CN201489711U - Novel electric Archimedean principle demonstration instrument - Google Patents
Novel electric Archimedean principle demonstration instrument Download PDFInfo
- Publication number
- CN201489711U CN201489711U CN2009201596581U CN200920159658U CN201489711U CN 201489711 U CN201489711 U CN 201489711U CN 2009201596581 U CN2009201596581 U CN 2009201596581U CN 200920159658 U CN200920159658 U CN 200920159658U CN 201489711 U CN201489711 U CN 201489711U
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- spring
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- test panel
- remote control
- motor
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Abstract
The utility model provides a novel electric Archimedean principle demonstration instrument, which relates to an Archimedean principle demonstration instrument. An experiment panel is fixed on an electric remote control lifting machine, two identical springs are fixed above the experiment panel, a heavy object is hanged under the left spring A, a small barrel is hanged under the right spring B, pointers of the two springs are firstly regulated before the experiment so that the printers can point to the same position of a dial, in addition, a deep overflowing water cup filled with water is placed right under the object hanged by the spring A, then, a push button arranged on a lifting machine remote controller is pressed down for dropping down the experiment panel, and the object is gradually soaked into the water. Because the object bears the effect of the floating force, the pointer of the spring A gradually moves up. At the same time, water discharged by the object flows into the small barrel under the spring B through the overflowing water cup, so the pointer of the spring B gradually moves down. When the object is stopped in any position, the upwards moving distance of the pointer of the spring A is equal to the downwards moving distance of the pointer of the spring B, i.e. the floating force exerted on the object is equal to the gravity of water discharged by the object.
Description
Technical field:
The utility model relates to a kind of device of demonstrating Archimedes principle, especially can draw the electric demonstration instrument of Archimedes principle by direct contrast.
Background technology:
Contrast with traditional experiment: the experimental technique that traditional teaching material obtains Archimedes principle is " drainage ", and promptly the water that object is arranged collects weighing once, will find that its weight just equals the size of buoyancy.But poor visibility during the weight beam reading, and must carry out abstract calculating to multi-group data and just can obtain a result, being unfavorable for that the student understands, whole process operation gets up and very bothers.
The utility model content:
The purpose of this utility model provides a kind of novel electronic Archimedes principle demonstrator, and it only need simply press the button in the remote control, just can clearly, intuitively, comprehensively demonstrate and the checking Archimedes principle, and without any need for calculating.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: it is made up of electric remote control lifter 1 and test panel 2; Test panel 2 be fixed on electric lift 1 above, test panel 2 is provided with index dial 2-1, A spring 2-2, B spring 2-3 and pointer 2-4, index dial 2-1 is wide rectangle striped, A spring 2-2 and B spring 2-3 are fixed on the test panel 2, A spring 2-2 is arranged on the left side of test panel 2, B spring 2-3 is arranged on the right of test panel 2, and A spring 2-2 and B spring 2-3 are identical, the below of left side A spring 2-2 hangs a weight 3, the below of the right B spring 2-3 hangs a keg 4, and pointer 2-4 is separately positioned on A spring 2-2 and the B spring 2-3, and points to the same position of index dial 2-1.
The density of described weight 3 should be selected and be a bit larger tham water and object in irregular shape, is provided with a dark spilling water cup 5 below weight 3; Keg 4 bottoms can suitably add a little counterweights, with the same position of the pointed index dial of regulating two springs.
Described electric remote control lifter 1 is controlled by telepilot, and telepilot is provided with button A and button B.
The base of described electric remote control lifter 1 is made up of two metal tube 1-1, motor 1-2, accumulator 1-4, remote signal receiver 1-5 and switch 1-3; Motor 1-2 vertically is fixed in the middle of two upright metal tube 1-1 and rotating shaft makes progress, and remote signal receiver 1-5 and motor 1-2 are connected in parallel on the accumulator, and switch is connected on the main line.After opening switch, press button A and button B in the remote control respectively, signal receiver can control that sense of current is rotated shaft of motor round about in the motor, stops to press then rotating shaft and stops operating.
The support of described electric remote control lifter is made up of metal tube 1-6, thin metal rod 1-7, nut 1-8, nut seat 1-10, leading screw 1-9; Two vertical metal tube 1-6 on the support are thinner slightly than two metal tube 1-1's on the base.It is inserted respectively among two metal tube 1-1 on the base, and the bottom of leading screw 1-9 is connected with motor 1-2; Press A, B button on the telepilot respectively, motor rotary shaft will drive leading screw and rotate in opposite direction; The nut 1-8 of leading screw is fixed on the nut seat 1-10 of support, at the uniform velocity rises or descends so the rotation of leading screw can drive entire bracket.In the motion process of support, leading screw plays a supportive role by nut seat, and the metal tube 1-6 on the support rises or descends along the metal tube 1-1 of base, but protective cradle does not tilt.Be welded with two thin metal rod 1-7 in cantilever tip, on thin metal rod 1-10, hang up test panel 2, can realize at the uniform velocity rising and descending, thereby finish experimental implementation with the remote control control panel.
Principle of work: two metal tubes on the support are enclosed within respectively in the metal tube on the base, and the bottom of leading screw and motor are joined.Press A, B button on the telepilot respectively, sense of current in the signal receiver may command motor is rotated the motor drives leading screw in opposite direction; Because nut is fixed on the nut seat of support, at the uniform velocity rises or descend so the rotation of leading screw can drive support; On the metal tube of cantilever tip, be welded with two with thin metal rod, on Metallic rod, hang up panel, can drive panel and at the uniform velocity rise and descend.
Working specification: test panel is fixed on the electric remote control lifter, at two identical springs of test panel upper fixed, left side A spring is hung a weight down, the right B spring is hung a keg down, the pointer of regulating earlier two springs before the experiment makes their point to the same position of index dial, and puts a dark spilling water cup of filling water under A object that spring is hung.Press the button in the lifter remote control then, test panel is descended, object immerses in the water gradually.Because object has been subjected to buoyancy function, the pointer of A spring moves up gradually.Simultaneously the water that arranges of object moves down the pointer of B spring in the spilling water cup flows to keg under the B spring gradually.When arbitrary position stopped, the distance that the pointer of A spring moves up all equaled the distance that the pointer of B spring moves down.Be that buoyancy that object is subjected to equals it and arranges the gravity that liquid is subjected to.
After object all was immersed in the water, the button by in the remote control made object continue to move downward, and can see that the pointer of A spring no longer moves up, and illustrated that the buoyancy that object is subjected to has nothing to do with the degree of depth that it is immersed in the liquid.
This instrument can also be demonstrated and swim in the buoyancy that the object on the liquid level is subjected to and also equal the gravity that it arranges liquid.Be still before the experiment under two springs and hang up properly object and keg respectively, and regulate pointer, make them still point to same position.Other gets a less object of density and is placed in the spilling water cup of filling water, and it is swum on the liquid level.The water that object arranges flows in the keg by the spilling water cup, so the pointer of B spring moves down.This object is taken out from water, dries, it is hung under the A spring then, can see that the pointer of A spring also has been moved down into same position.Hence one can see that gravity that floating object is subjected to equals gravity (G that its liquid of arranging is subjected to
Thing=G
Discharge opeing), and the buoyancy that floating object is subjected to equals its gravity (F
Floating=G
Thing).So, swim in buoyancy that the object on the liquid level is subjected to and also equal it and arrange the gravity (F that liquid is subjected to
Floating=G
Discharge opeing).
The utlity model has following beneficial effect: can be at any time the suffered buoyancy of object and object be arranged the suffered gravity of liquid and directly contrast, can be clear, when demonstrating out intuitively object and partly or entirely immersing in the liquid, and buoyancy that is subjected to when floating and the relation (F that arranges liquid gravity
Floating=G
Row).Can also illustrate that the size of buoyancy and the degree of depth that object is immersed in the liquid are irrelevant.Thereby can comprehensively demonstrate and verify Archimedes principle.Apparatus structure, principle are simple, and intuitive is strong, are convenient to the student and understand.The use of remote control lift machine makes experimental implementation become simple and easy to do.And it is cheap.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model telepilot 3;
Fig. 3 is the understructure synoptic diagram of electric remote control lifter 1;
Fig. 4 is the structural representation of the utility model electric remote control lifter 1 support.
Embodiment:
Referring to Fig. 1-4, this embodiment by the following technical solutions: it is made up of electric remote control lifter 1 and test panel 2; Test panel 2 be fixed on electric lift 1 above, test panel 2 is provided with index dial 2-1, A spring 2-2, B spring 2-3 and pointer 2-4, index dial 2-1 is wide rectangle striped, A spring 2-2 and B spring 2-3 are fixed on the test panel 2, A spring 2-2 is arranged on the left side of test panel 2, B spring 2-3 is arranged on the right of test panel 1, and A spring 2-2 and B spring 2-3 are identical, the below of left side A spring 2-2 hangs a weight 3, the below of the right B spring 2-3 hangs a keg 4, and pointer 2-4 is separately positioned on A spring 2-2 and the B spring 2-3, and points to the same position of index dial 2-1.
The density of described weight 3 should be selected and be a bit larger tham water and object in irregular shape, is provided with a dark spilling water cup 5 below weight 3; Keg 4 bottoms can suitably add a little counterweights, with the same position of the pointed index dial of regulating two springs.
Described electric remote control lifter 1 is controlled by telepilot, and telepilot is provided with button A and button B.
The base of described electric remote control lifter 1 is made up of two metal tube 1-1, motor 1-2, accumulator 1-4, remote signal receiver 1-5 and switch 1-3; Motor 1-2 vertically is fixed in the middle of two upright metal tube 1-1 and rotating shaft makes progress, and remote signal receiver 1-5 and motor 1-2 are connected in parallel on the accumulator, and switch is connected on the main line.After opening switch, press button A and button B in the remote control respectively, signal receiver can control that sense of current is rotated shaft of motor round about in the motor, stops to press then rotating shaft and stops operating.
The support of described electric remote control lifter is made up of metal tube 1-6, thin metal rod 1-7, nut 1-8, nut seat 1-10, leading screw 1-9; Two vertical metal tube 1-6 on the support are thinner slightly than two metal tube 1-1's on the base.It is inserted respectively among two metal tube 1-1 on the base, and the bottom of leading screw 1-9 is connected with motor 1-2; Press A, B button on the telepilot respectively, motor rotary shaft will drive leading screw and rotate in opposite direction; The nut 1-8 of leading screw is fixed on the nut seat 1-10 of support, at the uniform velocity rises or descends so the rotation of leading screw can drive entire bracket.In the motion process of support, leading screw plays a supportive role by nut seat, and the metal tube 1-6 on the support rises or descends along the metal tube 1-1 of base, but protective cradle does not tilt.Be welded with two thin metal rod 1-7 in cantilever tip, on thin metal rod 1-10, hang up test panel 2, can realize at the uniform velocity rising and descending, thereby finish experimental implementation with the remote control control panel.
Principle of work: two metal tubes on the support are enclosed within respectively in the metal tube on the base, and the bottom of leading screw and motor are joined.Press A, B button on the telepilot respectively, sense of current in the signal receiver may command motor is rotated the motor drives leading screw in opposite direction; Because nut is fixed on the nut seat of support, at the uniform velocity rises or descend so the rotation of leading screw can drive support; On the metal tube of cantilever tip, be welded with two with thin metal rod, on Metallic rod, hang up panel, can drive panel and at the uniform velocity rise and descend.
Working specification: test panel is fixed on the electric remote control lifter, at two identical springs of test panel upper fixed, left side A spring is hung a weight down, the right B spring is hung a keg down, the pointer of regulating earlier two springs before the experiment makes their point to the same position of index dial, and puts a dark spilling water cup of filling water under A object that spring is hung.Press the button in the lifter remote control then, test panel is descended, object immerses in the water gradually.Because object has been subjected to buoyancy function, the pointer of A spring moves up gradually.Simultaneously the water that arranges of object moves down the pointer of B spring in the spilling water cup flows to keg under the B spring gradually.When arbitrary position stopped, the distance that the pointer of A spring moves up all equaled the distance that the pointer of B spring moves down.Be that buoyancy that object is subjected to equals it and arranges the gravity that liquid is subjected to.
After object all was immersed in the water, the button by in the remote control made object continue to move downward, and can see that the pointer of A spring no longer moves up, and illustrated that the buoyancy that object is subjected to has nothing to do with the degree of depth that it is immersed in the liquid.
This instrument can also be demonstrated and swim in the buoyancy that the object on the liquid level is subjected to and also equal the gravity that it arranges liquid.Be still before the experiment under two springs and hang up properly object and keg respectively, and regulate pointer, make them still point to same position.Other gets a less object of density and is placed in the spilling water cup of filling water, and it is swum on the liquid level.The water that object arranges flows in the keg by the spilling water cup, so the pointer of B spring moves down.This object is taken out from water, dries, it is hung under the A spring then, can see that the pointer of A spring also has been moved down into same position.Hence one can see that gravity that floating object is subjected to equals gravity (G that its liquid of arranging is subjected to
Thing=G
Discharge opeing), and the buoyancy that floating object is subjected to equals its gravity (F
Floating=G
Thing).So, swim in buoyancy that the object on the liquid level is subjected to and also equal it and arrange the gravity (F that liquid is subjected to
Floating=G
Discharge opeing).
The utlity model has following beneficial effect: can be at any time the suffered buoyancy of object and object be arranged the suffered gravity of liquid and directly contrast, can be clear, when demonstrating out intuitively object and partly or entirely immersing in the liquid, and the buoyancy that is subjected to when floating and the relation (F that arranges liquid gravityFloating＝G
Row). Can also illustrate that the size of buoyancy and the degree of depth that object is immersed in the liquid are irrelevant. Thereby can comprehensively demonstrate and verify Archimedes principle. Apparatus structure, principle are simple, and intuitive is strong, are convenient to the student and understand. The use of remote-control elevator makes experimental implementation become simple and easy to do. And cheap.
Claims (3)
1. novel Archimedes principle demonstrator is characterized in that it is made up of electric remote control lifter (1) and test panel (2); Test panel (2) be fixed on electric lift (1) above, test panel (2) is provided with index dial (2-1), A spring (2-2), B spring (2-3) and pointer (2-4), index dial (2-1) is wide rectangle striped, A spring (2-2) and B spring (2-3) are fixed on the test panel (2), A spring (2-2) is arranged on the left side of test panel (2), B spring (2-3) is arranged on the right of test panel (2), and A spring (2-2) and B spring (2-3) are identical, the below of left side A spring (2-2) hangs a weight (3), the below of the right B spring (2-3) hangs a keg (4), pointer (2-4) is separately positioned on A spring (2-2) and the B spring (2-3), and points to the same position of index dial (2-1).
2. a kind of novel Archimedes principle demonstrator according to claim 1 is characterized in that the base of described electric remote control lifter (1) is made up of two metal tubes (1-1), motor (1-2), accumulator (1-4), remote signal receiver (1-5) and switch (1-3); Motor (1-2) vertically is fixed in the middle of two upright metal tubes (1-1) and rotating shaft makes progress, and remote signal receiver (1-5) and motor (1-2) are connected in parallel on the accumulator.
3. a kind of novel Archimedes principle demonstrator according to claim 1 is characterized in that the support of described electric remote control lifter is made up of metal tube (1-6), thin metal rod (1-7), nut (1-8), nut seat (1-10), leading screw (1-9); Two vertical metal tubes (1-6) on the support are thinner slightly than two metal tubes (1-1) on the base, insert in two metal tubes (1-1) on the base, and the bottom of leading screw (1-9) is connected with motor (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201596581U CN201489711U (en) | 2009-06-11 | 2009-06-11 | Novel electric Archimedean principle demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201596581U CN201489711U (en) | 2009-06-11 | 2009-06-11 | Novel electric Archimedean principle demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489711U true CN201489711U (en) | 2010-05-26 |
Family
ID=42428581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201596581U Expired - Fee Related CN201489711U (en) | 2009-06-11 | 2009-06-11 | Novel electric Archimedean principle demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201489711U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128236A (en) * | 2016-08-22 | 2016-11-16 | 谢冰 | A kind of weightless free rotary-cut force phenomenon teaching demonstration device |
| CN113790993A (en) * | 2021-09-15 | 2021-12-14 | 合肥天诺测控科技有限公司 | Sanitary ware rapid cooling and heating resistance test device |
-
2009
- 2009-06-11 CN CN2009201596581U patent/CN201489711U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128236A (en) * | 2016-08-22 | 2016-11-16 | 谢冰 | A kind of weightless free rotary-cut force phenomenon teaching demonstration device |
| CN113790993A (en) * | 2021-09-15 | 2021-12-14 | 合肥天诺测控科技有限公司 | Sanitary ware rapid cooling and heating resistance test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20110611 |