CN204463605U - Archimedes principle quadruple inspection demonstrator - Google Patents
Archimedes principle quadruple inspection demonstrator Download PDFInfo
- Publication number
- CN204463605U CN204463605U CN201520085438.4U CN201520085438U CN204463605U CN 204463605 U CN204463605 U CN 204463605U CN 201520085438 U CN201520085438 U CN 201520085438U CN 204463605 U CN204463605 U CN 204463605U
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- China
- Prior art keywords
- row
- dynamometer
- floating
- graduated cylinder
- checking system
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Abstract
A kind of Archimedes principle quadruple inspection demonstrator, comprises demonstrator support, F
floatingchecking system, G
rowchecking system, graduated cylinder checking system, balance checking system five part, it proves the science of Archimedes principle by the weighing four processes of the display of triple digital metering and balance, its four processes respectively: 1, pass through F
floatingdynamometer directly reads the buoyancy F that hanging-connecting hook code is subject to
floating, 2, from G
rowdynamometer directly reads the gravity G of the water that hook code is discharged
row, 3, from graduated cylinder, directly read the volume V of the water that hook code is discharged
row, 4, the quality m of water that goes out to discharge with balance measurement
row(=m
2-m
1) etc. the result of quadruple inspection completely the same, its presentation process is very directly perceived, and understand at a glance, the demonstrating effect that it makes Archimedes principle test reaches ultimate attainment, and it overcomes in junior physics teaching material the deficiency of probing into Archimedes principle experiment existence up hill and dale.
Description
Technical field
The utility model relates to a kind of Archimedes principle quadruple inspection demonstrator.
Background technology
Junior physics teaching material equals, in what experiment, to measure the gravity of keg with weight beam in the size of probing into buoyancy
g 1; With cord, finger stone is hitched, under hanging over weight beam, measure the gravity of stone
g 2; Be immersed in completely by stone in the spilling water cup of filled with water, the liquid of spilling flows in keg, and the registration reading weight beam is
g 3; The total force of the liquid and keg of measuring discharge with weight beam is
g 4.Use buoyancy
f floating=
g 2-
g 3calculate buoyancy, with the gravity arranging liquid
g row=
g 4-
g 1, compare
f floatingwith
g rowmagnitude relationship draw Archimedes principle
f floating=
g row.Theory gets on to derive again
f floating=
ρ gV row =
m row g.the physical quantity of whole Experimental Research process measurement is more (4), also needs student to calculate, then compares the conclusion that result of calculation just can draw Archimedes principle, and student also will go derivation difficulty comparatively large on this basis, does not meet the human-subject test of junior middle school student; Teacher is when completing lecture experiment, and both hands are fettered by experiment equipment, can not break away from and guide the object of observation of student's emphasis, explanation key content; The volume that object immerses in liquid in an experiment can not control arbitrarily, be unfavorable for drawing out object height (
h) follow
f floatinggraph of a relation picture; Can not draw intuitively
f floating=
g row=
ρ gV row =
m row g.
Summary of the invention
In order to overcome the deficiency of the experiment existence probing into Archimedes principle in junior physics teaching material, the utility model provides a kind of Archimedes principle quadruple to check demonstrator, is proved the science of Archimedes principle by the weighing four processes of the display of triple digital metering and balance.
The utility model solves the scheme that its technical matters takes: a kind of Archimedes principle quadruple inspection demonstrator, comprise demonstrator support,
f floating checking system,
g rowchecking system, graduated cylinder checking system, balance checking system five part, demonstrator support 1 is provided with fixed pulley, front rolling
g rowdraw-gear, rear rolling
f floatingdraw-gear;
f floatingchecking system is made up of jointly the spilling water cup with drainpipe, shears platform, hanging-connecting hook code, and shears platform places on demonstrator support, and the spilling water cup of band drainpipe places on shears platform, and hanging-connecting hook code hangs over
f floatingafter on dynamometer, dynamometer pointer will move down, the position that dynamometer pointer is moved down into as
f floatingzero graduation line, this is with zero graduation line
f floatingdynamometer just directly can read the buoyancy of water that hanging-connecting hook code is subject in water
f floating, by rolling after hand left-right rotation
f floatingdraw-gear, can make
f floatingdynamometer and the lifting of hanging-connecting hook code one, (left-handed for rising, dextrorotation is for falling), during demonstration with hand to rolling after right rotation
f floatingdraw-gear, makes
f floatingdynamometer and hanging-connecting hook code decline, and are progressively immersed in the spilling water cup of band drainpipe, and stop the rotation, hanging-connecting hook code just can rest on any degree of depth in water, now just can be from
f floatingdynamometer directly reads the buoyancy that hanging-connecting hook code is subject to
f floatingsize; No matter many water flow to from the spilling water cup of band drainpipe in graduated cylinder assembly is and few,
g rowchecking system can accurately predict;
g rowdynamometric system by rope, funnel, graduated cylinder and
g rowdynamometer forms jointly, and rope one end is enclosed within graduated cylinder, and funnel places on graduated cylinder, and the rope other end is hung in
g rowon dynamometer [rope, funnel, graduated cylinder are referred to as graduated cylinder assembly], balance places on demonstrator support, the position of the left dish of balance with
g rowdynamometer and graduated cylinder three are vertical relation, when graduated cylinder assembly is suspended to
g rowtime on dynamometer, dynamometer pointer will move down, now just can be from
g rowdynamometer directly reads the gravity of graduated cylinder assembly, will
g rowthe position conduct that dynamometer moves down into
g rowzero graduation line, this is with zero graduation line
g rowdynamometer directly can read the gravity being discharged to the water of graduated cylinder assembly when hanging-connecting hook code sinks in the spilling water cup of band drainpipe
g row; Also directly read by graduated cylinder the volume that hanging-connecting hook code is drained through the water come
v row, use formula
ρ gV rowcalculate the gravity of the water arranged
g row; By rolling before hand left-right rotation
g rowdraw-gear, can make
g rowdynamometer and graduated cylinder assembly one lifting (left-handed for rising, dextrorotation for falling), by its lifting, can prove the science of Archimedes principle again by the weighing of balance, during demonstration with hand to rolling before right rotation
g rowdraw-gear, makes
g rowdynamometer and graduated cylinder assembly decline, and allow it place on the left dish of balance 4, just stop the rotation when rope bends, so just can measure the quality of graduated cylinder assembly from balance
m 1, also can use the same method and measure the gross mass that hanging-connecting hook code is drained through water and the graduated cylinder assembly come
m 2, use gross mass
m 2-
m 1 just cancalculate the quality that hanging-connecting hook code is drained through the water come
m row; Use formula
g row=
m row gcalculate
g row.
The beneficial effects of the utility model are, it can overcome in junior physics teaching material the deficiency of probing into Archimedes principle experiment and existing, and it passes through
f floatingdynamometer directly reads the buoyancy that hanging-connecting hook code is subject to
f floating, from
g rowdynamometer directly reads the gravity of the water that hook code is discharged
g row, from graduated cylinder, directly read the volume of the water that hook code is discharged
v row, the quality of water that goes out to discharge with balance measurement
m row(=
m 2-
m 1) etc. the result of quadruple inspection completely the same, the sufficient proof science of Archimedes principle, its presentation process is very directly perceived, and understand at a glance, the demonstrating effect that it makes Archimedes principle test reaches ultimate attainment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is in Fig. 1
g rowthe enlarged drawing of dynamometric system.
Fig. 3 is in Fig. 1
f floatingthe enlarged drawing of dynamometric system.
In Fig. 1,1-demonstrator support, 2-
g rowdynamometric system, 3-
f floatingdynamometric system, 4-balance, 5-fixed pulley, 6-front rolling
g rowdraw-gear, 7-rear rolling
f floatingdraw-gear, the spilling water cup of 8-band drainpipe, 9-shears platform, 10-hanging-connecting hook code, 11-rope, 12-funnel, 13-graduated cylinder.
Embodiment
As shown in Figure 1, the heavy demonstrator of a kind of Archimedes' principle five, is characterized in that: a kind of Archimedes principle quadruple inspection demonstrator, comprise demonstrator support,
f floating checking system,
g rowchecking system, graduated cylinder checking system, balance checking system five part, demonstrator support 1 is provided with fixed pulley 5, front rolling
g rowdraw-gear 6, rear rolling
f floatingdraw-gear 7;
f floatingchecking system 3 is by filled with water in the spilling water cup 8(cup of band drainpipe), shears platform 9, hanging-connecting hook code 10 form jointly, shears platform 9 places on demonstrator support 1, spilling water cup 8 with drainpipe places on shears platform 9, and hanging-connecting hook code 10 hangs over
f floatingafter on dynamometer, dynamometer pointer will move down, the position that dynamometer pointer is moved down into as
f floatingzero graduation line, this is with zero graduation line
f floatingdynamometer just directly can read the buoyancy of water that hanging-connecting hook code 10 is subject in water
f floating, by rolling after hand left-right rotation
f floatingdraw-gear 7, can make
f floatingdynamometer and the lifting of hanging-connecting hook code 10 1, (left-handed for rising, dextrorotation is for falling), during demonstration with hand to rolling after right rotation
f floatingdraw-gear 7, makes
f floatingdynamometer and hanging-connecting hook code decline, and are progressively immersed in the spilling water cup 8 of band drainpipe, and stop the rotation, hanging-connecting hook code 10 just can rest on any degree of depth in water, now just can be from
f floatingdynamometer directly reads the buoyancy that hanging-connecting hook code is subject to
f floatingsize; No matter many water flow to from the spilling water cup 8 of band drainpipe in graduated cylinder assembly is and few,
g rowchecking system 2 can accurately predict;
g rowdynamometric system 2 is by rope 11, funnel 12, graduated cylinder 13 and
g rowdynamometer forms jointly, and rope 11 one end is enclosed within graduated cylinder 13, and funnel 12 places on graduated cylinder 13, and rope 11 other end is hung in
g rowon dynamometer (rope 11, funnel 12, graduated cylinder 13 are referred to as graduated cylinder assembly), balance 4 places on demonstrator support 1, the position of the left dish of balance 4 with
g rowdynamometer and graduated cylinder 13 three are vertical relation, when graduated cylinder assembly is suspended to
g rowtime on dynamometer, dynamometer pointer will move down, now just can be from
g rowdynamometer directly reads the gravity of graduated cylinder assembly, will
g rowthe position conduct that dynamometer moves down into
g rowzero graduation line, this is with zero graduation line
g rowdynamometer directly can read the gravity being discharged to the water of graduated cylinder assembly when hanging-connecting hook code sinks in the spilling water cup 8 of band drainpipe
g row; Also directly read by graduated cylinder 13 volume that hanging-connecting hook code 10 is drained through the water come
v row, use formula
ρ gV rowcalculate the gravity of the water arranged
g row; By rolling before hand left-right rotation
g rowdraw-gear 6, can make
g rowdynamometer and graduated cylinder assembly one lifting (left-handed for rising, dextrorotation for falling), by its lifting, can prove the science of Archimedes principle again by the weighing of balance 4, during demonstration with hand to rolling before right rotation
g rowdraw-gear 6, makes
g rowdynamometer and graduated cylinder assembly decline, and allow it place on the left dish of balance 4, just stop the rotation when rope bends, so just can measure the quality of graduated cylinder assembly from balance 4
m 1, also can use the same method and measure the gross mass that hanging-connecting hook code 10 is drained through water and the graduated cylinder assembly come
m 2, use gross mass
m 2-
m 1 just cancalculate the quality that hanging-connecting hook code 10 is drained through the water come
m row; Use formula
g row=
m row gcalculate
g row.
Claims (1)
1. Archimedes principle quadruple inspection a demonstrator, it is characterized in that: comprise demonstrator support,
f floating checking system,
g rowchecking system, graduated cylinder checking system, balance checking system five part, demonstrator support (1) is provided with fixed pulley (5), front rolling
g rowdraw-gear (6), rear rolling
f floatingdraw-gear (7);
f floatingchecking system (3) forms jointly by being with the spilling water cup (8) of drainpipe, shears platform (9), hanging-connecting hook code (10), shears platform (9) places on demonstrator support (1), spilling water cup (8) with drainpipe places on shears platform (9), and hanging-connecting hook code (10) hangs over
f floatingafter on dynamometer, dynamometer pointer will move down, the position that dynamometer pointer is moved down into as
f floatingzero graduation line, this is with zero graduation line
f floatingdynamometer just directly can read the buoyancy of water that hanging-connecting hook code (10) is subject in water
f floating;
g rowdynamometric system (2) by rope (11), funnel (12), graduated cylinder (13) and
g rowdynamometer forms jointly, and rope (11) one end is enclosed within graduated cylinder (13), and funnel (12) places on graduated cylinder (13), and rope (11) other end is hung in
g rowon dynamometer, balance (4) places on demonstrator support (1), the position of balance (4) left dish with
g rowdynamometer and graduated cylinder (13) three are vertical relation, when graduated cylinder assembly is suspended to
g rowtime on dynamometer, dynamometer pointer will move down, now just can be from
g rowdynamometer directly reads the gravity of graduated cylinder assembly, will
g rowthe position conduct that dynamometer moves down into
g rowzero graduation line, this is with zero graduation line
g rowdynamometer directly can read the gravity being discharged to the water of graduated cylinder assembly when hanging-connecting hook code sinks in the spilling water cup (8) of band drainpipe
g row; Use formula
ρ gV rowcalculate the gravity of the water arranged
g row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085438.4U CN204463605U (en) | 2015-02-06 | 2015-02-06 | Archimedes principle quadruple inspection demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085438.4U CN204463605U (en) | 2015-02-06 | 2015-02-06 | Archimedes principle quadruple inspection demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204463605U true CN204463605U (en) | 2015-07-08 |
Family
ID=53670457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520085438.4U Expired - Fee Related CN204463605U (en) | 2015-02-06 | 2015-02-06 | Archimedes principle quadruple inspection demonstrator |
Country Status (1)
| Country | Link |
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| CN (1) | CN204463605U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334041A (en) * | 2015-12-06 | 2016-02-17 | 商洛学院 | Measuring instrument for stiffness coefficient of spring |
| CN107633745A (en) * | 2017-11-01 | 2018-01-26 | 苏畅 | A kind of buoyancy experiment equipment for physics teaching |
| CN109712495A (en) * | 2019-03-14 | 2019-05-03 | 西华师范大学 | A kind of Archimedes principle demonstrator |
| CN110197608A (en) * | 2018-02-26 | 2019-09-03 | 孙旭春 | A kind of buoyancy experiment device and experimental method for physics teaching |
-
2015
- 2015-02-06 CN CN201520085438.4U patent/CN204463605U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334041A (en) * | 2015-12-06 | 2016-02-17 | 商洛学院 | Measuring instrument for stiffness coefficient of spring |
| CN107633745A (en) * | 2017-11-01 | 2018-01-26 | 苏畅 | A kind of buoyancy experiment equipment for physics teaching |
| CN107633745B (en) * | 2017-11-01 | 2024-05-24 | 南京登峰机械制造有限公司 | Buoyancy experimental equipment for physical teaching |
| CN110197608A (en) * | 2018-02-26 | 2019-09-03 | 孙旭春 | A kind of buoyancy experiment device and experimental method for physics teaching |
| CN109712495A (en) * | 2019-03-14 | 2019-05-03 | 西华师范大学 | A kind of Archimedes principle demonstrator |
| CN109712495B (en) * | 2019-03-14 | 2024-05-24 | 西华师范大学 | Archimedes principle demonstration instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150708 Termination date: 20160206 |