CN109166416A - A kind of mechanics experiment with simple pendulum test device - Google Patents
A kind of mechanics experiment with simple pendulum test device Download PDFInfo
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- CN109166416A CN109166416A CN201811010237.2A CN201811010237A CN109166416A CN 109166416 A CN109166416 A CN 109166416A CN 201811010237 A CN201811010237 A CN 201811010237A CN 109166416 A CN109166416 A CN 109166416A
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- simple pendulum
- circular tube
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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Abstract
The invention discloses a kind of mechanics experiment with simple pendulum test devices, including swing ball, U-shaped long slab, cycloid, fastening bolt, cube stick, positioning bolt, tapered lid, collision ball, long semi-circular tube, bearing, connecting rod, cylinder frame, circular electromagnets, round iron plate, T-type round bar, loading plate, slinky spring, fixed round bar, bar shaped slide opening, threaded hole, sensor for countering, timer, access panel, counter display, T-type sliding slot, T-type sliding block, single sheave and strip through-hole.It is of the invention novel in design, change the mode that tradition is swung with hand drawing swing ball starting, the function of providing by mechanical electric control operation for swing ball and swing power is provided, it is compact-sized, be conducive to write down the time used in entire swing process, convenient for calculating period of single pendulum faster, it is convenient to operate, the position adjustment fixing structure for increasing cycloid folding structure and swing ball supporting body achievees the effect that need to carry out multiple groups experiment test according to experiment.
Description
Technical field
The present invention relates to a kind of dilution dissolver, specifically a kind of mechanics experiment with simple pendulum test device belongs to mechanics and answers
Use technical field.
Background technique
Mechanics can rough segmentation be statics, kinematics and dynamics three parts, statics study power balance or object it is quiet
Only problem, kinematics only consider how object moves, and do not discuss that the relationship of it and institute's stress, dynamics discuss object of which movement and institute
The relationship of stress.
In carrying out mechanics experiment with simple pendulum, release is after experimenter can generally pull swing ball to proper height manually to realize
The case where offer single pendulum initial driving force carries out single pendulum operation, and there are discontinuity equalizations, mode is more old, while single pendulum process
In need experimenter to remember that single pendulum number and hand-held table second carry out timing, and lack and substitute manually-operated structure and counted
Number timing in order to guarantee that the reliability of experimental result generally will do it multiple groups experiment, and is replaced and changes cycloid length in the presence of random
Confusion is wrapped on corresponding construction and is not easy to next the problem of easily using.Therefore, a kind of power is proposed regarding to the issue above
Learn experiment with simple pendulum test device.
Summary of the invention
The object of the invention is that providing a kind of mechanics experiment with simple pendulum test device to solve the above-mentioned problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of mechanics experiment with simple pendulum test device, including pendulum
Line and long semi-circular tube, the cycloid one ends wound are mounted on single sheave, and single sheave is rotatably installed in strip through-hole, institute
It states strip through-hole and is provided with cube stick top surface middle position, and cube stick one end end face is equipped with tapered lid, it is described
For tapered lid by being connected to inside rectangular perforation and strip through-hole, the cube stick other end passes through T-type sliding block and corresponding T-type
Sliding slot is slidably connected, and T-type sliding slot is provided with vertically respectively on U-shaped long slab inner wall two sides, described cycloid one end side of sequentially passing through
Shape perforation and tapered lid are mounted on swing ball surface, and the U-shaped long slab bottom is mounted on carrying plate surface side middle position, and
The carrying plate surface other side is rotatably equipped with access panel, and bottom offers bar shaped slide opening, and bar shaped slide opening in the long semi-circular tube
Interior rolling is equipped with bearing, and the bearing inner ring is assemblied on the middle part body of rod of T-type round bar, and the middle part body of rod top of T-type round bar
Portion passes through bar shaped slide opening and is equipped with collision ball, and the collision ball is placed in long semi-circular tube, the long semi-circular tube bottom end peace
Equipped with fixed round bar, and the long semicircle bottom of the tube other end is equipped with cylinder frame, is set with slinky spring on the fixed round bar, and soft
Spring one end suit is fixed on T-type round bar one end, circular electromagnets is equipped in the cylinder frame, the cylinder frame is located at bar shaped
The corresponding one end of slide opening bottom port.
Preferably, the T-type round bar other end is equipped with round iron plate, and round iron plate side adsorption be fixed on it is logical
In the circular electromagnets of electricity.
Preferably, the long semi-circular tube both ends pass through connecting rod and are fixedly connected with loading plate top surface.
Preferably, intercommunicating pore, and two intercommunicating pore exterior side port peaces are offered in the middle part of the long semi-circular tube both side surface
Equipped with one group of two sensor for countering.
Preferably, the swing ball is placed on middle position in long semi-circular tube.
Preferably, one side surface of U-shaped long slab is equidistantly opened up vertically there are six threaded hole, and one of them described screw thread
Hole internal screw thread is connected with fastening bolt, and the U-shaped long slab is fastenedly connected by tightening fastening bolt with cube stick one end.
Preferably, the cube stick surface of the rectangular perforated top is threaded with positioning bolt, and positioning bolt one
End acts against on the cycloid in rectangular perforation.
Preferably, the observation plate surface side is equipped with counter display, and the access panel table of counter display side
Face is equipped with timer.
Preferably, the U-shaped long slab side surface bottom portion is equipped with battery, and battery by conductor wire respectively with circle
Shape electromagnet and the connection of sensor for countering electric wire.
Preferably, the tapered lid port and the interior middle part of long semi-circular tube are located on the same vertical plane.
The beneficial effects of the present invention are:
1. this kind of mechanics experiment with simple pendulum test device is novel in design, the side that tradition is swung with hand drawing swing ball starting is changed
Formula realizes the function of providing by mechanical electric control operation for swing ball and swing power.
2. this kind of mechanics experiment with simple pendulum test device is compact-sized, be conducive to write down the time used in entire swing process,
Convenient for calculating period of single pendulum faster.
3. the operation of this kind of mechanics experiment with simple pendulum test device is convenient, cycloid folding structure and swing ball supporting body are increased
Position adjustment fixing structure achievees the effect that need to carry out multiple groups experiment test according to experiment.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is the integrally-built side view of the present invention；
Fig. 3 is cube Strip block pattern schematic diagram of the present invention.
In figure: 1, swing ball, 2, U-shaped long slab, 3, cycloid, 4, fastening bolt, 5, cube stick, 6, positioning bolt, 7, tapered
Lid, 8, collision ball, 9, long semi-circular tube, 10, bearing, 11, connecting rod, 12, cylinder frame, 13, circular electromagnets, 14, round iron plate,
15, T-type round bar, 16, loading plate, 17, slinky spring, 18, fixed round bar, 19, bar shaped slide opening, 20, threaded hole, 21, counting sensing
Device, 22, timer, 23, access panel, 24, counter display, 25, T-type sliding slot, 26, T-type sliding block, 27, single sheave, 28, item
Shape through-hole.
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.
It please refers to shown in Fig. 1-3, a kind of mechanics experiment with simple pendulum test device, including cycloid 3 and long semi-circular tube 9, it is described
3 one ends wound of cycloid is mounted on single sheave 27, and single sheave 27 is rotatably installed in strip through-hole 28, the strip through-hole 28
It is provided with 5 top surface middle position of cube stick, and 5 one end end face of cube stick is equipped with tapered lid 7, the tapered lid 7
By rectangular perforation be connected to inside strip through-hole 28,5 other end of cube stick passes through T-type sliding block 26 and corresponding T-type
Sliding slot 25 is slidably connected, and T-type sliding slot 25 is provided with vertically respectively on U-shaped 2 inner wall two sides of long slab, described 3 one end of cycloid according to
Secondary to be mounted on 1 surface of swing ball across rectangular perforation and tapered lid 7, U-shaped 2 bottom of long slab is mounted on 16 surface one of loading plate
Side middle position, and the 16 surface other side of loading plate is rotatably equipped with access panel 23, bottom offers item in the long semi-circular tube 9
Shape slide opening 19, and rolled in bar shaped slide opening 19 and bearing 10 is installed, 10 inner ring of bearing is assemblied in the middle part bar of T-type round bar 15
Bar shaped slide opening 19 being passed through on body, and at the top of the middle part body of rod of T type round bar 15, collision ball 8 being installed, the collision ball 8 is placed on
In long semi-circular tube 9, long 9 bottom end of semi-circular tube is equipped with fixed round bar 18, and the 9 bottom other end of long semi-circular tube is equipped with
Cylinder frame 12 is set with slinky spring 17 on the fixed round bar 18, and 17 one end of slinky spring suit is fixed on T-type round bar 15 1
It holds, circular electromagnets 13 is installed in the cylinder frame 12, it is corresponding that the cylinder frame 12 is located at 19 bottom port of bar shaped slide opening
One end.
15 other end of T-type round bar is equipped with round iron plate 14, and 14 side adsorption of round iron plate be fixed on it is logical
In the circular electromagnets 13 of electricity, be conducive to for 14 magnetic absorption of round iron plate being fixed in circular electromagnets 13；The long semicircle
9 both ends of pipe pass through connecting rod 11 and are fixedly connected with 16 top surface of loading plate, achieve the effect that long semi-circular tube 9 is fixedly mounted；
Intercommunicating pore is offered in the middle part of 9 both side surface of long semi-circular tube, and two intercommunicating pore exterior side ports are equipped with two of one group
Sensor for countering 21 achievees the effect that write down number of oscillations；The swing ball 1 is placed on middle position in long semi-circular tube 9, is convenient for quilt
The collision ball 8 of moment movement, which collides, to be swung；2 one side surface of U-shaped long slab is equidistantly opened up vertically there are six threaded hole 20, and its
In 20 internal screw thread of threaded hole be connected with fastening bolt 4, the U type long slab 2 is by tightening fastening bolt 4 and cube
5 one end of stick is fastenedly connected, and is conducive to the position height for adjusting fixed cube stick 5 as needed；The rectangular perforated top
5 surface of cube stick be threaded with positioning bolt 6, and 6 one end of positioning bolt acts against the cycloid 3 in rectangular perforation
On, achieve the effect that fixed cycloid 3；The 23 surface side of access panel is equipped with counter display 24, and counter display 24
23 surface of access panel of side is equipped with timer 22, convenient for display observation number of oscillations and time；The U-shaped long slab 2 one
Side surface bottom is equipped with battery, and battery by conductor wire respectively with 21 electric wire of circular electromagnets 13 and sensor for countering
Connection, achievees the effect that power supply；Middle part is located on the same vertical plane in 7 port of tapered lid and long semi-circular tube 9, is conducive to
The swing ball 1 of 3 one end of cycloid drawing is located at middle position in long semi-circular tube 9.
In the use of the present invention, directly proportional with the square root of pendulum length according to the period that single pendulum does simple harmonic motion, with gravity plus
The square root of speed is inversely proportional, and the principle unrelated with the quality of amplitude, swing ball 1 carries out operation experiments, and experimenter is first by position
In the drawing of collision ball 8 in long semi-circular tube 9 to one end, since collision ball 8 is fixed on 15 top of T-type round bar and T-type round bar
15 are fixedly connected by bearing 10 with bar shaped slide opening 19, so that the collision ball 8 of drawing drives the circle of 15 one end of T-type round bar
14 magnetic absorption of shape iron plate is being powered in the magnetic circular electromagnets 13 of tool, while 15 other end of T-type round bar being pulled and is stretched
17 one end of slinky spring be fixed on, achieve the effect that with elastic shrinkage, then will by cycloid 3 vertically suspension drawing swing ball 1
It is placed on middle position in long semi-circular tube 9, after aforesaid operations, experimenter simultaneously switches off the electricity of circular electromagnets 13
Road, and open the power supply of sensor for countering 21 and open timer 22, so that circular electromagnets 13 lose magnetism no longer to circle
14 magnetic absorption of iron plate, thus elastic stretch slinky spring 17 act under, 17 one end of slinky spring shrink drive T-type round bar 15 and
8 moment of collision ball that its top is installed is mobile to initial position, and movement speed is moderate, since swing ball 1 is mobile positioned at collision ball 8
The side in direction, so movement collides ball 8 under the interaction of power faster, so that the swing ball 1 collided starts to swing, and
The collision ball 8 for moving to initial position does not influence the swing of swing ball 1, to change the side that tradition is swung with the hand drawing starting of swing ball 1
Formula, realizing through mechanical electric control operation is that swing ball 1 provides the function of swing power, and swing ball 1 is rocked to by bottommost every time
And be located at middle part and be equipped in the long semi-circular tube 9 of sensor for countering 21, to be conducive to write down 1 number of oscillations of swing ball, and pass through
The timer 22 being mounted on access panel 23 is conducive to write down the time used in entire swing process, convenient for calculating faster
Period of single pendulum；
When experimenter is compared by changing 3 length of the cycloid progress multiple groups comparative experiments of drawing swing ball 1, due to U-shaped
2 side of long slab is equidistantly opened up there are six threaded hole 20, and U-shaped long slab 2 is fixed 5 one end of cube stick by fastening bolt 4
Firmly, it so experimenter adjusts 5 placement location of cube stick according to 20 position height of constant worm pich hole, and is adjusted from high to low
Section, while one height of decline every time, experimenter rotates single sheave 27 and the winding of cycloid 3 is got up, and screwed in place bolt 6 is right
Cycloid 3 in rectangular perforation is fixed, and each cycloid 3 for adjusting drawing swing ball 1 is stretched out appropriate length to reach
Effect, the swing ball 1 for being conducive to suspention are located in long semi-circular tube 9, start to carry out experiment with simple pendulum again at this time, by aforesaid operations side
Formula tests each single pendulum of multiple groups.
The sensor for countering QT30CM and its mating that sensor for countering 21 is provided using Guangzhou Guang Hui Electronics Co., Ltd.
Power supply and circuit.
It is related to circuit and electronic component and module is the prior art, those skilled in the art may be implemented completely,
Without superfluous words, the content that the present invention protects is not related to the improvement for software and method yet.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that by fall in claim with all in the meaning and scope of important document
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of mechanics experiment with simple pendulum test device, including cycloid (3) and long semi-circular tube (9), it is characterised in that: the cycloid
(3) one ends wound is mounted on single sheave (27), and single sheave (27) is rotatably installed in strip through-hole (28), and the bar shaped is logical
Hole (28) is provided with cube stick (5) top surface middle position, and cube stick (5) one end end face is equipped with tapered lid (7),
For the tapered lid (7) by being connected to inside rectangular perforation and strip through-hole (28), cube stick (5) other end passes through T-type
Sliding block (26) is slidably connected with corresponding T-type sliding slot (25), and T-type sliding slot (25) is provided with U-shaped long slab (2) inner wall vertically respectively
On two sides, described cycloid (3) one end sequentially passes through rectangular perforation and tapered lid (7) is mounted on swing ball (1) surface, described U-shaped
Long slab (2) bottom is mounted on loading plate (16) surface side middle position, and loading plate (16) surface other side is rotatably equipped with
Access panel (23)；
The interior bottom of the long semi-circular tube (9) offers bar shaped slide opening (19), and rolls in bar shaped slide opening (19) and be equipped with bearing
(10), bearing (10) inner ring is assemblied on the middle part body of rod of T-type round bar (15), and the middle part body of rod top of T-type round bar (15)
Portion passes through bar shaped slide opening (19) and is equipped with collision ball (8), and the collision ball (8) is placed in long semi-circular tube (9), the long semicircle
Pipe (9) bottom end is equipped with fixed round bar (18), and long semi-circular tube (9) bottom other end is equipped with cylinder frame (12), described
It is set with slinky spring (17) on fixed round bar (18), and slinky spring (17) one end suit is fixed on T-type round bar (15) one end, it is described
It is equipped with circular electromagnets (13) in cylinder frame (12), it is corresponding that the cylinder frame (12) is located at bar shaped slide opening (19) bottom port
One end.
2. a kind of mechanics experiment with simple pendulum test device according to claim 1, it is characterised in that: the T-type round bar (15)
The other end is equipped with round iron plate (14), and round iron plate (14) side adsorption is fixed on the circular electromagnets (13) of energization
On.
3. a kind of mechanics experiment with simple pendulum test device according to claim 1, it is characterised in that: the long semi-circular tube (9)
Both ends pass through connecting rod (11) and are fixedly connected with loading plate (16) top surface.
4. a kind of mechanics experiment with simple pendulum test device according to claim 1, it is characterised in that: the long semi-circular tube (9)
Intercommunicating pore is offered in the middle part of both side surface, and two intercommunicating pore exterior side ports are equipped with one group of two sensor for countering
(21)。
5. a kind of mechanics experiment with simple pendulum test device according to claim 1, it is characterised in that: the swing ball (1) is placed
In long semi-circular tube (9) interior middle position.
6. a kind of mechanics experiment with simple pendulum test device according to claim 1, it is characterised in that: the U-shaped long slab (2) one
Side surface is equidistantly opened up vertically there are six threaded hole (20), and one of them described threaded hole (20) internal screw thread is connected with fastening spiral shell
Bolt (4), the U-shaped long slab (2) are fastenedly connected by tightening fastening bolt (4) with cube stick (5) one end.
7. a kind of mechanics experiment with simple pendulum test device according to claim 1, it is characterised in that: the rectangular perforated top
Cube stick (5) surface be threaded with positioning bolt (6), and positioning bolt (6) one end acts against in rectangular perforation
Cycloid (3) on.
8. a kind of mechanics experiment with simple pendulum test device according to claim 1, it is characterised in that: access panel (23) table
Face side is equipped with counter display (24), and access panel (23) surface of counter display (24) side is equipped with timer
(22)。
9. a kind of mechanics experiment with simple pendulum test device according to claim 1, it is characterised in that: the U-shaped long slab (2) one
Side surface bottom is equipped with battery, and battery by conductor wire respectively with circular electromagnets (13) and sensor for countering (21)
Electric wire connection.
10. a kind of mechanics experiment with simple pendulum test device according to claim 1, it is characterised in that: tapered lid (7) end
Mouth is located on the same vertical plane with middle part in long semi-circular tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010237.2A CN109166416A (en) | 2018-08-31 | 2018-08-31 | A kind of mechanics experiment with simple pendulum test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010237.2A CN109166416A (en) | 2018-08-31 | 2018-08-31 | A kind of mechanics experiment with simple pendulum test device |
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| Publication Number | Publication Date |
|---|---|
| CN109166416A true CN109166416A (en) | 2019-01-08 |
Family
ID=64893715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811010237.2A Pending CN109166416A (en) | 2018-08-31 | 2018-08-31 | A kind of mechanics experiment with simple pendulum test device |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539025A (en) * | 2021-07-29 | 2021-10-22 | 上海应用技术大学 | Initial value sensitive type variable distance magnetic force pendulum experimental device |
| CN113593379A (en) * | 2021-08-15 | 2021-11-02 | 张航恺 | Simple pendulum presentation device for physics experiments |
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| CN105070155A (en) * | 2015-09-11 | 2015-11-18 | 孟凡尧 | Circular motion teaching demonstration instrument and use method thereof |
| CN206040003U (en) * | 2016-06-28 | 2017-03-22 | 河南工业职业技术学院 | Projectile motion presentation device |
| CN206097619U (en) * | 2016-05-04 | 2017-04-12 | 赤峰学院 | Simple pendulum presentation device |
| CN206115808U (en) * | 2016-08-12 | 2017-04-19 | 刘明阳 | Simple pendulum tester convenient to adjust |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB255891A (en) * | 1925-07-22 | 1927-01-06 | Jules Gernaert | Improvements in or relating to striking mechanism for clocks |
| US4738032A (en) * | 1982-06-07 | 1988-04-19 | Elmer William B | Inertial pendulum |
| CN201229691Y (en) * | 2008-06-26 | 2009-04-29 | 徐祺芳 | Single pendulum experiment instrument |
| CN105070155A (en) * | 2015-09-11 | 2015-11-18 | 孟凡尧 | Circular motion teaching demonstration instrument and use method thereof |
| CN206097619U (en) * | 2016-05-04 | 2017-04-12 | 赤峰学院 | Simple pendulum presentation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113539025A (en) * | 2021-07-29 | 2021-10-22 | 上海应用技术大学 | Initial value sensitive type variable distance magnetic force pendulum experimental device |
| CN113539025B (en) * | 2021-07-29 | 2022-11-01 | 上海应用技术大学 | Initial value sensitive type variable distance magnetic force pendulum experimental device |
| CN113593379A (en) * | 2021-08-15 | 2021-11-02 | 张航恺 | Simple pendulum presentation device for physics experiments |
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Application publication date: 20190108 |