CN206331691U - A kind of acceleration of gravity measurement apparatus - Google Patents
A kind of acceleration of gravity measurement apparatus Download PDFInfo
- Publication number
- CN206331691U CN206331691U CN201621400845.0U CN201621400845U CN206331691U CN 206331691 U CN206331691 U CN 206331691U CN 201621400845 U CN201621400845 U CN 201621400845U CN 206331691 U CN206331691 U CN 206331691U
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- CN
- China
- Prior art keywords
- kerve
- acceleration
- lift assembly
- fixed
- timer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of acceleration of gravity measurement apparatus, including kerve, lift assembly, discharging device, timer, photoelectric sensor, pressure inductor and scale, the kerve is fixed in desktop, the lift assembly is fixed in kerve side, the discharging device is arranged on the elevator of lift assembly, the photoelectric sensor is arranged on the discharging opening of discharging device, the pressure inductor is arranged in kerve, the opening end of the timer is connected by signal wire with photoelectric sensor, the shutdown side of timer is connected by signal wire with pressure inductor, the scale is fixed in kerve side and is located at lift assembly on one side vertically.The utility model has the advantages that simple in construction, easy to use, using effect is good.
Description
Technical field
The utility model is related to teaching equipment technical field, specially a kind of acceleration of gravity measurement apparatus.
Background technology
Acceleration of gravity is an important physical concept and physical quantity, and acceleration of gravity measurement experiment is senior middle school and university
The Physical Experiment that must be done, is had using experimental method at present：Electromagnetic shooting point timer method, single pendulum method, freely falling body (photoelectricity
Door) method etc., the related physical quantities such as mensuration distance, time are needed during experiment, acceleration of gravity number is calculated further according to correlation formula
Value, experimentation is more complicated, and error is larger, is not suitable in physics lesson classroom teaching as lecture experiment.
Utility model content
The purpose of this utility model is to provide a kind of acceleration of gravity measurement apparatus, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：A kind of acceleration of gravity measurement apparatus, including
Kerve, lift assembly, discharging device, timer, photoelectric sensor, pressure inductor and scale, the kerve are fixed in desktop,
The lift assembly is fixed in kerve side, and the discharging device is arranged on the elevator of lift assembly, the optoelectronic induction
Device is arranged on the discharging opening of discharging device, and the pressure inductor is arranged in kerve, and the opening end of the timer passes through letter
Number line is connected with photoelectric sensor, and the shutdown side of timer is connected by signal wire with pressure inductor, and the scale is solid vertically
It is connected on kerve side and is located at lift assembly side.
It is preferred that, the lift assembly is made up of fixed seat, slide bar, screw mandrel, movable block, motor, and the slide bar is
Two, slide bar two ends are connected with fixed seat respectively, and the fixed seat is two, and one of those is fixed on kerve, the silk
Bar two ends are connected in fixed seat by bearing, and the movable block is slidably connected on slide bar, and are provided with screwed hole on movable block,
Movable block is connected by screw thread with screw mandrel, and movable block is affixed with discharging device, and the motor is arranged in the fixed seat of upper end,
And driving motor output shaft and screw mandrel are affixed.
It is preferred that, the discharging device is made up of discharging opening, curved tube, storage warehouse, electromagnetic controller, and the discharging opening is water
Flat pipe, the curved tube are fixed in discharging metastomium, and the storage warehouse is fixed in curved tube upper end, and the electromagnetic controller is arranged on storage
Storage lower end.
It is preferred that, the kerve front end is provided with its pneumatic pressure pulses head.
It is preferred that, the display screen of the timer is multicolumn display screen.
Compared with prior art, the beneficial effects of the utility model are：The driving electricity that the utility model passes through lift assembly
Machine drive screw, so as to allow movable block to move up and down, reaches the height for controlling small steel ball level to project, electromagnetic controller can be realized
The level of small steel ball is projected, and uniformly discharges the effect of small steel ball；Automatic discharging, it is easy to operate；Kerve front end is provided with its gas
Head pulse is pressed, small steel ball is blown into side using air-flow, interfering between testing is eliminated；It is high using clocking method accuracy,
And multi-group data can be obtained, unitary construction is simple, easy to use, using effect is good.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is lift assembly structural representation of the present utility model；
Fig. 3 is discharging device structural representation of the present utility model.
In figure：1- kerves；2- lift assemblies；3- discharging devices；4- timers；5- photoelectric sensors；6- pressure sensitives
Device；7- scales；8- pneumatic pressure pulses heads；11- fixed seats；12- slide bars；13- screw mandrels；14- movable blocks；15- motors；21- goes out
Material mouth；22- curved tubes；23- storage warehouses；24- electromagnetic controllers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1, Fig. 2, Fig. 3, a kind of acceleration of gravity measurement apparatus, including：Kerve 1, lift assembly 2, blowing dress
3, timer 4, photoelectric sensor 5, pressure inductor 6 and scale 7 are put, the kerve 1 is fixed in desktop, the lift assembly 2
The side of kerve 1 is fixed in, the discharging device 3 is arranged on the elevator of lift assembly 2, and the photoelectric sensor 5 is arranged on
The discharging opening of discharging device 3, the pressure inductor 6 is arranged in kerve 1, and the opening end of the timer 4 passes through signal wire
It is connected with photoelectric sensor 5, the shutdown side of timer 4 is connected by signal wire with pressure inductor 6, the scale 7 is solid vertically
The side of kerve 1 is connected on positioned at the side of lift assembly 2.
The lift assembly 2 is made up of fixed seat 11, slide bar 12, screw mandrel 13, movable block 14 and motor 15, described
Slide bar 12 is two, and the two ends of slide bar 12 are connected with fixed seat 11 respectively, and the fixed seat 11 is two, and one of those is fixed in
On kerve 1, the two ends of screw mandrel 13 are connected in fixed seat 11 by bearing, and the movable block 14 is slidably connected at slide bar 12
On, and screwed hole is provided with movable block 14, movable block 14 is connected by screw thread with screw mandrel 13, and movable block 14 is consolidated with discharging device 3
Connect, the motor 15 is arranged in upper end fixed seat 11, and the output shaft of motor 15 and screw mandrel 13 are affixed.Lifting is total
Into 2 drive screw 13 of motor 15, so as to allow movable block 14 to move up and down, the height for controlling small steel ball level to project is reached
Degree, can carry out multigroup experiment；
The discharging device 3 is made up of discharging opening 21, curved tube 22, storage warehouse 23, electromagnetic controller 24, the discharging opening 21
For horizontal tube, the curved tube 22 is fixed in the rear portion of discharging opening 21, and the storage warehouse 23 is fixed in the upper end of curved tube 22, the electromagnetism
Controller 24 is arranged on the lower end of storage warehouse 23.The level that small steel ball can be achieved is projected, and uniformly discharges the effect of small steel ball；
The front end of kerve 1 is provided with its pneumatic pressure pulses first 8.Small steel ball is blown into side using air-flow, eliminated between testing
Interfere；
The display screen of the timer 4 is multicolumn display screen.It is more convenient to use multi-group data can be recorded simultaneously.
Operation principle：In use, prevent some small steel balls in storage warehouse 23, by electromagnetic controller 24 by small steel ball
Release one by one, by the acceleration of discharging device 3, small steel ball is projected from the level of discharging opening 21, photoelectric sensor 5 is triggered, so as to open
Dynamic timer 4, after small steel ball is projected, does the movement of falling object, finally falls on pressure inductor 6, so as to close on vertical direction
Timer 4 is closed, the time for the vertical as freely falling body that timer 4 is shown, in the scale of more scale 7, gain freedom landing
Height, so as to calculate acceleration of gravity.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of acceleration of gravity measurement apparatus, including kerve (1), lift assembly (2), discharging device (3), timer (4), light
Electric inductor (5), pressure inductor (6) and scale (7), the kerve (1) are affixed on the table, and the lift assembly (2) is solid
Kerve (1) side is connected on, the discharging device (3) is arranged on the elevator of lift assembly (2), the photoelectric sensor (5)
Discharging opening installed in discharging device (3), the pressure inductor (6) is arranged in kerve (1), and timer (4) are opened
Qi Duan is connected by signal wire with photoelectric sensor (5), and the shutdown side of timer (4) passes through signal wire and pressure inductor (6)
Connection, the scale (7) is fixed in kerve (1) and is located at lift assembly (2) side sideways vertically.
2. a kind of acceleration of gravity measurement apparatus according to claim 1, it is characterised in that：The lift assembly (2) by
Fixed seat (11), slide bar (12), screw mandrel (13), movable block (14) and motor (15) composition, the slide bar (12) is two,
Slide bar (12) two ends are connected with fixed seat (11) respectively, and the fixed seat (11) is two, and one of those is fixed in kerve (1)
On, screw mandrel (13) two ends are connected in fixed seat (11) by bearing, and the movable block (14) is slidably connected at slide bar
(12) screwed hole is provided with, and on movable block (14), movable block (14) is connected by screw thread with screw mandrel (13), movable block (14) with
Discharging device (3) is affixed, the motor (15) be arranged on upper end fixed seat (11) on, and motor (15) output shaft with
Screw mandrel (13) is affixed.
3. a kind of acceleration of gravity measurement apparatus according to claim 1, it is characterised in that：The discharging device (3) by
Discharging opening (21), curved tube (22), storage warehouse (23), electromagnetic controller (24) composition, the discharging opening (21) is horizontal tube, described
Curved tube (22) is fixed in discharging opening (21) rear portion, and the storage warehouse (23) is fixed in curved tube (22) upper end, the electromagnetic controller
(24) it is arranged on storage warehouse (23) lower end.
4. a kind of acceleration of gravity measurement apparatus according to claim 1, it is characterised in that：Kerve (1) front end is set
It is equipped with its pneumatic pressure pulses head (8).
5. a kind of acceleration of gravity measurement apparatus according to claim 1, it is characterised in that：The timer (4) it is aobvious
Display screen is multicolumn display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621400845.0U CN206331691U (en) | 2016-12-20 | 2016-12-20 | A kind of acceleration of gravity measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621400845.0U CN206331691U (en) | 2016-12-20 | 2016-12-20 | A kind of acceleration of gravity measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331691U true CN206331691U (en) | 2017-07-14 |
Family
ID=59291404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621400845.0U Expired - Fee Related CN206331691U (en) | 2016-12-20 | 2016-12-20 | A kind of acceleration of gravity measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113568059A (en) * | 2021-07-22 | 2021-10-29 | 柯琪 | Device for measuring gravity acceleration by laser method |
-
2016
- 2016-12-20 CN CN201621400845.0U patent/CN206331691U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113568059A (en) * | 2021-07-22 | 2021-10-29 | 柯琪 | Device for measuring gravity acceleration by laser method |
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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: 20170714 Termination date: 20181220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |