CN110491255A - A kind of physics gravity measurement demonstrating experiment table - Google Patents
A kind of physics gravity measurement demonstrating experiment table Download PDFInfo
- Publication number
- CN110491255A CN110491255A CN201910858709.8A CN201910858709A CN110491255A CN 110491255 A CN110491255 A CN 110491255A CN 201910858709 A CN201910858709 A CN 201910858709A CN 110491255 A CN110491255 A CN 110491255A
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- flip angle
- support plate
- table top
- gravity measurement
- angle support
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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
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- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Business, Economics & Management (AREA)
- Mathematical Physics (AREA)
- Algebra (AREA)
- Computational Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Pure & Applied Mathematics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
It is disclosed by the invention to belong to technical field of physical experiment, specially a kind of physics gravity measurement demonstrating experiment table, including table top and pillar, there are four the pillar settings, and four pillars are respectively supported at the lower surface corner location of table top, the upper surface of the table top is by supporting shaft assembly to be connected with flip angle support plate, dynamometer and mounting bracket are provided on the right side of the upper surface of the flip angle support plate, the use of supporting mechanism is adjusted by flip angle support plate engagement height, flip angle support plate can be supported and adjust angle effect, so as to simulate measurement method in the case where different angle, so as to deepen the memory of student；By the mating reaction of Image Acquisition camera and dynamometer, and by the image information of acquisition by display exhibits, so as to facilitate student to watch in real time；By the setting of angle measuring scale, can the flip angle to flip angle support plate accurately controlled, so as to improve the accuracy of measurement.
Description
Technical field
The present invention relates to technical field of physical experiment, specially a kind of physics gravity measurement demonstrating experiment table.
Background technique
Physics is the subject for studying the motion of matter most typically rule and substance basic structure.Band as natural science
Head subject, physics research greatly to universe, as low as all substances such as elementary particle most basic forms of motion and rule, therefore at
For the Research foundation of other each natural branch of science.
The theoretical construct of physics makes full use of mathematics as oneself working language, using experiment as examining theory just
The sole criterion of true property, it is a current most accurate natural science subject.
Object due to the earth attraction and the power that is subject to gravity.The force application object of gravity is the earth's core.The direction of gravity is total
It is straight down.The size for the gravity that object is subject to is directly proportional with the quality of object, and calculation formula is: G=mg, g are ratio system
Number, gravity size are about 9.8N/kg, and gravity changes as latitude size changes, and indicate the weight that the object that quality is 1kg is subject to
Power is 9.8N.Position of the gravity on object is center of gravity.
Calculating for power is usually that vector calculates, since the existing size of power has direction again, when measurement gravity is not vertical
When in plane, need to be adjusted calculation, existing teaching is not vivid enough by way of oral account or subtitle description, makes
It obtains student and is difficult to memory and profound.
Summary of the invention
The purpose of the present invention is to provide a kind of physics gravity measurement demonstrating experiment tables, to solve in above-mentioned background technique
Iing is proposed is usually that vector calculates for the calculating of power, since the existing size of power has direction again, when measurement gravity is not being put down vertically
When on face, needing to be adjusted calculation, existing teaching is not vivid enough by way of oral account or subtitle description, so that
Student is difficult to the problem of memory and profound.
To achieve the above object, the invention provides the following technical scheme: a kind of physics gravity measurement demonstrating experiment table, packet
Table top and pillar are included, there are four the pillar settings, and four pillars are respectively supported at the lower surface corner location of table top, described
The upper surface of table top is by supporting shaft assembly to be connected with flip angle support plate, the upper surface right side of the flip angle support plate
It is provided with dynamometer and mounting bracket, the dynamometer is fixedly connected on the upper of flip angle support plate by installation set and screw
On surface, Image Acquisition camera is embedded on the upside of the mounting bracket, described image acquisition camera face dynamometer
Measure display area, the upper surface right end of the table top is equipped with display, described image acquisition camera by data line with
The data transmission interface of display connects, and the left side central portion of the flip angle support plate offers card slot, the table top it is upper
It is fixedly installed with angle measuring scale on the left of surface, the angle measuring scale is located in card slot, and the lower surface of the table top passes through branch
Frame is connected with height adjusting support mechanism, and the upper end of the height adjusting support mechanism is connected to flip angle support by pin shaft
The bottom of plate.
Preferably, the bottom end of the pillar is socketed with support sleeve, and support sleeve is rubber set.
Preferably, the display is liquid crystal display.
Preferably, the flip angle support plate includes Supporting plate and radially connected in Supporting plate front-rear side walls left end
Support shaft, the support shaft is mounted on the left of the upper surface of table top by axle bed.
Preferably, the radial width of the card slot is greater than the thickness of angle measuring scale.
Preferably, the right end of the flip angle support plate has been connected by screw to pull ring.
Preferably, the height adjusting support mechanism includes outer tube and the telescopic rod that is plugged in outer tube, described outer
Rotation axis is provided on the side wall of casing, the rotation axis is connect with the bracket of table top lower surface, on the outer wall of the outer tube
Regulating tank is offered along the axis direction of outer tube, locating piece, the locating piece and telescopic rod are plugged in the regulating tank
Outer wall connection.
Preferably, the locating piece includes the screw rod for being screwed onto telescopic rod and the knob of setting screw rod outer end, the screw rod
It is fastened between knob and outer tube by turning.
Compared with prior art, the beneficial effects of the present invention are:
1) by flip angle support plate engagement height adjust supporting mechanism use, can to flip angle support plate into
Row support adjusts angle effect, so as to simulate measurement method in the case where different angle, so as to deepen student's
Memory；
2) pass through the mating reaction of Image Acquisition camera and dynamometer, and the image information of acquisition is passed through into display exhibition
Show, so as to facilitate student to watch in real time；
3) by the setting of angle measuring scale, can the flip angle to flip angle support plate accurately controlled, from
And it can be improved the accuracy of measurement.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of height adjusting support mechanism of the present invention；
Fig. 3 is flip angle supporting plate structure schematic diagram of the present invention.
In figure: 1 table top, 2 pillars, 3 flip angle support plates, 4 dynamometers, 5 mounting brackets, 6 Image Acquisition cameras, 7
Height adjusting support mechanism, 71 outer tubes, 72 telescopic rods, 73 rotation axis, 74 regulating tanks, 75 locating pieces, 8 displays, 9 angles are surveyed
Gage, 10 card slots.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment:
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of physics gravity measurement demonstrating experiment table, including
Table top 1 and pillar 2, there are four the settings of pillar 2, and four pillars 2 are respectively supported at the lower surface corner location of table top 1, pass through
Four pillars 2 play the role of support to table top 1, and pillar 2 can be set as according to demand can height adjustment pillar, can
Suitable for different use environments；
The upper surface of table top 1 by supporting shaft assembly to be connected with flip angle support plate 3, flip angle support plate 3 it is upper
It is provided with dynamometer 4 and mounting bracket 5 on the right side of surface, dynamometer 4 is fixedly connected on flip angle branch by installation set and screw
On the upper surface of fagging 3, the upside of mounting bracket 5 is embedded with Image Acquisition camera 6,6 face dynamometry of Image Acquisition camera
The measurement display area of meter 4, the upper surface right end of table top 1 are equipped with display 8, Image Acquisition camera 6 by data line with
The data transmission interface of display 8 connects, and the measurement hook setting of dynamometer 4 places (as shown in Figure 1) towards left side, is measuring
Testee is hung up on hook, after flip angle support plate 3 is started certain angle, testee is in flip angle support plate
It is moved to the left on 3, so that measurement numerical value can be shown on dynamometer 4, in order to avoid 3 skin-friction force of flip angle support plate is to quilt
It surveys object to impact, the surface of flip angle support plate 3 is polished smooth, be considered as flip angle support plate 3 herein and be tested
Frictional force is nearly zero between object, is acquired and passes through by the measured value that Image Acquisition camera 6 shows dynamometer 4
Display 8 is shown, so that student watches the numerical value that dynamometer 4 is shown by display 8；
The left side central portion of flip angle support plate 3 offers card slot 10, is fixedly mounted on the left of the upper surface of table top 1 angled
Measuring scale 9, angle measuring scale 9 are located in card slot 10, center origin and the flip angle support plate 3 of flip angle support plate 3
The intersection of support shaft axis；
The lower surface of table top 1 is connected with height adjusting support mechanism 7, the upper end of height adjusting support mechanism 7 by bracket
It is connected to the bottom of flip angle support plate 3 by pin shaft, by the supporting role of height adjusting support mechanism 7, can will turn over
Gyration support plate 3 supports.
The bottom end of pillar 2 is socketed with support sleeve, and support sleeve is rubber set, the setting covered by rubber, energy
Enough play the effect of buffering.
Display 8 is liquid crystal display.
Flip angle support plate 3 includes Supporting plate and the radially connected support shaft in Supporting plate front-rear side walls left end,
Support shaft is mounted on the left of the upper surface of table top 1 by axle bed, by the mating reaction of support shaft and axle bed, can facilitate support
The inverting action of plate body.
The radial width of card slot 10 is greater than the thickness of angle measuring scale 9, and flip angle support plate 3 is in rotation, card slot 10
Inner wall and angle measuring scale 9 between the case where will not generating friction.
The right end of flip angle support plate 3 has been connected by screw to pull ring, by the setting of pull ring, facilitates flip angle branch
The overturning pulling function of fagging 3.
Height adjusting support mechanism 7 includes outer tube 71 and the telescopic rod 72 being plugged in outer tube 71, outer tube 71
Rotation axis 73 is provided on side wall, rotation axis 73 is connect with the bracket of 1 lower surface of table top, along housing on the outer wall of outer tube 71
The axis direction of pipe 71 offers regulating tank 74, and locating piece 75 is plugged in regulating tank 74, and locating piece 75 is outer with telescopic rod 72
Wall connection, telescopic rod 72 can the telescopic moving in outer tube 71, and by locating piece 75 fastening positioning after, can be by telescopic rod
Relative position between 72 and outer tube 71 carries out positioning action, opposite between telescopic rod 72 and outer tube 71 so as to prevent
It is mobile, to have the function that locking.
Locating piece 75 includes the screw rod for being screwed onto telescopic rod 72 and the knob of setting screw rod outer end, and screw rod is by turning knob
It is fastened between outer tube 71, screw rod extends to the outside of regulating tank 74, and knob is fixedly connected with screw rod, passes through knob spiral shell
Bar is realized and is tightened between knob and outer tube 71 to turn screw rod into telescopic rod 72, by the effect of friction, is realized
Position positions between telescopic rod 72 and outer tube 71.
Working principle: setting the angle of flip angle support plate 3 and horizontal plane as θ, and the quality of testee is m, then its
Gravity G=mg, due to gravity G be straight down, by gravity G according to flip vertical angle support plate 3 and it is parallel overturning
Angle support plate 3 carries out Vector modulation, then point for the vertical power for the parallel flip angle support plate 3 of gravity G that dynamometer 4 measures
Amount, then 3 measured value of flip angle support plate is F=Gsin θ；
Angle is that θ is read by the position corresponding with angle measuring scale 9 of flip angle support plate 3；
The height of flip angle support plate 3 is adjusted by height adjusting support mechanism 7 and to the flip angle branch after adjusting
3 position of fagging carries out positioning action；
The measured value shown on dynamometer 4 is acquired by Image Acquisition camera 6 and passes through display 8 and is shown
It is shown as using, to pass through the numerical value energy that display 8 is shown therefore obtain the pass between angle, θ, testee gravity G and measured value
System, and pass through the Vector modulation of relationship progress study idea.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms；Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
Interior, any reference signs in the claims should not be construed as limiting the involved claims.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of physics gravity measurement demonstrating experiment table, including table top (1) and pillar (2), it is characterised in that: the pillar
(2) there are four setting, and four pillars (2) are respectively supported at the lower surface corner location of table top (1), the table top (1) it is upper
Surface is set on the right side of the upper surface of the flip angle support plate (3) by supporting shaft assembly to be connected with flip angle support plate (3)
It is equipped with dynamometer (4) and mounting bracket (5), the dynamometer (4) is fixedly connected on flip angle branch by installation set and screw
It on the upper surface of fagging (3), is embedded with Image Acquisition camera (6) on the upside of the mounting bracket (5), described image acquisition is taken the photograph
As the measurement display area of head (6) face dynamometer (4), the upper surface right end of the table top (1) is equipped with display (8), institute
It states Image Acquisition camera (6) to connect by data line with the data transmission interface of display (8), the flip angle support plate
(3) left side central portion offers card slot (10), is fixedly installed with angle measuring scale (9), institute on the left of the upper surface of the table top (1)
It states angle measuring scale (9) to be located in card slot (10), the lower surface of the table top (1) is connected with height adjusting support machine by bracket
The upper end of structure (7), the height adjusting support mechanism (7) is connected to the bottom of flip angle support plate (3) by pin shaft.
2. a kind of physics gravity measurement demonstrating experiment table according to claim 1, it is characterised in that: the pillar (2)
Bottom end be socketed with support sleeve, and support sleeve is rubber set.
3. a kind of physics gravity measurement demonstrating experiment table according to claim 1, it is characterised in that: the display
It (8) is liquid crystal display.
4. a kind of physics gravity measurement demonstrating experiment table according to claim 1, it is characterised in that: the flip angle
Support plate (3) includes Supporting plate and the radially connected support shaft in Supporting plate front-rear side walls left end, and the support shaft passes through
Axle bed is mounted on the left of the upper surface of table top (1).
5. a kind of physics gravity measurement demonstrating experiment table according to claim 1, it is characterised in that: the card slot (10)
Radial width be greater than angle measuring scale (9) thickness.
6. a kind of physics gravity measurement demonstrating experiment table according to claim 1, it is characterised in that: the flip angle
The right end of support plate (3) has been connected by screw to pull ring.
7. a kind of physics gravity measurement demonstrating experiment table according to claim 1, it is characterised in that: the height adjustment
Supporting mechanism (7) includes outer tube (71) and the telescopic rod (72) being plugged in outer tube (71), the side of the outer tube (71)
It is provided on wall rotation axis (73), the rotation axis (73) connect with the bracket of table top (1) lower surface, the outer tube (71)
It is offered regulating tank (74) on outer wall along the axis direction of outer tube (71), is plugged with locating piece in the regulating tank (74)
(75), the locating piece (75) connect with the outer wall of telescopic rod (72).
8. a kind of physics gravity measurement demonstrating experiment table according to claim 7, it is characterised in that: the locating piece
It (75) include the screw rod for being screwed onto telescopic rod (72) and the knob that screw rod outer end is set, the screw rod is by turning knob and housing
It is fastened between pipe (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910858709.8A CN110491255A (en) | 2019-09-11 | 2019-09-11 | A kind of physics gravity measurement demonstrating experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910858709.8A CN110491255A (en) | 2019-09-11 | 2019-09-11 | A kind of physics gravity measurement demonstrating experiment table |
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| Publication Number | Publication Date |
|---|---|
| CN110491255A true CN110491255A (en) | 2019-11-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910858709.8A Pending CN110491255A (en) | 2019-09-11 | 2019-09-11 | A kind of physics gravity measurement demonstrating experiment table |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113099125A (en) * | 2021-04-28 | 2021-07-09 | 范迪喜 | Electric power operation, maintenance and overhaul system based on augmented reality technology |
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| CN206524062U (en) * | 2017-02-16 | 2017-09-26 | 郭春景 | A kind of new mechanics physical experiment apparatus |
| KR20180008364A (en) * | 2017-12-21 | 2018-01-24 | 이가현 | Friction, Movement Trajectory, Acceleration Experiment Kit |
| CN108806417A (en) * | 2018-05-15 | 2018-11-13 | 蒙濛 | The synthesis of power and decomposition integration experiment instrument on inclined-plane |
| CN109961676A (en) * | 2017-12-26 | 2019-07-02 | 刘方旭 | A kind of inclined plane demonstrator for Physical Experiment |
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Patent Citations (8)
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| CN104658326A (en) * | 2015-02-05 | 2015-05-27 | 四川科业教学仪器设备有限责任公司 | Multifunctional experimental demonstration/teaching worktable |
| CN205281913U (en) * | 2016-01-19 | 2016-06-01 | 段佳彤 | Inclined plane gravity decomposes teaching demonstration ware |
| CN206249720U (en) * | 2016-11-30 | 2017-06-13 | 萍乡学院 | A kind of physics teaching experiment of in dined plane probes into device |
| CN206524062U (en) * | 2017-02-16 | 2017-09-26 | 郭春景 | A kind of new mechanics physical experiment apparatus |
| CN106875786A (en) * | 2017-04-09 | 2017-06-20 | 嘉兴新博信息科技有限公司 | A kind of rotary body teaching demonstration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113099125A (en) * | 2021-04-28 | 2021-07-09 | 范迪喜 | Electric power operation, maintenance and overhaul system based on augmented reality technology |
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Application publication date: 20191122 |