）During belt slant setting, suitable inclination angle is selected, thing block is put down gently in the lower end of belt, when belt is at the uniform velocity rotated up
When, in the presence of frictional force, thing block along bevel direction first accelerate after situation at the uniform velocity, and acceleration time most short feelings always
Condition；
（4）During belt slant setting, thing block is put down gently in the upper end of belt, when belt is at the uniform velocity rotated down, in the work of frictional force
With under, thing block along bevel direction first accelerate after situation at the uniform velocity, or first to accelerate compared with high acceleration, again with the acceleration of less acceleration
Situation.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the side structure schematic diagram of the present invention；
Fig. 3 present invention's forms ramp structure design sketch by rotation；
The control panel structural representation of Fig. 4 present invention；
In figure：1st, base, 2, hard up-and-down rod A, 3, U-shaped horizontal cross bar, 4, bending bracing frame, 5, control box, 6, horizontal cross bar, 7,
Arc track, 8, angle square, 9, bolt, 10, disk, 11, driven pulley, 12, drivewheel, 13, motor, 14, belt,
15th, thing block, 16, control panel, 17, activate switch, 18, stroboscopic camera, 19, angle indicate groove, 20, vertical support base A,
21st, rotating shaft A, 22, rotating shaft B, 23, rotating shaft C, 24, rule, 25, two-direction switch, 26, speed governing knob, 27, thing block position refers to
Pin, 28, motor fixing seat.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of disc type belt transport problem experiment instrument, including base 1, hard up-and-down rod
A2, U-shaped horizontal cross bar 3, bending bracing frame 4, control box 5, horizontal cross bar 6, arc track 7, angle square 8, bolt 9, circle
Disk 10, driven pulley 11, drivewheel 12, motor 13, belt 14, thing block 15, control panel 16, activate switch 17, stroboscopic camera
18, angle instruction groove 19, vertical support base A20, rotating shaft A21, rotating shaft B22, rotating shaft C 23, rule 24, two-direction switch 25,
Speed governing knob 26, thing block position indicator pointer 27, motor fixing seat 28.
The top of the base 1 is fixedly connected a pair vertical vertical rod A2, and the upper end of the pair of vertical vertical rod A2 is fixedly connected U
A stroboscopic camera 18 is fixed at shape horizontal cross bar 3, the middle part of the U-shaped horizontal cross bar 3；Pass through between the pair of vertical vertical rod A2
A pair of bending bracing frames 4 are fixedly connected vertical support base A20, and the vertical support base A20 upper ends include a rotating shaft C 23, described
Disk 10 is rotatably connected by rotating shaft C 23 with vertical support base A20；The lower end connection control box 5 of the vertical support base A20；
The lower section both sides of the vertical support base A20 are fixedly connected with a pair of bending bracing frames 4, the top of the pair of bending bracing frame 4
Arc track 7 is fixedly connected, the front of the arc track 7 includes angle square 8, and arc groove is designed in the top of arc track 7,
The edge of the disk 10 is positioned in arc groove, disk 10 is positioned in arc groove by bolt 9, institute
Bolt 9 is stated comprising many screw and nuts, nut is fixed on the front of arc track 7, and screw is enclosed within nut, screws spiral shell
Nail, positions can disk 10, and indicates the scale of groove 19 and the contact position of angle square 8 by angle, read the rotation of disk 10
Angle, the i.e. inclination angle at the angle of inclination of belt 14, that is, inclined-plane.
The front of the disk 10 connects driven pulley 11 by rotating shaft A21, and by rotating shaft B22 drivewheel 12 is connected, described
The motor 13 that drivewheel 12 passes through the rotating shaft B22 clutch disks back side, the motor 13 connects control box 5 by wire, leads to
The button activate switch 17 crossed on control panel 16 can control rotating speed and the steering of motor 13；The motor 13 passes through motor
Fixed seat 28 is fixedly connected on the back side of disk 10.
The control panel 16 includes two-direction switch 17, activate switch 25, speed governing knob 26, turning for controlled motor 13
Speed and steering.
The stroboscopic camera 18 is used for movement scenarios photo of the subject block 15 on belt 14, the edge disk 10 of belt 14
Comprising one rule 24, the position overlapped with rule 24 from thing block position indicator pointer 27 reads coordinate figure, for stroboscopic on surface
Interval displacement data analysiss are done in photograph.
The belt 14 is placed on driven pulley 11, the surrounding of drivewheel 12, and thing block 15, the top of thing block 15 are also placed on belt 14
Comprising a thing block position indicator pointer 27, thing block 15 can be at the states such as static, acceleration, deceleration relative to belt 14.
Embodiment 1, during 14 horizontal positioned of belt, thing block 15 puts down the left end in belt gently, when belt 14 at the uniform velocity turns clockwise
When dynamic, in the presence of frictional force, thing block 15 first accelerate to the right in the horizontal direction after at the uniform velocity, or even acceleration to the right always can be tested
It is exactly the situation of even acceleration to the right always that exhibit block 15 is most short along the movement time of belt 14.
Embodiment 2, during 14 slant setting of belt, selects suitable inclination angle, and belt 14 is motionless, make thing block 15 along inclined-plane at the uniform velocity
Glide, checking dynamic friction factor is equal to inclination angle of inclined plane tangent value.
Embodiment 3, during 14 slant setting of belt, selects suitable inclination angle, makes dynamic friction factor be more than inclination angle of inclined plane tangent
Value, thing block 15 is put down gently in the lower end of belt, when belt 14 is at the uniform velocity rotated up clockwise, in the presence of frictional force, checking
Thing block along bevel direction first accelerate after situation at the uniform velocity, or acceleration time most short situation always.
Embodiment 4, during 14 slant setting of belt, selects suitable inclination angle, thing block 15 to put down gently in the upper end of belt, works as belt
14 when at the uniform velocity rotating down counterclockwise, in the presence of frictional force, verify thing block along bevel direction first accelerate after situation at the uniform velocity,
Or situation about first being accelerated with less acceleration to accelerate compared with high acceleration, again, reason be respectively due to dynamic friction factor more than etc.
Inclination angle of inclined plane tangent value is less than in inclination angle of inclined plane tangent value, or dynamic friction factor.
Claims (3)
1. a kind of disc type belt transport problem experiment instrument, including base（1）, hard up-and-down rod A（2）, U-shaped horizontal cross bar（3）, folding
Curved bracing frame（4）, control box（5）, horizontal cross bar（6）, arc track（7）, angle square（8）, bolt（9）, disk（10）,
Driven pulley（11）, drivewheel（12）, motor（13）, belt（14）, thing block（15）, control panel（16）, activate switch（17）,
Stroboscopic camera（18）, angle instruction groove（19）, vertical support base A（20）, rotating shaft A（21）, rotating shaft B（22）, rotating shaft C（23）,
Rule（24）, two-direction switch（25）, speed governing knob（26）, thing block position indicator pointer（27）, motor fixing seat（28）；Its feature exists
In the base（1）Top is fixedly connected a pair vertical vertical rod A（2）, the pair of vertical vertical rod A（2）Upper end be fixedly connected
U-shaped horizontal cross bar（3）, the U-shaped horizontal cross bar（3）Middle part fix a stroboscopic camera（18）；The pair of vertical vertical rod A
（2）Between pass through a pair of bending bracing frames（4）It is fixedly connected vertical support base A（20）, the vertical support base A（20）Wrap upper end
Containing a rotating shaft C（23）, the disk（10）By rotating shaft C（23）With vertical support base A（20）It is rotatably connected；The vertical support
Seat A（20）Lower end connection control box（5）；The vertical support base A（20）Lower section both sides and a pair of bending bracing frames（4）Gu
Fixed connection, the pair of bending bracing frame（4）Top is fixedly connected arc track（7）, the arc track（7）Front include
Angle square（8）, arc track（7）Top design arc groove, the disk（10）Edge be positioned over arc groove
In, by bolt（9）Make disk（10）Position in arc groove, the bolt（9）Comprising many screws and spiral shell
Mother, nut is fixed on arc track（7）Front, screw is enclosed within nut, and tightening screw can make disk（10）Positioning, and it is logical
Over-angle indicates groove（19）With angle square（8）The scale of contact position, reads disk（10）The angle of rotation, i.e. inclined-plane are inclined
Angle；The disk（10）Front pass through rotating shaft A（21）Connection driven pulley（11）, by rotating shaft B（22）Connection drivewheel（12）,
The drivewheel（12）By rotating shaft B（22）The motor at the clutch disk back side（13）, the motor（13）Connected by wire
Connect control box（5）, by control panel（16）On the controllable motor of button（13）Rotating speed and steering；The motor
（13）By motor fixing seat（28）It is fixedly connected on disk（10）The back side；The control panel（16）Comprising two-direction switch
（17）, activate switch（25）, speed governing knob（26）, for controlled motor（13）Rotating speed and steering.
2. a kind of disc type belt transport problem experiment instrument according to claim 1, it is characterised in that the belt（14）
It is placed on driven pulley（11）, drivewheel（12）Surrounding, belt（14）On also place thing block（15）, thing block（15）Top includes one
Thing block position indicator pointer（27）.
3. a kind of disc type belt transport problem experiment instrument according to claim 1, it is characterised in that the stroboscopic camera
（18）For subject block（15）In belt（14）On movement scenarios photo；Belt（14）Edge disk（10）Surface fixes one
Rule（24）, from thing block position indicator pointer（27）With rule（24）The position of coincidence reads coordinate figure, can be shone using stroboscopic
Piece carries out being spaced displacement data analysiss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151558.3A CN106683541B (en) | 2017-03-14 | 2017-03-14 | Disc type belt transmission problem experimental instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151558.3A CN106683541B (en) | 2017-03-14 | 2017-03-14 | Disc type belt transmission problem experimental instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106683541A true CN106683541A (en) | 2017-05-17 |
| CN106683541B CN106683541B (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710151558.3A Active CN106683541B (en) | 2017-03-14 | 2017-03-14 | Disc type belt transmission problem experimental instrument |
Country Status (1)
| Country | Link |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29617693U1 (en) * | 1995-11-02 | 1996-12-12 | Play BC Etablissement, Vaduz | Educational tool |
| CN1547176A (en) * | 2003-12-11 | 2004-11-17 | 彤 李 | Static and kinetic friction demonstrator |
| CN203786967U (en) * | 2014-04-28 | 2014-08-20 | 哈尔滨师范大学 | Kinetic friction coefficient measuring and weightlessness and overweight demonstrating apparatus |
| CN104019801A (en) * | 2014-06-13 | 2014-09-03 | 四川大学 | Method for measuring Bohr resonance phase difference and modifying data through continuous photographing or camera shooting |
| CN203895006U (en) * | 2014-06-02 | 2014-10-22 | 姚金 | Demonstrator for bearing force of oblique surface along with inclination angle change |
| CN205247726U (en) * | 2016-01-12 | 2016-05-18 | 平昌县金山中学 | Sliding friction force demonstration apparatus |
| CN205708485U (en) * | 2016-04-22 | 2016-11-23 | 首都师范大学附属中学 | Multifunctional conveying device |
| CN206649784U (en) * | 2017-03-14 | 2017-11-17 | 郭金虎 | Disc type belt transport problem experiment instrument |
-
2017
- 2017-03-14 CN CN201710151558.3A patent/CN106683541B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29617693U1 (en) * | 1995-11-02 | 1996-12-12 | Play BC Etablissement, Vaduz | Educational tool |
| CN1547176A (en) * | 2003-12-11 | 2004-11-17 | 彤 李 | Static and kinetic friction demonstrator |
| CN203786967U (en) * | 2014-04-28 | 2014-08-20 | 哈尔滨师范大学 | Kinetic friction coefficient measuring and weightlessness and overweight demonstrating apparatus |
| CN203895006U (en) * | 2014-06-02 | 2014-10-22 | 姚金 | Demonstrator for bearing force of oblique surface along with inclination angle change |
| CN104019801A (en) * | 2014-06-13 | 2014-09-03 | 四川大学 | Method for measuring Bohr resonance phase difference and modifying data through continuous photographing or camera shooting |
| CN205247726U (en) * | 2016-01-12 | 2016-05-18 | 平昌县金山中学 | Sliding friction force demonstration apparatus |
| CN205708485U (en) * | 2016-04-22 | 2016-11-23 | 首都师范大学附属中学 | Multifunctional conveying device |
| CN206649784U (en) * | 2017-03-14 | 2017-11-17 | 郭金虎 | Disc type belt transport problem experiment instrument |
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| Publication number | Publication date |
|---|---|
| CN106683541B (en) | 2023-05-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230404 Address after: 262550 No. 777, Qingling street, Qingzhou City, Weifang City, Shandong Province Applicant after: SHANDONG BAITE ELECTRONICS CO.,LTD. Address before: 225700 Xinghua nine middle school, 6 north nine road, Taizhou, Jiangsu Applicant before: Guo Jinhu |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Experimental instrument for disc belt transmission problems Effective date of registration: 20230926 Granted publication date: 20230509 Pledgee: Qingzhou Shandong rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG BAITE ELECTRONICS CO.,LTD. Registration number: Y2023980058944 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |