CN210443065U

CN210443065U - High school physics rotary motion simulator

Info

Publication number: CN210443065U
Application number: CN201921045033.2U
Authority: CN
Inventors: 李雪劲
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-05-01
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a high school physics rotary motion analogue means, including first base, the universal wheel that a plurality of symmetries were placed is installed to first base lower extreme symmetry, the upper surface of first base has arranged first support, second support, first sliding guide from a left side to the right side in proper order, sliding connection has first slider on the first sliding guide, fixed mounting has the threaded rod on the first slider, threaded rod fixedly connected with handle, rotate on the first support and install the second base, surface mounting has second sliding guide under the second base, sliding connection has the third support on the second sliding guide, it is connected with first connecting rod to rotate on the third support. The utility model discloses the structure is exquisite, and the practicality is strong, can change the experimental apparatus height according to the user's demand, and the inclination that changes the experimental apparatus according to the experiment demand tests to can freely remove and firm experimental apparatus.

Description

High school physics rotary motion simulator

Technical Field

The utility model relates to a physics experimental device technical field especially relates to high school physics rotary motion analogue means.

Background

The teacher is when teaching high school physics, mostly only explain the content on the books, rotary motion is the motion that a student is more difficult to understand on the high school physics course, the content on the books is too abstract, make the unable concrete motion state of understanding rotary motion of student, for making the student can have more profound understanding to rotary motion, need demonstrate the rotary motion of object on the classroom, the student is through observing the influence of different factors rotary motion, can contrast knowledge and practice on the books, thereby understand the knowledge of mr professor better. The students can test by hands, the practice ability of the students can be improved, and the impression is deepened, so that the design of the high school physics rotary motion simulator is necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high school physics rotary motion simulator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the high school physics rotary motion simulator comprises a first base, wherein a plurality of universal wheels which are symmetrically arranged at the lower end of the first base, a first support, a second support and a first sliding guide rail are sequentially arranged on the upper surface of the first base from left to right, a first sliding block is connected onto the first sliding guide rail in a sliding manner, a threaded rod is fixedly arranged on the first sliding block, the threaded rod is fixedly connected with a handle and penetrates through the first base and is fixedly connected with the handle, a second base is rotatably arranged on the first support, a second sliding guide rail is arranged on the lower surface of the second base, a third support is slidably connected onto the second sliding guide rail, a first connecting rod is rotatably connected onto the third support and is rotatably connected with the first sliding block, a second connecting rod is rotatably connected onto the third support and is rotatably connected onto the second support, second base middle part fixed mounting has first motor, install the cam on the first motor output shaft, many slide bars are installed to the upper surface symmetry of second base, many common slidable mounting has the backup pad on the slide bar, the welding of backup pad lower extreme has the motor case, motor case lower extreme rotates and is connected with the gyro wheel, and the gyro wheel contacts with the cam, the inside motor chamber that is equipped with of motor case, motor chamber bottom fixed mounting has the second motor, the welding has the pivot on the output shaft of second motor, sliding connection has two second sliders in the pivot, every all has the string on the second slider, every all have the ball of rotating on the string.

Preferably, a limiting block is welded at the upper end of each sliding rod.

Preferably, the upper end of the rotating shaft is provided with a limiting seat fastened by a bolt.

Preferably, the first motor is an alternating current servo motor, and the model of the first motor is SGMPH-15.

Preferably, each universal wheel is provided with a corresponding braking device.

Preferably, the handle is sleeved with a rubber anti-slip sleeve, and the rubber anti-slip sleeve is provided with anti-slip lines.

Preferably, each second slider is provided with a locking screw, and the locking screw penetrates through the second slider and abuts against the outer side wall of the rotating shaft.

Preferably, a threaded hole is formed in the first base, and the threaded rod is in threaded connection with the threaded hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through a plurality of universal wheels and the corresponding arresting gear that set up bottom the device, the universal wheel mechanism that sets up makes simpler the removal of experimental apparatus to the target location, and arresting gear that the universal wheel corresponds makes the experimental apparatus when placing immovable.

2. The limiting blocks are fastened through bolts at the top ends of the rotating shafts, so that the second sliding blocks are limited not to exceed the rotating shafts and to fall off when the heights of the second sliding blocks on the rotating shafts are adjusted, and the second sliding blocks can be freely replaced after the bolts are taken down.

3. Through first slider, first sliding guide, second support, second connecting rod, first connecting rod, third support, threaded rod and first support, change the inclination of second base, make experimental apparatus can change the angle on pivot and ground when carrying out the rotation experiment, carry out different inclination's rotation experiment, make the student know rotary motion's under this angle motion state and motion characteristics.

4. Through many slide bar devices that first motor and cam, gyro wheel and symmetry set up, can adjust the height of backup pad, make experimental apparatus can freely adjust experimental apparatus height according to experiment operator's height demand, the operation of testing of more comfortable carrying on.

5. Through the stopper of welding at many slide bar tops, not drop from the slide bar top when making the backup pad go up and down to maximum height, guarantee that student's operation experimental apparatus does not damage, the experiment is normally gone on.

6. Through the rotational speed that changes the second motor, change the pivot rotational speed, can carry out rotary motion under the different rotational speeds, the student of being convenient for observes rotary motion under the many rotational speeds, and the various states of better understanding rotary motion.

To sum up, the utility model discloses the structure is exquisite, and the practicality is strong, can change the experimental apparatus height according to the user demand, and the inclination that changes the experimental apparatus according to the experiment demand tests to can freely remove and firm experimental apparatus.

Drawings

Fig. 1 is a schematic structural diagram of a high school physical rotation motion simulator provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a first sliding block 1, a second sliding block 2, a rotating ball 3, a supporting plate 3, a sliding rod 4, a second base 5, a handle 6, a first base 7, a universal wheel 8, a first support 9, a first motor 10, a cam 11, a motor box 12, a second motor 13, a rotating shaft 14, a roller 15, a first sliding block 16, a first sliding guide rail 17, a second support 18, a second connecting rod 19, a second sliding guide rail 20, a third support 21, a first connecting rod 22 and a threaded rod 23.

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.

Referring to fig. 1-2, the high school physics rotational motion simulator comprises a first base 7 and is characterized in that a plurality of symmetrically arranged universal wheels 8 are symmetrically arranged at the lower end of the first base 7, and each universal wheel 8 is provided with a corresponding braking device, so that the device is fixed when being static.

First support 9 has been arranged in proper order from a left side to the right side to the upper surface of first base 7, second support 18, first sliding guide 17, sliding connection has first slider 16 on first sliding guide 17, fixed mounting has threaded rod 23 on first slider 16, threaded rod 23 fixedly connected with handle 6, and link up first base 7 and with handle 6 fixed connection, set up threaded hole on the first base 7, and threaded rod 23 and threaded hole threaded connection, the cover has rubber antiskid cover on the handle 6, be equipped with anti-skidding line on the rubber antiskid cover, can increase the frictional force between user and the handle 6, make handle 6 grip the rotation better.

Second base 5 is rotatably mounted on first base 9, second sliding guide 20 is mounted on the lower surface of second base 5, third base 21 is slidably connected to second sliding guide 20, first connecting rod 22 is rotatably connected to third base 21, first connecting rod 22 is rotatably connected to first sliding block 16, second connecting rod 19 is rotatably connected to third base 21, and second connecting rod 19 is rotatably connected to second base 18.

Second base 5 middle part fixed mounting has first motor 10, first motor 10 is exchange servo motor, and the model is SGMPH-15, and servo motor can make the cam around the reciprocal rotation of axle, installs cam 11 on the first motor 10 output shaft, and many slide bars 4 are installed to the upper surface symmetry of second base 5, and the stopper has all been welded to every slide bar 4 upper end, prevents that backup pad 3 excessive drop of upward movement, and common slidable mounting has backup pad 3 on many slide bars 4.

3 lower extreme welding of backup pad has motor case 12, motor case 12 lower extreme rotates and is connected with gyro wheel 15, and gyro wheel 15 contacts with cam 11, the inside motor chamber that is equipped with of motor case 12, motor chamber bottom fixed mounting has second motor 13, the welding has pivot 14 on the output shaft of second motor 13, sliding connection has two second sliders 1 on the pivot 14, the spacing seat of useful bolt-up is installed to pivot 14 upper end, prevent that the excessive follow pivot 14 upper end of second slider 1 adjusting position from droing, all be equipped with locking screw on every second slider 1, and locking screw runs through the lateral wall counterbalance of second slider 1 with pivot 14, make the adjusting position of second slider 1 and fixed, all be the string on every second slider 14, all be the spin ball 2 on every string.

When an experimenter performs an experiment operation, the second motor 13 is turned on, the output shaft of the second motor 13 drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the two second sliding blocks 1 fastened on the rotating shaft 14 to rotate, so as to drive the corresponding rotating balls 2 connected through the strings to rotate around the rotating shaft 14, and realize a rotating motion, when the experimenter wants to change the height of the experiment device, the first motor 10 is turned on, the first motor 10 drives the cam 11 installed on the output shaft thereof to rotate, due to the gravity action of the supporting plate 3, the position of the roller 15 contacted with the cam 11 descends, the roller 15 is connected on the motor box 12, the motor box 12 is welded at the lower end of the supporting plate 3, so that the change of the upper and lower positions of the roller 15 drives the upper and lower positions of the supporting plate 3 connected with the roller to change, the roller slides up and down along the plurality of sliding rods 4 which are symmetrically arranged, rotate handle 6, make threaded rod 23 rotatory, screw in or revolve the retreat along the screw hole that sets up, drive first slider 16 of fixed connection on threaded rod 23 and slide left or right along first sliding guide 17, make the first connecting rod 22 motion of connection on first slider 16, drive third support 21 and move along second sliding guide 20, third support 21 links to each other through second connecting rod 19 with second support 18, first connecting rod 22 and the motion of second connecting rod 19 support second base 5 jointly, make second base 5 right-hand member rotate around first support 9, thereby drive second base 5 and connect and form an inclination left end to the whole of device on second base 5, accomplish experimenter's experimental requirement.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. High school physics rotary motion analogue means, including first base (7), its characterized in that, a plurality of universal wheels (8) that the symmetry was placed are installed to first base (7) lower extreme symmetry, the upper surface of first base (7) has arranged first support (9), second support (18), first sliding guide (17) from a left side to the right side in proper order, sliding connection has first slider (16) on first sliding guide (17), fixed mounting has threaded rod (23) on first slider (16), threaded rod (23) fixed connection has handle (6), and link up first base (7) and with handle (6) fixed connection, sliding connection has second base (5) on first support (9), second sliding guide (20) surface mounting has on second base (5), sliding connection has third support (21) on second sliding guide (20), the device is characterized in that a first connecting rod (22) is rotatably connected to the third support (21), the first connecting rod (22) is rotatably connected with a first sliding block (16), a second connecting rod (19) is rotatably connected to the third support (21), the second connecting rod (19) is rotatably connected to a second support (18), a first motor (10) is fixedly mounted in the middle of the second base (5), a cam (11) is mounted on an output shaft of the first motor (10), a plurality of sliding rods (4) are symmetrically mounted on the upper surface of the second base (5), a support plate (3) is jointly slidably mounted on the sliding rods (4), a motor box (12) is welded at the lower end of the support plate (3), a roller (15) is rotatably connected to the lower end of the motor box (12), the roller (15) is in contact with the cam (11), a motor cavity is arranged inside the motor box (12), motor chamber bottom fixed mounting has second motor (13), the welding has pivot (14) on the output shaft of second motor (13), sliding connection has two second slider (1), every on pivot (14) all be the string on second slider (1), every all be rotating ball (2) on the string.

2. High school physics rotary motion simulator according to claim 1, characterized in that a limit block is welded to the upper end of each slide bar (4).

3. The high school physics rotary motion simulator according to claim 1, characterized in that the upper end of said rotating shaft (14) is installed with a limit seat fastened by bolts.

4. High school physics rotary motion simulator according to claim 1, characterized in that said first motor (10) is an ac servomotor of type SGMPH-15.

5. High school physics rotary motion simulator according to claim 1, characterized in that each of said castor wheels (8) is fitted with a corresponding braking device.

6. The high school physics rotary motion simulator according to claim 1, characterized in that the handle (6) is sleeved with a rubber anti-slip sleeve, and the rubber anti-slip sleeve is provided with anti-slip lines.

7. The physical rotary motion simulator of high school according to claim 1, characterized in that each second slider (1) is provided with a locking screw, and the locking screw penetrates through the second slider (1) and abuts against the outer side wall of the rotating shaft (14).

8. High school physics rotary motion simulator according to claim 1, characterized in that said first base (7) is provided with a threaded hole and the threaded rod (23) is in threaded connection with the threaded hole.