CN207852159U - A kind of speed measuring device of Physical Experiment - Google Patents
A kind of speed measuring device of Physical Experiment Download PDFInfo
- Publication number
- CN207852159U CN207852159U CN201721732602.1U CN201721732602U CN207852159U CN 207852159 U CN207852159 U CN 207852159U CN 201721732602 U CN201721732602 U CN 201721732602U CN 207852159 U CN207852159 U CN 207852159U
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- China
- Prior art keywords
- output shaft
- gear
- bevel gear
- shaft
- bearing
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Abstract
The utility model is related to velocity measuring technique field more particularly to a kind of speed measuring devices of Physical Experiment.It may be implemented in the timing of input speed one including gear shaping speed change gear, the sum of the first output shaft and rotating speed of the second output shaft are definite value；The setting of sensor and baffle can record turnning circle to which rotating speed be calculated；The setting of brake ribbon can control the rotating speed of output shaft by adjusting bolt, and it is asynchronous to realize that the first output shaft is rotated with the second output shaft；The design of whole device can help student preferably to grasp physical knowledge, and the intuitive meaning for showing theorem also can help student to be better understood from and remember.
Description
Technical field
The utility model is related to velocity measuring technique field more particularly to a kind of speed measuring devices of Physical Experiment.
Background technology
Physics occupies an important position as the main subject in natural sciences, it is an experimental subject, passes through proposition
Guess and theory are verified and are determined that theoretical correctness, experiment can help student preferably to grasp physics in a manner of experiment
Knowledge, the intuitive meaning for showing theorem, also can help student to be better understood from and remember, and common movement is tested the speed physics reality
Experiment device is complicated for operation, it has not been convenient to which the experimental implementation of student, this increases difficulty to the operation and study of student.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned technical deficiency, provides a kind of physics
The speed measuring device of experiment may be implemented using gear shaping speed change gear in one timing of input speed, the first output shaft and the second output
The sum of rotating speed of axis is definite value；The setting of sensor and baffle can record turnning circle to which rotating speed be calculated；Brake ribbon
Setting can by adjusting bolt control output shaft rotating speed, realize the first output shaft it is asynchronous with the second output shaft；Entirely
The design of device can help student preferably to grasp physical knowledge, and the intuitive meaning for showing theorem can also help student
It is better understood from and remembers.
In order to solve the above technical problems, technical solution used by the utility model is：Become quick-mounting including pedestal and gear shaping
It sets；It is fixedly installed connecting plate above pedestal；Connecting plate is fixedly connected with gear shaping speed change gear；Top is set in the middle part of connecting plate right end
It is equipped with fixed seat；Above fixed seat sensor is fixedly installed with pedestal upper end；Gear shaping speed change gear left end screw, which is fixed, to be connected
It is connected to servo motor；Gear shaping speed change gear includes shell and column；Enclosure bottom end bearing is connected with input shaft；Input shaft is left
End is connect with servo motor shaft coupling；Input shaft right end is provided with first bevel gear；Cover top portion both sides are provided with support base；On
In square support base the first output shaft is connected with through bearing；In supported underneath seat the second output shaft is connected with through bearing；First
Output shaft and second output shaft one end are both provided with baffle；The first output shaft other end is provided with third hand tap gear；Second output
The axis other end is provided with the 4th bevel gear；Bearing is connected with second bevel gear above the support base of bottom；First bevel gear and second
Bevel gear engaged transmission；Second bevel gear side is fixedly installed revolving bed；The revolving bed other end and the first output shaft bearing connect
It connects；The equal shaft in revolving bed both sides is connected with the 5th bevel gear.
The technical program is advanced optimized, two the 5th bevel gears nibble with third hand tap gear and the 4th bevel gear respectively
Close transmission；The length of baffle is equal to the distance between sensor and the first output shaft.
The technical program is advanced optimized, the support base right side central is provided with guide groove；Sliding connects in guide groove
It is connected to push rod；It is welded with nut in the middle part of two guide grooves.
The technical program is advanced optimized, the push rod right end is provided with sleeve；Adjusting bolt is connected in sleeve；It adjusts
The section bolt other end is connect with nut thread；The push rod other end is provided with brake ribbon.
Compared with prior art, the utility model has the following advantages：1, gear shaping speed change gear may be implemented to turn in input
The sum of the rotating speed of one timing of speed, the first output shaft and the second output shaft is definite value；2, the setting of sensor and baffle can record
Turnning circle, by time and the number of turns to which rotating speed be calculated；3, the setting of brake ribbon can be controlled defeated by adjusting bolt
The rotating speed of shaft realizes that the first output shaft is asynchronous with the second output shaft；4, the design of a device can help student better
Physical knowledge is grasped, the intuitive meaning for showing theorem also can help student to be better understood from and remember.
Description of the drawings
Fig. 1 is a kind of whole installation diagram of the speed measuring device of Physical Experiment.
Fig. 2 is a kind of gear shaping speed change gear internal structure chart of speed measuring device of Physical Experiment.
Fig. 3 is a kind of gear shaping speed change gear local structural graph of speed measuring device of Physical Experiment.
In figure：1, pedestal；2, gear shaping speed change gear；3, connecting plate；4, fixed seat；5, sensor；6, servo motor；7, outer
Shell；8, column；9, input shaft；10, first bevel gear；11, support base；12, the first output shaft；13, the second output shaft；14, it keeps off
Plate；15, third hand tap gear；16, the 4th bevel gear；17, second bevel gear；18, revolving bed；19, the 5th bevel gear；20, it is oriented to
Slot；21, push rod；22, nut；23, sleeve；24, adjusting bolt；25, brake ribbon.
Specific implementation mode
To make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment
And with reference to attached drawing, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid not
Necessarily obscure the concept of the utility model.
Specific implementation mode one：In conjunction with shown in Fig. 1-3, including pedestal 1 and gear shaping speed change gear 2；1 top fixation of pedestal is set
It is equipped with connecting plate 3；Connecting plate 3 is fixedly connected with gear shaping speed change gear 2；Top is provided with fixed seat 4 in the middle part of 3 right end of connecting plate；
4 top of fixed seat is fixedly installed sensor 5 with 1 upper end of pedestal；2 left end screw of gear shaping speed change gear is fixedly connected with servo
Motor 6；Gear shaping speed change gear 2 includes shell 7 and column 8；7 inner bottom bearing of shell is connected with input shaft 9；Input shaft 9 is left
End is connect with 6 shaft coupling of servo motor；9 right end of input shaft is provided with first bevel gear 10；7 top both sides of shell are provided with support
Seat 11；In upper support seat 11 the first output shaft 12 is connected with through bearing；It is connected with the through bearing in supported underneath seat 11
Two output shafts 13；First output shaft 12 and 13 one end of the second output shaft are both provided with baffle 14；First output shaft, 12 other end is set
It is equipped with third hand tap gear 15；Second output shaft, 13 other end is provided with the 4th bevel gear 16；Support base 11 top bearing in bottom connects
It is connected to second bevel gear 17；First bevel gear 10 and 17 engaged transmission of second bevel gear；17 side of second bevel gear is fixedly installed
There is revolving bed 18；18 other end of revolving bed is connect with 12 bearing of the first output shaft；The equal shaft in 18 both sides of revolving bed is connected with the 5th
Bevel gear 19；Two the 5th bevel gears 19 respectively with third hand tap gear 15 and the engaged transmission of the 4th bevel gear 16；The length of baffle 14
Equal to the distance between sensor 5 and the first output shaft 12；11 right side central of support base is provided with guide groove 20；In guide groove 20
Slidably connect push rod 21；Two guide grooves, 20 middle part is welded with nut 22；21 right end of push rod is provided with sleeve 23；Card in sleeve 23
It is connected to adjusting bolt 24；24 other end of adjusting bolt is threadedly coupled with nut 22；21 other end of push rod is provided with brake ribbon 25.
In use, step 1 rotates adjusting bolt 24, adjusting bolt 24 and 22 screw thread of nut counterclockwise as shown in Figs. 1-3
Connection, adjusting bolt 24 move backward drive push rod 21 move out, when two push rods 21 respectively with the first output shaft 12 and second
When output shaft 13 detaches, adjusting bolt of stopping rotating 24；Start servo motor 6, rotation band 9 up time of driven input shaft of servo motor 6
Needle rotates；First bevel gear 10 and 17 engaged transmission of second bevel gear, so first bevel gear 10 rotates clockwise drive second
Bevel gear 17 rotates counterclockwise；Because revolving bed 18 is fixedly connected with 17 screw of second bevel gear；So revolving bed 18 and second is bored
Gear 17 rotates synchronously；Two the 5th bevel gears 19 engage with third hand tap gear 15 and the 4th bevel gear 16 respectively, so revolution
Seat 18 drives the first output shaft 12 and the second output shaft 13 to rotate during rotation；First output shaft 12 and the second output shaft
13 drive baffle 14 to rotate during rotation, and baffle 14 automatically records a data when being located at 5 inside of sensor.
Step 2 rotates clockwise the adjusting bolt 24 of top as shown in Figs. 1-3, and adjusting bolt 24 is to the first output shaft
12 directions move, to push push rod 21 to be slided along guide groove 20, when brake ribbon 25 and the first output shaft 12 contact, because braking
Rubbing action with 25 and first between output shaft 12,12 resistance of the first output shaft rotating speed that becomes larger becomes smaller, while the second output shaft
13 rotating speed becomes larger；Continue to rotate clockwise and adjust 24 bolt of spiral shell until the first output shaft 12 stops operating, at this moment the second output shaft
13 be maximum (top) speed；The adjusting bolt 24 for similarly unclamping top, tightens the adjusting bolt 24 of lower section, and 13 rotating speed of the second output shaft is
Zero, the first output shaft 12 is maximum (top) speed.
Step 3 can be according to transmission ratio formula i12=N1/N2=Z1/ under the premise of the output rotating speed of servo motor 6 is certain
Z2 finds out the sum of the rotating speed of the first output shaft and the second output shaft, to be compared with the data of two sensors record, as a result base
This is identical；The design of whole device is verified and is determined that theoretical correctness, experiment can help student more preferable in a manner of experiment
Grasp physical knowledge, the intuitive meaning for showing theorem also can help student to be better understood from and remember.
It should be understood that the above-mentioned specific implementation mode of the utility model is used only for exemplary illustration or explains this reality
With novel principle, without constituting limitations of the present invention.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.In addition,
The appended claims for the utility model are intended to cover to fall into attached claim scope and boundary or this range and boundary
Whole change and modification examples in equivalent form.
Claims (4)
1. a kind of speed measuring device of Physical Experiment, it is characterised in that：Including pedestal (1) and gear shaping speed change gear (2)；Pedestal (1)
Top is fixedly installed connecting plate (3)；Connecting plate (3) is fixedly connected with gear shaping speed change gear (2)；In the middle part of connecting plate (3) right end
Top is provided with fixed seat (4)；Above fixed seat (4) sensor (5) is fixedly installed with pedestal (1) upper end；Gear shaping speed change
Device (2) left end screw is fixedly connected with servo motor (6)；Gear shaping speed change gear (2) includes shell (7) and column (8)；Shell
(7) inner bottom bearing is connected with input shaft (9)；Input shaft (9) left end is connect with servo motor (6) shaft coupling；Input shaft (9)
Right end is provided with first bevel gear (10)；Both sides are provided with support base (11) at the top of shell (7)；Run through in upper support seat (11)
Bearing is connected with the first output shaft (12)；In supported underneath seat (11) the second output shaft (13) is connected with through bearing；First is defeated
Shaft (12) and the second output shaft (13) one end are both provided with baffle (14)；First output shaft (12) other end is provided with third cone
Gear (15)；Second output shaft (13) other end is provided with the 4th bevel gear (16)；Bearing connection above bottom support base (11)
There is second bevel gear (17)；First bevel gear (10) and second bevel gear (17) engaged transmission；Second bevel gear (17) side is solid
Surely it is provided with revolving bed (18)；Revolving bed (18) other end is connect with the first output shaft (12) bearing；Revolving bed (18) both sides are equal
Shaft is connected with the 5th bevel gear (19).
2. a kind of speed measuring device of Physical Experiment according to claim 1, it is characterised in that：Two the 5th bevel gears (19) point
Not with third hand tap gear (15) and the 4th bevel gear (16) engaged transmission；The length of baffle (14) is equal to sensor (5) and first
The distance between output shaft (12).
3. a kind of speed measuring device of Physical Experiment according to claim 1, it is characterised in that：Support base (11) right side central
It is provided with guide groove (20)；Push rod (21) is slidably connected in guide groove (20)；It is welded with nut in the middle part of two guide grooves (20)
(22)。
4. a kind of speed measuring device of Physical Experiment according to claim 3, it is characterised in that：Push rod (21) right end is provided with
Sleeve (23)；It is connected with adjusting bolt (24) in sleeve (23)；Adjusting bolt (24) other end is threadedly coupled with nut (22)；It pushes away
Bar (21) other end is provided with brake ribbon (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732602.1U CN207852159U (en) | 2017-12-13 | 2017-12-13 | A kind of speed measuring device of Physical Experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732602.1U CN207852159U (en) | 2017-12-13 | 2017-12-13 | A kind of speed measuring device of Physical Experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852159U true CN207852159U (en) | 2018-09-11 |
Family
ID=63420438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721732602.1U Expired - Fee Related CN207852159U (en) | 2017-12-13 | 2017-12-13 | A kind of speed measuring device of Physical Experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289165A (en) * | 2020-11-09 | 2021-01-29 | 许昌学院 | Physical transmission demonstration device |
-
2017
- 2017-12-13 CN CN201721732602.1U patent/CN207852159U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289165A (en) * | 2020-11-09 | 2021-01-29 | 许昌学院 | Physical transmission demonstration device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20191213 |