CN112735235A - Inertia balance device for college physics experiments - Google Patents
Inertia balance device for college physics experiments Download PDFInfo
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- CN112735235A CN112735235A CN202011287252.9A CN202011287252A CN112735235A CN 112735235 A CN112735235 A CN 112735235A CN 202011287252 A CN202011287252 A CN 202011287252A CN 112735235 A CN112735235 A CN 112735235A
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- fixing
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- college physics
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- fastening screw
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- 238000002474 experimental method Methods 0.000 title claims abstract description 24
- 230000008054 signal transmission Effects 0.000 claims abstract description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000007619 statistical method Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000012360 testing method 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
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- Pure & Applied Mathematics (AREA)
- Educational Administration (AREA)
- Computational Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a physical experiment device and discloses an inertia scale device for college physical experiments, which comprises a base, wherein a support rod B is arranged on the left side of the base, a fixing clamp A is arranged on the support rod B in a sliding manner, a fixing rod is connected to the other side of the fixing clamp A in a sliding manner, a sliding groove is fixedly connected to the right end of the fixing rod, a clamping block is connected to the sliding groove in a sliding manner, a photoelectric door is arranged in the clamping block, a support rod A is arranged on the right side of the base, a fixing clamp B is connected to the support rod A in a sliding manner, a spring plate is connected to the other. According to the invention, the weights are driven to vibrate by simple harmonic vibration generated by the spring plate, the stiffness coefficient of the spring plate is fixed and is less influenced by the external environment, the experimental error is smaller, experimental data can be transmitted into a computer through a signal transmission line for statistical analysis, the error generated by manual statistics is reduced, and the experimental precision is improved.
Description
Technical Field
The invention relates to a physical experiment device, in particular to an inertia scale device for college physical experiments.
Background
Inertial mass and gravitational mass are two different physical concepts. The mass in the external gravitation equation is the gravitation mass, which is a measure of the attractive property of an object to other objects, and the mass obtained by the balance is the gravitation mass of the object. The mass of newton's second law is called the inertial mass and the mass of an object weighed with an inertial scale is called the inertial mass of the object. Generally, the inertial mass of an object is measured by comparing the vibration periods reflecting the motion acceleration of the object through a vibration method, and the inertial mass of the object is determined. Generally, in the measurement process of the vibration method, the inertia plate needs to be pulled to the same amplitude in each measurement, namely, the vibration of each period starts to have the same elastic kinetic energy, and the accuracy of the measurement result is further improved.
Chinese patent (publication number: CN211604466U) discloses an inertia scale device for college physics experiments, relating to the technical field of college physics experiment appliances; the bottom four corners department of chassis all is connected with the regulation foot cup, digital millisecond measuring apparatu is installed to the upper left end of chassis, the dead lever is installed to the upper end of digital millisecond measuring apparatu, install the light electric door on the lateral wall of dead lever, and the light electric door is the level setting, the vertical pole is installed to the upper end of chassis, the inertia board is installed to the upper end of vertical pole, weight section of thick bamboo mechanism is installed to the left end of inertia board, the light screen is installed to the left end of weight section of thick bamboo mechanism, the light screen cooperatees with the light electric door, the mounting bracket is installed to the back upper end of chassis, install the disk body through the pivot on. The device drives the disc body through the motor and rotates, and the disc body drives the poker rod, and the poker rod is beaten and is driven the inertia board and shake, and the inertia board moves the light screen and realizes rocking, and the device's frequency of vibration is relevant with the rotational speed of motor, and is irrelevant with the quality of weight, can't accomplish the experiment.
Disclosure of Invention
The invention aims to provide an inertial scale device for college physics experiments to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an inertia balance device for college physics experiments, includes the base, the base left side is provided with bracing piece B, it is provided with fixation clamp A to slide on the bracing piece B, and fixation clamp A opposite side sliding connection has the dead lever, dead lever right-hand member fixedly connected with spout, and sliding connection has the clamp splice in the spout, is provided with the photoelectricity door in the clamp splice, the base right side is provided with bracing piece A, sliding connection has fixation clamp B on the bracing piece A, and fixation clamp B opposite side sliding connection has a spring board, a spring board left end fixedly connected with weight section of thick bamboo.
As a further scheme of the invention: the tail end of the photoelectric door is connected with a signal transmission line, and the other end of the signal transmission line is connected to a computer.
As a further scheme of the invention: the top end of the clamping block is connected with a bolt, the tail end of the bolt is connected with a nut, and the clamping block is connected between the bolt and the nut in a sliding mode.
As a further scheme of the invention: and a fastening screw A is connected to the fixing clamp A on the outer side of the supporting rod B through a bolt.
As a further scheme of the invention: and a fastening screw B is connected to the fixing clamp A on one side of the fixing rod through a bolt.
As a further scheme of the invention: and a fastening screw C is connected to the fixing clamp B on one side of the supporting rod A through a bolt.
As a still further scheme of the invention: and a fastening screw D is connected to the fixing clamp B on one side of the spring plate through a bolt.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the weights are driven to vibrate by simple harmonic vibration generated by the spring plate, the stiffness coefficient of the spring plate is fixed and is less influenced by the external environment, the experimental error is smaller, experimental data can be transmitted into a computer through a signal transmission line for statistical analysis, the error generated by manual statistics is reduced, and the experimental precision is improved.
Drawings
Fig. 1 is a front view of an inertial scale apparatus for college physics experiments in accordance with the present invention.
Fig. 2 is a rear view of an inertial scale apparatus for college physics experiments in accordance with the present invention.
In the figure: the device comprises a base 1, a support rod 2, a support rod A, a support rod 3, a support rod B, a fixing clamp 4, a fastening screw A, a fastening screw B5, a fastening screw B6, a fixing rod 7, a chute 8, a clamping block 9, a bolt 10, a nut 11, a photoelectric door 12, a signal transmission line 13, a fixing clamp B14, a fastening screw C15, a fastening screw D16, a spring plate 17 and a weight cylinder 18.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1-2, in the embodiment of the present invention, an inertial scale apparatus for college physics experiments includes a base 1, a support bar B3 is disposed on the left side of the base 1, a fixing clip a4 is slidably disposed on the support bar B3, a fastening screw a5 is bolted to the fixing clip a4 outside the support bar B3, the apparatus fixes the fixing clip a4 to the support bar B3 through the fastening screw a5, and can achieve adjustable fixing of the fixing clip a4 to the support bar B3 through bolting of the fastening screw a5, a fixing rod 7 is slidably connected to the other side of the fixing clip a4, a fastening screw B6 is bolted to the fixing clip a4 on one side of the fixing rod 7, the apparatus fixes the fixing rod 7 to the fixing clip a4 through the fastening screw B6, and can achieve adjustable fixing of the fixing rod 7 to the fixing clip a4 through bolting of the fastening screw B6, a chute 8 is fixedly connected to the right end of the fixing, sliding connection has clamp splice 9 in the spout 8, is provided with photogate 12 in the clamp splice 9, and the clamp splice 9 top is connected with bolt 10, and bolt 10 trailing end connection has nut 11, and clamp splice 9 sliding connection is between bolt 10 and nut 11, and the device fastens the compression through the bolted connection of bolt 10 with nut 11 to clamp splice 9, makes clamp splice 9 realize pressing from both sides tightly photogate 12.
Preferably, in order to make the device better perform experiments, a support rod a2 is arranged on the right side of the base 1, a fixing clamp B14 is slidably connected to the support rod a2, a fastening screw C15 is bolted to the fixing clamp B14 on one side of the support rod a2, the device fixes a fixing clamp B14 on the support rod a2 through a fastening screw C15, adjustable fixing of the fixing clamp B14 on the support rod a2 can be achieved through bolting of a fastening screw C15, a spring plate 17 is slidably connected to the other side of the fixing clamp B14, a fastening screw D16 is bolted to the fixing clamp B14 on one side of the spring plate 17, the device fixes the spring plate 17 on the fixing clamp B14 through a fastening screw D16, adjustable fixing of the spring plate 17 on the fixing clamp B14 can be achieved through bolting of the fastening screw D16, and a weight cylinder 18 is fixedly connected to the left end of the spring plate 17.
Example 2
Referring to fig. 1, the present invention further provides another embodiment, which is different from the above embodiment in that a signal transmission line 13 is connected to a tail end of the optical gate 12, the other end of the signal transmission line 13 is connected to a computer, and after experimental data is transmitted into the computer through the signal transmission line 13, the data is integrated and analyzed through the computer to obtain an experimental result.
The working principle of the invention is as follows: when testing through the device, will measure and record the quality to a weight section of thick bamboo 18 and the stiffness coefficient of spring board 17 earlier, put into a weight section of thick bamboo 18 with the weight for the experiment after the measurement is accomplished, and adjust spring board 17 extension length and take notes extension length, after the adjustment is accomplished, pulling spring board 17 and unclamp and make spring board 17 carry out simple harmonic vibration, and measure cycle and frequency of vibrations through photogate 12, continue the experiment and take notes the experimental result through adjusting weight quality and spring board 17 arm length afterwards.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides an inertia balance device for college physics experiments, includes base (1), its characterized in that, base (1) left side is provided with bracing piece B (3), it is provided with fixation clamp A (4) to slide on bracing piece B (3), and fixation clamp A (4) opposite side sliding connection has dead lever (7), dead lever (7) right-hand member fixedly connected with spout (8), and sliding connection has clamp splice (9) in spout (8), is provided with photogate (12) in clamp splice (9), base (1) right side is provided with bracing piece A (2), sliding connection has fixation clamp B (14) on bracing piece A (2), and fixation clamp B (14) opposite side sliding connection has spring plate (17), and spring plate (17) left end fixedly connected with weight section of thick bamboo (18).
2. The inertial scale device for college physics experiments according to claim 1, characterized in that the tail end of the photoelectric door (12) is connected with a signal transmission line (13), and the other end of the signal transmission line (13) is connected with a computer.
3. The inertial scale device for college physics experiments according to claim 1, characterized in that a bolt (10) is connected to the top end of the clamping block (9), a nut (11) is connected to the tail end of the bolt (10), and the clamping block (9) is slidably connected between the bolt (10) and the nut (11).
4. The inertial scale apparatus for college physics experiments according to claim 1, characterized in that fastening screw a (5) is bolted on fixing clamp a (4) outside the supporting rod B (3).
5. The inertial scale device for college physics experiments according to claim 1 or 4, characterized in that fastening screw B (6) is bolted on the fixing clamp A (4) on one side of the fixing rod (7).
6. The inertial scale apparatus for college physics experiments according to claim 1, characterized in that fastening screw C (15) is bolted on the fixing clip B (14) on the side of the supporting rod a (2).
7. The inertial scale device for college physics experiments according to claim 1 or 6, characterized in that fastening screw D (16) is bolted on fixing clip B (14) on one side of the spring plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287252.9A CN112735235A (en) | 2020-11-17 | 2020-11-17 | Inertia balance device for college physics experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287252.9A CN112735235A (en) | 2020-11-17 | 2020-11-17 | Inertia balance device for college physics experiments |
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| Publication Number | Publication Date |
|---|---|
| CN112735235A true CN112735235A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011287252.9A Pending CN112735235A (en) | 2020-11-17 | 2020-11-17 | Inertia balance device for college physics experiments |
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| Country | Link |
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| CN (1) | CN112735235A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1527595A1 (en) * | 1987-07-06 | 1989-12-07 | Московский технологический институт | Accelerometer |
| CN202352190U (en) * | 2011-12-09 | 2012-07-25 | 陈公凯 | Experimental measurement device for rotational inertia |
| 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 |
| CN209625566U (en) * | 2019-02-12 | 2019-11-12 | 洛阳师范学院 | A kind of Experiment of College Physics inertia scale device |
| CN211604466U (en) * | 2020-04-30 | 2020-09-29 | 唐山师范学院 | Inertia balance device for college physics experiments |
-
2020
- 2020-11-17 CN CN202011287252.9A patent/CN112735235A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1527595A1 (en) * | 1987-07-06 | 1989-12-07 | Московский технологический институт | Accelerometer |
| CN202352190U (en) * | 2011-12-09 | 2012-07-25 | 陈公凯 | Experimental measurement device for rotational inertia |
| 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 |
| CN209625566U (en) * | 2019-02-12 | 2019-11-12 | 洛阳师范学院 | A kind of Experiment of College Physics inertia scale device |
| 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", 《高师理科学科》 * |
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Application publication date: 20210430 |
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