CN209133030U - A kind of device that can measure arbitrary shaped body inertia mass - Google Patents
A kind of device that can measure arbitrary shaped body inertia mass Download PDFInfo
- Publication number
- CN209133030U CN209133030U CN201820865714.2U CN201820865714U CN209133030U CN 209133030 U CN209133030 U CN 209133030U CN 201820865714 U CN201820865714 U CN 201820865714U CN 209133030 U CN209133030 U CN 209133030U
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- China
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- air track
- photoelectric door
- objective table
- experimental bench
- inertia mass
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Abstract
The utility model discloses the devices that one kind can measure arbitrary shaped body inertia mass, including the first photoelectric door, objective table, experimental bench, air track is installed above the experimental bench, objective table is placed with above the air track, the surface of the traction rope is installed by force sensor, the air track surface of described traction rope one end is equipped with baffle, the side of the baffle is equipped with spring, one end of the spring is equipped with buffer board, the first photoelectric door is installed above the experimental bench of the air track side, the second photoelectric door is installed above the experimental bench of first photoelectric door side, digital timer is installed above the experimental bench of the air track other side.The utility model solves the problems, such as that being unable to measure the inertia mass of all shaped objects and object under test easily slips damage by setting objective table, the first photoelectric door, the second photoelectric door, digital timer, air track, light barrier, baffle, spring, buffer board structure.
Description
Technical field
The utility model relates to physics inertia experimental technique field, specially one kind can measure arbitrary shaped body inertia
The device of quality.
Background technique
It is all the vibration period by measuring object under test that many universities, which carry out the measuring instrument of object inertia mass, now
Come what is obtained, measuring principle and university's content association are closer.But this method needs to learn the inertia mass ability of counterweight in advance
It is compared with determinand, and the inertia mass that can be installed on the object of platform can only be measured, therefore whether we expect
It is again few to develop a kind of device limitation, and the inertia mass of various shape object can be measured, and easy to operate, know with senior middle school
It is close to know connection, both can be used for the extracurricular expansion of high school student, and can be used for Experiment of College Physics.The utility model is specially
A kind of device that can measure arbitrary shaped body inertia mass.
But there are deficiencies below for existing technology:
1, in the prior art in the inertia mass experiment for object, it is unable to measure the shaped object inertia matter of institute
Amount, and measure required knowledge and university's content association too closely, high school student can not be suitable for, so needing a kind of simple
The inertia mass that can measure different shape object；
2, in the inertia mass experiment for carrying out object, all it is to need that object is allowed to do uniformly accelrated rectilinear motion, arrives guide rail
Length is certain, so object being measured is easily caused directly to slip from guide rail, is directly damaged.
Summary of the invention
In view of the deficiencies of the prior art, the utility model, which provides one kind, can measure arbitrary shaped body inertia mass
Device solves the problems, such as that being unable to measure the inertia mass of all shaped objects and object under test easily slips damage.
To achieve the above object, the utility model provides the following technical solutions: it is used that one kind can measure arbitrary shaped body
The device of property amount, including the first photoelectric door, objective table, experimental bench, the bottom of the experimental bench are equipped with pillar, the experiment
The top of platform is equipped with air track by adjusting nut, and objective table, the objective table are placed with above the air track
One end drag hook is installed, the bottom end of the objective table side is equipped with light barrier, the gas of described objective table one end by connecting rod
Pad guide rail top is equipped with limit plate, and the air track surface of the limit plate side is provided with graduation mark, the objective table
The other end is equipped with traction rope, and force sensor, the air track table of described traction rope one end are installed in the surface of the traction rope
Face is equipped with baffle, and the side of the baffle is equipped with spring, and one end of the spring is equipped with buffer board, the table of the baffle
Face is provided with circular hole, and the air track surface of the baffle other side is equipped with fixed pulley, the air track one by bracket
First photoelectric door is installed above the experimental bench of side, the second photoelectricity is installed above the experimental bench of first photoelectric door side
The experimental bench top of door, the air track other side is equipped with digital timer, the experimental bench of the digital timer side
Top is equipped with controller, is equipped with battery group above the experimental bench of the controller side.
Preferably, the air track surface of the drag hook side is equipped with round bar, and the surface of the round bar is placed with rubber band,
One end of the rubber band is connect with drag hook.
Preferably, one end of the traction rope passes through the circular hole and fixed pulley of baffle surface, and the end installation of traction rope
There is weight.
Preferably, the output end of first photoelectric door and the second photoelectric door is connect with digital timer, the digital meter
When device output end connect with controller, the output end of the controller is connect with the first photoelectric door and the second photoelectric door.
Preferably, the output end of the battery group is connect with the first photoelectric door, the second photoelectric door and air track.
The utility model provides a kind of device that can measure arbitrary shaped body inertia mass, has following beneficial to effect
Fruit:
(1) the utility model is led by setting objective table, the first photoelectric door, the second photoelectric door, digital timer, air cushion
Rail, light barrier, the instruments used for education for making the utility model survey inertia mass than other are more flexible, can measure definite quality range
The inertia mass of interior various shape object, it is relatively simple convenient to manipulate, and is connected tighter with senior middle school knowledge, it can be readily appreciated that simply
Quickly, so that the problem of effective solution is unable to measure the inertia mass of all shaped objects, is carrying out inertia mass experiment
Before, air track is leveled, if run-off the straight, is adjusted using adjusting nut, it is ensured that air track is in horizontality,
Then, it is powered using battery group to the first photoelectric door and the second photoelectric door and air track, places and carry on air track
Traction rope is connect by object platform with weight, and weight is counterweight, ensures that traction rope and air track are horizontal at this time, then, in objective table
The hook of objective table side is connect using rubber band with round bar, the one end of objective table is made to touch limit by upper placement object under test
Plate, then objective table is discharged, and keeping experiment every time is all that this position starts to discharge, weight of the objective table in traction rope one end is made
Under, the horizontal movement on air track records generated pulling force in experimentation, and objective table by force snesor at this time
Bottom end is equipped with light barrier, the time passed through using digital timer record light barrier, and is calculated according to the length gauge of barn door
By the speed of the first photoelectric door and the second photoelectric door, the inertia of object is calculated further according to the pulling force size that force snesor obtains
Strength.
(2) the utility model makes the utility model in the inertia matter for carrying out object by setting baffle, spring, buffer board
When amount experiment, object under test will not be damaged, cause to damage without manpower contact, practicability is higher, thus effective solution to
The problem of object easily slips damage is surveyed, when carrying out the measurement of inertia mass, due to objective table even acceleration under the action of weight
Straight horizontal movement, but the length of air track is limited, if not stopped directly to fall, causes to damage, equally
It can not directly be contacted using manpower, and the utility model directly is mounted with to keep off in the air track part beyond the first photoelectric door
Plate is equipped with spring and buffer board on the surface of baffle, when one end edge of stage movement to air track, directly with it is slow
Punching contact, under the elastic deformation effect of spring, quick deceleration buffer, avoid makes the first photoelectric door again while falling
The movement velocity of object has been measured, object under test has not only been protected but also has not influenced the progress of experiment.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic view；
Fig. 3 is the utility model objective table side structure schematic view.
In figure: 1, baffle；2, spring；3, buffer board；4, the first photoelectric door；5, traction rope；6, graduation mark；7, power senses
Device；8, the second photoelectric door；9, objective table；10, limit plate；11, rubber band；12, round bar；13, drag hook；14, connecting rod；15, light barrier；
16, fixed pulley；17, bracket；18, air track；19, weight；20, adjusting nut；21, experimental bench；22, pillar；23, it controls
Device；24, battery group；25, digital timer；26, circular hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: one kind can measure arbitrary shaped body inertia matter
The device of amount, including the first photoelectric door 4, objective table 9, experimental bench 21, the bottom of experimental bench 21 are equipped with pillar 22, experimental bench 21
Top air track 18 is equipped with by adjusting nut 20, the top of air track 18 is placed with objective table 9, objective table 9
One end is equipped with drag hook 13, and 18 surface of air track of 13 side of drag hook is equipped with round bar 12, and the surface of round bar 12 is placed with skin
One end of muscle 11, rubber band 11 is connect with drag hook 13, and the bottom end of 9 side of objective table is equipped with light barrier 15, loading by connecting rod 14
18 top of air track of 9 one end of platform is equipped with limit plate 10, and 18 surface of air track of 10 side of limit plate is provided with scale
Line 6, the other end of objective table 9 are equipped with traction rope 5, and force sensor 7, the model of force snesor 7 are installed in the surface of traction rope 5
For JMZX-310AT force snesor, belong to the prior art, 18 surface of air track of 5 one end of traction rope is equipped with baffle 1, baffle
1 side is equipped with spring 2, and one end of spring 2 is equipped with buffer board 3, and the surface of baffle 1 is provided with circular hole 26, traction rope 5
One end passes through the circular hole 26 and fixed pulley 16 on 1 surface of baffle, and the end of traction rope 5 is equipped with weight 19, is carrying out inertia matter
When the measurement of amount, due to even acceleration straight horizontal movement under the action of weight of objective table 9, but the length of air track 18 is that have
Limit, if not stopped directly to fall, cause to damage, is also impossible to that manpower is directly utilized to contact, and this is practical new
Type is directly mounted with baffle 1 in 18 part of air track beyond the first photoelectric door 4, is equipped with 2 He of spring on the surface of baffle 1
Buffer board 3 is directly contacted, in the elasticity of spring 2 with buffer board 3 when objective table 9 moves to one end edge of air track 18
Under deformation effect, quick deceleration buffer avoids the movement speed for making the first photoelectric door 4 measure object while falling again
Degree had not only protected object under test but also had not influenced the progress of experiment, made the utility model in the inertia mass experiment for carrying out object,
Object under test will not be damaged, causes to damage without manpower contact, practicability is higher, 18 surface of air track of 1 other side of baffle
Fixed pulley 16 is installed by bracket 17, the first photoelectric door 4, the first light are installed above the experimental bench 21 of 18 side of air track
Second photoelectric door 8 is installed above the experimental bench 21 of 4 side of electric switch, is equipped with above the experimental bench 21 of 18 other side of air track
Digital timer 25, the model WS-J0201 digital timer of digital timer 25, belongs to the prior art, digital timer 25
Controller 23 is installed above the experimental bench 21 of side, the model MAM-330 controller of controller 23 belongs to the prior art,
The output end of first photoelectric door 4 and the second photoelectric door 8 is connect with digital timer 25, the output end of digital timer 25 and control
Device 23 connects, and the output end of controller 23 is connect with the first photoelectric door 4 and the second photoelectric door 8, the experimental bench of 23 side of controller
21 tops are equipped with battery group 24, the output end of battery group 24 and the first photoelectric door 4, the second photoelectric door 8 and air track
18 connections, before carrying out inertia mass experiment, air track 18 is leveled, if run-off the straight, is carried out using adjusting nut 20
Adjustment, it is ensured that air track 18 is in horizontality, then, gives the first photoelectric door 4 and the second photoelectric door 8 using battery group 24
And air track 18 is powered, and objective table 9 is placed on air track 18, traction rope 5 is connect with weight 19, weight 19 is weight
Code ensures that traction rope 5 and air track 18 are horizontal at this time, then, object under test is placed on objective table 9, by 9 side of objective table
Hook 13 connect with round bar 12 using rubber band 11, make the one end touching limit plate 10 of objective table 9, then objective table 9 is discharged,
And keeping experiment every time is all that this position starts to discharge, objective table 9 is led in the case where the weight 19 of 5 one end of traction rope is acted in air cushion
Horizontal movement on rail 18 records generated pulling force in experimentation by force snesor 7 at this time, and 9 bottom end of objective table is installed
There is light barrier 15, the time that light barrier 15 passes through is recorded using digital timer 25, and according to the width of barn door, to calculate
Pass through speed when the first photoelectric door 4 and the second photoelectric door 8 out, is calculated further according to the pulling force size that force snesor 7 is perceived
The inertia mass of object, the instruments used for education for making the utility model survey inertia mass than other are more flexible, can measure regulation matter
The inertia mass of the various shape object in range is measured, it is relatively simple convenient to manipulate, and is connected tighter with senior middle school knowledge, is easy to manage
Solution, it is simple and quick.
In use, the utility model is leveled air track 18 before carrying out inertia mass experiment, using adjusting nut 20,
Ensure that air track 18 is in horizontality, then, using battery group 24 to the first photoelectric door 4 and the second photoelectric door 8 and
Air track 18 is powered, and controller 23 controls the first photoelectric door 4 and the second photoelectric door 8 and air track 18 works, in air cushion
Objective table 9 is placed on guide rail 18, traction rope 5 is connect with weight 19, adjusts traction rope 5 and air track 18 is horizontal, in loading
Object under test is placed on platform 9, the hook 13 of 9 side of objective table is connect using rubber band 11 with round bar 12, one end of objective table 9 is made
Portion touches limit plate 10, then objective table 9 is discharged, and keeping experiment every time is all that this position starts to discharge, and objective table 9 is in weight
Under 19 effects, the horizontal movement on air track 18 records generated pulling force in experimentation by force snesor 7, utilizes
Digital timer 25 records the time that the light barrier 15 of 9 bottom end of objective table installation passes through, and according to the width of barn door, to count
Speed when calculating through the first photoelectric door 4 and the second photoelectric door 8, when objective table 9 moves to an end margin of air track 18
Place, directly contacts with buffer board 3, under the elastic deformation effect of spring 2, quick deceleration buffer, further according to 7 institute of force snesor
The pulling force size of perception calculates the inertia mass of object.
It can to sum up obtain, the utility model passes through setting objective table 9, the first photoelectric door 4, the second photoelectric door 8, digital timer
25, air track 18, light barrier 15, baffle 1, spring 2,3 structure of buffer board solve and are unable to measure the used of all shaped objects
Property amount and object under test easily slip the problem of damage.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. one kind can measure the device of arbitrary shaped body inertia mass, including the first photoelectric door (4), objective table (9), experiment
Platform (21), it is characterised in that: the bottom of the experimental bench (21) is equipped with pillar (22), is passed through above the experimental bench (21)
Adjusting nut (20) is equipped with air track (18), is placed with objective table (9), the loading above the air track (18)
One end of platform (9) is equipped with drag hook (13), and the bottom end of objective table (9) side is equipped with light barrier by connecting rod (14)
(15), air track (18) top of described objective table (9) one end is equipped with limit plate (10), limit plate (10) side
Air track (18) surface is provided with graduation mark (6), and the other end of the objective table (9) is equipped with traction rope (5), the traction
Force sensor (7) are installed on the surface of rope (5), and air track (18) surface of described traction rope (5) one end is equipped with baffle
(1), the side of the baffle (1) is equipped with spring (2), and one end of the spring (2) is equipped with buffer board (3), the baffle
(1) surface is provided with circular hole (26), and air track (18) surface of baffle (1) other side is equipped with by bracket (17)
Experimental bench (21) top of fixed pulley (16), air track (18) side is equipped with the first photoelectric door (4), first light
It is equipped with the second photoelectric door (8) above the experimental bench (21) of electric switch (4) side, the experimental bench of air track (18) other side
(21) top is equipped with digital timer (25), is equipped with control above the experimental bench (21) of digital timer (25) side
Experimental bench (21) top of device (23), controller (23) side is equipped with battery group (24).
2. the device that one kind according to claim 1 can measure arbitrary shaped body inertia mass, it is characterised in that: institute
Air track (18) surface for stating drag hook (13) side is equipped with round bar (12), and the surface of the round bar (12) is placed with rubber band
(11), one end of the rubber band (11) is connect with drag hook (13).
3. the device that one kind according to claim 1 can measure arbitrary shaped body inertia mass, it is characterised in that: institute
The one end for stating traction rope (5) passes through circular hole (26) and fixed pulley (16) on baffle (1) surface, and the end installation of traction rope (5)
There are weight (19).
4. the device that one kind according to claim 1 can measure arbitrary shaped body inertia mass, it is characterised in that: institute
The output end for stating the first photoelectric door (4) and the second photoelectric door (8) is connect with digital timer (25), the digital timer (25)
Output end connect with controller (23), the output end and the first photoelectric door (4) and the second photoelectric door (8) of the controller (23)
Connection.
5. the device that one kind according to claim 1 can measure arbitrary shaped body inertia mass, it is characterised in that: institute
The output end for stating battery group (24) is connect with the first photoelectric door (4), the second photoelectric door (8) and air track (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820865714.2U CN209133030U (en) | 2018-06-06 | 2018-06-06 | A kind of device that can measure arbitrary shaped body inertia mass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820865714.2U CN209133030U (en) | 2018-06-06 | 2018-06-06 | A kind of device that can measure arbitrary shaped body inertia mass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209133030U true CN209133030U (en) | 2019-07-19 |
Family
ID=67227233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820865714.2U Expired - Fee Related CN209133030U (en) | 2018-06-06 | 2018-06-06 | A kind of device that can measure arbitrary shaped body inertia mass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209133030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111564090A (en) * | 2020-06-08 | 2020-08-21 | 北京中电智诚科技有限公司 | System and method for realizing inertia test |
-
2018
- 2018-06-06 CN CN201820865714.2U patent/CN209133030U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108573639B (en) * | 2018-06-06 | 2023-09-01 | 河南师范大学 | Device capable of measuring inertial mass of object with arbitrary shape |
| CN111564090A (en) * | 2020-06-08 | 2020-08-21 | 北京中电智诚科技有限公司 | System and method for realizing inertia test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20200606 |
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| CF01 | Termination of patent right due to non-payment of annual fee |