CN211699403U

CN211699403U - Physical mechanics experimental device

Info

Publication number: CN211699403U
Application number: CN202020878595.1U
Authority: CN
Inventors: 王新蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-10-16
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a physical mechanics experimental apparatus, including the base, install the mounting bracket on the base, install elevating system on the mounting bracket, install two L templates on the elevating system, install inclination adjusting device between two L templates, install jettison device on the inclination adjusting device. The utility model discloses height adjustment is convenient, and the inclination adjustment is convenient.

Description

Physical mechanics experimental device

Technical Field

The utility model relates to a physical teaching experiment field specifically is a physical mechanics experimental apparatus.

Background

The force that an object receives due to the attraction of the earth is called gravity. The force-exerting object of gravity is the geocentric. The direction is always vertically downwards, but not necessarily towards the centre of the earth. The amount of gravity experienced by an object is proportional to the mass of the object. The attraction of the earth causes nearby objects to fall toward the ground.

The interconversion between the gravitational potential energy and the kinetic energy of an object is often researched in physics, and when the existing physical mechanics experimental device is used for researching the relation between the flying distance of the object and the launching condition, the height adjustment and the inclination angle adjustment of the launched object are inconvenient, so that the development of the physical mechanics experimental device which is convenient for the height adjustment and the inclination angle adjustment of the launched object is urgently needed for the current situation, so that the defects in the current practical application are overcome, and the current requirement is met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a physics mechanics experimental apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a physical mechanics experimental apparatus, includes the base, install the mounting bracket on the base, install elevating system on the mounting bracket, the last two L templates of installing of elevating system, two install inclination adjusting device between the L template, the last jettison device that installs of inclination adjusting device.

As a further aspect of the present invention: the lifting mechanism comprises: motor, action wheel, ball, follow driving wheel, drive belt and roll nut, the motor is installed in the top of mounting bracket, a ball is installed to the left and right sides of motor symmetry on the mounting bracket, install the action wheel on the output shaft of motor, two one is installed respectively at ball's top from the driving wheel, action wheel and two are rotated through the drive belt and are connected, two from driving wheel install a roll nut on the ball respectively, two install an L template on the roll nut respectively.

As a further aspect of the present invention: the two L-shaped plates are symmetrically arranged.

As a further aspect of the present invention: the tilt angle adjusting apparatus includes: backup pad, pivot, first gear, second gear, twist grip and auto-lock ware, a pivot has been welded respectively to the left and right sides of backup pad, two the pivot rotates with an L template respectively and is connected, first gear is installed to the left end of pivot, normal running fit's second gear is installed to the downside of first gear with it, the second gear passes through twist grip and L template rotates and is connected, auto-lock ware is installed in the L template to the upside of first gear.

As a further aspect of the present invention: the ejection device includes: launch casing, launch board, spring and push rod, launch the casing and install in the backup pad, install in the casing and launch the board, launch the board and pass through the inner wall elastic connection of a plurality of springs and casing, the push rod that extends to the casing outside is installed in the left side of launching the board.

Compared with the prior art, the beneficial effects of the utility model are that: the physical mechanics experiment device is characterized in that ejection pellets are placed in an ejection shell, a push rod is pulled to drive an ejection plate to move, the ejection pellets are emitted by the elasticity of a spring after the push rod is loosened, a motor drives a driving wheel to rotate, a driven wheel is driven to rotate by the rotation of the driving wheel, a ball screw is driven to rotate by the rotation of the driven wheel, a rolling nut is driven to move up and down by the rotation of the ball screw, an L-shaped plate is driven to move up and down by the up and down movement of the rolling nut, an inclination angle adjusting device and the ejection device are driven to move up and down by the up and down movement; the rotating handle drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the supporting plate to rotate, and the supporting plate rotates to drive the ejection device to rotate, so that the flying distance of the small ball is ejected when different inclination angles are observed. To sum up, the utility model discloses height adjustment is convenient, and the inclination adjustment is convenient.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a sectional view taken along the direction a-a in the front view of the present invention.

Fig. 3 is a sectional view from the front view B-B of the present invention.

In the figure: 1-base, 2-mounting rack, 3-lifting mechanism, 301-motor, 302-driving wheel, 303-ball screw, 304-driven wheel, 305-driving belt, 306-rolling nut, 4-L-shaped plate, 5-inclination angle adjusting device, 501-supporting plate, 502-rotating shaft, 503-first gear, 504-second gear, 505-rotating handle, 506-self-locking device, 6-ejection device, 601-ejection shell, 602-ejection plate, 603-spring, 604-push rod and 7-sand layer.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1-3, in an embodiment of the present invention, a physical mechanics experimental apparatus, including base 1, install mounting bracket 2 on the base 1, mounting bracket 2 passes through the screw and links to each other with base 1, install elevating system 3 on the mounting bracket 2, install two L templates 4 on the elevating system 3, elevating system 3 includes: motor 301, action wheel 302, ball 303, follow driving wheel 304, drive belt 305 and roll nut 306, motor 301 installs in the top of mounting bracket 2, a ball 303 is installed to the left and right sides of motor 301 symmetry on mounting bracket 2, two ball 303 rotates through bearing and mounting bracket 2 respectively to be connected, install action wheel 302 on the output shaft of motor 301, two the top of ball 303 is installed one respectively and is followed driving wheel 304, action wheel 302 and two are followed driving wheel 304 and are rotated through drive belt 305 and be connected, two ball 303 is last to install a roll nut 306 respectively, two install an L template 4 on the roll nut 306 respectively, two L templates 4 are symmetrical to be set up, two install inclination adjusting device 5 between the L template 4, install ejection device 6 on inclination adjusting device 5, the ejection device 6 includes: the ejection device comprises an ejection shell 601, an ejection plate 602, springs 603 and push rods 604, wherein the ejection shell 601 is mounted on a support plate 501, the ejection plate 602 is mounted in the shell 601, the ejection plate 602 is elastically connected with the inner wall of the shell 601 through a plurality of springs 603, the push rod 604 extending to the outside of the shell 601 is mounted on the left side of the ejection plate 602, a sand layer 7 is arranged on the base 1 below the inclination angle adjusting device 5, the height of the ejection device 6 is adjusted through the lifting mechanism 3, and the flying distance of the ejected pellets is observed when the pellets are at different heights; the inclination angle of the ejection device 6 is adjusted by the inclination angle adjusting device 5 so as to observe the flying distance of the ejected small ball when different inclination angles exist.

Example 2

Referring to fig. 1-2, in an embodiment of the present invention, the tilt angle adjusting device 5 includes: backup pad 501, pivot 502, first gear 503, second gear 504, twist grip 505 and auto-lock ware 506, a pivot 502 has been welded respectively to the left and right sides of backup pad 501, two pivot 502 rotates with an L template 4 respectively to be connected, pivot 502 rotates with L template 4 through the bearing to be connected, first gear 503 is installed to the left end of pivot 502, first gear 503's downside is installed and is rotated complex second gear 504 with it, second gear 504 rotates with L template 4 through rotatory handle 505 to be connected, twist grip 505 rotates with L template 4 through the bearing to be connected, auto-lock ware 506 is installed in L template 4 to the upside of first gear 503.

The physical mechanics experimental device is characterized in that a small ejection ball is placed in an ejection shell 601, a push rod 604 is pulled to drive an ejection plate 602 to move, the small ejection ball is ejected by the elasticity of a spring 603 when the push rod 604 is loosened, a motor 301 drives a driving wheel 302 to rotate, a driven wheel 304 is driven to rotate by the rotation of the driving wheel 302, a ball screw 303 is driven to rotate by the rotation of the driven wheel 304, a rolling nut 306 is driven to move up and down by the rotation of the ball screw 303, an L-shaped plate 4 is driven to move up and down by the up and down movement of the rolling nut 306, an inclination angle adjusting device 5 and an ejection device 6 are driven to move up and down by the up and down; the second gear 504 is driven to rotate through the rotating handle 505, the first gear 503 is driven to rotate through the rotation of the second gear 504, the supporting plate 501 is driven to rotate through the rotation of the first gear 503, and the ejection device 6 is driven to rotate through the rotation of the supporting plate 501, so that the flying distance of the ejected pellets can be observed conveniently when different inclination angles are formed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a physical mechanics experimental apparatus, includes base (1), its characterized in that, install mounting bracket (2) on base (1), install elevating system (3) on mounting bracket (2), install two L templates (4) on elevating system (3), two install inclination adjusting device (5) between L template (4), install ejection device (6) on inclination adjusting device (5).

2. The physical-mechanical experimental device according to claim 1, wherein the lifting mechanism (3) comprises: motor (301), action wheel (302), ball (303), follow driving wheel (304), drive belt (305) and roll nut (306), install in the top of mounting bracket (2) motor (301), ball (303) are installed to the left and right sides symmetry of motor (301) on mounting bracket (2), install action wheel (302), two on the output shaft of motor (301) one is installed respectively at the top of ball (303) from driving wheel (304), action wheel (302) and two are rotated through drive belt (305) from driving wheel (304) and are connected, two install a roll nut (306) on ball (303) respectively, two install an L template (4) on roll nut (306) respectively.

3. The physical-mechanical experimental device of claim 2, wherein the two L-shaped plates (4) are symmetrically arranged.

4. The physico-mechanical testing device of claim 1, wherein said inclination adjustment means (5) comprises: backup pad (501), pivot (502), first gear (503), second gear (504), twist grip (505) and auto-lock ware (506), one pivot (502), two have been welded respectively to the left and right sides of backup pad (501) pivot (502) rotate with an L template (4) respectively and are connected, first gear (503) are installed to the left end of pivot (502), the downside of first gear (503) is installed and is rotated complex second gear (504) with it, second gear (504) are passed through twist grip (505) and are rotated with L template (4) and be connected, auto-lock ware (506) are installed in L template (4) to the upside of first gear (503).

5. The physical-mechanical experimental device according to claim 4, characterized in that said ejection means (6) comprises: launch casing (601), launch board (602), spring (603) and push rod (604), install on backup pad (501) launch casing (601), install launch board (602) in casing (601), launch board (602) through the inner wall elastic connection of a plurality of springs (603) with casing (601), the left side of launching board (602) is installed and is extended to outside push rod (604) of casing (601).