CN106601090A - Frictional force learning demonstration device - Google Patents
Frictional force learning demonstration device Download PDFInfo
- Publication number
- CN106601090A CN106601090A CN201611136209.6A CN201611136209A CN106601090A CN 106601090 A CN106601090 A CN 106601090A CN 201611136209 A CN201611136209 A CN 201611136209A CN 106601090 A CN106601090 A CN 106601090A
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- Prior art keywords
- plate
- upside
- friction
- demonstrating
- frictional force
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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
- 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
Abstract
The invention relates to a frictional force learning demonstration device, and belongs to the technical field of teaching instruments. The device comprises a demonstration device pedestal, and the interior of the demonstration device pedestal is provided with a power supply box. The front side of the power supply box is provided with a power line interface, and the interior of the power line interface is provided with a power line. The power line is provided with a transformer and a power plug. The front side of the transformer is provided with a voltage adjusting rotary knob disc, and the voltage adjusting rotary knob disc is provided with a voltage adjusting rotary knob. The interior of the power supply box is provided with a power distribution board, and the left side of the power distribution board is provided with a power storage battery. The front side of the storage battery is provided with a voltage stabilizer. The upper side of the demonstration device pedestal is provided with a main console, and the upper side of the main console is provided with a display platform. The display platform is provided with a display screen, and the display screen is provided with an imaging tube. The device is complete in function, is convenient to use, is safe and efficient when the device is used for frictional force teaching in a junior high school, and alleviates the workload of educators.
Description
Technical field
The invention belongs to technique with the apparatus field of imparting knowledge to students, and in particular to a kind of frictional force learns apparatus for demonstrating.
Background technology
Frictional force is very important in junior physicses study, but learning difficulty is very big, and many students cannot understand friction
The presence of power, and teacher have cannot image frictional force is depicted, present demonstration equipment is very poor, there is very big mistake
Difference, observation of students are got up no particularly apparent difference, and also resulting in the low student of understandability cannot understand, considerably increase
The work load of education personnel.
The content of the invention
It is an object of the invention to provide one kind is when the teaching of junior middle school's frictional force is carried out, and flexible operation, friction easy to use
Mechanics practises apparatus for demonstrating.
The technical scheme is that：Frictional force learns apparatus for demonstrating, including apparatus for demonstrating base, in apparatus for demonstrating base
Inside being provided with power supply and case being provided, power supply to be provided and electric source line interface is provided with front side of case, is provided with power line, on power line in electric source line interface
Transformator and attaching plug are provided with, voltage-regulation knob wheel on front side of transformator, is provided with, voltage-regulation knob wheel is provided with voltage tune
Section knob, power supply are provided in case and are provided with panel, be provided with accumulator, voltage stabilizer is provided with front side of accumulator on the left of panel,
Master console is provided with the upside of apparatus for demonstrating base, display station on the upside of master console, is provided with, display station is provided with display screen, display screen
Image forming tube is provided with, control panel on front side of display station, is provided with, total power light and total power button on the upside of control panel, is provided with
Disk, total power button disk are provided with total power button, are provided with faceplate formation process plate, under faceplate formation process plate in master console
Side is provided with video information recording plate, is provided with processing information imprinting mouth, sets in processing information imprinting mouth on the upside of video information recording plate
There is image information processing device, the transparent box bracket fixed disk of friction is provided with the right side of master console, is rubbed on transparent box bracket fixed disk
The transparent box bracket of friction is provided with, on the upside of the transparent box bracket that rubs, friction glass box is provided with, on the right side of the transparent box bracket fixed disk that rubs
Falling bodies case fixed disk is provided with, on the upside of falling bodies case fixed disk, freely falling body case is provided with；
Friction plate is provided with the left of friction glass box and changes door connecting shaft, friction plate is changed door connecting shaft and is provided with friction plate more
Door is changed, friction plate draw-in groove, friction restorer and damping of shocks pad are provided with friction glass box, friction in friction plate draw-in groove, is provided with
Plate, is provided with brake pad on the upside of friction plate, be provided with slip bracing wire, freely falling body pulling force is provided with the downside of slip bracing wire on the right side of brake pad
Ball, damping of shocks pad are provided with slip bracing wire hole；
Positor panel is provided with the upside of friction restorer, the transmitting of reset release information on the right side of positor panel, is provided with
Device, positor panel are provided with SR and release button, are provided with sliding motor groove, sliding motor in friction restorer
Clamp mouth is provided with the downside of groove, sliding motor in sliding motor groove, is provided with, clamp device is provided with the right side of sliding motor, on the upside of sliding motor
Pulley spindle is provided with, pulley spindle is provided with power block, and slip information processor is provided with sliding motor；
Pressure hole is provided with the upside of clamp device, atmospheric pressure board is provided with pressure hole, stripper plate is provided with clamp device, on the upside of stripper plate
Pulsometer is provided with, clamp on the right side of stripper plate, is provided with；
Bending connect cover is provided with the upside of freely falling body case, air vent is provided with the upside of bending connect cover, the row of being provided with air vent
Pneumatic generator, is provided with motor shaft in exhaust motor, motor shaft is provided with flabellum axle, and unidirectional appendix is provided with the upside of exhaust motor, single
Spring dead plate is provided with the upside of appendix, spring on the downside of spring dead plate, is provided with, plugging air tablet, unidirectional gas transmission on the downside of spring, is provided with
Gas leakage mouth is provided with the right side of pipe, is provided with the right side of freely falling body case and is taken thing mouth, taken and take thing door connecting shaft, take thing door company
Spindle is provided with and takes thing door, takes thing door and is provided with door open switch, falling bodies detector is provided with freely falling body case；
Detection light expelling plate is provided with the left of falling bodies detector, detection optical transmitting set is provided with the right side of detection light expelling plate and is fixed
Disk, detection optical transmitting set fixed disk are provided with detection optical transmitting set, be provided with detection light mission controller, fall in detection light expelling plate
Light detection plate is provided with the right side of detector, photographic plate is provided with the left of light detection plate, is provided with the right side of light detection plate at photographic plate information
Reason device retainer ring, is provided with photographic plate message handler, on the right side of photographic plate message handler in photographic plate message handler retainer ring
Photographic plate information transmitter is provided with, information blotter plate on front side of photographic plate message handler, is provided with.
The apparatus for demonstrating Its lower side is provided with anti-abrasion pad.
The display screen is provided with protecting glass.
Pressurized seal pad is provided with the left of the friction glass box.
Pressing pad is provided with the friction plate draw-in groove.
Flat runner is provided with the downside of the sliding motor groove.
Falling bodies cushion pad is provided with the freely falling body case.
Light intensity limiter is provided with the detection light mission controller.
The invention has the beneficial effects as follows：The present invention is multiple functional, easy to use, when the teaching of junior middle school's frictional force is carried out, peace
Overall height is imitated, and alleviates the work load of education personnel.
Description of the drawings
Overall structure diagram of the accompanying drawing 1 for the present invention.
Friction glass box structural representation of the accompanying drawing 2 for the present invention.
Friction restorer structural representation of the accompanying drawing 3 for the present invention.
Clamp device structural representation of the accompanying drawing 4 for the present invention.
Freely falling body box structure schematic diagram of the accompanying drawing 5 for the present invention.
Falling bodies detector arrangement schematic diagram of the accompanying drawing 6 for the present invention.
In figure：
1：Apparatus for demonstrating base, 2：Power supply offer case, 3：Electric source line interface, 4：Power line, 5：Transformator, 6：Power supply is inserted
Head, 7：Voltage-regulation knob wheel, 8：Voltage-regulation knob, 9：Panel, 10：Accumulator, 11：Voltage stabilizer, 12：Main control
Platform, 13：Display station, 14：Display screen, 15：Image forming tube, 16：Control panel, 17：Total power light, 18：Total power button disk,
19：Total power button, 20：Faceplate formation process plate, 21：Video information recording plate, 22：Processing information imprinting mouth, 23：Image is believed
Breath processor, 24：Rub transparent box bracket fixed disk, and 25：Rub transparent box bracket, and 26：Friction glass box, 27：Falling bodies case is solid
Price fixing, 28：Freely falling body case, 29：Friction plate replacing door connecting shaft, 30：Friction plate replacing door, 31：Friction plate draw-in groove, 32：Rub
Cleaning block positor, 33：Damping of shocks pad, 34：Friction plate, 35：Brake pad, 36：Slip bracing wire, 37：Freely falling body pulling force ball,
38：Slip bracing wire hole, 39：Positor panel, 40：Reset release information transmitter, and 41：SR, 42：Release button,
43：Sliding motor groove, 44：Clamp mouth, 45：Sliding motor, 46：Clamp device, 47：Pulley spindle, 48：Power block, 49：Slide letter
Breath processor, 50：Pressure hole, 51：Atmospheric pressure board, 52：Stripper plate, 53：Pulsometer, 54：Clamp, 55：Bending connect cover, 56：Row
QI KOU, 57：Exhaust motor, 58：Motor shaft, 59：Flabellum axle, 60：Unidirectional appendix, 61：Spring dead plate, 62：Spring, 63：
Plugging air tablet, 64：Gas leakage mouth, 65：Take thing mouth, 66：Take thing door connecting shaft, 67：Take thing door, 68：Door open switch, 69：Falling bodies are detected
Device, 70：Detection light expelling plate, 71：Detection optical transmitting set fixed disk, 72：Detection optical transmitting set, 73：Detection light mission controller,
74：Light detection plate, 75：Photographic plate, 76：Photographic plate message handler retainer ring, 77：Photographic plate message handler, 78：Photographic plate
Information transmitter, 79：Information blotter plate, 80：Anti-abrasion pad, 81：Protecting glass, 82：Pressurized seal pad, 83：Pressing pad,
84：Flat runner, 85：Falling bodies cushion pad, 86：Light intensity limiter.
Specific embodiment
With reference to the accompanying drawings, the frictional force study apparatus for demonstrating of the present invention is described in detail.
As shown in figure 1, the frictional force study apparatus for demonstrating of the present invention, including apparatus for demonstrating base 1, in apparatus for demonstrating base
Power supply is provided with 1 case 2 is provided, power supply provides and electric source line interface 3 is provided with front side of case 2, is provided with power line 4, electricity in electric source line interface 3
Source line 4 is provided with transformator 5 and attaching plug 6, and voltage-regulation knob wheel 7, voltage-regulation knob wheel 7 are provided with front side of transformator 5
Voltage-regulation knob 8 is provided with, power supply is provided in case 2 and is provided with panel 9, and accumulator 10, accumulator 10 are provided with the left of panel 9
Front side is provided with voltage stabilizer 11, is provided with master console 12, is provided with display station on the upside of master console 12 on the upside of apparatus for demonstrating base 1
13, display station 13 is provided with display screen 14, and display screen 14 is provided with image forming tube 15, control panel 16 is provided with front side of display station 13,
Be provided with total power light 17 and total power button disk 18 on the upside of control panel 16, total power button disk 18 be provided with main power by
Button 19, is provided with faceplate formation process plate 20 in master console 12, video information recording plate is provided with the downside of faceplate formation process plate 20
21, processing information imprinting mouth 22 is provided with the upside of video information recording plate 21, is provided with image information in processing information imprinting mouth 22
Reason device 23, is provided with the transparent box bracket fixed disk 24 of friction on the right side of master console 12, the transparent box bracket fixed disk 24 that rubs is provided with
Rub transparent box bracket 25, and friction glass box 26 is provided with the upside of the transparent box bracket 25 that rubs, and rub transparent box bracket fixed disk 24
Right side is provided with falling bodies case fixed disk 27, is provided with freely falling body case 28 on the upside of falling bodies case fixed disk 27.
As shown in Fig. 2 friction plate is provided with the left of friction glass box 26 changes door connecting shaft 29, friction plate changes door connecting shaft
29 are provided with friction plate changes door 30, is provided with friction plate draw-in groove 31, friction restorer 32 and impact slow in friction glass box 26
Pad 33 is rushed, and friction plate 34 is provided with friction plate draw-in groove 31, is provided with brake pad 35, is provided with cunning on the right side of brake pad 35 on the upside of friction plate 34
Dynamic bracing wire 36, is provided with freely falling body pulling force ball 37 on the downside of slip bracing wire 36, damping of shocks pad 33 is provided with slip bracing wire hole 38.
As shown in figure 3, being provided with positor panel 39 on the upside of friction restorer 32, it is provided with the right side of positor panel 39
Reset release information transmitter 40, and positor panel 39 is provided with SR 41 and release button 42, and rub restorer
Sliding motor groove 43 is provided with 32, clamp mouth 44 is provided with the downside of sliding motor groove 43, in sliding motor groove 43, sliding motor is provided with
45, clamp device 46 is provided with the right side of sliding motor 45, pulley spindle 47 on the upside of sliding motor 45, is provided with, pulley spindle 47 is provided with power cunning
Wheel 48, is provided with slip information processor 49 in sliding motor 45.
As shown in figure 4, pressure hole 50 is provided with the upside of clamp device 46, atmospheric pressure board 51 is provided with pressure hole 50, in clamp device 46
Stripper plate 52 is provided with, pulsometer 53 is provided with the upside of stripper plate 52, clamp 54 on the right side of stripper plate 52, is provided with.
As shown in figure 5, bending connect cover 55 is provided with the upside of freely falling body case 28, on the upside of bending connect cover 55, air vent is provided with
56, exhaust motor 57 is provided with air vent 56, in exhaust motor 57, motor shaft 58 is provided with, motor shaft 58 is provided with flabellum axle 59,
Unidirectional appendix 60 is provided with the upside of exhaust motor 57, spring dead plate 61, spring dead plate 61 on the upside of unidirectional appendix 60, is provided with
Downside is provided with spring 62, is provided with plugging air tablet 63, gas leakage mouth 64, freely falling body case are provided with the right side of unidirectional appendix 60 on the downside of spring 62
It is provided with the right side of in the of 28 and takes thing mouth 65, take and take thing door connecting shaft 66, takes thing door connecting shaft 66 and be provided with and take thing door
67, take thing door 67 and be provided with door open switch 68, in freely falling body case 28, be provided with falling bodies detector 69.
As shown in fig. 6, detection light expelling plate 70 is provided with the left of falling bodies detector 69, inspection on the right side of detection light expelling plate 70, is provided with
Light-metering emitter fixed disk 71, detection optical transmitting set fixed disk 71 are provided with detection optical transmitting set 72, in detection light expelling plate 70
Detection light mission controller 73 is provided with, light detection plate 74 is provided with the right side of falling bodies detector 69, on the left of light detection plate 74, is provided with photosensitive
Plate 75, is provided with photographic plate message handler retainer ring 76, sets in photographic plate message handler retainer ring 76 on the right side of light detection plate 74
There is photographic plate message handler 77, on the right side of photographic plate message handler 77, be provided with photographic plate information transmitter 78, photographic plate information
Information blotter plate 79 is provided with front side of processor 77.
When using the present invention, press total power button 19 and start instrument, exhaust motor 57 can then enter working condition, will
Air in freely falling body case 28 is extracted, and forms a vacuum environment, presses the release button on friction restorer 32
After 42 rub restorer 32 then brake pad 35 can be decontroled, brake pad 35 then can because of the whereabouts of freely falling body pulling force ball 37 quilt
Pull, the whereabouts of freely falling body pulling force ball 37 then can be through the detection light in the detection of falling bodies detector 69, falling bodies detector 69
The transmitting light of emitter 72 is received by photographic plate 75, and freely falling body pulling force ball 37 can then stop the transmission of light, photographic plate when falling
Message handler 77 then can make detection to the reception condition of light, and show on display screen 14, and calculate freely to fall
The falling speed of body pulling force ball 37, then friction plate replacing door 30 is opened, change the friction plate 34 or Different Weight in differentiated friction face
Brake pad 35, then carry out identical operation, the size of frictional force can be compared by the comparison to falling speed, by number
According to contrast, facilitate student to understand frictional force.
Anti-abrasion pad 80 is provided with the downside of the apparatus for demonstrating base 1.So arrange, the excessive wear of instrument bottom can be prevented.
The display screen 14 is provided with protecting glass 81.So arrange, can play a part of to protect display screen 14, keep away
Exempt to be damaged.
Pressurized seal pad 82 is provided with the left of the friction glass box 26.So arrange, sealing can be played a part of, prevented
Ambient atmos cause error into instrument.
Pressing pad 83 is provided with the friction plate draw-in groove 31.So arrange, friction plate 34, convenient use can be reinforced.
Flat runner 84 is provided with the downside of the sliding motor groove 43.So arrange, can play a part of to reduce friction.
Falling bodies cushion pad 85 is provided with the freely falling body case 28.So arrange, can play a part of to reduce impulsive force,
Prevent impulsive force excessive and instrument is caused to damage.
Light intensity limiter 86 is provided with the detection light mission controller 73.So arrange, intensity of illumination can be limited,
Prevent the excessive impact experiment of intensity of illumination.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement and replacement can also be made, these improve and replace
Also should be regarded as protection scope of the present invention.
Claims (8)
1. frictional force study apparatus for demonstrating, including apparatus for demonstrating base (1), it is characterised in that：
Power supply being provided with apparatus for demonstrating base (1) case (2) being provided, power supply to be provided and electric source line interface (3) is provided with front side of case (2),
Power line (4) is provided with electric source line interface (3), power line (4) is provided with transformator (5) and attaching plug (6), transformator (5)
Front side is provided with voltage-regulation knob wheel (7), and voltage-regulation knob wheel (7) is provided with voltage-regulation knob (8), and power supply provides case
(2) panel (9) being provided with, accumulator (10) being provided with the left of panel (9), accumulator is provided with voltage stabilizer on front side of (10)
(11) master console (12) is provided with the upside of apparatus for demonstrating base (1), display station (13) on the upside of master console (12), is provided with, is shown
Platform (13) is provided with display screen (14), and display screen (14) is provided with image forming tube (15), and display station is provided with control panel on front side of (13)
(16) total power light (17) and total power button disk (18), total power button disk (18) are provided with the upside of control panel (16),
It is provided with total power button (19), master console (12) and is provided with faceplate formation process plate (20), faceplate formation process plate (20)
Downside is provided with video information recording plate (21), and processing information imprinting mouth (22) is provided with the upside of video information recording plate (21), processes
Image information processing device (23) is provided with information burning mouth (22), the transparent box bracket of friction is provided with the right side of master console (12) and is fixed
Disk (24), transparent box bracket fixed disk (24) of rubbing are provided with the transparent box bracket (25) of friction, rub on transparent box bracket (25)
Side is provided with friction glass box (26), is provided with falling bodies case fixed disk (27), falling bodies case on the right side of transparent box bracket fixed disk (24) of rubbing
Freely falling body case (28) is provided with the upside of fixed disk (27)；
Friction plate is provided with the left of friction glass box (26) and changes door connecting shaft (29), friction plate is changed door connecting shaft (29) and is provided with
Friction plate changes door (30), is provided with friction plate draw-in groove (31), friction restorer (32) and impact slow in friction glass box (26)
Friction plate (34) is provided with punching pad (33), friction plate draw-in groove (31), brake pad (35), brake pad on the upside of friction plate (34), is provided with
(35) slip bracing wire (36) is provided with the right side of, freely falling body pulling force ball (37), damping of shocks pad on the downside of slip bracing wire (36), is provided with
(33) it is provided with slip bracing wire hole (38)；
Positor panel (39) is provided with the upside of friction restorer (32), reset release on the right side of positor panel (39), is provided with
Information transmitter (40), positor panel (39) are provided with SR (41) and release button (42), and rub restorer
(32) sliding motor groove (43) is provided with, be provided with clamp mouth (44), sliding motor groove (43) and set on the downside of sliding motor groove (43)
There is sliding motor (45), clamp device (46) be provided with the right side of sliding motor (45), pulley spindle (47) on the upside of sliding motor (45), is provided with,
Pulley spindle (47) is provided with power block (48), sliding motor (45) and is provided with slip information processor (49)；
It is provided with to be provided with atmospheric pressure board (51), clamp device (46) in pressure hole (50), pressure hole (50) on the upside of clamp device (46) and is provided with
Stripper plate (52), is provided with pulsometer (53), clamp (54) is provided with the right side of stripper plate (52) on the upside of stripper plate (52)；
Bending connect cover (55) is provided with the upside of freely falling body case (28), on the upside of bending connect cover (55), air vent (56) is provided with, is arranged
It is provided with QI KOU (56) in exhaust motor (57), exhaust motor (57) and is provided with motor shaft (58), motor shaft (58) is provided with flabellum
Axle (59), is provided with unidirectional appendix (60), is provided with spring dead plate on the upside of unidirectional appendix (60) on the upside of exhaust motor (57)
(61) spring (62) is provided with the downside of spring dead plate (61), plugging air tablet (63), unidirectional appendix (60) on the downside of spring (62), is provided with
Right side is provided with gas leakage mouth (64), is provided with and takes thing mouth (65) on the right side of freely falling body case (28), takes to be provided with the upside of thing mouth (65) and takes thing door
Connecting shaft (66), takes thing door connecting shaft (66) and is provided with and take thing door (67), takes thing door (67) and is provided with door open switch (68), freely
Falling bodies detector (69) is provided with falling bodies case (28)；
Detection light expelling plate (70) is provided with the left of falling bodies detector (69), detection light transmitting on the right side of detection light expelling plate (70), is provided with
Device fixed disk (71), detection optical transmitting set fixed disk (71) are provided with detection optical transmitting set (72), detection light expelling plate (70)
Detection light mission controller (73) is provided with, light detection plate (74) is provided with the right side of falling bodies detector (69), on the left of light detection plate (74)
Photographic plate (75) is provided with, photographic plate message handler retainer ring (76), photographic plate information processing on the right side of light detection plate (74), is provided with
Photographic plate message handler (77) is provided with device retainer ring (76), photographic plate message handler is provided with photographic plate information on the right side of (77)
Emitter (78), is provided with information blotter plate (79) on front side of photographic plate message handler (77).
2. frictional force according to claim 1 learns apparatus for demonstrating, it is characterised in that：Under the apparatus for demonstrating base (1)
Side is provided with anti-abrasion pad (80).
3. frictional force according to claim 1 learns apparatus for demonstrating, it is characterised in that：The display screen (14) is provided with glass
Glass protective cover (81).
4. frictional force according to claim 1 learns apparatus for demonstrating, it is characterised in that：On the left of friction glass box (26)
It is provided with pressurized seal pad (82).
5. frictional force according to claim 1 learns apparatus for demonstrating, it is characterised in that：Set in the friction plate draw-in groove (31)
There is pressing pad (83).
6. frictional force according to claim 1 learns apparatus for demonstrating, it is characterised in that：On the downside of the sliding motor groove (43)
It is provided with flat runner (84).
7. frictional force according to claim 1 learns apparatus for demonstrating, it is characterised in that：Set in the freely falling body case (28)
There is falling bodies cushion pad (85).
8. the frictional force according to any one of claim 1-7 learns apparatus for demonstrating, it is characterised in that：The detection light transmitting
Light intensity limiter (86) is provided with controller (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136209.6A CN106601090B (en) | 2016-12-02 | 2016-12-02 | Frictional force learns apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136209.6A CN106601090B (en) | 2016-12-02 | 2016-12-02 | Frictional force learns apparatus for demonstrating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106601090A true CN106601090A (en) | 2017-04-26 |
| CN106601090B CN106601090B (en) | 2019-03-12 |
Family
ID=58598781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611136209.6A Expired - Fee Related CN106601090B (en) | 2016-12-02 | 2016-12-02 | Frictional force learns apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106601090B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693687A (en) * | 1986-03-14 | 1987-09-15 | Hwang Ming Chuen | Apparatus for determining the acceleration of a moving object under gravity |
| CN202217419U (en) * | 2011-09-07 | 2012-05-09 | 黄绍书 | Dynamic frictional force mechanism tester |
| CN204166756U (en) * | 2014-06-24 | 2015-02-18 | 林松 | The device of dynamic friction factor measured by a kind of ruler |
| CN104751705A (en) * | 2015-03-23 | 2015-07-01 | 姚爱民 | Newton first law demonstrating instrument |
| CN205541571U (en) * | 2016-01-28 | 2016-08-31 | 任新年 | Intelligence frictional force demonstration ware |
-
2016
- 2016-12-02 CN CN201611136209.6A patent/CN106601090B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693687A (en) * | 1986-03-14 | 1987-09-15 | Hwang Ming Chuen | Apparatus for determining the acceleration of a moving object under gravity |
| CN202217419U (en) * | 2011-09-07 | 2012-05-09 | 黄绍书 | Dynamic frictional force mechanism tester |
| CN204166756U (en) * | 2014-06-24 | 2015-02-18 | 林松 | The device of dynamic friction factor measured by a kind of ruler |
| CN104751705A (en) * | 2015-03-23 | 2015-07-01 | 姚爱民 | Newton first law demonstrating instrument |
| CN205541571U (en) * | 2016-01-28 | 2016-08-31 | 任新年 | Intelligence frictional force demonstration ware |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106601090B (en) | 2019-03-12 |
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