CN111702728A - Multifunctional disassembling and assembling table for mechanical teaching and using method thereof - Google Patents
Multifunctional disassembling and assembling table for mechanical teaching and using method thereof Download PDFInfo
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- CN111702728A CN111702728A CN202010686543.9A CN202010686543A CN111702728A CN 111702728 A CN111702728 A CN 111702728A CN 202010686543 A CN202010686543 A CN 202010686543A CN 111702728 A CN111702728 A CN 111702728A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 33
- 230000009471 action Effects 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000009347 mechanical transmission Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000004630 mental health Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/12—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with storage compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
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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
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- Business, Economics & Management (AREA)
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- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a multifunctional assembly and disassembly table for mechanical teaching and a using method thereof. This multifunctional disassembly and assembly platform for mechanical teaching and application method thereof has solved a disassembly and assembly platform and can only realize the show of a mechanical structure, and the show is placed in the very big place of multimachine exhibition teaching time needs, and the use limitation is great, and if the student is when more, because the place restriction, the problem of study is hardly watched to the later student, reduces teacher's teaching intensity simultaneously.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to a multifunctional assembly and disassembly table for mechanical teaching and a using method thereof.
Background
At present, in mechanical teaching, in order to combine theory and practice, students are generally required to watch real objects after learning theoretical knowledge for a period of time, teachers need to specifically demonstrate actions and structures of mechanical parts, and even students manually disassemble and assemble mechanical parts, so that the students have more intuitive understanding, and a good foundation is laid for later learning and work. Present teaching dismouting platform generally is independent design, a mechanical structure's show can only be realized to dismouting platform, the show is placed in the very big place of needs during the teaching of multicommon mechanism exhibition, it is great to use the limitation, and if the student is more time, because the place restriction, study is hardly watched to hou mian student, this problem of solution that dismouting teaching can be fine is watched to the alternate, but the dismouting teaching is watched to the alternate needs the teacher to carry out repetitious teaching explanation many times, teacher's intensity of labour has been increased undoubtedly, can increase teacher's tired sense simultaneously, be unfavorable for the teacher to teach physical and mental health for a long time.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a multifunctional dismounting table for mechanical teaching and a using method thereof, which solve the problems that the dismounting table can only realize the display of one mechanical structure, a large place is needed for placing and displaying during the teaching of multi-mechanism display, the use limitation is large, and if more students exist, the later students are difficult to watch and study due to the limitation of the place, and the teaching intensity of teachers is reduced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a multifunctional disassembly and assembly table for mechanical teaching comprises a frame, wherein a lifting plate is arranged on the back side of the inside of the frame, rotating frames are fixedly connected to two sides of the bottom of the lifting plate, the center of each rotating frame is rotatably connected with a connecting rod, a transmission device is arranged at the bottom of the connecting rod, a driving rod is fixedly connected to the outer end of the top central shaft of the connecting rod, a transmission rod is arranged on the outer side of the driving rod, the top of the transmission rod is rotatably connected with a side protection plate, the top of the lifting plate is fixedly connected with a back protection plate, the inner side of the side protection plate is rotatably connected with the back protection plate through a hinge, display screens are arranged on the inner sides of the side protection plate and the back protection plate, a teaching display frame is rotatably connected to the centers of two sides of the inner wall of the frame, a driven wheel is arranged on, the surface of action wheel is passed through the hold-in range and is connected with the surface transmission from the driving wheel, the inner wall front side of frame is provided with the guide plate, the top front end is provided with soft pole, the top fixedly connected with camera of soft pole.
Preferably, transmission includes the installing frame, the inside of installing frame is rotated and is connected with the lead screw, the vice drive of center fixedly connected with of lead screw, the equal threaded connection in both sides of lead screw has the movable block, the top of movable block is rotated with the bottom of connecting rod and is connected, inside one side of installing frame is provided with the second motor, the output fixedly connected with main belt wheel of second motor, the main belt wheel passes through the belt and is connected with the transmission of secondary pulley, the spiral opposite direction of lead screw.
Preferably, the inner wall of the frame and the two sides of the lifting plate are both provided with limiting grooves, and the top of the frame and the outer side of the side guard plate are provided with clamping grooves.
Preferably, the inboard of actuating lever is provided with reset spring, reset spring's inner wall fixedly connected with stopper, the stopper is connected with the fixed surface of lifter plate, the center of actuating lever is connected with the rotation of lifter plate through the round pin axle.
Preferably, the teaching display frame is designed in a cross shape, and a winding iron core is arranged inside each plate surface.
Preferably, the bottom equidistance of frame is provided with the gyro wheel, the top of side guard plate and back guard plate all is provided with sealed lid.
Preferably, the front of the frame and the bottom of the guide plate are provided with a discharge port, and the outer side of the discharge port is clamped with a material receiving box.
Preferably, the inside of frame is provided with controller and control panel respectively, control panel, camera, display screen, first motor, transmission all with controller electric connection.
Preferably, the driving rod is an L-shaped bent rod, the soft rod is a corrugated rod which can be freely bent, and the display screens on the back guard plate and the side guard plate are splicing screens.
A use method of a multifunctional disassembly and assembly table for mechanical teaching,
firstly, moving a device to a teaching position through a roller for fixing;
secondly, taking down the sealing cover, and then switching on a power supply of the device and starting the device; lifting the back guard plate, and driving the side guard plates at the two sides to be unfolded, so that the display screen on the back guard plate is spliced, and large-screen display is carried out;
thirdly, sequentially fixing the mechanical transmission parts in the display units of the teaching display frame through magnetism, performing mechanical structure transmission construction, matching with the adjusting camera to perform real-time screen projection, and performing mechanical structure construction and transmission principle teaching demonstration;
and after the fourth step and the demonstration are completed, the teaching display frame can be controlled to rotate and the winding iron core is powered off, and the mechanical structural part is rapidly stored.
(III) advantageous effects
The invention provides a multifunctional assembling and disassembling table for mechanical teaching and a using method thereof. Has the following beneficial effects:
this multi-functional dismouting platform is used in machinery teaching and application method thereof, it drives both sides side guard plate and carries out automatic expansion to the lifter plate when rising to take through the transmission transposition, the concatenation and the altitude mixture control of display screen have been reached, the cooperation camera can carry out the indoor transmission structure's of the current teaching unit of dismouting platform in timely influence broadcast, make things convenient for students at the back to impart knowledge to students the dismouting and watch, students at the back are not influenced when guaranteeing the teaching, it repeats the teaching dismouting number of times to reduce the teacher, reduce teaching intensity and tired sense, be favorable to teacher's physical and mental health, and this dismouting platform is the design of multiunit teaching show shelf rotation switching, can realize that a device carries out the teaching show of different mechanical structure, and switching speed is fast, the formula is connected and is convenient for the dismouting to magnetism.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a lifting structure of a display screen according to the present invention;
FIG. 3 is an enlarged view of the structure A of the present invention;
FIG. 4 is an enlarged view of structure B of the present invention;
FIG. 5 is a schematic view of the teaching display frame according to the present invention.
In the figure: the device comprises a frame 1, a lifting plate 2, a rotating frame 3, a connecting rod 4, a transmission device 5, a mounting frame 51, a lead screw 52, a pair of drives 53, a movable block 54, a second motor 55, a primary belt wheel 56, a belt 57, a driving rod 6, a transmission rod 7, a side guard plate 8, a back guard plate 9, a display screen 10, a teaching display frame 11, a driven wheel 12, a first motor 13, a driving wheel 14, a synchronous belt 15, a guide plate 16, a soft rod 17, a camera 18, a limiting groove 19, a clamping groove 20, a reset spring 21, a limiting block 22, a pin shaft 23, a wound iron core 24, a roller 25, a sealing cover 26, a discharge port 27, a material collecting box 28, a controller 29 and a.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a multifunctional assembly and disassembly table for mechanical teaching comprises a frame 1, wherein a lifting plate 2 is arranged on the back side inside the frame 1, rotating frames 3 are fixedly connected to two sides of the bottom of the lifting plate 2, a connecting rod 4 is rotatably connected to the center of each rotating frame 3, a transmission device 5 is arranged at the bottom of each connecting rod 4, a driving rod 6 is fixedly connected to the outer end of a top central shaft of each connecting rod 4, a transmission rod 7 is arranged on the outer side of each driving rod 6, a side guard plate 8 is rotatably connected to the top of each transmission rod 7, a back guard plate 9 is fixedly connected to the top of the lifting plate 2, the inner side of each side guard plate 8 is rotatably connected with the back guard plate 9 through a hinge, display screens 10 are arranged on the inner sides of each side guard plate 8 and the back guard plate 9, the display screens are automatically opened and closed while the height of the display screens is lifted, frame 1's first motor 13 of inner wall fixedly connected with, the output end fixedly connected with action wheel 14 of first motor 13, the surface of action wheel 14 is passed through hold-in range 15 and is connected with the surface transmission from driving wheel 12, realize that each unit of teaching show shelf rolls and switches, the inner wall front side of frame 1 is provided with guide plate 16, realize concentrating and retrieve the direction, the top front end is provided with soft pole 17, realize that the camera angle is adjusted, the top fixedly connected with camera 18 of soft pole 17, realize the real-time broadcast of image, make things convenient for the student at the back to watch.
The inner wall of the frame 1 and the two sides of the lifting plate 2 are provided with limiting grooves 19, so that the lifting plate can be lifted directionally, and the top of the frame 1 and the outer side of the side guard plate 8 are provided with clamping grooves 20, so that the side guard plate is limited.
The inboard of actuating lever 6 is provided with reset spring 21, and reset spring 21's inner wall fixedly connected with stopper 22, stopper 22 and lifter plate 2's fixed surface are connected, and the center of actuating lever 6 is connected with lifter plate 2's rotation through round pin axle 23, and the side guard board resets when realizing that the lifter plate descends, realizes automatic folding the recovery.
The bottom equidistance of frame 1 is provided with gyro wheel 25, makes things convenient for the device to remove, and the top of side guard plate 8 and back guard plate 9 all is provided with sealed lid 26, realizes the top seal protection.
The front of the frame 1 and the bottom of the guide plate 16 are provided with a discharge port 27, and the outer side of the discharge port 27 is clamped with a material receiving box 28, so that the mechanical mechanisms in the teaching display frame units can be conveniently and rapidly recovered.
The inside of frame 1 is provided with controller 29 and control panel 30 respectively, and control panel 30, camera 18, display screen 10, first motor 13, transmission 5 all with controller 29 electric connection, realize inside automatically controlled operation control.
The driving rod 6 is an L-shaped bent rod, the soft rod 17 is a corrugated rod which can be freely bent, the angle of the camera can be adjusted at will, and the display screens 10 on the back guard plate 9 and the side guard plate 8 are splicing screens, so that large-screen display is realized.
A use method of a multifunctional assembly and disassembly table for mechanical teaching comprises the steps that firstly, a device is moved to a teaching position through a roller 25 to be fixed;
secondly, taking off the sealing cover 26, and then switching on the power supply of the device and starting the device; lifting the back guard plate 9 and driving the side guard plates 8 at two sides to be unfolded, so that the display screen 10 on the back guard plate 9 is spliced to display on a large screen;
thirdly, sequentially fixing the mechanical transmission parts in the display units of the teaching display frame 11 through magnetism, performing mechanical structure transmission construction, matching with the adjusting camera 18 to perform real-time screen projection, and performing mechanical structure construction and transmission principle teaching demonstration;
and after the fourth step and the demonstration are completed, the teaching display frame 11 can be controlled to rotate and the winding iron core (24) is powered off, and the mechanical structural part is rapidly stored.
The working principle is as follows: the second motor 55 is used for driving the main belt wheel 56 to rotate, the main belt wheel 56 drives the secondary belt wheel 53 to rotate through the belt 57, the secondary belt wheel 53 drives the screw rod 52 to rotate, the screw rod 52 respectively drives the movable blocks 54 at two sides to move relatively, the movable blocks 54 drive the bottom of the connecting rod 4 to rotate outwards, and further drives the lifting plate 2 to ascend, so as to drive the back guard plate 9 to move upwards, then the driving rod 6 at the top of the connecting rod 4 is driven to rotate along with the continuous movement of the movable blocks 54, and contacts and extrudes with the driving rod 7 after rotating for a certain angle, so as to drive the driving rod 7 to rotate around the pin shaft 23, then the side guard plates 8 at two sides rotate around the back guard plate 9 to expand by utilizing the lever principle, so that the side guard plates expand while the back guard plates ascend, and when the lifting plate 2 ascends to the highest position, the side guard plates 8 just completely expand, so, realize the large-size screen display and show, then cooperate front side camera 18 to realize the timely broadcast of 11 show unit images of teaching show shelf, make things convenient for the student at the back to study and watch, and utilize first motor 13 to drive action wheel 14 and rotate, action wheel 14 drives from driving wheel 12 through hold-in range 15 and rotates, drive teaching show shelf 11 from driving wheel 12 and rotate, realize that the inside mechanical structure of each show unit room rolls and switches, realize that many mechanisms switch the show teaching, the face of fixed design is adsorbed to the electromagnetism of cooperation simultaneously, make things convenient for mechanical structure to fix fast, cooperation guide plate 16 and collecting box 28, make things convenient for the quick outage of mechanical mechanism to retrieve.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a machinery teaching is with multi-functional dismouting platform, includes frame (1), its characterized in that: the back of the interior of the frame (1) is provided with a lifting plate (2), the two sides of the bottom of the lifting plate (2) are fixedly connected with a rotating frame (3), the center of the rotating frame (3) is rotatably connected with a connecting rod (4), the bottom of the connecting rod (4) is provided with a transmission device (5), the outer end of the top central shaft of the connecting rod (4) is fixedly connected with a driving rod (6), the outer side of the driving rod (6) is provided with a transmission rod (7), the top of the transmission rod (7) is rotatably connected with a side guard plate (8), the top of the lifting plate (2) is fixedly connected with a back guard plate (9), the inner side of the side guard plate (8) is rotatably connected with the back guard plate (9) through a hinge, the inner sides of the side guard plate (8) and the back guard plate (9) are both provided with a display screen (10), the centers, one side of teaching show shelf (11) is provided with from driving wheel (12), the first motor of inner wall fixedly connected with (13) of frame (1), the output fixedly connected with action wheel (14) of first motor (13), the surface of action wheel (14) is passed through hold-in range (15) and is connected with the surface transmission from driving wheel (12), the inner wall front side of frame (1) is provided with guide plate (16), the top front end is provided with soft pole (17), the top fixedly connected with camera (18) of soft pole (17).
2. The multifunctional assembling and disassembling table for mechanical teaching of claim 1, wherein: transmission (5) are including installing frame (51), the inside rotation of installing frame (51) is connected with lead screw (52), the vice drive (53) of the center fixedly connected with of lead screw (52), the equal threaded connection in both sides of lead screw (52) has movable block (54), the top of movable block (54) is rotated with the bottom of connecting rod (4) and is connected, inside one side of installing frame (51) is provided with second motor (55), the output fixedly connected with main band pulley (56) of second motor (55), main band pulley (56) are connected with vice band pulley (53) transmission through belt (57), the spiral opposite direction of lead screw (52).
3. The multifunctional assembling and disassembling table for mechanical teaching of claim 1, wherein: the inner wall of the frame (1) and the two sides of the lifting plate (2) are provided with limiting grooves (19), and the top of the frame (1) and the outer side of the side guard plate (8) are provided with clamping grooves (20).
4. The multifunctional assembling and disassembling table for mechanical teaching of claim 1, wherein: the inboard of actuating lever (6) is provided with reset spring (21), the inner wall fixedly connected with stopper (22) of reset spring (21), the fixed surface of stopper (22) and lifter plate (2) is connected, the center of actuating lever (6) is connected with the rotation of lifter plate (2) through round pin axle (23).
5. The multifunctional assembling and disassembling table for mechanical teaching of claim 1, wherein: teaching show shelf (11) are cross design, and each face is inside all to be provided with wire winding iron core (24).
6. The multifunctional assembling and disassembling table for mechanical teaching of claim 1, wherein: the bottom equidistance of frame (1) is provided with gyro wheel (25), the top of side guard plate (8) and back backplate (9) all is provided with sealed lid (26).
7. The multifunctional assembling and disassembling table for mechanical teaching of claim 1, wherein: the front of the frame (1) is provided with a discharge port (27) at the bottom of the guide plate (16), and a material receiving box (28) is clamped at the outer side of the discharge port (27).
8. The multifunctional assembling and disassembling table for mechanical teaching of claim 1, wherein: the frame (1) is internally provided with a controller (29) and a control panel (30) respectively, and the control panel (30), the camera (18), the display screen (10), the first motor (13) and the transmission device (5) are all electrically connected with the controller (29).
9. The multifunctional assembling and disassembling table for mechanical teaching of claim 1, wherein: the driving rod (6) is an L-shaped bent rod, the soft rod (17) is a corrugated rod which can be freely bent, and the display screens (10) on the back guard plate (9) and the side guard plate (8) are splicing screens.
10. The utility model provides a use method of multi-functional dismouting platform for mechanical teaching which characterized in that:
firstly, moving the device to a teaching position through a roller (25) for fixing;
secondly, taking off the sealing cover (26), and then switching on the power supply of the device and starting the device; lifting the back protection plate (9) and driving the side protection plates (8) at the two sides to be unfolded, so that the display screen (10) on the back protection plate (9) is spliced for large-screen display;
thirdly, sequentially fixing the mechanical transmission parts in the display units of the teaching display frame (11) through magnetism, carrying out mechanical structure transmission construction, matching with the adjusting camera (18) to carry out real-time screen projection, and carrying out mechanical structure construction and transmission principle teaching demonstration;
and fourthly, after the demonstration is completed, the teaching display frame (11) can be controlled to rotate and the winding iron core (24) is powered off, and the mechanical structural part is rapidly stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686543.9A CN111702728A (en) | 2020-07-16 | 2020-07-16 | Multifunctional disassembling and assembling table for mechanical teaching and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686543.9A CN111702728A (en) | 2020-07-16 | 2020-07-16 | Multifunctional disassembling and assembling table for mechanical teaching and using method thereof |
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| CN111702728A true CN111702728A (en) | 2020-09-25 |
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| CN (1) | CN111702728A (en) |
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|---|---|---|---|---|
| KR20110058762A (en) * | 2011-05-02 | 2011-06-01 | 서한호 | Opening and shutting device of a ventilating window |
| CN205122082U (en) * | 2015-11-06 | 2016-03-30 | 武汉理工大学 | Portable stored equipment demonstration teaching aid |
| WO2018014840A1 (en) * | 2016-07-22 | 2018-01-25 | 重庆多创电子技术有限公司 | Multi-functional electronic blackboard |
| US20180108270A1 (en) * | 2016-10-18 | 2018-04-19 | Zhejiang Ocean University | Oceaneering Test Platform Device for Simulating Oceaneering Working Conditions |
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Application publication date: 20200925 |
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| RJ01 | Rejection of invention patent application after publication |