CN209912280U

CN209912280U - Teaching device for simulating bowling ball stress kinetic energy transfer

Info

Publication number: CN209912280U
Application number: CN201822201264.XU
Authority: CN
Inventors: 杨贝宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2020-01-07
Anticipated expiration: 2028-12-26

Abstract

The utility model discloses a simulation bowling atress kinetic energy transmission teaching device. Relates to the technical field of teaching devices. The utility model discloses a: a rectangular bottom plate; a plurality of hemispherical grooves are formed in one end face of the rectangular bottom plate; the hemispherical grooves form an equilateral triangle array; a connecting piece is arranged in the hemispherical groove; the connecting piece is connected with the cylinder. The utility model has the advantages that the rectangular bottom plates are uniformly distributed into the connecting pieces arranged in a triangular array, and the connecting pieces are connected with the cylinders; after a power switch key is pressed down, the lamp ring is lightened, the coil wound on the peripheral side of the arc-shaped electromagnet is electrified, and the electromagnet magnetically adsorbs the connecting piece, so that the cylinders are vertically fixed to form a three-dimensional triangular array; when the striking ball strikes the cylinder of triangle-shaped battle array, the miniature pressure sensor of triangle-shaped battle array week side monitors and decocts pressure, and control chip control corresponds the power off of the winding coil of arc electro-magnet week side in the cylinder connecting piece, and the cylinder is impacted the lodging by the striking force, conveniently imparts knowledge to students and demonstrates the kinetic energy transmission.

Description

Teaching device for simulating bowling ball stress kinetic energy transfer

Technical Field

The utility model belongs to the technical field of teaching device, especially, relate to a simulation bowling atress kinetic energy transmission teaching device.

Background

In the teaching process, in order to enable students to understand the kinetic energy transmission of the collided objects more easily, devices are adopted for demonstrating the motion state of the collided objects. The study on the kinetic energy transmission of the cylinders distributed in the triangular array after being impacted by the impact ball shows how to better vividly show the characteristics of the kinetic energy transmission after the impact to students, which becomes a difficulty in teaching demonstration. The triangular array is impacted, and is similar to bowling ball impact in life, but the bowling ball game is not suitable for teaching demonstration in class as a teaching aid.

The utility model discloses a research and development simulation bowling atress kinetic energy transmission teaching device for solve triangle-shaped battle array and receive the problem of striking back kinetic energy transmission demonstration difficulty and unable decomposition kinetic energy transmission process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simulation bowling atress kinetic energy transmission teaching device, through the rectangle bottom plate equipartition become the triangle-shaped and battle the connecting piece of arranging and connect the cylinder on the connecting piece, the triangle-shaped battle back cylinder lodging that the striking ball striking cylinder constitutes presses down the state key when wanting to observe the intermediate state, the electro-magnet is fixed the cylinder again, make the cylinder keep the lodging state, solved triangle-shaped battle and hit back kinetic energy transmission demonstration difficulty and can't decompose the problem of kinetic energy transmission process.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a simulation bowling atress kinetic energy transmission teaching device, include: a rectangular bottom plate; a plurality of hemispherical grooves are formed in one end face of the rectangular bottom plate; the hemispherical grooves form an equilateral triangle array; a connecting piece is arranged in the hemispherical groove; the connecting piece is connected with the cylinder;

a plurality of arc-shaped grooves are annularly and uniformly distributed on the inner peripheral side of the hemispherical groove; the connecting piece comprises a plurality of arc electromagnets and a ball seat; the arc electromagnet is arranged in the arc groove in a matching way; the ball seat is arranged in the hemispherical groove in a clearance mode; the ball seat is of a spherical structure comprising a cutting plane; a sleeve shaft is fixed at the center position of the cutting plane; the sleeve shaft is in clearance fit with a through hole formed in the bottom surface of the column body; miniature pressure sensors are annularly and uniformly distributed on the periphery of the cylinder; the lamp ring is sleeved on the column body;

the bottom of the rectangular bottom plate is provided with a control chip and an energy storage battery; the energy storage battery supplies power to the control chip, the miniature pressure sensor, the lamp ring and the coil wound on the periphery of the arc-shaped electromagnet; the control chip is respectively and electrically connected with the coil wound around the arc-shaped electromagnet, the miniature pressure sensor and the lamp ring; a power switch key and a status key are arranged on the periphery of the rectangular bottom plate; the state key controls the on-off of the coil wound around the arc-shaped electromagnet;

a plurality of positioning hooks are uniformly distributed and fixed on the periphery of the rectangular bottom plate; the positioning hook is connected with an elastic rope; a movable impact ball is fixed on the elastic rope; if the diameter of the impact ball is D, the diameter of the column body is D, and the distance between the two column bodies is m; then it should satisfy: m < D <2D + m.

Preferably, the striking ball is a rubber ball; the elastic cord passes through the center of the impact ball along the diameter of the impact ball.

Preferably, stable suction cups are further arranged at four corners of the bottom surface of the rectangular bottom plate.

The utility model discloses following beneficial effect has:

1. the utility model has the advantages that the rectangular bottom plates are uniformly distributed into the connecting pieces arranged in a triangular array, and the connecting pieces are connected with the cylinders; after a power switch key is pressed down, the lamp ring is lightened, the coil wound on the peripheral side of the arc-shaped electromagnet is electrified, and the electromagnet magnetically adsorbs the connecting piece, so that the cylinders are vertically fixed to form a three-dimensional triangular array; when the impact ball impacts the cylinder of the triangular array, the miniature pressure sensors on the periphery of the triangular array monitor the decocting pressure, the control chip controls the coils wound on the periphery of the arc-shaped electromagnet in the corresponding cylinder connecting piece to be powered off, the cylinder is impacted and laid down by the impact force, and the kinetic energy transfer of the triangular array after being impacted is convenient to teach and demonstrate and is visual.

2. The utility model discloses after the cylinder is strikeed the lodging by the impact force, if want the detailed observation kinetic energy transfer process, press the state key, the winding coil circular telegram in arc electro-magnet week side, the ball seat difference electro-magnet of cylinder bottom is adsorbed, and the cylinder that is inclining is adsorbed and is no longer emptyd, more conveniently observes kinetic energy transfer process.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a teaching device for simulating the transfer of kinetic energy of bowling ball stress;

FIG. 2 is a schematic view of the bottom structure of the rectangular bottom plate of the present invention;

fig. 3 is a schematic structural view of the installation column body on the middle connecting piece of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "middle", "inner", and the like, indicate positional or orientational relationships and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the components or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a teaching device for simulating the transfer of kinetic energy of bowling ball, comprising: a rectangular bottom plate 1; one end surface of the rectangular bottom plate 1 is provided with a plurality of hemispherical grooves; the hemispherical grooves form an equilateral triangle array; a connecting piece 2 is arranged in the hemispherical groove; the connecting piece 2 is connected with a cylinder 3;

a plurality of arc-shaped grooves are annularly and uniformly distributed on the inner peripheral side of the hemispherical groove; the connecting piece 2 comprises a plurality of arc electromagnets 21 and a ball seat 22; the arc electromagnet 21 is arranged in the arc groove in a matching way; the ball seat 22 is arranged in the hemispherical groove in a clearance way; the ball seat 22 is a spherical structure including a cutting plane; a sleeve shaft 23 is fixed at the center of the cutting plane; the sleeve shaft 23 is in clearance fit with a through hole formed in the bottom surface of the column body 3; miniature pressure sensors 31 are annularly and uniformly distributed on the peripheral side of the cylinder 3; the column body 3 is sleeved with a lamp ring 4;

the bottom of the rectangular bottom plate 1 is provided with a control chip 5 and an energy storage battery 6; the energy storage battery 6 supplies power to the control chip 5, the miniature pressure sensor 31, the lamp ring 4 and a coil wound on the periphery of the arc-shaped electromagnet 21; the control chip 5 is respectively electrically connected with the coil wound on the peripheral side of the arc-shaped electromagnet 21, the miniature pressure sensor 31 and the lamp ring 4; a power switch key 11 and a status key 12 are arranged on the periphery of the rectangular bottom plate 1; the state key 12 controls the on-off of the coil wound on the peripheral side of the arc-shaped electromagnet 21;

a plurality of positioning hooks 7 are uniformly distributed and fixed on the periphery of the rectangular bottom plate 1; the positioning hook 7 is connected with an elastic rope 8; a movable impact ball 81 is fixed on the elastic rope 8; wherein, if the diameter of the impact ball 81 is D, the diameter of the column 3 is D, and the distance between the two columns 3 is m; then it should satisfy: m < D <2D + m.

Wherein, the striking ball 81 is a rubber ball; the elastic cord 8 passes through the center of the impact ball 81 along the diameter of the impact ball 81.

Wherein, 1 bottom surface four corners of rectangle bottom plate still sets up stable sucking disc 13 for firm rectangle bottom plate 1 avoids the collision demonstration in-process, and rectangle bottom plate 1 removes, influences the demonstration effect.

The utility model discloses in the in-service use process, press switch key 11 back, ball seat 22 is adsorbed fixedly by the arc electro-magnet 21 that corresponds in the hemisphere inslot, 3 side covers of cylinder turn on 4 of establishing all, be convenient for observe, the through-hole and the sleeve shaft 23 clearance matching installation of 3 bottoms of cylinder, through the tensile elasticity rope 8 that removes impact ball 81, it is that impact ball 81 strikes the cylinder 3 of triangle-shaped battle array under the drive of elasticity rope 8 (wherein, the angle and the dynamics of striking can be realized through the tensile length of adjusting the cheap angle of tensile impact ball 81 and elasticity rope 8).

When the striking ball 81 strikes the cylinder 3, the miniature pressure sensor 31 on the peripheral side of the cylinder 3 monitors the pressure and transmits the pressure to the control chip 5, the control chip 5 controls the power failure of the coil wound on the peripheral side of the arc-shaped electromagnet 21 on the lower side of the corresponding cylinder 3, and the cylinder 3 falls under the action of the striking force and strikes other cylinders 3.

If want to observe the kinetic energy transfer process after cylinder 3 in the triangle-shaped battle array receives the striking, can press down state key 12 at cylinder 3 lodging in-process, the winding coil circular telegram of arc electro-magnet 21 week side this moment, the ball seat 22 that cylinder 3 corresponds is adsorbed by the arc electro-magnet 21 that has magnetism again, does not topple over downwards, and cylinder 3 in the whole triangle-shaped battle array presents the state of being decided, conveniently demonstrates kinetic energy transfer process to the student.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A simulation bowling atress kinetic energy transmission teaching device which characterized in that includes: a rectangular base plate (1); one end surface of the rectangular bottom plate (1) is provided with a plurality of hemispherical grooves; the hemispherical grooves form an equilateral triangle array; a connecting piece (2) is arranged in the semi-spherical groove; the connecting piece (2) is connected with a cylinder (3);

a plurality of arc-shaped grooves are annularly and uniformly distributed on the inner peripheral side of the hemispherical groove; the connecting piece (2) comprises a plurality of arc electromagnets (21) and a ball seat (22); the arc-shaped electromagnet (21) is arranged in the arc-shaped groove in a matching manner; the ball seat (22) is arranged in the hemispherical groove in a clearance mode; the ball seat (22) is a sphere structure comprising a cutting plane; a sleeve shaft (23) is fixed at the center position of the cutting plane; the sleeve shaft (23) is in clearance fit with a through hole formed in the bottom surface of the column body (3); miniature pressure sensors (31) are annularly and uniformly distributed on the peripheral side of the cylinder (3); the lamp ring (4) is sleeved on the column body (3);

the bottom of the rectangular bottom plate (1) is provided with a control chip (5) and an energy storage battery (6); the energy storage battery (6) supplies power to the control chip (5), the miniature pressure sensor (31), the lamp ring (4) and a coil wound on the periphery of the arc-shaped electromagnet (21); the control chip (5) is respectively and electrically connected with the coil wound on the peripheral side of the arc-shaped electromagnet (21), the miniature pressure sensor (31) and the lamp ring (4); a power switch key (11) and a status key (12) are arranged on the peripheral side of the rectangular bottom plate (1); the state key (12) controls the power-on and power-off of a coil wound on the peripheral side of the arc-shaped electromagnet (21);

a plurality of positioning hooks (7) are uniformly distributed and fixed on the periphery of the rectangular bottom plate (1); the positioning hook (7) is connected with an elastic rope (8); and a movable striking ball (81) is fixed on the elastic rope (8).

2. Teaching device for simulating the forced kinetic energy transfer of a bowling ball in accordance with claim 1 wherein said striking ball (81) is a rubber ball; the elastic rope (8) passes through the center of the impact ball (81) along the diameter of the impact ball (81).

3. The teaching device for simulating the forced kinetic energy transfer of the bowling ball in accordance with claim 1, wherein the four corners of the bottom surface of the rectangular bottom plate (1) are further provided with stabilizing suction cups (13).