CN109785705A - A kind of Experiment of Electronic Technology real training comprehensive experiment table - Google Patents
A kind of Experiment of Electronic Technology real training comprehensive experiment table Download PDFInfo
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- CN109785705A CN109785705A CN201910173757.3A CN201910173757A CN109785705A CN 109785705 A CN109785705 A CN 109785705A CN 201910173757 A CN201910173757 A CN 201910173757A CN 109785705 A CN109785705 A CN 109785705A
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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
- G09B9/00—Simulators for teaching or training purposes
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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
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
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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
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
- G09B23/186—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits for digital electronics; for computers, e.g. microprocessors
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- Microelectronics & Electronic Packaging (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of Experiment of Electronic Technology real training comprehensive experiment tables, belong to electronic technology Practical training equipment field, be inconvenient to be used for the welding of drill circuit plate to solve the problems, such as that Experiment of Electronic Technology platform in the prior art exists, including experimental bench and experimental plate, the bench top offers lifting groove, and welding circuit board auxiliary body is provided in the lifting groove；The welding circuit board auxiliary body includes lifting platform, circuit board clamp, connecting plate, reciprocal lead screw, locating rod and first motor, recessing groove is offered respectively on the two sides side wall of the lifting groove, the present invention is provided with welding circuit board auxiliary body to assist student to carry out the training of welding circuit board, it is provided with rotatable circuit board clamp, it can facilitate student after soldered elements by circuit board reversal, conveniently see whether the abnormal phenomenon for even tin, impermeable tin occur, it is more convenient, experiment module mechanism is also equipped with to complete some experiments about circuit.
Description
Technical field
The present invention relates to electronic technology Practical training equipment field, in particular to a kind of Experiment of Electronic Technology real training Comprehensive Experiment
Platform.
Background technique
Electron Technique Course is the important technical basis class of electric class and part non-electrolyte water solution, and electronic technology is a practice
The subject that property is strong, practicability is wide, to master electronic technology must carry out Practical Teaching Links, i.e., experiment, real training, etc. with theory
The closely related link of course；Electronic technology real training is to the effect that familiar with circuit element, checks and be familiar with various tools
Application method, on circuit boards soldered elements complete Analog Electronics Technique Experiment and Digital Electronics Experiment etc.；
Some electronic technology comprehensive experiment tables in the prior art mainly pass through setting and replacement analog electronics technique module
Analog Electronics Technique Experiment and Digital Electronics Experiment are completed with Digital Electronic Technique module, but student cannot be allowed to carry out
The training of welding circuit board, therefore also need to go for the practical traning platform dedicated for welding circuit board again, it is more troublesome.
Summary of the invention
The present invention provides a kind of Experiment of Electronic Technology real training comprehensive experiment table, can solve electronic technology in the prior art
Experimental real-training comprehensive experiment table there are problems that being inconvenient to be used for the welding of drill circuit plate.
A kind of Experiment of Electronic Technology real training comprehensive experiment table including experimental bench and is fixedly mounted on the bench top
Experimental plate, the middle position of the bench top offer lifting groove, and welding circuit board auxiliary is provided in the lifting groove
Mechanism；
The welding circuit board auxiliary body includes lifting platform, the circuit board being fixedly connected at the top of lifting platform folder
Have, be respectively fixedly connected with two connecting plates in the lifting platform two sides, reciprocal lead screw, locating rod and be fixedly mounted on the liter
The first motor in slot is dropped, is offered respectively on the two sides side wall of the lifting groove for the reciprocal lead screw and the positioning
The recessing groove that bar is stepped down, the reciprocal lead screw are rotatably arranged in one of them described described recessing groove, the locating rod
It is fixedly mounted in another described recessing groove, one of them described connecting plate is threaded on the reciprocal lead screw, another
A connecting plate is socketed in the locating rod；
The baffle for closing the lifting groove is additionally provided on the experimental bench, the two sides of the baffle bottom are fixed to be connected
It is connected to otic placode, is connected between two otic placodes by first rotating shaft, the both ends of the first rotating shaft can be rotatably set respectively
On the inner wall of the lifting groove two sides, first gear can be rotatably set in the lifting groove, in the first gear
The second shaft is fixedly connected at the heart, second shaft is sequentially connected by the first tape handler and the first rotating shaft,
The rack gear matched with the first gear is provided on the side of the lifting platform.
Preferably, the circuit board clamp includes jig main body, the second motor, rotating cylinder and is fixedly mounted on the rotating cylinder one
Two weld clips at end offer the first cavity and the second cavity in the jig main body, and the both ends of second cavity are all provided with
It is equipped with opening, a part of the rotating cylinder is rotatably arranged in the jig main body, and is provided in first cavity
Three shafts, the output shaft of second motor are connect with the third rotating shaft transmission, and the third shaft is close to the rotating cylinder
One end is fixedly connected with turntable, and the rotating cylinder opens up fluted close to one end of the turntable, and the turntable is located at the groove
It is interior, pawl is hinged on the turntable, is additionally provided with the spring for pushing up pawl outward on the turntable, the groove it is interior
It is circumferential and equably offer multiple ratchet slots matched with the pawl on wall, it is also set up immediately below the third shaft
There is the 4th shaft, second gear is fixedly installed in the 4th shaft, is fixedly installed in the third shaft and described
The third gear of two gears engagement connection, one end of the 4th shaft is rotatably arranged in first cavity, is another
End is protruded into second cavity and is fixedly connected with first bevel gear, and support plate is provided in second cavity, can be rotated
It is connecting shaft that ground is arranged in the support plate, driving shaft, the driving wheel being fixedly mounted at described driving shaft one end, driven
Axis is fixedly mounted on the driven wheel that the driven shaft one is brought out, the sanding belt being mounted on the driving wheel and the driven wheel
And U-board, the second bevel gear that connection is engaged with the first bevel gear, the driving shaft are fixedly installed in the connecting shaft
One end be plugged in the connecting shaft, the driving shaft and the connecting shaft rotate coaxially, the driving shaft and described driven
Axis is sequentially connected by the second tape handler, and the U-board is slidably disposed on along the direction of the connection shaft length
In second cavity.
Preferably, two weld clips are symmetrically mounted on the end face of the rotating cylinder, the spacing of two weld clips is
2/3rds of the rotating cylinder end face diameter length.
Preferably, being also fixedly connected with the fixed block for placing electric iron on the lifting platform, opened on the fixed block
Equipped with skewed slot.
Preferably, the baffle, which also passes through spring, is connected with protection board, the protection board is located at described baffle one end and opens up
Have in accommodating groove, link be fixedly connected at one end of the protection board, be fixedly installed at the top of the experimental plate with it is described
The hook of link cooperation.
Preferably, the U-board is fixedly connected with pull ring far from one end of the sanding belt.
Preferably, be provided with experiment module mechanism on the experimental plate, the experiment module mechanism include experimental bench circuit,
Power module, Analog Electronics Technique Experiment composite module, Digital Electronics Experiment composite module and oscillograph, the experiment
Platform circuit respectively with the power module, the Analog Electronics Technique Experiment composite module, the Digital Electronics Experiment group
Block connection is molded, the oscillograph is connect with the experimental bench circuit by probe wire, signal source and the experimental bench circuit
It is connected by probe wire.
Preferably, the power module includes the AC power source mould of power frequency sinusoidal voltage needed for providing experiment
Block is powered and as the DC power supplier that DC signal source uses, the DC power supplier includes four tunnel+5V for circuit
Power supply output, the output of+12V power supply, the output of -12V power supply, the output of -5V--+5V regulated power supply.
Preferably, the electronic circuits degisn composite module includes the transistor amplifier module of discrete component, crystal
Differential amplifier circuit module, the integrated operational amplifier circuit module, rectification filtering voltage stabilizing circuit module of pipe composition, the number electricity
Sub- technology experiment composite module includes logic level and pulse input module, logic level display lamp and digital display module, leads to
With chip carrier socket module, general bread board module, coding display module.
Compared with prior art, the beneficial effects of the present invention are: the present invention be provided with welding circuit board auxiliary body come it is auxiliary
Life of giving financial aid to students carries out the training of welding circuit board, is provided with rotatable circuit board clamp, can facilitate student after soldered elements
By circuit board reversal, the abnormal phenomenon for even tin, impermeable tin occur conveniently is seen whether, it is more convenient, it is also equipped with experiment module
Mechanism completes some experiments about circuit.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is the main view after welding circuit board auxiliary body of the invention rises；
Fig. 3 is partial enlarged view at the A of Fig. 2 of the invention；
Fig. 4 is partial enlarged view at the B of Fig. 2 of the invention；
Fig. 5 is cross-sectional view at the C-C of Fig. 2 of the invention；
Fig. 6 is that cross-sectional view at the C-C of rear Fig. 2 is fallen by welding circuit board auxiliary body of the invention；
Fig. 7 is partial enlarged view at the D of Fig. 5 of the invention；
Fig. 8 is cross-sectional view at the E-E of Fig. 5 of the invention；
Fig. 9 is partial enlarged view at the F of Fig. 5 of the invention；
Figure 10 is cross-sectional view at the G-G of Fig. 7 of the invention；
Figure 11 is cross-sectional view at the H-H of Fig. 7 of the invention；
Figure 12 is cross-sectional view at the I-I of Fig. 8 of the invention；
Figure 13 is cross-sectional view at the J-J of Figure 10 of the invention；
Figure 14 is that sanding belt of the invention is pushed out cross-sectional view at the J-J of rear Figure 10；
Figure 15 is the structural schematic diagram of baffle of the invention.
Description of symbols:
1- experimental bench, 2- experimental plate, 3- lifting groove, 4- baffle, 5- otic placode, 6- first rotating shaft, 7- first gear, 8- second
Shaft, the first tape handler of 9-, 11- lifting platform, 12- connecting plate, the reciprocal lead screw of 13-, 14- locating rod, 15- first motor,
16- recessing groove, 17- rack gear, 18- fixed block, 19- skewed slot, 21- jig main body, the second motor of 22-, 23- rotating cylinder, 24- weld clip,
The first cavity of 25-, the second cavity of 26-, 27- third shaft, 28- turntable, 29- groove, 30- second bevel gear, 31- pawl, 32-
Ratchet slot, the 4th shaft of 33-, 34- second gear, 35- third gear, 36- first bevel gear, 37- support plate, 38- connecting shaft,
39- driving shaft, 391- driving wheel, 40- driven shaft, 401- driven wheel, 41- sanding belt, 42-U shape plate, 43- the second V belt translation machine
Structure, 44- pull ring, 51- protection board, 52- accommodating groove, 53- link, 54- hook, 61- power module, 62- analog electronics technique are real
Test composite module, 63- Digital Electronics Experiment composite module, 64- oscillograph.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
As shown in Fig. 1 to Figure 15, a kind of Experiment of Electronic Technology real training comprehensive experiment table provided in an embodiment of the present invention, including
The middle position of experimental bench 1 and the experimental plate 2 for being fixedly mounted on 1 top of experimental bench, 1 top of experimental bench offers liter
Slot 3 is dropped, is provided with welding circuit board auxiliary body in the lifting groove 3；
The welding circuit board auxiliary body includes lifting platform 11, the circuit board for being fixedly connected on 11 top of lifting platform
Fixture is respectively fixedly connected with two connecting plates 12 in 11 two sides of lifting platform, reciprocal lead screw 13, locating rod 14 and fixed peace
First motor 15 in the lifting groove 3 is offered on the two sides side wall of the lifting groove 3 respectively for described reciprocal
The recessing groove 16 that lead screw 13 and the locating rod 14 are stepped down, the reciprocal lead screw 13 are rotatably arranged in one of institute
It states in recessing groove 16, the locating rod 14 is fixedly mounted in another described recessing groove 16, one of them described connecting plate 12
It is threaded on the reciprocal lead screw 13, another described connecting plate 12 is socketed in the locating rod 14；
The baffle 4 for closing the lifting groove 3 is additionally provided on the experimental bench 1, the two sides of 4 bottom of baffle are solid
Surely it is connected with otic placode 5, is connected between two otic placodes 5 by first rotating shaft 6, the both ends of the first rotating shaft 6 can turn respectively
It is arranged on the inner wall of 3 two sides of lifting groove dynamicly, has can be rotatably set first gear 7 in the lifting groove 3, described
The second shaft 8 is fixedly connected at the center of one gear 7, second shaft 8 passes through the first tape handler 9 and described first
Shaft 6 is sequentially connected, and is provided with the rack gear 17 matched with the first gear 7 on the side of the lifting platform 11；
The circuit board clamp includes jig main body 21, the second motor 22, rotating cylinder 23 and is fixedly mounted on the rotating cylinder 23
Two weld clips 24 at one end offer the first cavity 25 and the second cavity 26, second cavity in the jig main body 21
26 both ends are provided with opening, and a part of the rotating cylinder 23 is rotatably arranged in the jig main body 21, and described
Third shaft 27 is provided in one cavity 25, the output shaft of second motor 22 and the third shaft 27 are sequentially connected, institute
State third shaft 27 and be fixedly connected with turntable 28 close to one end of the rotating cylinder 23, the rotating cylinder 23 close to the turntable 28 one
End opens up fluted 29, and the turntable 28 is located in the groove 29, and pawl 31, the turntable 28 are hinged on the turntable 28
On be additionally provided with spring for pushing up pawl 31 outward, it is circumferential on the inner wall of the groove 29 and equably offer it is multiple with
The ratchet slot 32 that the pawl 31 matches, the underface of the third shaft 27 are additionally provided with the 4th shaft 33, and the described 4th
It is fixedly installed with second gear 34 in shaft 33, is fixedly installed in the third shaft 27 and 34 company of engagement of second gear
The third gear 35 connect, one end of the 4th shaft 33 is rotatably arranged in first cavity 25, the other end protrudes into
In second cavity 26 and it is fixedly connected with first bevel gear 36, support plate 37 is provided in second cavity 26, can be turned
The connecting shaft 38 that is arranged in the support plate 37 dynamicly, driving shaft 39, the master being fixedly mounted at described 39 one end of driving shaft
Driving wheel 391, driven shaft 40 are fixedly mounted on driven wheel 401 that the driven shaft 40 brings out, are mounted on the driving wheel 391
With the sanding belt 41 and U-board 42 on the driven wheel 401, it is fixedly installed with and the first bevel gear in the connecting shaft 38
The second bevel gear 30 of 36 engagement connections, one end of the driving shaft 39 are plugged in the connecting shaft 38, the driving shaft 39
It is rotated coaxially with the connecting shaft 38, the driving shaft 39 and the driven shaft 40 are connected by the transmission of the second tape handler 43
It connects, the U-board 42 is slidably disposed in second cavity 26 along the direction of 38 length of connecting shaft.
Connecting plate 12 be it is rectangular, reciprocal lead screw 13 rotation when, connecting plate 12 can only move up and down, to drive lifting platform
11 move up and down；
First tape handler 9 and the second tape handler 43 are made of two driving wheels and transmission belt, transmission belt peace
On two driving wheels, two driving wheels are separately mounted on the axis that two need to be driven；
Protection board 51 and baffle 4 play instrument and module on Protection plate 2；
When second motor 22 drives circuit board overturning fixed on weld clip 24 under a series of transmission, sanding belt 41 also exists
It is dynamic, but sanding belt 41 is in the second cavity 26, will not be had an impact to welding or other aspects；
The electric iron of soldered circuit board does not identify in figure, is used by external power supply.
Further, two weld clips 24 are symmetrically mounted on the end face of the rotating cylinder 23, two weld clips 24
Spacing be the 23 end face diameter length of rotating cylinder 2/3rds.
Further, the fixed block 18 for placing electric iron, the fixation are also fixedly connected on the lifting platform 11
Skewed slot 19 is offered on block 18.
Further, the baffle 4 is also connected with protection board 51 by spring, and the protection board 51 is located at the baffle 4
One end offers in accommodating groove 52, and link 53 is fixedly connected at one end of the protection board 51, and the top of the experimental plate 2 is solid
Dingan County is equipped with the hook 54 cooperated with the link 53.
Further, the U-board 42 is fixedly connected with pull ring 44 far from one end of the sanding belt 41.
Further, experiment module mechanism is provided on the experimental plate 2, the experiment module mechanism includes experimental bench electricity
Road, power module 61, Analog Electronics Technique Experiment composite module 62, Digital Electronics Experiment composite module 63 and oscillograph
64, the experimental bench circuit respectively with the power module 61, the Analog Electronics Technique Experiment composite module 62, the number
Word Experiment of Electronic Technology composite module connection 63, the oscillograph 64 is connect with the experimental bench circuit by probe wire, signal
Source is connect with the experimental bench circuit by probe wire；
The power module 61 includes the AC power supply module of power frequency sinusoidal voltage needed for providing experiment, is electricity
Road powers and as the DC power supplier that DC signal source uses, and the DC power supplier includes that four tunnel+5V power supplys are defeated
Out, the output of+12V power supply, the output of -12V power supply, the output of -5V--+5V regulated power supply；
The electronic circuits degisn composite module 62 includes the transistor amplifier module of discrete component, transistor composition
Differential amplifier circuit module, integrated operational amplifier circuit module, rectification filtering voltage stabilizing circuit module, the Digital Electronic Technique
Test combinations module 63 includes logic level and pulse input module, logic level display lamp and digital display module, general core
Piece jack module, general bread board module, coding display module.
Electronic circuits degisn composite module 62 of the invention is respectively the transistor amplifier module of discrete component, crystal
Differential amplifier circuit module, the integrated operational amplifier circuit module, rectification filtering voltage stabilizing circuit module of pipe composition, these modules can
Any plug is needed according to experiment, facilitates combination；Digital Electronics Experiment composite module 63 of the invention includes logic level
And pulse input module, logic level display lamp and digital display module, general-purpose chip jack module, general bread board module,
Coding display module etc., these modules can need any plug according to experiment, facilitate combination；
Oscillograph of the invention is used in experiment test the parameters such as signal waveform, amplitude, frequency, period, and disk is attached to experiment
On platform；Signal source of the invention is used in experiment provide the frequency amplitudes such as sine wave, the square wave of input adjustable signal, disk
It is attached to analog electronics technique module rear on experimental bench.
Working principle: when needing using welding circuit board auxiliary body, start first motor 15, first motor 15 drives
Reciprocal lead screw 13 rotates, so that lifting platform 11 rises, when lifting platform 11 rises, the rack gear 17 on lifting platform 11 drives the
The rotation of one gear 7, so that the second shaft 8 rotates, the second shaft 8 is synchronous with first rotating shaft 6 by the first tape handler 9
Rotation closes first motor 15 when lifting platform 11 rises to top so that baffle 4 is opened, by protection board 51 from baffle 4
Link 53 in accommodating groove on 52 pull-out protection boards 51 is hung on the hook 54 of experimental plate 2, and circuit board is passed through two weld clips 24
It fixes, is then welded, when needing reverse circuit plate observation circuit board back side welding situation, start the second motor 22,
Second motor 22 drives third shaft 27 to rotate, the pawl 31 on turntable 28 be stuck in the ratchet slot 32 on 29 side wall of groove Nei thus
It drives rotating cylinder 23 to rotate, that is, realizes the overturning of circuit board, electric soldering bit is under the non-standard operation of long-time use and student
It is easy to produce oxide layer, influences the effect of tin, starts the overturning of the second motor 22 at this time, the second motor 22 drives third shaft 27
It rotates, the ratchet on turntable 28 is not stuck in ratchet slot 32, i.e., third shaft 27 is rotated without turn cylinder 23, but passes through second
The engagement of gear 34 and third gear 35 drives the rotation of the 4th shaft 33, and the 4th shaft 33 is in first bevel gear 36 and the second cone tooth
Connecting shaft 38 is driven to rotate under the transmission of wheel 30, driving shaft 39 is rotated coaxially with connecting shaft 38, and driving shaft 39 is further through the second band
Transmission mechanism 43 drives driven shaft 40 to rotate, so that sanding belt 41 be allowed to move up, U-board 42 pushed away inward by pull ring 44 so that
Driving wheel 391, driven wheel 401, sanding belt 41 etc. are pushed out outside jig main body 21, are then tilted a certain angle electric soldering bit and are put
It polishes off and oxide layer and then is welded again above, the second motor 22 of closing after polish, by pull ring 44 by sanding belt 41
Etc. retracting initial position, after having used welding circuit board auxiliary body, protection board 51 is withdrawn in accommodating groove 52, the first electricity of starting
Machine 15, reciprocal lead screw 13 are incited somebody to action down with lifting platform 11, the rack gear 17 when lifting platform 11 will be preferably minimized place, on lifting platform 11
First gear 7 is driven to overturn, baffle 4 again closes lifting groove 3, by Analog Electronics Technique Experiment module 62 or digital and electronic
The multiple module of experimental technique module 63 is combined to complete corresponding Experiment of Electronic Technology.
Disclosed above is only several specific embodiments of the invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (9)
1. a kind of Experiment of Electronic Technology real training comprehensive experiment table, which is characterized in that including experimental bench and be fixedly mounted on the reality
The experimental plate at the top of platform is tested, the middle position of the bench top offers lifting groove, is provided with circuit in the lifting groove
Plate welds auxiliary body；
The welding circuit board auxiliary body includes lifting platform, the circuit board clamp being fixedly connected at the top of the lifting platform, divides
It is not fixedly connected on two connecting plates of the lifting platform two sides, reciprocal lead screw, locating rod and is fixedly mounted on the lifting groove
Interior first motor is offered respectively for allowing to the reciprocal lead screw and the locating rod on the two sides side wall of the lifting groove
The recessing groove of position, the reciprocal lead screw are rotatably arranged in one of them described described recessing groove, and the locating rod is fixed
It is mounted in another described recessing groove, one of them described connecting plate is threaded on the reciprocal lead screw, another institute
Connecting plate is stated to be socketed in the locating rod；
The baffle for closing the lifting groove is additionally provided on the experimental bench, the two sides of the baffle bottom are fixedly connected with
Otic placode is connected by first rotating shaft between two otic placodes, and the both ends of the first rotating shaft are rotatably arranged in institute respectively
On the inner wall for stating lifting groove two sides, first gear can be rotatably set in the lifting groove, at the center of the first gear
It is fixedly connected with the second shaft, second shaft is sequentially connected by the first tape handler and the first rotating shaft, described
The rack gear matched with the first gear is provided on the side of lifting platform.
2. a kind of Experiment of Electronic Technology real training comprehensive experiment table as described in claim 1, which is characterized in that the circuit board folder
Tool includes jig main body, the second motor, rotating cylinder and two weld clips being fixedly mounted at described rotating cylinder one end, the jig main body
The first cavity and the second cavity are inside offered, the both ends of second cavity are provided with opening, and a part of the rotating cylinder can
It is rotatably arranged in the jig main body, third shaft, the output shaft of second motor is provided in first cavity
It is connect with the third rotating shaft transmission, the third shaft is fixedly connected with turntable, the rotating cylinder close to one end of the rotating cylinder
One end close to the turntable opens up fluted, and the turntable is located in the groove, and pawl is hinged on the turntable, described
Be additionally provided with the spring for pushing up pawl outward on turntable, it is circumferential on the inner wall of the groove and equably offer it is multiple with
The ratchet slot that the pawl matches, is additionally provided with the 4th shaft immediately below the third shaft, solid in the 4th shaft
Dingan County is equipped with second gear, and the third gear that connection is engaged with the second gear, institute are fixedly installed in the third shaft
The one end for stating the 4th shaft is rotatably arranged in first cavity, the other end protrudes into second cavity and fixed is connected
Be connected to first bevel gear, be provided in second cavity support plate, the connecting shaft being rotatably arranged in the support plate,
Driving shaft, driven shaft, is fixedly mounted on what the driven shaft one was brought out at the driving wheel being fixedly mounted at described driving shaft one end
Driven wheel is mounted on the driving wheel and sanding belt and U-board on the driven wheel, be fixedly installed in the connecting shaft with
The second bevel gear of the first bevel gear engagement connection, one end of the driving shaft are plugged in the connecting shaft, the master
Moving axis and the connecting shaft rotate coaxially, and the driving shaft and the driven shaft are sequentially connected by the second tape handler, institute
U-board is stated to be slidably disposed in second cavity along the direction of the connection shaft length.
3. a kind of Experiment of Electronic Technology real training comprehensive experiment table as claimed in claim 2, which is characterized in that two weld clips
Be symmetrically mounted on the end face of the rotating cylinder, the spacing of two weld clips be the rotating cylinder end face diameter length three/
Two.
4. a kind of Experiment of Electronic Technology real training comprehensive experiment table as described in claim 1, which is characterized in that on the lifting platform
It is also fixedly connected with the fixed block for placing electric iron, offers skewed slot on the fixed block.
5. a kind of Experiment of Electronic Technology real training comprehensive experiment table as described in claim 1, which is characterized in that the baffle is also logical
It crosses spring and is connected with protection board, the protection board is located at described baffle one end and offers in accommodating groove, one end of the protection board
Place is fixedly connected with link, and the hook with link cooperation is fixedly installed at the top of the experimental plate.
6. a kind of Experiment of Electronic Technology real training comprehensive experiment table as described in claim 1, which is characterized in that the U-board is remote
One end from the sanding belt is fixedly connected with pull ring.
7. a kind of Experiment of Electronic Technology real training comprehensive experiment table as described in claim 1, which is characterized in that on the experimental plate
It is provided with experiment module mechanism, the experiment module mechanism includes experimental bench circuit, power module, Analog Electronics Technique Experiment group
Mold block, Digital Electronics Experiment composite module and oscillograph, the experimental bench circuit respectively with the power module, institute
State Analog Electronics Technique Experiment composite module, the Digital Electronics Experiment composite module connection, the oscillograph with it is described
Experimental bench circuit is connected by probe wire, and signal source is connect with the experimental bench circuit by probe wire.
8. a kind of Experiment of Electronic Technology real training comprehensive experiment table as claimed in claim 7, which is characterized in that the power supply mould
Block includes the AC power supply module of power frequency sinusoidal voltage needed for providing experiment, for circuit power supply and as DC signal source
The DC power supplier used, the DC power supplier include the output of four tunnel+5V power supplys, the output of+12V power supply, -12V electricity
Source output, the output of -5V--+5V regulated power supply.
9. a kind of Experiment of Electronic Technology real training comprehensive experiment table as claimed in claim 8, which is characterized in that the simulation electronic
Test combinations module includes the transistor amplifier module of discrete component, the differential amplifier circuit module of transistor composition, collection
At operational amplification circuit module, rectification filtering voltage stabilizing circuit module, the Digital Electronics Experiment composite module includes logic
Level and pulse input module, logic level display lamp and digital display module, general-purpose chip jack module, general bread board mould
Block, coding display module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173757.3A CN109785705B (en) | 2019-03-02 | 2019-03-02 | Real comprehensive experiment platform of instructing of electron technology experiment |
| CN202010763366.XA CN111862718B (en) | 2019-03-02 | 2019-03-02 | Electronic technology experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173757.3A CN109785705B (en) | 2019-03-02 | 2019-03-02 | Real comprehensive experiment platform of instructing of electron technology experiment |
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| CN113270020A (en) * | 2021-05-20 | 2021-08-17 | 新乡学院 | Be applied to simulation model for teaching of preschool education specialty |
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| CN112908103A (en) * | 2021-04-21 | 2021-06-04 | 日照职业技术学院 | Computer teaching device for classroom |
| CN113426503B (en) * | 2021-05-27 | 2022-12-06 | 呼伦贝尔学院 | Electronic information engineering is test bench for specialty |
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| CN109785705B (en) | 2020-10-23 |
| CN111862718B (en) | 2021-11-23 |
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