CN108847098B - Physical experiment teaching demonstration device - Google Patents
Physical experiment teaching demonstration device Download PDFInfo
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- CN108847098B CN108847098B CN201810601859.6A CN201810601859A CN108847098B CN 108847098 B CN108847098 B CN 108847098B CN 201810601859 A CN201810601859 A CN 201810601859A CN 108847098 B CN108847098 B CN 108847098B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/12—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of liquids or gases
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Abstract
The invention discloses a physical experiment teaching demonstration device which comprises a supporting mechanism, wherein the upper end of the supporting mechanism is fixedly connected with a stress plate, the upper end of the stress plate is fixedly connected with an operation table, the upper end of the operation table is respectively and fixedly connected with a first fixing plate and a second fixing plate, the upper end of the first fixing plate is provided with a slope experiment mechanism, the upper end of the second fixing plate is provided with a buoyancy testing mechanism, the supporting mechanism comprises two bases, the upper ends of the two bases are respectively and rotatably connected with a first threaded rod, supporting rods are respectively arranged above the two first threaded rods, threaded cavities are respectively arranged inside the two supporting rods, and the two first threaded rods penetrate through the lower ends of the supporting rods on the same side and are in threaded connection with the threaded cavities. The invention has reasonable structural design, can automatically adjust the angle of the slope, has good accuracy, can visually express the buoyancy principle and is convenient for students to understand.
Description
Technical Field
The invention relates to the technical field of physical teaching, in particular to a physical experiment teaching demonstration device.
Background
Scientific and technological is first productivity, and along with the continuous promotion of national economy, the state is also constantly increasing to the attention degree of education, and in the middle school, the physics class is a very important and difficult subject, in the physics field, has a lot of comparatively abstract experiments, and in order to supplementary teaching, some physics mr can help the student to understand through some teaching aid.
In a physical experiment, a slope is a frequently used teaching aid, small balls with different masses slide down at different angles respectively, so that students can understand the relation among physical variables such as gravitational potential energy, mass, speed and the like conveniently, and how to adjust the angle of the slope automatically according to different conditions is a problem to be solved; in the experiment of buoyancy test, how to intuitively let the student understand the buoyancy phenomenon is a problem that must be solved by a good demonstration device, and therefore a physical experiment teaching demonstration device is designed to solve the problem.
Disclosure of Invention
The invention aims to solve the problems that the existing demonstration device is too complicated and inaccurate in angle when the angle of a slope is adjusted, and the existing buoyancy demonstration device is insufficient in intuition.
In order to achieve the purpose, the invention adopts the following technical scheme:
physical experiment teaching presentation device, including supporting mechanism, supporting mechanism's upper end fixedly connected with atress board, the upper end fixedly connected with operation panel of atress board, the first fixed plate of upper end difference fixedly connected with and the second fixed plate of operation panel, the upper end of first fixed plate is equipped with slope experimental mechanism, the upper end of second fixed plate is equipped with buoyancy accredited testing organization.
Preferably, the supporting mechanism includes two bases, two the upper end of base is all rotated and is connected with first threaded rod, two the top of first threaded rod all is equipped with the bracing piece, two the inside of bracing piece all is equipped with the screw thread chamber, two first threaded rod all runs through the lower extreme of bracing piece with one side and rather than screw thread chamber threaded connection, and two the upper end lateral wall of bracing piece all with the lower extreme fixed connection of atress board, one of them the first servo motor of upper end fixedly connected with of base, the first action wheel of the terminal fixedly connected with of output shaft of first servo motor, one of them the lateral wall fixedly connected with of first threaded rod and first action wheel intermeshing's first from the driving wheel, two be connected with drive mechanism between the first threaded rod.
Preferably, the transmission mechanism comprises two transmission wheels arranged on the outer side walls of the two first threaded rods, and a transmission belt is connected between the two transmission wheels.
Preferably, the slope experiment mechanism comprises a vertical rod arranged on the side wall of a first fixing plate, the outer side wall of the vertical rod is provided with a first scale mark, the outer side wall of the vertical rod is connected with a sliding ring in a sliding manner, the side wall of the sliding ring is connected with an inclined plate in a rotating manner, the side wall of one end, close to the sliding ring, of the inclined plate is fixedly connected with a photosensitive sensor, the upper end of the first fixing plate is provided with a limiting groove, a first magnet is connected in the limiting groove in a sliding manner, one end, far away from the sliding ring, of the inclined plate is connected with the upper end of the first magnet in a rotating manner, the side wall of one end, far away from the vertical rod, of the first fixing plate is fixedly connected with a first fixing block, the side wall of the first fixing block is horizontally provided with a first limiting rod, the first limiting rod penetrates, the lateral wall of the third fixed block rotates and is connected with a second threaded rod, one end of the second threaded rod, which is far away from the third fixed block, penetrates through the lateral wall of the second fixed block and is connected with the lateral wall of the second fixed block in a rotating way, the lateral wall of the first fixed plate is connected with a second magnet in a sliding way, the second threaded rod penetrates through the lateral wall of the second magnet and is connected with the lateral wall of the second magnet in a threaded way, the lateral wall of the second threaded rod is fixedly connected with a second driven wheel, the lateral wall of the first fixed plate is fixedly connected with a second servo motor, the tail end of an output shaft of the second servo motor is fixedly connected with a second driving wheel which is mutually meshed with the second driven wheel, the lateral wall of the second fixed block, which is opposite to the lateral wall of the second magnet, the second limiting rod penetrates through the lateral wall of the second magnet and is, the lateral wall fixedly connected with stop gear of first magnetite, stop gear's upper end is equipped with the time-recorder.
Preferably, the limiting mechanism comprises a third fixing plate arranged at the upper end of the first magnet, the upper end of the third fixing plate is connected with a sliding plate in a sliding manner, the side wall of the inclined plate is provided with a groove, the sliding plate extends into the groove and is connected with the side wall of the groove in a sliding manner, the upper end of the sliding plate is fixedly connected with a supporting block, the upper end of the supporting block is provided with a first arc-shaped plate, the side wall of the first arc-shaped plate is provided with an arc-shaped groove, the inner side wall of the arc-shaped groove is fixedly connected with a second arc-shaped plate, the side wall of the first arc-shaped plate is fixedly connected with an elastic block, the second arc-shaped plate and the elastic block are both made of rubber materials, the upper end of the third fixing plate is provided with a sliding groove, the inner bottom of the sliding groove is connected with a supporting plate, the inner side wall of the sliding groove is fixedly connected with a third limiting rod, the third limiting rod penetrates through the side wall of the supporting plate and is in sliding connection with the side wall of the supporting plate, the upper end of the sliding plate is fixedly connected with a fourth fixing plate, the upper end of the fourth fixing plate is fixedly connected with the lower end of the timer, and the side wall of the elastic block abuts against a switch of the timer.
Preferably, the side wall of the sliding ring is fixedly connected with an L-shaped rod, the side wall of the L-shaped rod is fixedly connected with a protractor, and the protractor is made of a transparent material.
Preferably, the buoyancy testing mechanism comprises two vertical plates and a first basin body which are arranged at the upper end of a second fixing plate, the first basin body is positioned between the two vertical plates, limiting plates are arranged at the opposite ends of the two vertical plates, T-shaped grooves are formed in the side walls of the two limiting plates, third magnets are slidably connected in the two T-shaped grooves, the two limiting plates are made of ferromagnetic materials, horizontal plates are fixedly connected at the upper ends of the two vertical plates, wire conduits penetrate through the side walls of the two horizontal plates, a first water tank is arranged at the upper end of the first basin body, a fifth fixing plate is arranged on the inner side wall of the first water tank, a second basin body is fixedly connected at the side wall of the second basin body opposite to the fifth fixing plate, a spring dynamometer is arranged above the first basin body, and a lifting block is fixedly connected at the upper end of the spring dynamometer, two the upper end of third magnetite all is equipped with the stay cord, two the stay cord all through the conduit and all with the upper end fixed connection of elevator, the lateral wall from the top down of the first basin body runs through in proper order and is equipped with first water service pipe, second water service pipe and third water service pipe, first water service pipe extends to in the second basin, the second water service pipe runs through the lateral wall of the first basin body and the lateral wall of the second basin body in proper order and offsets with the interior bottom of second basin, the third water service pipe runs through the lateral wall of the first basin body and offsets with the interior bottom of first basin, the lateral wall of first water service pipe, second water service pipe and third water service pipe all is equipped with control flap, the first basin body and the second basin body are transparent material and make.
Preferably, the lateral wall of limiting plate is equipped with the second scale mark.
Compared with the prior art, the invention has the beneficial effects that:
1. the height of atress board and operation panel can be adjusted by oneself to supporting mechanism's setting can be according to mr's use habit, the difference of height to be convenient for mr's demonstration.
2. Be equipped with slope test mechanism and buoyancy test mechanism on the operation panel, can carry out two physical experiments simultaneously to teacher's teaching efficiency has been improved to a certain extent.
3. The horizontal reciprocating motion of second magnetite can be realized in the setting of second servo motor, second action wheel, second follow driving wheel, second threaded rod second gag lever post, when second magnetite horizontal migration, can drive the horizontal reciprocating motion of first magnetite, when first magnetite removes, under the effect of slip ring, can realize the regulation of swash plate angle, can observe the change of swash plate angle according to the protractor.
4. When the angle of swash plate when changing, the swash plate plays certain effort to first arc, and when the swash plate angle increased, the swash plate drove first arc and makes the sliding plate keep away from the recess gradually, when the swash plate angle reduces, under the effect of spring and backup pad, in can making the sliding plate slide gradually in the recess to guarantee that first arc offsets with the lateral wall of swash plate all the time, guarantee when the spheroid falls at the eminence, can drop in the arc all the time.
5. The detection block is connected with a hook of the spring dynamometer, and under the action of the third magnet, the pull rope, the wire guide pipe, the lifting block and the spring dynamometer, the buoyancy detection of the detection block can be realized.
6. The first water through pipe can realize injecting liquid into the second water tank, the first water tank can collect liquid overflowing from the second water tank, and the second water through pipe and the third water through pipe can respectively discharge the liquid in the second water tank and the first water tank.
In conclusion, the invention has reasonable structural design, can automatically adjust the angle of the slope, has good accuracy, can intuitively show the buoyancy principle and is convenient for students to understand.
Drawings
FIG. 1 is a schematic structural diagram of a physical experiment teaching demonstration device according to the present invention;
FIG. 2 is an enlarged view of a structure at the position A of the physical experiment teaching demonstration device provided by the invention;
FIG. 3 is an enlarged view of a structure at the position B of the physical experiment teaching demonstration device provided by the invention;
FIG. 4 is an enlarged view of a structure at position C of the physical experiment teaching demonstration device provided by the present invention;
FIG. 5 is an enlarged view of a structure at position D of the physical experiment teaching demonstration device provided by the present invention;
FIG. 6 is an enlarged view of a structure at position E of the physical experiment teaching demonstration device provided by the present invention;
fig. 7 is a top view of a limiting plate of the physical experiment teaching demonstration device provided by the invention.
In the figure: 1 base, 2 first threaded rod, 3 first servo motor, 4 first driving wheel, 5 first driven wheel, 6 driving wheel, 7 driving belt, 8 supporting rod, 9 stress plate, 10 operating platform, 11 third fixing block, 12 vertical rod, 13 inclined plate, 14 first limiting rod, 15 first fixing block, 16 second fixing plate, 17 third water through pipe, 18 vertical plate, 19 pull rope, 20 limiting plate, 21 lifting block, 22 wire conduit, 23 spring dynamometer, 24 horizontal plate, 25 first basin body, 26 fifth fixing plate, 27 second basin body, 28 first water through pipe, 29 second water through pipe, 30 third magnet, 31 second magnet, 32 first magnet, 33 second limiting rod, 34 second threaded rod, 35 third fixing plate, 36 fourth fixing plate, 37 timer, 38 elastic block, 39 second arc plate, 40 first arc plate, 41 supporting plate, 42 third limiting rod, 43 spring, 44 protractor, 45L-shaped rods, 46 sliding rings, 47 photosensitive sensors, 48 first fixed plates, 49 second fixed blocks, 50 second servo motors, 51 second driving wheels, 52 second driven wheels and 53 sliding plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, a physical experiment teaching demonstration device comprises a supporting mechanism, the upper end of the supporting mechanism is fixedly connected with a stress plate 9, the supporting mechanism comprises two bases 1, the upper ends of the two bases 1 are rotatably connected with first threaded rods 2, supporting rods 8 are arranged above the two first threaded rods 2, threaded cavities are arranged inside the two supporting rods 8, the two first threaded rods 2 penetrate through the lower ends of the supporting rods 8 on the same side and are in threaded connection with the threaded cavities, the upper end side walls of the two supporting rods 8 are fixedly connected with the lower end of the stress plate 9, the upper end of one base 1 is fixedly connected with a first servo motor 3, the tail end of an output shaft of the first servo motor 3 is fixedly connected with a first driving wheel 4, the outer side wall of one first threaded rod 2 is fixedly connected with a first driven wheel 5 which is meshed with the first driving wheel 4, be connected with drive mechanism between two first threaded rod 2, drive mechanism is connected with drive belt 7 including setting up two drive wheels 6 at two first threaded rod 2 lateral walls between two drive wheels 6, and drive mechanism's setting can guarantee synchronous rotation in the time of two first threaded rod 2 to realize the lifting of atress board 9 and operation panel 10.
An operation table 10 is fixedly connected to the upper end of the stress plate 9, a first fixing plate 48 and a second fixing plate 16 are fixedly connected to the upper end of the operation table 10 respectively, a slope experiment mechanism is arranged at the upper end of the first fixing plate 48 and comprises a vertical rod 12 arranged on the side wall of the first fixing plate 48, a first scale mark is arranged on the outer side wall of the vertical rod 12, a sliding ring 46 is slidably connected to the outer side wall of the vertical rod 12, an inclined plate 13 is rotatably connected to the side wall of the sliding ring 46, a photosensitive sensor 47 is fixedly connected to the side wall of one end, close to the sliding ring 46, of the inclined plate 13, a limiting groove is arranged at the upper end of the first fixing plate 48, a first magnet 32 is slidably connected in the limiting groove, one end, far away from the sliding ring 46, of the inclined plate 13 is rotatably connected to the upper end of the first magnet 32, a first fixing block 15 is fixedly connected to, the first limit rod 14 penetrates through the side wall of the first magnet 32 and is connected with the side wall in a sliding manner, the front side wall of the first fixing plate 48 is respectively provided with a second fixing block 49 and a third fixing block 11, the side wall of the third fixing block 11 is rotatably connected with a second threaded rod 34, one end of the second threaded rod 34, far away from the third fixing block 11, penetrates through the side wall of the second fixing block 49 and is rotatably connected with the side wall of the second fixing block 11, the side wall of the first fixing plate 48 is connected with a second magnet 31 in a sliding manner, the second threaded rod 34 penetrates through the side wall of the second magnet 31 and is connected with the side wall of the second magnet in a threaded manner, the outer side wall of the second threaded rod 34 is fixedly connected with a second driven wheel 52, the side wall of the first fixing plate 48 is fixedly connected with a second servo motor 50, the tail end of an output shaft of the second servo motor 50 is fixedly connected with a second, the second limiting rod 33 penetrates through the side wall of the second magnet 31 and is in sliding connection with the side wall of the second magnet 31, the opposite side wall magnetic poles of the first magnet 32 and the second magnet 31 are opposite, the side wall of the first magnet 32 is fixedly connected with a limiting mechanism, the upper end of the limiting mechanism is provided with a timer 37, the limiting mechanism comprises a third fixing plate 35 arranged at the upper end of the first magnet 32, the upper end of the third fixing plate 35 is in sliding connection with a sliding plate 53, the side wall of the inclined plate 13 is provided with a groove, the sliding plate 53 extends into the groove and is in sliding connection with the side wall of the groove, the upper end of the sliding plate 53 is fixedly connected with a supporting block, the upper end of the supporting block is provided with a first arc-shaped plate 40, the side wall of the first arc-shaped plate 40 is provided with an arc-shaped groove, the inner side wall of the arc-shaped groove is, the upper end of the third fixing plate 35 is provided with a sliding groove, the inner bottom of the sliding groove is connected with a supporting plate 41 in a sliding way, the side wall of the supporting plate 41 is abutted against the side wall of the sliding plate 53, a plurality of springs 43 are connected between the side wall of the supporting plate 41 and the inner side wall of the sliding groove, the inner side wall of the sliding groove is fixedly connected with a third limiting rod 42, the third limiting rod 42 penetrates through the side wall of the supporting plate 41 and is connected with the side wall of the supporting plate in a sliding way, the upper end of the sliding plate 53 is fixedly connected with a fourth fixing plate 36, the upper end of the fourth fixing plate 36 is fixedly connected with the lower end of the timer 37, the side wall of the elastic block 38 is abutted against the switch of the timer 37, the arrangement of the limiting mechanism can ensure that the side wall of the first arc plate 40 is always abutted against the side wall of the inclined plate 13, when the spheroid does not contact with photosensitive sensor 47, the main control unit that photosensitive sensor 47 electricity is connected can start the switch of time-recorder 37 to realize timing work, when the spheroid dropped in the arc wall, the vibrations of its production can close the switch through elasticity piece 38, thereby realize timing work.
The upper end of the second fixing plate 16 is provided with a buoyancy testing mechanism, the buoyancy testing mechanism comprises two vertical plates 18 and a first basin 25 which are arranged at the upper end of the second fixing plate 16, the first basin 25 is arranged between the two vertical plates 18, the opposite ends of the two vertical plates 18 are respectively provided with a limiting plate 20, the side walls of the two limiting plates 20 are respectively provided with a T-shaped groove, the two T-shaped grooves are respectively connected with a third magnet 30 in a sliding manner, the two limiting plates 20 are made of ferromagnetic materials, the side walls of the limiting plates 20 are provided with second scale marks, the unification of the positions of the two third magnets 30 can be ensured under the action of the second scale marks, the upper ends of the two vertical plates 18 are respectively fixedly connected with a horizontal plate 24, the side walls of the two horizontal plates 24 are respectively provided with a conduit 22 in a penetrating manner, the upper end of the first basin 25 is provided with a first water tank, the opposite inner side walls of the first water, a second water tank is arranged at the upper end of the second basin body 27, a spring dynamometer 23 is arranged above the first basin body 25, a lifting block 21 is fixedly connected at the upper end of the spring dynamometer 23, pull ropes 19 are arranged at the upper ends of the two third magnets 30, the two pull ropes 19 are fixedly connected with the upper end of the lifting block 21 through guide pipes 22, a first water pipe 28, a second water pipe 29 and a third water pipe 17 sequentially penetrate through the side wall of the first basin body 25 from top to bottom, the first water pipe 28 extends into the second water tank, the second water pipe 29 sequentially penetrates through the side wall of the first basin body 25 and the side wall of the second basin body 27 and abuts against the inner bottom of the second water tank, the third water pipe 17 penetrates through the side wall of the first basin body 25 and abuts against the inner bottom of the first water tank, control valves are arranged on the side walls of the first water pipe 28, the second water pipe 29 and the third water pipe 17, the first basin body 25 and the second basin body 27 are made of transparent material, when needs carry out the buoyancy experiment, from first water service pipe 28 toward second basin in the injection liquid, first basin can be collected the liquid that overflows in the second basin, will detect the couple connection of piece and spring dynamometer 23, when detecting the piece stop oscillation, observe the numerical value of spring dynamometer 23, simultaneously with two third magnetite 30 up movements, drive spring dynamometer 23 and detect the whereabouts of piece, and make and detect the piece and remove to in the liquid, when detecting the piece and being steady motionless, record spring dynamometer 23's numerical value, subtract the numerical value that the back was recorded with the numerical value of preceding record, can obtain the buoyancy size that detects the piece and received.
In the invention, when the heights of the stress plate 9 and the operation platform 10 need to be adjusted to meet the requirements of a user, the first servo motor 3 can be started to drive the first driving wheel 4 and the first driven wheel 5 to rotate, the two first threaded rods 2 can be simultaneously rotated under the action of the transmission mechanism, the stress plate 9 is fixedly connected to the upper ends of the two support rods 8 together, so that the stress plate 9 and the operation platform 10 can be lifted, after the height adjustment is finished, when a ball falling experiment needs to be carried out, the second servo motor 50 is started firstly to drive the second driving wheel 51 and the second driven wheel 52 to rotate, as the second threaded rod 34 is in threaded connection with the second magnet 31, and the second limit rod 33 is in sliding connection with the second magnet 30, the horizontal reciprocating movement of the second magnet 31 can be realized, so that the horizontal reciprocating movement of the first magnet 32 is driven, when the position of the first magnet 32 changes, the angle of the inclined plate 13 can be changed, a user can measure the angle of the inclined plate 13 according to the protractor 44, when the angle of the inclined plate 13 increases, the inclined plate 13 drives the first arc-shaped plate 40 to enable the sliding plate 53 to gradually keep away from the groove, when the angle of the inclined plate 13 decreases, the sliding plate 53 can gradually slide into the groove under the action of the spring 43 and the supporting plate 41, so that the first arc-shaped plate 40 always abuts against the side wall of the inclined plate 13, the ball can always fall into the arc-shaped groove when falling at a high place, the ball abuts against the photosensitive sensor 47 to be loosened, the ball can fall and roll under the gravity, when the ball is not in contact with the photosensitive sensor 47, the main controller electrically connected with the photosensitive sensor 47 can start the switch of the timer 37, so that the timing work is realized, when the ball falls into the arc-shaped groove, the generated vibration can close the switch through the elastic block 38, thereby realizing the timing work, according to the mass of the ball, the angle and height of the inclined plate 13 and the falling time, the relation between physical parameters can be obtained, when a buoyancy test is required, liquid is injected into the second water tank from the first water pipe 28, the first water tank can collect the liquid overflowing from the second water tank, the detection block is connected with the hook of the spring dynamometer 23, when the detection block stops swinging, the numerical value of the spring dynamometer 23 is observed, simultaneously, the two third magnets 30 move upwards to drive the spring dynamometer 23 and the detection block to fall down, and the detection block moves into the liquid, when the detection block is stable and motionless, the value of the spring dynamometer 23 is recorded, and the value recorded in the front is subtracted from the value recorded in the back, so that the buoyancy value received by the detection block can be obtained.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The physical experiment teaching demonstration device comprises a supporting mechanism and is characterized in that the upper end of the supporting mechanism is fixedly connected with a stress plate (9), the upper end of the stress plate (9) is fixedly connected with an operation table (10), the upper end of the operation table (10) is respectively and fixedly connected with a first fixing plate (48) and a second fixing plate (16), the upper end of the first fixing plate (48) is provided with a slope experiment mechanism, and the upper end of the second fixing plate (16) is provided with a buoyancy test mechanism;
the supporting mechanism comprises two bases (1), the upper ends of the two bases (1) are respectively rotatably connected with a first threaded rod (2), supporting rods (8) are respectively arranged above the two first threaded rods (2), threaded cavities are respectively arranged inside the two supporting rods (8), the two first threaded rods (2) respectively penetrate through the lower ends of the supporting rods (8) on the same side and are in threaded connection with the threaded cavities, the side walls of the upper ends of the two supporting rods (8) are respectively fixedly connected with the lower end of a stress plate (9), the upper end of one base (1) is fixedly connected with a first servo motor (3), the tail end of an output shaft of the first servo motor (3) is fixedly connected with a first driving wheel (4), the outer side wall of one first threaded rod (2) is fixedly connected with a first driven wheel (5) which is mutually meshed with the first driving wheel (4), a transmission mechanism is connected between the two first threaded rods (2);
the slope experiment mechanism comprises a vertical rod (12) arranged on the side wall of a first fixing plate (48), the outer side wall of the vertical rod (12) is provided with a first scale mark, the outer side wall of the vertical rod (12) is connected with a sliding ring (46) in a sliding manner, the side wall of the sliding ring (46) is connected with an inclined plate (13) in a rotating manner, one end of the inclined plate (13) close to the sliding ring (46) is fixedly connected with a photosensitive sensor (47), the upper end of the first fixing plate (48) is provided with a limiting groove, a first magnet (32) is connected in the limiting groove in a sliding manner, one end of the inclined plate (13) far away from the sliding ring (46) is connected with the upper end of the first magnet (32) in a rotating manner, one end of the first fixing plate (48) far away from the vertical rod (12) is fixedly connected with a first fixing block (15), the side, first gag lever post (14) run through the lateral wall of first magnetite (32) and rather than lateral wall sliding connection, the preceding lateral wall of first fixed plate (48) is equipped with second fixed block (49) and third fixed block (11) respectively, the lateral wall of third fixed block (11) rotates and is connected with second threaded rod (34), the one end that third fixed block (11) was kept away from in second threaded rod (34) runs through the lateral wall of second fixed block (49) and rotates rather than the lateral wall and is connected, the lateral wall sliding connection of first fixed plate (48) has second magnetite (31), second threaded rod (34) run through the lateral wall of second magnetite (31) and rather than lateral wall threaded connection, the lateral wall fixedly connected with second of second threaded rod (34) follows driving wheel (52), the lateral wall fixedly connected with second servo motor (50) of first fixed plate (48), the output shaft end fixedly connected with of second servo motor (50) follows driving wheel (52) intermeshing with the second and a second driving wheel (51) is combined, the opposite side walls of the second fixed block (49) and the third fixed block (11) are fixedly connected with a second limiting rod (33), the second limiting rod (33) penetrates through the side wall of the second magnet (31) and is in sliding connection with the side wall of the second magnet, the opposite side wall magnetic poles of the first magnet (32) and the second magnet (31) are opposite, the side wall of the first magnet (32) is fixedly connected with a limiting mechanism, and the upper end of the limiting mechanism is provided with a timer (37);
the limiting mechanism comprises a third fixing plate (35) arranged at the upper end of a first magnet (32), the upper end of the third fixing plate (35) is connected with a sliding plate (53) in a sliding manner, the side wall of the inclined plate (13) is provided with a groove, the sliding plate (53) extends into the groove and is connected with the side wall of the groove in a sliding manner, the upper end of the sliding plate (53) is fixedly connected with a supporting block, the upper end of the supporting block is provided with a first arc-shaped plate (40), the side wall of the first arc-shaped plate (40) is provided with an arc-shaped groove, the inner side wall of the arc-shaped groove is fixedly connected with a second arc-shaped plate (39), the side wall of the first arc-shaped plate (40) is fixedly connected with an elastic block (38), the second arc-shaped plate (39) and the elastic block (38) are both made of rubber materials, the upper end of the third, the side wall of the supporting plate (41) is abutted against the side wall of the sliding plate (53), a plurality of springs (43) are connected between the side wall of the supporting plate (41) and the inner side wall of the sliding groove, a third limiting rod (42) is fixedly connected to the inner side wall of the sliding groove, the third limiting rod (42) penetrates through the side wall of the supporting plate (41) and is in sliding connection with the side wall of the supporting plate, a fourth fixing plate (36) is fixedly connected to the upper end of the sliding plate (53), the upper end of the fourth fixing plate (36) is fixedly connected with the lower end of the timer (37), and the side wall of the elastic block (38) is abutted against a switch of the timer (37).
2. The physical experiment teaching demonstration device according to claim 1, wherein the transmission mechanism comprises two transmission wheels (6) arranged on the outer side walls of the two first threaded rods (2), and a transmission belt (7) is connected between the two transmission wheels (6).
3. The physical experiment teaching demonstration device according to claim 1, wherein an L-shaped rod (45) is fixedly connected to a side wall of the sliding ring (46), a protractor (44) is fixedly connected to a side wall of the L-shaped rod (45), and the protractor (44) is made of a transparent material.
4. The physical experiment teaching demonstration device according to claim 1, wherein the buoyancy testing mechanism comprises two vertical plates (18) and a first basin body (25) which are arranged at the upper end of a second fixing plate (16), the first basin body (25) is positioned between the two vertical plates (18), one ends of the two vertical plates (18) which are opposite are respectively provided with a limiting plate (20), the side walls of the two limiting plates (20) are respectively provided with a T-shaped groove, a third magnet (30) is slidably connected in the two T-shaped grooves, the two limiting plates (20) are both made of ferromagnetic materials, the upper ends of the two vertical plates (18) are respectively and fixedly connected with a horizontal plate (24), the side walls of the two horizontal plates (24) are respectively provided with a wire guide pipe (22) in a penetrating manner, the upper end of the first basin body (25) is provided with a first water tank, and the inner side walls of the first water tank which are opposite are respectively provided with a, the two opposite side walls of the fifth fixing plates (26) are fixedly connected with a second basin body (27), a second water tank is arranged at the upper end of the second basin body (27), a spring dynamometer (23) is arranged above the first basin body (25), a lifting block (21) is fixedly connected with the upper end of the spring dynamometer (23), pull ropes (19) are arranged at the upper ends of the two third magnets (30), the two pull ropes (19) are fixedly connected with the upper end of the lifting block (21) through guide pipes (22), a first water through pipe (28), a second water through pipe (29) and a third water through pipe (17) sequentially penetrate through the side walls of the first basin body (25) and the second basin body (27) from top to bottom, the first water through pipe (28) extends into the second water tank, the second water through pipe (29) sequentially penetrates through the side walls of the first basin body (25) and the second basin body (27) and offsets with the inner bottom of the second water tank, the third water passing pipe (17) runs through the side wall of the first basin body (25) and is abutted to the inner bottom of the first water tank, the side walls of the first water passing pipe (28), the second water passing pipe (29) and the third water passing pipe (17) are all provided with control valves, and the first basin body (25) and the second basin body (27) are made of transparent materials.
5. The physical experiment teaching demonstration device according to claim 4, wherein the side wall of the limiting plate (20) is provided with a second scale mark.
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| CN109272832B (en) * | 2018-11-30 | 2020-06-19 | 湖南文理学院 | Experimental device for conveniently adjusting inclination angle for college physical potential energy experiment |
| CN109658789B (en) * | 2019-01-08 | 2021-05-11 | 贾文证 | High school physics exchanges frequency conversion electromagnetic induction magnetization unit |
| CN109584691A (en) * | 2019-01-11 | 2019-04-05 | 鞠昊洋 | A kind of physics experiments of high school teaching demonstration device |
| CN110675707B (en) * | 2019-10-23 | 2021-06-01 | 芜湖市科源教学设备有限公司 | Demonstrator for force exertion and reaction force for teaching |
| CN113628513B (en) * | 2021-09-16 | 2023-05-16 | 盐城工学院 | Comprehensive experimental equipment for teaching material mechanics experiment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206524062U (en) * | 2017-02-16 | 2017-09-26 | 郭春景 | A kind of new mechanics physical experiment apparatus |
| CN107633745A (en) * | 2017-11-01 | 2018-01-26 | 苏畅 | A kind of buoyancy experiment equipment for physics teaching |
| CN207249970U (en) * | 2017-06-23 | 2018-04-17 | 西安理工大学 | A kind of Teachig-aid for infant studying of step-less adjustment orbit angle |
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| CN202816227U (en) * | 2012-09-19 | 2013-03-20 | 朱健民 | Buoyancy force dynamic visualization type experimental device |
| CN205384796U (en) * | 2016-01-29 | 2016-07-13 | 裴秋欣 | Middle school student's physical experiment analogue means |
| CN206471011U (en) * | 2016-12-01 | 2017-09-05 | 倪汝杭 | A kind of physics teaching experiment of in dined plane device |
| CN206961385U (en) * | 2017-04-25 | 2018-02-02 | 孙文旭 | Physical Experiment slope apparatus |
| CN206961383U (en) * | 2017-05-09 | 2018-02-02 | 张晋语 | A kind of physical teaching demonstration device for being easy to regulation |
| CN207155746U (en) * | 2017-05-27 | 2018-03-30 | 新昌县大市聚镇洪聚机械厂 | A kind of adjustable height power transmission shaft hanger |
| CN107610565B (en) * | 2017-11-01 | 2024-06-04 | 南京多产国际贸易咨询服务有限公司 | Buoyancy demonstration equipment for physical teaching |
| CN107958621A (en) * | 2018-01-25 | 2018-04-24 | 杨曙铭 | A kind of mechanics apparatus for demonstrating |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206524062U (en) * | 2017-02-16 | 2017-09-26 | 郭春景 | A kind of new mechanics physical experiment apparatus |
| CN207249970U (en) * | 2017-06-23 | 2018-04-17 | 西安理工大学 | A kind of Teachig-aid for infant studying of step-less adjustment orbit angle |
| CN107633745A (en) * | 2017-11-01 | 2018-01-26 | 苏畅 | A kind of buoyancy experiment equipment for physics teaching |
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