CN113178117A - Inertia balance device for college physics experiments - Google Patents
Inertia balance device for college physics experiments Download PDFInfo
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- CN113178117A CN113178117A CN202110485632.1A CN202110485632A CN113178117A CN 113178117 A CN113178117 A CN 113178117A CN 202110485632 A CN202110485632 A CN 202110485632A CN 113178117 A CN113178117 A CN 113178117A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 37
- 238000005259 measurement Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- G—PHYSICS
- 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
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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Abstract
The invention belongs to the technical field of inertia scale devices, in particular to an inertia scale device for college physics experiments, which comprises a supporting rod, wherein the upper end of the supporting rod is provided with an adjusting screw rod and is provided with a connecting block, a vibration arm is arranged inside the connecting block, the bottom end of the vibration arm is provided with gear teeth for adjustment, the rear end of the vibration arm is provided with a stop block for limiting, the length of the vibration arm can be conveniently adjusted by arranging the vibration arm and a rotating gear, the inertia experiments with different lengths can be conveniently tested, the experiment variability is increased, the upright post can conveniently slide by arranging the upright post and a first sliding groove, the time is saved, the experiment efficiency is improved, the upright post is conveniently fixed by arranging a fixture block and a clamping groove, the inaccurate experiment data caused by the deviation of a moving measuring instrument is avoided, and the weights are more stably connected inside a measuring platform by arranging a groove and a moving plate, avoid its vibrations to drop out and influence the experiment and go on.
Description
Technical Field
The invention belongs to the technical field of inertia scale devices, and particularly relates to an inertia scale device for college physics experiments.
Background
Inertia balance is the device of coming survey object inertial mass with the vibration method, its main component parts, place the weighing platform of weight or determinand, the fixed platform of fixed whole device, link two the same slice billet of fixed platform and weighing platform, several the same weights, the weight of fixed weight presss from both sides, can carry out inertia physics experiment to the object, former equipment measurement mode is single when using, can not carry out length adjustment and spacing effect difference, the troublesome not convenient to use of integral operation, the inertia balance device for the university physics experiment that now proposes satisfies above-mentioned requirement.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an inertia scale device for college physics experiments, which has the characteristics of adjustable length, firm limiting and simplicity in operation.
In order to achieve the purpose, the invention provides the following technical scheme: an inertia scale device for college physics experiments comprises a supporting rod, wherein the upper end of the supporting rod is provided with a connecting block by improving an adjusting screw rod, a vibration arm is arranged in the connecting block, gear teeth for adjustment are arranged at the bottom end of the vibration arm, a stop block for limiting is arranged at the rear end of the vibrating arm, a hanging rod is fixedly connected at the upper end of the supporting rod, the lower surface of the suspender is connected with a hauling rope in a sliding way, the other end of the hauling rope is fixedly connected with a weight to be measured of an object to be measured, the lower end of the supporting rod is fixedly connected with a connecting sleeve, the front end of the connecting sleeve is fixedly connected with a fixed base which is connected with the upright post in a sliding way, the other end of the connecting sleeve is fixedly connected with a weight storage box for storing weights, two sides of the connecting sleeve are provided with fixing feet, the other end of the fixed foot is provided with a limiting ring, and one side of the fixed base is provided with a digital metering instrument for detection.
According to the preferable technical scheme of the inertia scale device for college physics experiments, grooves are formed in the surfaces of the upper end and the lower end of the weight to be measured, the measuring platform is fixedly connected to one end of the vibrating arm, the surface of the measuring platform is connected with the moving plate in a sliding mode, the surface of the moving plate is provided with the arc-shaped groove matched with the grooves, the limiting spring is installed inside the measuring platform, the inner surface of the moving plate is fixedly connected with the bolt, and the moving plate is elastically connected with the measuring platform through the bolt and the limiting spring.
According to the preferable technical scheme of the inertia balance device for the college physics experiments, the first sliding groove connected with the stand column in a sliding mode is formed in the surface of the fixed base, the plurality of clamping grooves are formed in the inner surface of the fixed base at equal intervals, and the first sliding block is connected inside the first sliding groove in a sliding mode.
According to the preferable technical scheme of the inertia scale device for college physics experiments, the surface of the lower end of the upright post is provided with the positioning groove for sliding the fixture block, the inside of the positioning groove is elastically connected with the return spring, the other end of the return spring is fixedly connected with the fixture block which is connected with the clamping groove in an inserting mode, the upper end of the fixture block is rotatably connected with the limiting block through the rotating shaft, and the limiting block and the positioning groove are mutually clamped.
According to the preferable technical scheme of the inertia balance device for the college physics experiments, the connecting column is installed inside the vibrating arm, the rotating gear connected with the gear teeth in a clamping mode is arranged inside the connecting column, the second sliding block is arranged on the surface of the connecting column, the sliding sleeve is connected to the outer surface of the connecting column in a sliding mode, the second sliding groove is fixedly connected inside the sliding sleeve, and the fixing module clamped with the notch formed in the surface of the connecting block is arranged on the surface of the sliding sleeve.
According to the preferable technical scheme of the inertia scale device for the college physics experiments, the first sliding block is fixedly connected to the bottom end of the upright column, the fixed base is connected with the upright column through the first sliding block and the first sliding groove in a sliding mode, and the clamping block in the upright column penetrates through the first sliding block and is clamped with the clamping groove.
According to the preferable technical scheme of the inertia scale device for college physics experiments, the rotating gears are clamped at the lower ends of the vibrating arms, the number of the vibrating arms is two, the vibrating arms are arranged on two sides of the supporting rod at equal intervals, gear teeth are arranged at the lower end of each vibrating arm, and the vibrating arms are connected with the connecting columns in a sliding mode through the gear teeth and the rotating gears.
Compared with the prior art, the invention has the beneficial effects that: through setting up arm and the rolling gear shakes, can be convenient carry out length adjustment with the arm that shakes, the inertia experiment increases the experiment variability under the different length of test of being convenient for, through setting up stand and spout No. one, the stand of being convenient for slides, it improves experimental efficiency to make things convenient for the experiment to carry out save time, fix the stand through setting up fixture block and draw-in groove, it is not accurate to avoid its mobile measuring instrument skew to cause the experimental data, through setting up recess and movable plate, make the weight that awaits measuring more stable at measuring platform's internal connection, it drops out the influence experiment and goes on to avoid its vibrations, it is more stable with being connected of fixed foot and platform to make unable adjustment base through setting up the spacing ring, avoid it to fall or rock the reliable and stable work that carries out of influence bracing piece.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an enlarged view of part A of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of a connecting block according to the present invention;
FIG. 5 is an enlarged view of part B of the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of a pillar according to the present invention;
FIG. 7 is a schematic view of a partial cross-sectional structure of a measuring platform according to the present invention;
in the figure: 1. a support bar; 2. connecting blocks; 3. a vibrating arm; 4. gear teeth; 5. a stopper; 6. a boom; 7. a hauling rope; 8. a weight to be tested; 9. a measuring platform; 10. a groove; 11. an arc-shaped slot; 12. moving the plate; 13. a column; 14. a fixed base; 15. a first chute; 16. a limiting ring; 17. connecting sleeves; 18. a fixing leg; 19. a weight storage box; 20. a digital meter; 21. a bolt; 22. a card slot; 23. a first sliding block; 24. a clamping block; 25. a limiting block; 26. a return spring; 27. positioning a groove; 28. a rotating gear; 29. connecting columns; 30. a sliding sleeve; 31. a fixed module; 32. a second chute; 33. a second sliding block; 34. and a limiting spring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-7, the present invention provides the following technical solutions: 1. an inertia scale device for college physics experiments comprises a supporting rod 1, wherein the upper end of the supporting rod 1 is provided with an adjusting screw rod to be installed with a connecting block 2, a vibration arm 3 is arranged in the connecting block 2, the bottom end of the vibration arm 3 is provided with gear teeth 4 for adjustment, the rear end of the vibration arm 3 is provided with a stop block 5 for limiting, the upper end of the supporting rod 1 is fixedly connected with a suspender 6, the lower surface of the suspender 6 is slidably connected with a traction rope 7, the other end of the traction rope 7 is fixedly connected with a to-be-measured object weight 8, the lower end of the supporting rod 1 is fixedly connected with a connecting sleeve 17, the front end of the connecting sleeve 17 is fixedly connected with a fixed base 14 which is slidably connected with a stand column 13, the other end of the connecting sleeve 17 is fixedly connected with a weight containing box 19 for containing, two sides of the connecting sleeve 17 are provided with, in this embodiment, the pulling rope 7 slides inside the boom 6 via a slider, and is synchronized when the length of the arm 3 is adjusted.
Specifically, recess 10 has all been seted up on the upper and lower both ends surface of the weight 8 that awaits measuring, the one end fixedly connected with measuring platform 9 of arm 3 shakes, measuring platform 9's sliding surface connection has movable plate 12, movable plate 12's surface is seted up with the identical arc wall 11 of recess 10, measuring platform 9's internally mounted has spacing spring 34, movable plate 12's internal surface fixedly connected with bolt 21, movable plate 12 passes through bolt 21 and spacing spring 34 elastic connection with measuring platform 9, recess 10 and the mutual block of arc wall 11 in this embodiment, make bolt 21 can insert measuring platform 9's inside and carry out the interpolation and connect, rock about fixed avoiding moving plate 12.
Specifically, a spout 15 with stand 13 sliding connection is seted up on unable adjustment base 14's surface, and a plurality of draw-in groove 22 has been seted up to unable adjustment base 14's internal surface equidistance, and a slider 23 of inside sliding connection of spout 15, unable adjustment base 14 plays the stand 13 of being convenient for and slides and detect measuring platform 9 in this embodiment, and energy-conservation reduces work load and promotes the practicality by enough time.
Specifically, the lower extreme surface of stand 13 is offered and is used for the gliding constant head tank 27 of fixture block 24, the inside elastic connection of constant head tank 27 has reset spring 26, reset spring 26's other end fixedly connected with inserts with draw-in groove 22 and closes fixture block 24 of being connected, fixture block 24's upper end is rotated through the pivot and is connected with stopper 25, stopper 25 and the mutual block of constant head tank 27, fixture block 24 runs through a slider 23 and the mutual block of draw-in groove 22 carries on spacingly in this embodiment, avoid the position to take place to remove and influence the experiment and go on.
Specifically, the internally mounted of arm 3 shakes has spliced pole 29, spliced pole 29's inside is provided with the rotating gear 28 of being connected with the 4 block of teeth of a cogwheel, No. two sliders 33 have been seted up on spliced pole 29's surface, spliced pole 29's surface sliding connection has sliding sleeve 30, sliding sleeve 30's inside fixedly connected with is No. two spouts 32, sliding sleeve 30's surface is provided with the fixed module 31 of the notch looks block of seting up with connecting block 2 surfaces, sliding sleeve 30 can be spacing to arm 3 shakes in this embodiment, avoid its slip to influence the experiment and cause data error.
Specifically, a slider 23 is fixedly connected with the bottom end of the upright column 13, the fixed base 14 and the upright column 13 are slidably connected through a slider 23 and a sliding groove 15, a clamping block 24 inside the upright column 13 penetrates through the slider 23 and is clamped with a clamping groove 22, the upright column 13 and the fixed base 14 are slidably connected in this embodiment, and the upright column 13 and the vibrating arm 3 are kept synchronous and convenient to test.
Specifically, the equal block of the lower extreme of arm 3 that shakes has rotating gear 28, and 3 numbers of the arm that shakes are two equidistance settings in the both sides of bracing piece 1, and the teeth of a cogwheel 4 has all been seted up to 3 lower extremes of every arm that shakes, shakes arm 3 and spliced pole 29 and carries out length adjustment through teeth of a cogwheel 4 and rotating gear 28 sliding connection, shakes arm 3 in this embodiment, increases experiment variety and accuracy.
The working principle and the using process of the invention are as follows: when the invention is used, a supporting rod 1 is placed on a test bed, a fixed base 14 and a fixed foot 18 are fixedly connected with a platform through a limiting ring 16, so that the position of the supporting rod 1 cannot move during measurement to influence the experiment, a vibration arm 3 in a connecting block 2 can be adjusted in length through a rotating connecting column 29, a sliding sleeve 30 is clamped with a lug on the surface of the connecting column 29 in a backward sliding mode through a second sliding block 33, a bolt 21 is separated from a notch formed in the surface of the connecting block 2, the rotating connecting column 29 drives a rotating gear 28 to rotate, the rotating gear 28 is mutually clamped with a gear tooth 4 formed at the lower end of the vibration arm 3, so that the gear tooth 4 can be adjusted in length, a stop block 5 arranged at the rear end of the gear tooth 4 is limited to avoid the experiment failure caused by moving out, a groove 10 is formed in the surface of a weight 8 to be measured, a moving plate 12 is pulled backwards to ensure that a vertical column 13 is separated from the inside of the measuring platform 9 through a limiting spring 34, then the movable plate 12 is loosened to enable the arc-shaped groove 11 to be clamped with the groove 10 for limiting, the bolt 21 is connected with the measuring platform 9 in an inserting way to ensure the firmness of the movable plate 12, the situation that the to-be-measured weight 8 falls off or shakes out to influence the experiment is avoided, the upright column 13 passes through the first sliding groove 15 formed in the surface of the fixed base 14, can be synchronously adjusted with the vibrating arm 3, improves the working efficiency and saves time, pulls the limiting block 25 upwards to separate the clamping block 24 from the clamping groove 22, then the rotating shaft rotation limiting block 25 is clamped with the opening at one side of the positioning groove 27, after the upright post 13 is moved, the positioning groove 27 is reset by the rotation limiting block 25 through the reset spring 26 to limit the upright post 13, so that the inaccurate experimental data caused by the movement of the upright post is avoided, the traction rope 7 and the suspender 6 pass through the sliding block arranged inside, carry out synchronous length adjustment with arm 3 and stand 13 that shakes, the simple operation is convenient reduces the work volume and improves experimental efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an inertia balance device for college physics experiments which characterized in that: comprises a supporting rod (1), the upper end of the supporting rod (1) is improved by an adjusting screw rod to install a connecting block (2), a vibration arm (3) is arranged in the connecting block (2), the bottom end of the vibration arm (3) is provided with a gear tooth (4) for adjustment, a limit stop (5) is arranged at the rear end of the vibration arm (3), the upper end of the supporting rod (1) is fixedly connected with a suspender (6), the lower surface of the suspender (6) is slidably connected with a traction rope (7), the other end of the traction rope (7) is fixedly connected with an object to be measured, a weight (8) to be measured, a connecting sleeve (17) is fixedly connected with the lower end of the supporting rod (1), the front end of the connecting sleeve (17) is fixedly connected with a fixing base (14) which is slidably connected with a stand column (13), and the other end of the connecting sleeve (17) is fixedly connected with a weight storage box (19) for storage, the utility model discloses a digital measurement instrument, including adapter sleeve (17), spacing ring (16) are installed to the both sides of adapter sleeve (17) are provided with fixed foot (18), spacing ring (16) are installed to the other end of fixed foot (18), one side of unable adjustment base (14) is provided with digital measurement appearance (20) that carry out the detection.
2. The inertial scale apparatus for college physics experiments of claim 1, wherein: the utility model discloses a measuring device, including waiting to measure weight (8), the one end fixedly connected with measuring platform (9) of arm (3) shakes, the sliding surface of measuring platform (9) is connected with movable plate (12), the identical arc wall (11) with recess (10) are seted up on the surface of movable plate (12), the internally mounted of measuring platform (9) has spacing spring (34), the internal surface fixed connection of movable plate (12) has bolt (21), movable plate (12) and measuring platform (9) are through bolt (21) and spacing spring (34) elastic connection.
3. The inertial scale apparatus for college physics experiments of claim 1, wherein: sliding groove (15) with stand (13) sliding connection are seted up on the surface of unable adjustment base (14), a plurality of draw-in groove (22) have been seted up to the internal surface equidistance of unable adjustment base (14), the inside sliding connection of sliding groove (15) has slider (23) No. one.
4. The inertial scale apparatus for college physics experiments of claim 1, wherein: the utility model discloses a clamping device for clamping fixture, including stand (13), the lower extreme surface of stand (13) is seted up and is used for gliding constant head tank (27) of fixture block (24), the inside elastic connection of constant head tank (27) has reset spring (26), the other end fixedly connected with of reset spring (26) inserts fixture block (24) of closing with draw-in groove (22) and being connected, the upper end of fixture block (24) is rotated through the pivot and is connected with stopper (25), stopper (25) and constant head tank (27) block each other.
5. The inertial scale apparatus for college physics experiments of claim 1, wherein: the utility model discloses a vibration damping arm, including the arm of shaking (3), the internally mounted of arm of shaking (3) has spliced pole (29), the inside of spliced pole (29) is provided with running gear (28) of being connected with teeth of a cogwheel (4) block, No. two slider (33) have been seted up on the surface of spliced pole (29), the surface sliding connection of spliced pole (29) has sliding sleeve (30), No. two spout (32) of inside fixedly connected with of sliding sleeve (30), the surface of sliding sleeve (30) is provided with fixed module (31) of the notch looks block of seting up with connecting block (2) surface.
6. The inertial scale apparatus for college physics experiments of claim 1, wherein: the bottom fixedly connected with slider (23) of stand (13), unable adjustment base (14) and stand (13) are through slider (23) and a spout (15) sliding connection, inside fixture block (24) of stand (13) run through slider (23) and draw-in groove (22) looks block.
7. The inertial scale apparatus for college physics experiments of claim 1, wherein: the equal block of lower extreme of arm (3) of shaking has running gear (28), arm (3) number of shaking sets up in the both sides of bracing piece (1) for two equidistance, every arm (3) lower extreme of shaking all seted up teeth of a cogwheel (4), arm (3) and spliced pole (29) of shaking are through teeth of a cogwheel (4) and running gear (28) sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110485632.1A CN113178117B (en) | 2021-04-30 | 2021-04-30 | Inertial scale device for university physics experiments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110485632.1A CN113178117B (en) | 2021-04-30 | 2021-04-30 | Inertial scale device for university physics experiments |
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| CN113178117A true CN113178117A (en) | 2021-07-27 |
| CN113178117B CN113178117B (en) | 2023-11-14 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB662483A (en) * | 1948-08-03 | 1951-12-05 | Mach Automatiques Bardet | Improvements in dynamically equipoised balances |
| US3142349A (en) * | 1962-06-15 | 1964-07-28 | Blodgett Mfg Company | Dynamically compensated weighing scales |
| US3347328A (en) * | 1965-09-15 | 1967-10-17 | Exact Weight Scale Corp | Leaf spring suspension weighing scale |
| US5983699A (en) * | 1995-05-04 | 1999-11-16 | Guralp Systems Limited | Clamping mechanism for inertial pendulum instruments |
| BE1018855A3 (en) * | 2009-08-12 | 2011-10-04 | Unal Safak | VIBRATION VIEWING EQUIPMENT OF A SLINGER. |
| CN108573639A (en) * | 2018-06-06 | 2018-09-25 | 河南师范大学 | A kind of device that can measure arbitrary shaped body inertia mass |
| CN109377792A (en) * | 2018-12-20 | 2019-02-22 | 南京普物科技有限公司 | A kind of restructural physics facility and its experimental method |
| CN110085103A (en) * | 2018-01-25 | 2019-08-02 | 杨翠红 | A kind of damping modulus measurer for Physical Experiment |
| CN209625566U (en) * | 2019-02-12 | 2019-11-12 | 洛阳师范学院 | A kind of Experiment of College Physics inertia scale device |
| US10482790B1 (en) * | 2014-05-23 | 2019-11-19 | Theodore N. Pittman | Teaching aid for teaching the principles of an impulse driver |
| CN211124606U (en) * | 2019-08-29 | 2020-07-28 | 简燕 | Physical auxiliary device for lever moment experiment |
| CN211604466U (en) * | 2020-04-30 | 2020-09-29 | 唐山师范学院 | Inertia balance device for college physics experiments |
-
2021
- 2021-04-30 CN CN202110485632.1A patent/CN113178117B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB662483A (en) * | 1948-08-03 | 1951-12-05 | Mach Automatiques Bardet | Improvements in dynamically equipoised balances |
| US3142349A (en) * | 1962-06-15 | 1964-07-28 | Blodgett Mfg Company | Dynamically compensated weighing scales |
| US3347328A (en) * | 1965-09-15 | 1967-10-17 | Exact Weight Scale Corp | Leaf spring suspension weighing scale |
| US5983699A (en) * | 1995-05-04 | 1999-11-16 | Guralp Systems Limited | Clamping mechanism for inertial pendulum instruments |
| BE1018855A3 (en) * | 2009-08-12 | 2011-10-04 | Unal Safak | VIBRATION VIEWING EQUIPMENT OF A SLINGER. |
| US10482790B1 (en) * | 2014-05-23 | 2019-11-19 | Theodore N. Pittman | Teaching aid for teaching the principles of an impulse driver |
| CN110085103A (en) * | 2018-01-25 | 2019-08-02 | 杨翠红 | A kind of damping modulus measurer for Physical Experiment |
| CN108573639A (en) * | 2018-06-06 | 2018-09-25 | 河南师范大学 | A kind of device that can measure arbitrary shaped body inertia mass |
| CN109377792A (en) * | 2018-12-20 | 2019-02-22 | 南京普物科技有限公司 | A kind of restructural physics facility and its experimental method |
| CN209625566U (en) * | 2019-02-12 | 2019-11-12 | 洛阳师范学院 | A kind of Experiment of College Physics inertia scale device |
| CN211124606U (en) * | 2019-08-29 | 2020-07-28 | 简燕 | Physical auxiliary device for lever moment experiment |
| CN211604466U (en) * | 2020-04-30 | 2020-09-29 | 唐山师范学院 | Inertia balance device for college physics experiments |
Non-Patent Citations (1)
| Title |
|---|
| 蔡彦等: "惯性称实验仪的改进", 《高师理科学刊》 * |
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