CN109397938A - A kind of synchronous distance education - Google Patents
A kind of synchronous distance education Download PDFInfo
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- CN109397938A CN109397938A CN201811319125.5A CN201811319125A CN109397938A CN 109397938 A CN109397938 A CN 109397938A CN 201811319125 A CN201811319125 A CN 201811319125A CN 109397938 A CN109397938 A CN 109397938A
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- axial
- blackboard
- clipboard
- sleeve
- sliding
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 241001633942 Dais Species 0.000 description 3
- 241000252254 Catostomidae Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- 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
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a kind of synchronous distance educations, including blackboard for education and mounting bracket；Blackboard for education includes blackboard, the long axis direction both ends of blackboard are respectively provided with a box body, installation chamber is offered on the opposite side wall of two box bodys, installation cavity indoor top and bottom are equipped with sliding rail, chamber is installed for accommodating auxiliary clipboard, assists offering on the top and bottom end face of clipboard and slides the sliding slot being adapted to the sliding rail；Auxiliary clipboard is made of the clear sheet structure that can be write；Mounting bracket includes pedestal and support column arrangement, support column arrangement axial direction top is equipped with connecting column, connecting column is equipped with mounting hole, disc type electric machine is equipped in mounting hole, the output end of disc type electric machine and the axial bottom end of rotation axis connect, the axial top of rotation axis is stretched out mounting hole and is connect with positioning plate, and photographic device is detachably fixed on positioning plate.The present invention has the advantages that flexible operation, facilitates teaching, is conducive to enhancing work-place study experience sense.
Description
Technical field
The present invention relates to remote teaching technical fields, and in particular to a kind of synchronous distance education.
Background technique
Long-distance education, it is adult that in some files that the Ministry of Education has put into effect, also referred to as modern distance education, which is Web education,
Educate one of educational background.Refer to that it breaches the boundary line of space-time using the teaching pattern of the communications medias such as TV and internet,
It is different from traditional teaching pattern stayed in school.Using the student of this teaching pattern, usually amateurish advanced learner.Due to not
It needs to locality to attend class, therefore can attend class whenever and wherever possible.Student can also be special through television broadcasting, internet, guidance
Line, Ke Yan society, a variety of different pipeline mutual assistances study such as personally instruct (correspondence course).It is that modern information technologies are new applied to generating after education
Concept, i.e., the education carried out with network technology and environment.Candidate for student enrolment is not limited by age and previous educational background, has been walked to be vast
The masses for entering society provide the chance of educational background promotion.
Existing education and study website requires emphasis the independence of learner, existing long-distance education instructional terminal there are it is following not
Foot, keeps the work-place study experience sense of student synchronization remote teaching weaker:
(1) device that a dimension is usually only arranged for teaching end carries out audiovisual/visual information acquisition operation, if teaching teacher
It walks about on dais, write writing on the blackboard towards different direction or in the different parts of blackboard, distance learning personnel can not be allowed from more
A angle goes investment to learn；
(2) teaching teacher is after blackboard submits a written statement to a higher authority and finishes writing writing on the blackboard, when repeating to do multiple mark to the same place, such as basis
Teaching process and student synchronization feedback need to write mark, erasing mark, writing mark and repeat, flexible operation degree
It is poor, inconvenient.
Summary of the invention
The present invention provides a kind of synchronous distance educations to solve the above problems.
The present invention is achieved through the following technical solutions:
A kind of synchronous distance education, including blackboard for education, mounting bracket and photographic device；
The blackboard for education includes the blackboard of cuboid-type structure, and the long axis direction both ends of the blackboard are respectively provided with a box
Body, two box bodys are symmetrical arranged relative to blackboard；Installation chamber, the installation cavity are offered on the opposite side wall of two box bodys
Indoor top and bottom are equipped with sliding rail, and the extending direction of sliding rail is parallel with the long axis direction of blackboard；The installation chamber is used
Clipboard is assisted in accommodating, is offered on the top and bottom end face of the auxiliary clipboard and slides the cunning being adapted to the sliding rail
Slot；The auxiliary clipboard is made of the clear sheet structure that can be write；
The mounting bracket includes pedestal and support column arrangement, and the axial bottom end of the support column arrangement is fixed on pedestal
Upper, axial top is equipped with connecting column, and connecting column is equipped with mounting hole, and disc type electric machine, the disc type electricity are equipped in the mounting hole
The output end of machine and the axial bottom end of rotation axis connect, and the axial top of rotation axis is stretched out mounting hole and connect with positioning plate, rotate
Axis and mounting hole coaxial inner conductor, which are arranged and pass through bearing between rotation axis outer wall and inner wall of the hole installing, to be rotatablely connected；The positioning
Photographic device is detachably fixed on plate.
The present invention includes three blackboard for education, mounting bracket and photographic device components, and wherein blackboard for education main body includes black
Plate and auxiliary two parts of clipboard, blackboard are used as the main component of teaching teacher's writing on the blackboard, assist clipboard for making an amendment, is special
The revision writing on the blackboard component such as different remarks, without need to only needed in auxiliary clipboard insertion installation cavity room when doing revision writing on the blackboard
When revising writing on the blackboard operation, pull-out auxiliary need to be only adapted to the sliding of sliding rail by sliding slot and writes writing on the blackboard, since auxiliary writes writing on the blackboard
Transparency glass plate or plastic plate are made, therefore are labeled in corresponding position；Then installation is set before blackboard for education
The bottom end of bracket, support column arrangement can be detachably secured on ground by mechanisms such as bolt and suckers, since photographic device is set
It sets on the positioning plate at the top of support column arrangement, connecting column is set at the top of support column arrangement, pass through disc type electric machine band turn
Moving axis rotation, so that rotation axis drives the photographic device rotational motion in end location-plate；Photographic device can directly adopt existing
Video camera.
Long-distance education phonotape and videotape acquisition terminal provided by the invention can follow teaching teacher and walk about on dais, towards different
Writing on the blackboard is write in the different parts of blackboard in orientation, and distance learning personnel is allowed to go investment to learn from multiple angles；In addition, passing through
The auxiliary clipboard of drawer type is set, and convenient for teaching, teacher does revision writing on the blackboard at any time, and flexible operation facilitates teaching；Benefit of the invention
In enhancing work-place study experience sense.
Further, at least two installation chambers are equipped on the side wall of each box body.
By opening up multiple installation chambers on each box side wall, it is easily installed multiple mutually independent auxiliary books in this way
Write plate.
Further, the auxiliary clipboard protrudes into the sliding slot on the indoor one end of installation cavity equipped with limited block；Auxiliary
Clipboard is equipped with limit plate far from one end end face of installation chamber, and the outer diameter of the limit plate is greater than installation chamber open end mouthful
Diameter.
Setting limited block mainly prevents auxiliary clipboard from being installed chamber by the excessive disengaging of pulling force, and auxiliary clipboard is caused to fall
Damage；Setting limit plate mainly prevents auxiliary clipboard to be excessively embedded installation chamber, is unfavorable for clipboard being assisted from installation cavity
Room pulls out；And after it will assist clipboard insertion installation chamber, limit plate is just covered at the port of installation chamber, prevents ash
The impurity such as dirt enter in installation cavity room.
Further, the plate face of the limit plate towards auxiliary clipboard side is equipped with rubber strip.
By the way that rubber strip is arranged on limit plate, after it will assist clipboard insertion installation chamber, rubber strip is located at limit
Between plate and the side wall of box body, buffer function is played, prevents that the active force of clipboard push-in installation chamber will be assisted excessive, causes
Clipboard is assisted to hit damage.
Further, the support column arrangement includes abutment sleeve, sliding sleeve and screw rod；The axial direction of the abutment sleeve
Bottom end is fixed on walking sliding block, axial top closure, and several perforation are offered on the top closure end face of abutment sleeve；
Bottom is equipped with servo motor in abutment sleeve, and the output end of the servo motor drives screw rod rotation, screw rod axle center
Line is overlapped with the axial line of abutment sleeve, and the free end of screw rod is fixed on the inner face of abutment sleeve closed end by bearing；
Screw rod is equipped with the pair of nut being adapted to screw rod；Axial one end of sliding sleeve is placed in abutment sleeve, and is slided
The inner wall of sleeve is fixed on the outer wall of pair of nut, the outer wall of sliding sleeve and abutment sleeve inner wall sliding contact；Sliding sleeve
Several notches are offered on the upper side wall far from pair of nut end, the extending direction of notch and the axis direction of sliding sleeve are parallel,
Vertical bar between two neighboring notch is connect behind perforation stretching abutment sleeve top with connecting column.
Screw rod rotational motion is driven by servo motor, screw rod converts rotational motion in the linear motion of pair of nut, nut
Pair is moved up and down along screw rod axis, to drive sliding sleeve to move up and down along abutment sleeve inner wall, to drive sliding sleeve
The connecting column and photographic device at top move up and down；The end plate that bolt is detachably connected can be used in abutment sleeve bottom closed end,
To facilitate the dismounting of sliding sleeve.
Further, the free end of the rotation axis is connect by swivel with positioning plate；The swivel includes U
Type connecting plate, adjustment axis and connecting rod；Through-hole is symmetrically offered on the both side plate of the U-shaped connecting plate, the adjustment axis is successively
Through two through-holes, is driven and rotated by servo motor positioned at the axial one end in the both ends of U-shaped connecting plate outside, adjustment axis, it is axial
The other end is equipped with baffle；Axial one end of the connecting rod be fixed in the adjustment axis between two side plates of U-shaped connecting plate and with
The axial other end of adjustment axis rotational motion, connecting rod is connect with positioning plate；The axial line and support column arrangement of the adjustment axis
Vertical axis direction it is vertical, the axis direction of connecting rod is overlapped with the vertical axis direction of support column arrangement.
Adjustment axis rotation is driven by servo motor, adjustment axis drive connecting rod, positioning plate and photographic device are with adjustment axis
Center rotating realizes the adjustment at the photographic device shooting elevation angle.
The present invention has the advantage that and the utility model has the advantages that
The present invention includes three blackboard for education, mounting bracket and photographic device components, and wherein blackboard for education main body includes black
Plate and auxiliary two parts of clipboard, blackboard are used as the main component of teaching teacher's writing on the blackboard, assist clipboard for making an amendment, is special
The revision writing on the blackboard component such as different remarks, without need to only needed in auxiliary clipboard insertion installation cavity room when doing revision writing on the blackboard
When revising writing on the blackboard operation, pull-out auxiliary need to be only adapted to the sliding of sliding rail by sliding slot and writes writing on the blackboard, since auxiliary writes writing on the blackboard
Transparency glass plate or plastic plate are made, therefore are labeled in corresponding position；Then installation is set before blackboard for education
The bottom end of bracket, support column arrangement can be detachably secured on ground by mechanisms such as bolt and suckers, since photographic device is set
It sets on the positioning plate at the top of support column arrangement, connecting column is set at the top of support column arrangement, pass through disc type electric machine band turn
Moving axis rotation, so that rotation axis drives the photographic device rotational motion in end location-plate；Photographic device can directly adopt existing
Video camera.
Long-distance education phonotape and videotape acquisition terminal provided by the invention can follow teaching teacher and walk about on dais, towards different
Writing on the blackboard is write in the different parts of blackboard in orientation, and distance learning personnel is allowed to go investment to learn from multiple angles；In addition, passing through
The auxiliary clipboard of drawer type is set, and convenient for teaching, teacher does revision writing on the blackboard at any time, and flexible operation facilitates teaching；Benefit of the invention
In enhancing work-place study experience sense.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is blackboard for education schematic perspective view of the invention；
Fig. 2 is auxiliary writing board structure schematic diagram of the invention；
Fig. 3 is mounting bracket axial cross section structural schematic diagram of the invention；
Fig. 4 is sliding sleeve schematic perspective view of the invention.
Label and corresponding parts title in attached drawing: 1- blackboard for education, 2- mounting bracket, 3- photographic device, 11- are black
Plate, 12- box body, 13- install chamber, 14- sliding rail, and 15- assists clipboard, 16- sliding slot, 17- limited block, 18- limit plate, 19-
Rubber strip, 21- pedestal, 22- mounting hole, 23- disc type electric machine, 24- rotation axis, 25- positioning plate, 26- abutment sleeve, 27- sliding
Sleeve, 28- screw rod, 29- pair of nut, 210- notch, 211- vertical bar, 212- connecting column, 213-U type connecting plate, 214- adjustment axis,
215- connecting rod, 216- baffle.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
Present embodiments provide a kind of synchronous distance education, including blackboard for education 1, mounting bracket 2 and photographic device
3；The blackboard for education 1 includes the blackboard 11 of cuboid-type structure, and the long axis direction both ends of the blackboard 11 are respectively provided with a box
Body 12, two box bodys 12 are symmetrical arranged relative to blackboard 11；Installation chamber 13 is offered on the opposite side wall of two box bodys 12,
13 inner top of installation chamber and bottom are equipped with sliding rail 14, and the long axis direction of the extending direction of sliding rail 14 and blackboard 11 is flat
Row；The installation chamber 13 opens up on the top and bottom end face of the auxiliary clipboard 15 for accommodating auxiliary clipboard 15
Have and slides the sliding slot 16 being adapted to the sliding rail 14；The auxiliary clipboard 15 is made of the clear sheet structure that can be write.
The mounting bracket 2 includes pedestal 21 and support column arrangement, and the axial bottom end of the support column arrangement is fixed on bottom
On seat 21, axial top be equipped with connecting column 212, connecting column 212 is equipped with mounting hole 22, disc type electricity is equipped in the mounting hole 22
Machine 23, the output end of the disc type electric machine 23 are connect with the axial bottom end of rotation axis 24, and peace is stretched out on the axial top of rotation axis 24
Dress hole 22 is connect with positioning plate 25, rotation axis 24 and the setting of 22 coaxial inner conductor of mounting hole and 24 outer wall of rotation axis and mounting hole 22
It is rotatablely connected between inner wall by bearing；Photographic device 3 is detachably fixed on the positioning plate 25.
Embodiment 2
Be further improved on the basis of embodiment 1, be all provided on the side wall of each box body 12 there are two install chamber 13.Institute
The sliding slot 16 stated on one end that auxiliary clipboard 15 protrudes into installation chamber 13 is equipped with limited block 17；Assist clipboard 15 separate
One end end face for installing chamber 13 is equipped with limit plate 18, and the outer diameter of the limit plate 18 is greater than the installation opening of chamber 13 port
Diameter.The plate face of the limit plate 18 towards auxiliary 15 side of clipboard is equipped with rubber strip 19.
Embodiment 3
It is further improved on the basis of embodiment 2, the support column arrangement includes abutment sleeve 26,27 and of sliding sleeve
Screw rod 28；The axial bottom end of the abutment sleeve 26 is fixed on walking sliding block 21, axial top closure, and abutment sleeve 26
Several perforation are offered on top closure end face；Bottom is equipped with servo motor, the output of the servo motor in abutment sleeve 26
End drives screw rod 28 to rotate, and 28 axial line of screw rod is overlapped with the axial line of abutment sleeve 26, and the free end of screw rod 28 passes through bearing
It is fixed on 26 closed end inner face of abutment sleeve；Screw rod 28 is equipped with the pair of nut 29 being adapted to screw rod 28；Sliding sleeve 27
Axial one end be placed in abutment sleeve 26, and the inner wall of sliding sleeve 27 is fixed on the outer wall of pair of nut 29, sliding sleeve
27 outer wall and 26 inner wall sliding contact of abutment sleeve；It is offered on side wall on sliding sleeve 27 far from 29 end of pair of nut several
The extending direction of notch 210, notch 210 is parallel with the axis direction of sliding sleeve 27, the vertical bar between two neighboring notch 210
211 connect behind perforation stretching 26 top of abutment sleeve with connecting column 212.
The free end of the rotation axis 24 is connect by swivel with positioning plate 25；The swivel includes U-shaped company
Fishplate bar 213, adjustment axis 214 and connecting rod 215；Through-hole, the tune are symmetrically offered on the both side plate of the U-shaped connecting plate 213
Nodal axisn 24 sequentially passes through two through-holes, and axial one end positioned at the both ends of U-shaped connecting plate 213 outside, adjustment axis 24 is electric by servo
Machine driving rotation, the axial other end are equipped with baffle 216；Axial one end of the connecting rod 215 is fixed on 213 liang of U-shaped connecting plate
In adjustment axis 24 between a side plate and with 24 rotational motion of adjustment axis, the axial other end and positioning plate 25 of connecting rod 215 connect
It connects；The axial line of the adjustment axis 24 and the vertical axis direction of support column arrangement are vertical, the axis direction and branch of connecting rod 215
The vertical axis direction of hinge structure is overlapped.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of synchronous distance education, which is characterized in that including blackboard for education (1), mounting bracket (2) and photographic device
(3)；
The blackboard for education (1) includes the blackboard (11) of cuboid-type structure, and the long axis direction both ends of the blackboard (11) are respectively set
There is a box body (12), two box bodys (12) are symmetrical arranged relative to blackboard (11)；On the opposite side wall of two box bodys (12)
Offer installation chamber (13), installation chamber (13) inner top and bottom be equipped with sliding rail (14), and sliding rail (14) prolong
It is parallel with the long axis direction of blackboard (11) to stretch direction；The installation chamber (13) is described auxiliary for accommodating auxiliary clipboard (15)
It helps to offer on the top and bottom end face of clipboard (15) and slides the sliding slot (16) being adapted to the sliding rail (14)；The auxiliary
Clipboard (15) is made of the clear sheet structure that can be write；
The mounting bracket (2) includes pedestal (21) and support column arrangement, and the axial bottom end of the support column arrangement is fixed on bottom
On seat (21), axial top be equipped with connecting column (212), connecting column (212) is equipped with mounting hole (22), in the mounting hole (22)
Equipped with disc type electric machine (23), the output end of the disc type electric machine (23) is connect with the axial bottom end of rotation axis (24), rotation axis
(24) axial top is stretched out mounting hole (22) and is connect with positioning plate (25), and rotation axis (24) is set with mounting hole (22) coaxial inner conductor
It sets and is rotatablely connected between rotation axis (24) outer wall and mounting hole (22) inner wall by bearing；It is removable on the positioning plate (25)
Unload fixed photographic device (3).
2. a kind of synchronous distance education according to claim 1, which is characterized in that on the side wall of each box body (12)
It is equipped at least two installation chambers (13).
3. a kind of synchronous distance education according to claim 1, which is characterized in that the auxiliary clipboard (15) is stretched
Enter to install the sliding slot (16) on one end in chamber (13) and is equipped with limited block (17)；Assist clipboard (15) far from installation chamber
(13) one end end face is equipped with limit plate (18), and the outer diameter of the limit plate (18) is greater than installation chamber (13) opening port
Diameter.
4. a kind of synchronous distance education according to claim 3, which is characterized in that the limit plate (18) is towards auxiliary
The plate face of clipboard (15) side is helped to be equipped with rubber strip (19).
5. a kind of synchronous distance education according to claim 1, which is characterized in that the support column arrangement includes fixed
Position sleeve (26), sliding sleeve (27) and screw rod (28)；The axial bottom end of the abutment sleeve (26) is fixed on walking sliding block
(21) on, axial top closure, and offer several perforation on the top closure end face of abutment sleeve (26)；
Abutment sleeve (26) interior bottom is equipped with servo motor, and the output end of the servo motor drives screw rod (28) rotation, screw rod
(28) axial line is overlapped with the axial line of abutment sleeve (26), and the free end of screw rod (28) is fixed on abutment sleeve by bearing
(26) on the inner face of closed end；
Screw rod (28) is equipped with the pair of nut (29) being adapted to screw rod (28)；Axial one end of sliding sleeve (27) is placed in positioning sleeve
In cylinder (26), and the inner wall of sliding sleeve (27) is fixed on the outer wall of pair of nut (29), the outer wall of sliding sleeve (27) and fixed
Position sleeve (26) inner wall sliding contact；Several notches are offered on side wall far from pair of nut (29) end on sliding sleeve (27)
(210), the extending direction of notch (210) is parallel with the axis direction of sliding sleeve (27), between two neighboring notch (210)
Vertical bar (211) is connect behind perforation stretching abutment sleeve (26) top with connecting column (212).
6. a kind of synchronous distance education according to claim 1, which is characterized in that the freedom of the rotation axis (24)
End is connect by swivel with positioning plate (25)；The swivel includes U-shaped connecting plate (213), adjustment axis (214) and connects
Extension bar (215)；Through-hole is symmetrically offered on the both side plate of the U-shaped connecting plate (213), the adjustment axis (24) sequentially passes through two
A through-hole is located on the outside of the both ends of U-shaped connecting plate (213), axial one end of adjustment axis (24) is driven by servo motor and rotated, axis
Baffle (216) are equipped with to the other end；Axial one end of the connecting rod (215) be fixed on (213) two side plates of U-shaped connecting plate it
Between adjustment axis (24) on and with adjustment axis (24) rotational motion, the axial other end of connecting rod (215) and positioning plate (25) are even
It connects；The axial line of the adjustment axis (24) is vertical with the vertical axis direction of support column arrangement, the axis direction of connecting rod (215)
It is overlapped with the vertical axis direction of support column arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319125.5A CN109397938A (en) | 2018-11-07 | 2018-11-07 | A kind of synchronous distance education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319125.5A CN109397938A (en) | 2018-11-07 | 2018-11-07 | A kind of synchronous distance education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109397938A true CN109397938A (en) | 2019-03-01 |
Family
ID=65472208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811319125.5A Withdrawn CN109397938A (en) | 2018-11-07 | 2018-11-07 | A kind of synchronous distance education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109397938A (en) |
-
2018
- 2018-11-07 CN CN201811319125.5A patent/CN109397938A/en not_active Withdrawn
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20190301 |