CN117442006A - Visual auxiliary teaching platform of parallel mechanism - Google Patents
Visual auxiliary teaching platform of parallel mechanism Download PDFInfo
- Publication number
- CN117442006A CN117442006A CN202311381472.1A CN202311381472A CN117442006A CN 117442006 A CN117442006 A CN 117442006A CN 202311381472 A CN202311381472 A CN 202311381472A CN 117442006 A CN117442006 A CN 117442006A
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- China
- Prior art keywords
- column
- rod
- plate
- tabletop
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000007 visual effect Effects 0.000 title claims abstract description 6
- 230000003028 elevating effect Effects 0.000 claims abstract description 10
- 238000012800 visualization Methods 0.000 claims description 8
- 230000003068 static effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B11/00—Tables with tops revolvable on vertical spindles
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
- A47B41/02—Adjustable, inclinable, sliding or foldable desks tops
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
Landscapes
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention relates to the technical field of teaching platforms and discloses a parallel mechanism visual auxiliary teaching platform which comprises a tabletop and a supporting plate, wherein an inner tabletop is embedded and connected in the tabletop, a lifting mechanism is arranged at the bottom of the inner tabletop and comprises a threaded screw rod, a top rod is arranged at the top of the threaded screw rod, one end of the top rod is rotatably connected with a top block, threads of the top block are sleeved on the threaded screw rod, and the lifting mechanism is used for controlling lifting of the tabletop; the top of elevating system is provided with rotary mechanism, rotary mechanism includes the bracing piece, rotary mechanism is used for controlling the desktop and rotates. According to the invention, the lifting mechanism and the rotating mechanism are arranged at the bottom of the tabletop, so that the tabletop is controlled to lift and rotate, the operability is high, the tabletop is stable, and the display of the teaching works is facilitated in all directions.
Description
Technical Field
The invention belongs to the technical field of teaching platforms, and particularly relates to a parallel mechanism visualization auxiliary teaching platform.
Background
The experiment teaching platform is mainly used for teaching activities in a classroom, and part of conditions need to show works on the teaching platform.
The parallel mechanism can be defined as a closed loop mechanism which is formed by connecting a movable platform and a fixed platform through at least two independent motion chains, has two or more degrees of freedom and is driven in a parallel mode, and has the characteristics of compact structure, high rigidity, large bearing capacity, higher precision, no accumulated error, good dynamic response and the like.
When the present experimental teaching is used for exhibiting classroom works, the teaching platform cannot be combined with the parallel structure, is fixed in height and cannot be adjusted, so that students cannot observe works in all aspects, and the teaching quality is affected.
The present invention has been made in view of this.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
the visual auxiliary teaching platform of parallel mechanism, including desktop and backup pad, the inside embedding of desktop is connected with interior table, the bottom of interior table is provided with elevating system, elevating system includes the screw thread lead screw, the top of screw thread lead screw is provided with the ejector pin, ejector pin one end rotates and is connected with the kicking block, the kicking block screw thread cup joints on the screw thread lead screw, elevating system is used for controlling the lift of desktop;
the top of elevating system is provided with rotary mechanism, rotary mechanism includes the bracing piece, rotary mechanism is used for controlling the desktop and rotates.
As a preferred implementation mode of the invention, the cross section of the supporting plate is in a cross shape, the threaded screw rods are provided with four equally spaced and axially arranged threaded screw rods, two ends of each threaded screw rod are rotatably connected with a fixing plate, the bottom of each fixing plate is arranged at the top of the supporting plate, one end, close to the inner side, of each threaded screw rod is fixedly sleeved with a first column gear, the tops of a plurality of first column gears are connected with the same first toothed ring in a meshed manner, the bottoms of the first toothed rings are rotatably connected with connecting columns, the bottoms of the connecting columns are arranged at the top of the supporting plate, the first column gears drive the threaded screw rods to rotate, the threaded screw rods drive jacking blocks to transversely move through threads, and jack one end of each jacking rod is jacked up, and the other end of each jacking rod drives the connecting block to lift up at the moment, and drives the inner table plate and the table top to lift up through the sliding rods.
As a preferred implementation mode of the invention, the outer end of the ejector rod is rotationally connected with the connecting block, one side of the top of the connecting block is provided with the sliding rod, the direction of the sliding rod is the same as that of the threaded screw rod, the sliding rod is movably sleeved with the sliding block, one side of the sliding block is rotationally connected with the supporting rod, the other end of the supporting rod is rotationally connected with the bottom of the inner table plate, the length of the supporting rod is smaller than that of the ejector rod, when the tabletop is singly rotated, the tabletop directly rotates, at the moment, the tabletop drives the inner table plate to rotate, the supporting rod is pulled while the inner table plate rotates, and the supporting rod drives the sliding block to slide on the sliding rod, so that the tabletop is supported by the sliding rod.
As a preferable implementation mode of the invention, one connecting frame is arranged at one end of each of the plurality of sliding rods, mounting plates are arranged at four corners of the bottom of each connecting frame, the cross section of each mounting plate is L-shaped, and a second column gear is rotatably connected to the top of one end of each of the plurality of mounting plates.
As a preferred embodiment of the invention, a plurality of second column gears are connected with one third column gear in a meshed manner, the bottom of the third column gear is arranged at the top of a first toothed ring, the outer sides of the plurality of second column gears are connected with one second toothed ring in a meshed manner, the second toothed ring is an inner gear ring, the diameter of the second toothed ring is larger than that of the third column gear, the second toothed ring drives the second column gear to rotate, the second column gear drives the third column gear to rotate through meshing, the third column gear drives the first toothed ring to rotate through meshing, and the first toothed ring drives the first column gear to rotate through meshing.
As a preferred implementation mode of the invention, two telescopic rods are arranged at the top of the second toothed ring, the same rotating column is arranged at the top of the two telescopic rods, the rotating column is rotationally connected inside the inner table plate, an annular groove is formed at the connecting position of the inner table plate and the rotating column, a plurality of equally-spaced protruding blocks are formed at the outer side of the rotating column, and the height of each protruding block is matched with the height of each annular groove.
As a preferred embodiment of the invention, one side of the top of the inner table plate is slidably connected with a baffle column, the diameter of the section of the baffle column is matched with the distance between two adjacent protruding blocks, the blocked top is provided with a pushing plate, the bottom of the pushing plate is slidably connected with the top of the inner table plate, the top of the rotating column is provided with a screwing groove, when the table top rises and rotates, the sliding pushing plate drives the baffle column to move and the baffle column is clamped between the two adjacent protruding blocks, at the moment, the rotating column and the inner table plate keep relatively static, the rotating column is driven to rotate while the table top is rotated, the rotating column is rotated to drive the two telescopic rods to rotate, and the two telescopic rods are rotated to drive the second toothed ring to rotate.
Compared with the prior art, the invention has the following beneficial effects:
when the tabletop is independently rotated, the tabletop is directly rotated, and at the moment, the tabletop drives the inner tabletop to rotate, and the inner tabletop rotates and pulls the supporting rod, so that the supporting rod drives the sliding block to slide on the sliding rod, and the sliding rod plays a supporting role on the tabletop;
when the tabletop is lifted independently, the rotary column is rotated through the twisting groove, the rotary column rotates to drive the two telescopic rods to rotate, the two telescopic rods rotate to drive the second toothed ring to rotate, the second toothed ring rotates to drive the second column gear to rotate, the second column gear drives the third column gear to rotate through meshing, the third column gear rotates to drive the first toothed ring to rotate, the first toothed ring drives the first column gear to rotate through meshing, the first column gear drives the threaded screw rod to rotate, the threaded screw rod drives the jacking block to transversely move through the threads, one end of the jacking rod is jacked up while the jacking block moves, the other end of the jacking rod is enabled to ascend, at the moment, the other end of the jacking rod drives the connecting block to ascend, and the inner table plate and the tabletop are driven to ascend through the sliding rod;
when the tabletop is lifted and rotated simultaneously, the sliding push plate drives the baffle column to move, the baffle column is clamped between two adjacent convex blocks, at the moment, the rotary column and the inner table are kept relatively static, the tabletop is rotated, the rotary column is driven to rotate while the inner table is rotated, and the tabletop is lifted while rotating through the process.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the top structure of the support plate of the present invention;
FIG. 3 is a schematic view of the structure of the ejector rod of the present invention;
FIG. 4 is a schematic view showing the structure of the first toothed ring of the present invention;
FIG. 5 is a schematic view of the structure of the mounting plate of the present invention;
FIG. 6 is a schematic view of the structure of the second ring gear of the present invention;
fig. 7 is a schematic view of the structure of the rotary column of the present invention.
In the figure: 1. a tabletop; 2. an inner table plate; 3. a support rod; 4. a slide block; 5. a slide bar; 6. a connection frame; 7. a connecting block; 8. a push rod; 9. a top block; 10. a support plate; 11. a fixing plate; 12. a threaded screw rod; 13. a first post gear; 14. a first toothed ring; 15. a connecting column; 16. a mounting plate; 17. a second post gear; 18. a third post gear; 19. a second toothed ring; 20. a rotating column; 21. a bump; 22. an annular groove; 23. twisting grooves; 24. a baffle column; 25. a push plate; 26. a telescopic rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
Embodiment one:
as shown in fig. 1 to 7, the parallel mechanism visualization auxiliary teaching platform comprises a desktop 1 and a supporting plate 10, wherein an inner desk plate 2 is embedded and connected in the desktop 1, a lifting mechanism is arranged at the bottom of the inner desk plate 2 and comprises a threaded screw rod 12, a top rod 8 is arranged at the top of the threaded screw rod 12, one end of the top rod 8 is rotatably connected with a top block 9, the top block 9 is in threaded sleeve connection with the threaded screw rod 12, and the lifting mechanism is used for controlling lifting of the desktop 1;
the top of elevating system is provided with rotary mechanism, and rotary mechanism includes bracing piece 3, and rotary mechanism is used for controlling desktop 1 to rotate.
As shown in fig. 1 to 7, in a specific embodiment, the cross-section of the support plate 10 is in a cross shape, four screw thread screws 12 are arranged at equal intervals in an axial arrangement, two ends of each screw thread screw 12 are rotatably connected with a fixing plate 11, the bottom of the fixing plate 11 is installed at the top of the support plate 10, one end, close to the inner side, of each screw thread screw 12 is fixedly sleeved with a first post gear 13, the tops of the first post gears 13 are in meshed connection with the same first toothed ring 14, the bottoms of the first toothed rings 14 are rotatably connected with connecting posts 15, and the bottoms of the connecting posts 15 are installed at the top of the support plate 10. In this setting, first post gear 13 drives screw thread lead screw 12 and rotates, and screw thread lead screw 12 passes through and drives kicking block 9 lateral shifting with the screw thread, and kicking up ejector pin 8 one end when kicking block 9 removes to make the other end of ejector pin 8 rise, the other end of ejector pin 8 drives connecting block 7 and rises this moment, and drives interior table 2 and desktop 1 through slide bar 5 and rise.
As shown in fig. 1 to 7, further, the outer end of the push rod 8 is rotatably connected with a connecting block 7, a slide bar 5 is mounted on one side of the top of the connecting block 7, the direction of the slide bar 5 is the same as that of a threaded screw rod 12, a slide block 4 is movably sleeved on the slide bar 5, one side of the slide block 4 is rotatably connected with a support rod 3, the other end of the support rod 3 is rotatably connected with the bottom of the inner table plate 2, and the length of the support rod 3 is smaller than that of the push rod 8. In this setting, when carrying out the independent rotation of desktop 1, direct rotatory desktop 1, desktop 1 drives interior table 2 rotation this moment, and interior table 2 pivoted pulls bracing piece 3 simultaneously, and bracing piece 3 drives slider 4 and slides on slide bar 5, plays the effect of support to desktop 1 through slide bar 5.
Embodiment two:
as shown in fig. 1 to 7, in a specific embodiment, one end of each of the plurality of sliding rods 5, which is close to each other, is provided with the same connecting frame 6, four corners of the bottom of the connecting frame 6 are provided with mounting plates 16, the cross-section of each mounting plate 16 is L-shaped, one tops of the ends of each of the plurality of mounting plates 16, which is close to each other, are rotatably connected with a second post gear 17, the plurality of second post gears 17 are engaged with one another to be connected with a third post gear 18, the bottom of the third post gear 18 is mounted on the top of the first toothed ring 14, the outer sides of the plurality of second post gears 17 are engaged with one second toothed ring 19, the second toothed ring 19 is an inner toothed ring, and the diameter of the second toothed ring 19 is larger than that of the third post gear 18. In this setting, second ring gear 19 rotates and drives second post gear 17 rotation, and second post gear 17 drives third post gear 18 rotation through the meshing, and third post gear 18 rotates and drives first ring gear 14 rotation, and first ring gear 14 drives first post gear 13 rotation through the meshing.
Embodiment III:
as shown in fig. 1 to 7, in a specific embodiment, two telescopic rods 26 are installed at the top of the second toothed ring 19, the same rotary column 20 is installed at the top of the two telescopic rods 26, the rotary column 20 is rotationally connected inside the inner table 2, an annular groove 22 is formed at the connecting position of the inner table 2 and the rotary column 20, a plurality of equally-spaced protruding blocks 21 are formed at the outer side of the rotary column 20, the height of each protruding block 21 is matched with the height of the annular groove 22, a baffle column 24 is slidably connected at one side of the top of the inner table 2, the section diameter of the baffle column 24 is matched with the distance between two adjacent protruding blocks 21, a push plate 25 is installed at the top of the baffle column 24, the bottom of the push plate 25 is slidably connected at the top of the inner table 2, and a twisting groove 23 is formed at the top of the rotary column 20. In this setting, when carrying out the rising and the rotation of desktop 1 simultaneously, slip push pedal 25 makes it drive the baffle post 24 and removes to make baffle post 24 card go into between two adjacent lugs 21, the pivot post 20 keeps static relatively with interior table 2 this moment, when rotating desktop 1 and making interior table 2 rotate, drive the pivot post 20 and rotate, pivot post 20 rotates and drives two telescopic links 26 and rotate, and two telescopic links 26 rotate and drive second ring gear 19 and rotate.
The implementation principle of the parallel mechanism visual auxiliary teaching platform of the embodiment is as follows: when the tabletop 1 rotates independently, the tabletop 1 is directly rotated, at the moment, the tabletop 1 drives the inner tabletop 2 to rotate, the support rod 3 is pulled while the inner tabletop 2 rotates, the support rod 3 drives the sliding block 4 to slide on the sliding rod 5, and the tabletop 1 is supported through the sliding rod 5;
when the tabletop 1 is lifted independently, the rotating column 20 is rotated through the twisting groove 23, the rotating column 20 rotates to drive the two telescopic rods 26 to rotate, the two telescopic rods 26 rotate to drive the second toothed ring 19 to rotate, the second toothed ring 19 rotates to drive the second column gear 17 to rotate, the second column gear 17 drives the third column gear 18 to rotate through meshing, the third column gear 18 rotates to drive the first toothed ring 14 to rotate, the first toothed ring 14 drives the first column gear 13 to rotate through meshing, the first column gear 13 drives the threaded screw rod 12 to rotate, the threaded screw rod 12 drives the jacking block 9 to transversely move through the threads, the jacking block 9 jacks one end of the jacking rod 8 while moving, the other end of the jacking rod 8 is lifted, at the moment, the other end of the jacking rod 8 drives the connecting block 7 to lift, and the inner tabletop 2 and the tabletop 1 are driven to lift through the sliding rod 5;
when the table top 1 is lifted and rotated at the same time, the sliding pushing plate 25 drives the baffle column 24 to move, the baffle column 24 is clamped between two adjacent convex blocks 21, at the moment, the rotating column 20 and the inner table plate 2 are kept relatively static, the table top 1 is rotated to rotate the inner table plate 2, the rotating column 20 is driven to rotate, and the table top 1 is rotated and lifted through the process.
Claims (7)
1. The visual auxiliary teaching platform of parallel mechanism, including desktop (1) and backup pad (10), its characterized in that, the inside embedding of desktop (1) is connected with interior table (2), the bottom of interior table (2) is provided with elevating system, elevating system includes screw thread lead screw (12), the top of screw thread lead screw (12) is provided with ejector pin (8), ejector pin (8) one end rotates and is connected with kicking block (9), kicking block (9) screw thread cup joints on screw thread lead screw (12), elevating system is used for controlling the lift of desktop (1);
the top of elevating system is provided with rotary mechanism, rotary mechanism includes bracing piece (3), rotary mechanism is used for controlling desktop (1) and rotates.
2. The parallel mechanism visualization auxiliary teaching platform according to claim 1, wherein the cross-sectional shape of the supporting plate (10) is cross-shaped, four equally spaced axial arrangements are arranged on the threaded screw rods (12), two ends of each threaded screw rod (12) are rotatably connected with a fixing plate (11), the bottom of each fixing plate (11) is installed at the top of the supporting plate (10), each threaded screw rod (12) is fixedly sleeved with a first column gear (13) close to one end of the inner side, the tops of the plurality of first column gears (13) are connected with the same first toothed ring (14) in a meshed mode, connecting columns (15) are rotatably connected to the bottoms of the first toothed rings (14), and the bottoms of the connecting columns (15) are installed at the top of the supporting plate (10).
3. The parallel mechanism visualization auxiliary teaching platform according to claim 1, wherein the outer end of the ejector rod (8) is rotationally connected with a connecting block (7), a sliding rod (5) is installed on one side of the top of the connecting block (7), the direction of the sliding rod (5) is the same as the direction of a threaded screw rod (12), a sliding block (4) is movably sleeved on the sliding rod (5), one side of the sliding block (4) is rotationally connected with a supporting rod (3), the other end of the supporting rod (3) is rotationally connected with the bottom of the inner table plate (2), and the length of the supporting rod (3) is smaller than that of the ejector rod (8).
4. The parallel mechanism visualization auxiliary teaching platform according to claim 1, wherein one end of each sliding rod (5) close to each other is provided with the same connecting frame (6), the four corners of the bottom of the connecting frame (6) are provided with mounting plates (16), the cross section of each mounting plate (16) is L-shaped, and the tops of one ends of each mounting plate (16) close to each other are rotatably connected with a second column gear (17).
5. The parallel mechanism visualization auxiliary teaching platform according to claim 4, wherein a plurality of second column gears (17) are connected with one third column gear (18) in a meshed manner, the bottom of the third column gear (18) is arranged at the top of a first toothed ring (14), the outer sides of the plurality of second column gears (17) are connected with one second toothed ring (19) in a meshed manner, the second toothed ring (19) is an inner gear ring, and the diameter of the second toothed ring (19) is larger than that of the third column gear (18).
6. The parallel mechanism visualization auxiliary teaching platform according to claim 5, wherein two telescopic rods (26) are installed at the top of the second toothed ring (19), one rotary column (20) is installed at the top of each telescopic rod (26), the rotary column (20) is rotationally connected inside the inner table plate (2), an annular groove (22) is formed in the connecting position of the inner table plate (2) and the rotary column (20), a plurality of equally-spaced protruding blocks (21) are formed in the outer side of the rotary column (20), and the height of each protruding block (21) is matched with the height of each annular groove (22).
7. The parallel mechanism visualization auxiliary teaching platform according to claim 6, wherein a baffle column (24) is slidably connected to one side of the top of the inner table plate (2), the cross-sectional diameter of the baffle column (24) is matched with the distance between two adjacent protruding blocks (21), a pushing plate (25) is mounted on the top of the baffle column (24), the bottom of the pushing plate (25) is slidably connected to the top of the inner table plate (2), and a screwing groove (23) is formed in the top of the rotating column (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311381472.1A CN117442006A (en) | 2023-10-24 | 2023-10-24 | Visual auxiliary teaching platform of parallel mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311381472.1A CN117442006A (en) | 2023-10-24 | 2023-10-24 | Visual auxiliary teaching platform of parallel mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117442006A true CN117442006A (en) | 2024-01-26 |
Family
ID=89594087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311381472.1A Pending CN117442006A (en) | 2023-10-24 | 2023-10-24 | Visual auxiliary teaching platform of parallel mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117442006A (en) |
-
2023
- 2023-10-24 CN CN202311381472.1A patent/CN117442006A/en active Pending
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