CN116182040A - Learning device for college student Russian competition and use method thereof - Google Patents

Learning device for college student Russian competition and use method thereof Download PDF

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Publication number
CN116182040A
CN116182040A CN202211685966.4A CN202211685966A CN116182040A CN 116182040 A CN116182040 A CN 116182040A CN 202211685966 A CN202211685966 A CN 202211685966A CN 116182040 A CN116182040 A CN 116182040A
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China
Prior art keywords
rod
electric push
push rod
teaching screen
groove
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CN202211685966.4A
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Chinese (zh)
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CN116182040B (en
Inventor
张爽
王洋
王丹丹
侯丽娜
张楠
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Heilongjiang University of Science and Technology
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Heilongjiang University of Science and Technology
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Publication of CN116182040A publication Critical patent/CN116182040A/en
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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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • 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
    • A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
    • A47B97/04—Easels or stands for blackboards or the like
    • A47B97/08—Easels or stands for blackboards or the like foldable
    • 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
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
    • 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
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/32—Undercarriages for supports with three or more telescoping legs
    • 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
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2096—Arrangements for driving the actuator using endless flexible members
    • 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
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/025—Locking means for translational movement
    • F16M2200/028—Locking means for translational movement by positive interaction, e.g. male-female connections
    • 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
    • F16M2200/00—Details of stands or supports
    • F16M2200/08—Foot or support base

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  • 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)
  • Toys (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention relates to the technical field of teaching aids, which comprises the following steps: the invention relates to a multifunctional base, a teaching screen, a portable blackboard and a blackboard retraction assembly, wherein the multifunctional base comprises a movable base, an electric push rod, a lifting rotating mechanism, two telescopic guide rods, a plurality of supporting legs and a transmission lifting mechanism, a fixed rotating shaft is formed at the bottom end of the portable blackboard, the blackboard retraction assembly comprises a side supporting slide plate, a release mechanism and a storage mechanism, one side of the side supporting slide plate is provided with a useful storage groove, the release mechanism comprises an unlocking rod, a first locking pin and a telescopic spring, the storage mechanism comprises a reversing touch slide rod and a spiral steering groove, the supporting legs are driven to descend by the ascending of the electric push rod, so that equipment is automatically fixed, convenient and quick to use and stable, the portable blackboard is automatically unfolded, the unfolding time is greatly saved, and the equipment is automatically unlocked by the rapid storage of the side supporting slide plate and the descending of the electric push rod.

Description

Learning device for college student Russian competition and use method thereof
Technical Field
The invention relates to the technical field of teaching aids, in particular to a learning device for russian competition of college students and a use method thereof.
Background
The Russian large games of the university are sponsored by the international cooperation and the communication department of the education department, and are held once a year.
The patent of China's publication number CN113345278A discloses an english competition equipment with enjoyment for english teaching, comprising a base plate, fixed establishment is all installed to bottom plate left and right sides, fixed establishment includes first backup pad, the lead screw, pressure disk and runner, install first backup pad on the bottom plate, first backup pad internal thread connection lead screw, the pressure disk is installed to lead screw one end, the runner is installed to the lead screw other end, install the storing box on the bottom plate, the hydraulic pump is installed to the bottom plate bottom surface, install the hydraulic stem on the hydraulic stem, the multimedia player is installed to bottom plate one end is kept away from to the hydraulic stem, sliding connection has the slide bar in the third backup pad, first fixed block is kept away from cavity inner wall top surface one side fixedly connected with second spring, second fixed block is installed to the second spring other end, install the show stand between two second fixed blocks, show stand sliding connection is in the cavity, the show stand surface is equipped with magnetic force groove, the effectual learning interest that has improved the student, strengthen the student's study impression, improve the quality of teaching.
When the competition device is used, the device can be fixed by manually rotating a plurality of rotating wheels, the required time is long, and meanwhile, the height difference among the rotating wheels can be caused due to different rotating turns, so that the device is easy to shake; on the other hand, the competition device requires a display board such as a writing board to be manually unfolded, and the process is complicated.
Disclosure of Invention
Based on this, there is a need to provide a learning device for russian competition for college students and a method of using the same.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
a learning device for a college russian competition, comprising:
the multifunctional base comprises a movable base, an electric push rod, a lifting rotating mechanism, two telescopic guide rods, a plurality of supporting legs and a transmission lifting mechanism, wherein the movable base is arranged in a horizontal state, the electric push rod is arranged in a vertical state, the bottom end of the electric push rod is fixedly arranged in the middle of the inner side of the movable base, the bottom end of the lifting rotating mechanism is movably arranged in the middle of the inner side of the movable base, the rotation input end of the lifting rotating mechanism is movably arranged at the movable output end of the electric push rod, the two telescopic guide rods are respectively arranged at two sides of the electric push rod in a vertical state, the bottom ends of the telescopic guide rods are fixedly connected to the movable base, each supporting leg is movably arranged at the outer edge of the inner side of the movable base in a vertical state, the bottom ends of the supporting legs extend out of the movable base, the transmission lifting mechanism is arranged in a horizontal state and is fixedly connected to the bottom of the lifting rotating mechanism, and the rotation output end of the transmission lifting mechanism is connected to the middle of the supporting legs;
the bottom end of the teaching screen is fixedly connected to the tops of the electric push rod and the telescopic guide rod;
the portable blackboard is arranged in the teaching screen, and a fixed rotating shaft is formed at the bottom end of the portable blackboard;
the blackboard receive and release subassembly is vertical state slip setting in the inside of teaching screen, the blackboard receive and release subassembly includes the side support slide, release mechanism and receiving mechanism, the side support slide slides and sets up in the inside middle part position of teaching screen, side support slide horizontal direction's side and the outside intercommunication of teaching screen, side support slide is used for the one side shaping of teaching has the storage tank that is used for accomodating portable blackboard, the bottom and the fixed rotation axis coupling of side support slide, release mechanism includes the unlocking lever, first locking pin and telescopic spring, the unlocking lever is vertical state sliding connection in the inside one side of keeping away from side support slide of teaching screen, the bottom of unlocking lever downwardly extending out the bottom of teaching screen, first locking pin is vertical state sliding connection in the inside top of teaching screen, the bottom of first locking pin extends into the recess portion of side support slide, telescopic spring's one side is the horizontality setting in the fixed part of slide support slide, receiving mechanism includes switching-over touch slide bar and spiral turn to the groove, the switching-over touch is close to the one end of unlocking lever in fixed rotation axis, the spiral turn to the groove shaping in the inside bottom of teaching screen is touched in the direction.
Further, the side shaping on electric putter top has protruding ball slider, and protruding ball slider is the removal output of above-mentioned electric putter promptly, lifting rotation mechanism includes: the rotary outer shaft is arranged outside the electric push rod, the bottom end of the rotary outer shaft is movably arranged in the middle of the inner side of the movable base, a spiral groove for sliding the convex ball sliding block is formed in the top of the rotary outer shaft, the spiral groove is the rotary input end of the lifting rotary mechanism, and a thin-wall portion is formed in the top of the spiral groove.
Further, the drive lifting mechanism includes:
the double-row synchronous wheels are arranged in the movable base in a horizontal state, are coaxially and fixedly connected to the bottom of the rotary outer shaft, and are the rotary input ends of the transmission lifting mechanism;
the two synchronous belts are horizontally arranged in the movable base and are respectively in transmission connection with one synchronous pulley in the double-row synchronous pulley;
each synchronizing wheel is in transmission connection with the double-row synchronizing wheels through a synchronizing belt, and each synchronizing wheel is coaxially and fixedly sleeved at the bottom of the telescopic guide rod;
two large gears which are movably arranged at two ends of the inside of the movable base in a horizontal state, wherein each large gear is coaxially and fixedly connected with a synchronous wheel respectively;
the pinions are horizontally connected inside the movable base in a rotating mode, the middle of the supporting leg is coaxially sleeved with each pinion, each pinion is meshed with the large gear, and the pinions are the rotary output ends of the transmission lifting mechanism.
Further, the inside of pinion all forms has the internal thread, the outside shaping of supporting leg has the external screw thread that corresponds with the internal thread, and the top shaping of supporting leg has the gib block, the inside top shaping of removal base has the direction pipe box with supporting leg one-to-one, the inside shaping of direction pipe box has the spacing spout that is used for the gib block spacing.
Further, the inside shaping of teaching screen has the movable groove that supplies the release lever to move, the bottom shaping of release lever has the spacing ring, and the top shaping of release lever has the release ring, and release mechanism still includes:
the limiting piece is in a horizontal state, one end of the limiting piece is fixedly connected to the fixed base of the telescopic guide rod, and the unlocking rod is slidably connected into the limiting piece;
the middle part of the tilting rod is connected with the inside of the teaching screen in a shaft way;
the side of first locking round pin outwards extends the shaping and has the unblock piece that is used for the cooperation perk pole, and first locking round pin still includes first spring, and the top of first spring is fixed to be set up in the inside top of teaching screen, and the bottom mounting of first spring sets up in the top of first locking round pin.
Further, the top shaping of side support slide has the locked groove that supplies first locking pin to lock, and the locked groove is the recess portion of above-mentioned side support slide, and the bottom shaping of side support slide has the spring fixing base that supplies extension spring one side to be fixed, and the spring fixing base is the fixed part of above-mentioned side support slide, the inside bottom shaping of teaching screen has the fixed spring groove that supplies extension spring opposite side to be fixed, the spring groove is the fixed part of above-mentioned teaching screen, release mechanism still includes the second locking pole, and the second locking pole is vertical state slip and sets up in the inside one side of keeping away from first locking pin of teaching screen, and the second locking pole includes the second spring, and the top of second spring is fixed to be set up in the inside top of teaching screen, and the bottom mounting of second spring sets up in the top of second locking pole.
Further, the center shaping of fixed rotation axis has the axle groove that is used for the coupling, the both sides shaping of side support slide bottom has the axle bed that is used for the coupling axle groove, and the bottom shaping of side support slide has the separation blade that is used for stopping portable blackboard rotation.
Further, a round corner part is formed on one side of the first locking pin, which is far away from the unlocking rod, a curved surface for extruding the round corner part is formed on one side of the top end of the side support sliding plate, which is close to the unlocking rod, and a deflector rod which extends outwards from the back of the teaching screen is arranged on the side surface of the second locking rod.
A method of using a russian competition learning device for college students, comprising the steps of:
s1, before using equipment, an operator pushes the equipment, and the equipment is moved to a proper position for college students to learn russia by using a movable base;
s2, an operator starts an electric push rod, when the electric push rod ascends, a supporting leg descends through transmission, the effect of fixing equipment is achieved, after the electric push rod drives a teaching screen to ascend to a certain height, a side supporting sliding plate and a carrying blackboard can be automatically unfolded successively, and when the teaching screen ascends to a proper teaching height, the operator stops the electric push rod to continuously ascend, and the unfolding work of the whole equipment is completed;
s3, after learning starts, an operator starts a teaching screen and writes on a portable blackboard;
s4, after learning is completed, an operator dials the deflector rod upwards to push the side support sliding plate inwards simultaneously, the portable blackboard can be automatically stored in the side support sliding plate, the side support sliding plate can be automatically fixed in the teaching screen after returning to the initial position, after the side support sliding plate is stored, the operator starts the electric push rod to move downwards, the supporting leg is enabled to ascend through transmission, the equipment fixing unlocking is completed, after the electric push rod returns to the initial position, the storage work of the whole equipment is completed, the operator pushes the equipment, the equipment is moved to the equipment storage place by using the movable base, and the equipment is completed.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the supporting legs are driven to descend by the ascending of the electric push rod, so that the equipment is automatically fixed, and the equipment is convenient, quick and stable to fix;
secondly, the lifting side supporting sliding plate of the electric push rod is unlocked, so that the portable blackboard is automatically unfolded, and the unfolding time is greatly saved;
thirdly, the invention realizes the rapid storage of the whole equipment through the mechanisms such as the rapid storage of the side support slide plate, the descending of the electric push rod and the automatic unlocking equipment.
Drawings
FIG. 1 is a schematic perspective view of the apparatus of the present invention after extension;
FIG. 2 is a schematic perspective view of the structure of the device of the present invention after being extended;
FIG. 3 is a schematic perspective view of the apparatus of the present invention prior to extension;
FIG. 4 is a schematic perspective view of the elevating rotation mechanism of the present invention;
FIG. 5 is a schematic perspective view of the transmission lifting mechanism of the invention;
FIG. 6 is a perspective view of a mobile base structure of the present invention;
FIG. 7 is a schematic perspective view of a side support sled structure of the present invention;
FIG. 8 is a schematic perspective view of the portable blackboard of the present invention;
fig. 9 is an enlarged partial schematic view at a in fig. 8.
The reference numerals in the figures are: 1. a multifunctional base; 2. a movable base; 3. a guide tube sleeve; 4. limiting sliding grooves; 5. an electric push rod; 6. a lifting and rotating mechanism; 7. rotating the outer shaft; 8. a spiral groove; 9. a thin wall portion; 10. a convex ball sliding block; 11. a telescopic guide rod; 12. support legs; 13. a guide bar; 14. an external thread; 15. a transmission lifting mechanism; 16. double-row synchronous wheels; 17. a synchronous belt; 18. a synchronizing wheel; 19. a large gear; 20. a pinion gear; 21. an internal thread; 22. a teaching screen; 23. a portable blackboard; 24. a shaft groove; 25. fixing a rotating shaft; 26. a blackboard retraction assembly; 27. a side support slide plate; 28. a storage groove; 29. a locking groove; 30. a shaft seat; 31. a spring fixing seat; 32. a baffle; 33. a curved surface; 34. a release mechanism; 35. a movable groove; 36. unlocking the rod; 37. unlocking the ring; 38. a limiting ring; 39. a limiting piece; 40. a tilting rod; 41. a first locking pin; 42. unlocking the block; 43. a rounded corner portion; 44. a first spring; 45. a spring groove; 46. a telescopic spring; 47. a second lock lever; 48. a deflector rod; 49. a second spring; 50. a storage mechanism; 51. a spiral steering groove; 52. the reversing contact slide bar.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
A learning apparatus for russian competition for college students, as shown with reference to fig. 1 to 9, comprising:
the multifunctional base 1 comprises a mobile base 2, an electric push rod 5, a lifting rotating mechanism 6, two telescopic guide rods 11, a plurality of supporting legs 12 and a transmission lifting mechanism 15, wherein the mobile base 2 is horizontally arranged, the electric push rod 5 is vertically arranged, the bottom end of the electric push rod 5 is fixedly arranged in the middle of the inner side of the mobile base 2, the bottom end of the lifting rotating mechanism 6 is movably arranged in the middle of the inner side of the mobile base 2, the rotation input end of the lifting rotating mechanism 6 is movably arranged at the movement output end of the electric push rod 5, the two telescopic guide rods 11 are vertically arranged at two sides of the electric push rod 5 respectively, the bottom ends of the telescopic guide rods 11 are fixedly connected with the mobile base 2, each supporting leg 12 is vertically movably arranged at the outer edge of the inner side of the mobile base 2, the bottom ends of the supporting legs 12 extend out of the bottom end of the mobile base 2, the transmission lifting mechanism 15 is horizontally arranged in the inner side of the mobile base 2, the rotation input end of the transmission lifting mechanism 15 is fixedly connected with the bottom of the lifting rotating mechanism 6, and the rotation output end of the transmission lifting mechanism 15 is connected with the middle of the supporting legs 12; the bottom end of the teaching screen 22 is fixedly connected to the tops of the electric push rod 5 and the telescopic guide rod 11; the portable blackboard 23 is arranged in the teaching screen 22, and a fixed rotating shaft 25 is formed at the bottom end of the portable blackboard 23; the blackboard receive and release assembly 26 is the inside that the vertical state slided and sets up in teaching screen 22, the blackboard receive and release assembly 26 includes side support slide 27, release mechanism 34 and receiving mechanism 50, side support slide 27 slides and sets up in the inside middle part position of teaching screen 22, side support slide 27 horizontal direction's side and the outside intercommunication of teaching screen 22, side support slide 27 is used for the one side shaping of teaching has the storage tank 28 that is used for accomodating portable blackboard 23, side support slide 27's bottom and fixed rotation axis 25 hub connection, release mechanism 34 includes release lever 36, first locking pin 41 and telescopic spring 46, release lever 36 is vertical state sliding connection in the inside one side of keeping away from side support slide 27 of teaching screen 22, the bottom of release lever 36 downwardly extending out the bottom of teaching screen 22, first locking pin 41 is vertical state sliding connection in the inside top of teaching screen 22, the bottom of first locking pin 41 extends into side support slide 27's recess portion, one side of telescopic spring 46 is the horizontal state and sets up in the fixed part of teaching screen 22, the opposite side of telescopic spring 46 sets up in side support 27's fixed part, storage mechanism 50 is including touch slide bar 52 and touch the inside one end of reversing screw slide bar 52, touch slide bar 52 and reversing screw 52 are close to the inside the shaping rotation axis 52 of reversing slide bar 52, the reversing screw 52 is used for reversing slide bar 52.
After the mobile base 2 on the multifunctional base 1 moves to a designated position, the electric push rod 5 is started to push the teaching screen 22 to move upwards, the teaching screen 22 drives the telescopic guide rod 11 to stretch and retract, the ascending electric push rod 5 is utilized to drive the lifting rotating mechanism 6 to rotate, the rotating lifting rotating mechanism 6 is utilized to drive the transmission lifting mechanism 15 to rotate, the downward movement of the supporting leg 12 is realized through the linkage between the rotating transmission lifting mechanism 15 and the supporting leg 12, when the supporting leg 12 descends to a certain position to support and fix the whole equipment, the linkage between the electric push rod 5 and the lifting rotating mechanism 6 just ends, the lifting rotating mechanism 6 does not rotate any more, and the equipment is fixed.
The lifting of the teaching screen 22 drives the unlocking rod 36 to lift, the first locking pin 41 is unlocked when the unlocking rod 36 lifts to a certain height, the side support sliding plate 27 can slide outwards from the inside of the teaching screen 22 under the action of the telescopic spring 46, the portable blackboard 23 in the storage groove 28 is turned around by taking the fixed rotating shaft 25 as the center under the action of the spiral steering groove 51 and the reversing touch sliding rod 52 in the sliding process of the side support sliding plate 27, the expansion of the portable blackboard 23 is completed, and when the side support sliding plate 27 slides outwards to a certain position, the side support sliding plate 27 can be automatically fixed on the teaching screen 22, so that the automatic expansion of the whole equipment is completed.
After learning, the side support slide plate 27 is unlocked, the side support slide plate 27 is pushed inwards, the portable blackboard 23 can be automatically stored in the storage groove 28 under the action of the storage mechanism 50, the portable blackboard 23 is pushed inwards continuously, the first locking pin 41 can lock the side support slide plate 27 automatically, storage of the portable blackboard 23 is completed, equipment is started, the electric push rod 5 drives the teaching screen 22 to move downwards, after the electric push rod 5 descends to a certain height, the electric push rod 5 starts to be linked with the lifting and rotating mechanism 6 to drive the electric push rod to rotate in the other direction, and further, the transmission lifting and rotating mechanism 15 also rotates in the other direction, so that the support leg 12 is retracted upwards, and finally the equipment is released and fixed.
In order to solve the problem of how to drive the lifting and rotating mechanism 6 to rotate by the rising of the electric push rod 5, the following features are specifically set:
the side shaping on electric putter 5 top has protruding ball slider 10, and protruding ball slider 10 is above-mentioned electric putter 5's removal output, lifting rotation mechanism 6 includes: the rotating outer shaft 7 is arranged outside the electric push rod 5, the bottom end of the rotating outer shaft 7 is movably arranged in the middle of the inner side of the movable base 2, a spiral groove 8 for sliding the convex ball sliding block 10 is formed at the top of the rotating outer shaft 7, the spiral groove 8 is the rotating input end of the lifting rotating mechanism 6, and a thin wall part 9 is formed at the top of the spiral groove 8.
The bottom of the lifting rotating mechanism 6 is limited in the moving base 2, the convex ball sliding block 10 exists at the bottom of the spiral groove 8, when the electric push rod 5 drives the convex ball sliding block 10 to move upwards, the upper wall of the spiral groove 8 and the convex ball sliding block 10 generate friction, the friction can enable the spiral groove 8 to rotate in one direction in the ascending process of the convex ball sliding block 10, so that the rotating outer shaft 7 rotates, after the equipment is fixed, the convex ball sliding block 10 just breaks away from the spiral groove 8, and the rotating outer shaft 7 stops rotating.
When the electric push rod 5 drives the convex ball slide block 10 to move downwards, the convex ball slide block 10 may deviate and cannot enter the spiral groove 8 from a separated position, and at this time, the annular thin-wall part 9 at the top of the spiral groove 8 plays a role in receiving the convex ball slide block 10, so that the convex ball slide block can smoothly enter the spiral groove 8, and the rotary outer shaft 7 rotates in an opposite direction.
In order to solve the problem of how to transmit the rotation of the lifting and rotating mechanism 6 to the supporting leg 12 by the transmission lifting and lowering mechanism 15, the following features are specifically provided:
the drive elevating mechanism 15 includes: the double-row synchronizing wheel 16 is horizontally arranged in the movable base 2, the double-row synchronizing wheel 16 is coaxially and fixedly connected to the bottom of the rotary outer shaft 7, and the double-row synchronizing wheel 16 is the rotary input end of the transmission lifting mechanism 15; the two synchronous belts 17 are horizontally arranged in the movable base 2, and the two synchronous belts 17 are respectively in transmission connection with one synchronous pulley in the double-row synchronous pulley 16; each synchronizing wheel 18 is in transmission connection with the double-row synchronizing wheel 16 through a synchronizing belt 17, and each synchronizing wheel 18 is coaxially and fixedly sleeved at the bottom of the telescopic guide rod 11; two large gears 19 are movably arranged at two ends of the interior of the movable base 2 in a horizontal state, and each large gear 19 is coaxially and fixedly connected to the synchronous wheel 18 respectively; the pinions 20 are horizontally connected to the inside of the movable base 2 in a rotating mode, each pinion 20 is coaxially sleeved in the middle of the supporting leg 12, each pinion 20 is meshed with the large gear 19, and the pinions 20 are the rotary output ends of the transmission lifting mechanism 15.
The outer shaft 7 is rotated to drive the double-row synchronizing wheel 16 to rotate, the double-row synchronizing wheel 16 drives the synchronizing wheel 18 to rotate through the synchronizing belt 17, the large gear 19 can rotate along with the synchronizing wheel 18, and the large gear 19 can drive the small gear 20 meshed with the large gear to rotate.
In order to achieve the effect of the support leg 12 performing a lowering or lifting movement, thereby fixing or unlocking the device, the following features are provided in particular:
the inside of pinion 20 all forms internal screw thread 21, the outside shaping of supporting leg 12 has the external screw thread 14 that corresponds with internal screw thread 21, and the top shaping of supporting leg 12 has guide bar 13, the inside top shaping of mobile base 2 has the guide pipe cover 3 with supporting leg 12 one-to-one, the inside shaping of guide pipe cover 3 has the spacing spout 4 that is used for guide bar 13 spacing.
The movement of the supporting leg 12 is limited by the limiting chute 4 in the guide pipe sleeve 3, so that the supporting leg 12 can only move up and down, when the pinion 20 rotates, the internal thread 21 and the external thread 14 cooperate to drive the supporting leg 12 to rotate, and the supporting leg 12 is limited and can not rotate, so that the supporting leg 12 is forced to move up or down, and the equipment is fixed or unlocked.
In order to solve the problem of how the release mechanism 34 automatically unlocks the side support sled 27, the following features are specifically provided:
the teaching screen 22 inside shaping has the movable slot 35 that supplies unlocking lever 36 to move, the bottom shaping of unlocking lever 36 has spacing ring 38, and the top shaping of unlocking lever 36 has unlocking ring 37, and release mechanism 34 still includes: the limiting piece 39 is in a horizontal state, one end of the limiting piece 39 is fixedly connected to the fixed base of the telescopic guide rod 11, and the unlocking rod 36 is slidably connected in the limiting piece 39; the tilting rod 40 is in a horizontal state, and the middle part of the tilting rod 40 is axially connected to the inside of the teaching screen 22; the side of first locking pin 41 outwards extends the shaping and is used for cooperating the unblock piece 42 of perk pole 40, and first locking pin 41 still includes first spring 44, and the top of first spring 44 is fixed to be set up in the inside top of teaching screen 22, and the bottom mounting of first spring 44 sets up in the top of first locking pin 41.
One end of the tilting rod 40 is arranged below the unlocking ring 37, the other end of the tilting rod 40 is arranged below the unlocking block 42, when the electric push rod 5 drives the teaching screen 22 to ascend, the tilting rod 40 supports the unlocking rod 36 to ascend along with the teaching screen 22, when the unlocking rod 36 ascends to a certain height, the limiting ring 38 is in contact with the limiting piece 39, the unlocking rod 36 cannot continuously ascend, and as the teaching screen 22 continues to ascend, the unlocking ring 37 presses one end of the tilting rod 40 to descend, the other end of the tilting rod 40 is tilted upwards, the unlocking block 42 ascends under the driving of the tilting rod 40, and the first locking pin 41 is separated from the groove part of the side supporting sliding plate 27, so that the side supporting sliding plate 27 is automatically unlocked.
In order to solve the problem of how the side support slide plate 27 slides outwards and how it is automatically fixed on the teaching screen 22 during the outwards sliding process, the following features are specifically provided:
the top shaping of side support slide 27 has the locked groove 29 that supplies first locking pin 41, and locked groove 29 is the recess portion of above-mentioned side support slide 27, and the bottom shaping of side support slide 27 has the fixed spring fixing base 31 that supplies telescopic spring 46 one side to be fixed, and spring fixing base 31 is the fixed portion of above-mentioned side support slide 27, the inside bottom shaping of teaching screen 22 has the fixed spring groove 45 that supplies telescopic spring 46 opposite side to be fixed, spring groove 45 is the fixed portion of above-mentioned teaching screen 22, release mechanism 34 still includes second locking lever 47, and second locking lever 47 is the inside one side that keeps away from first locking pin 41 that sets up in teaching screen 22 of vertical state slip, and second locking lever 47 includes second spring 49, and the top of second spring 49 is fixed to be set up in the inside top of teaching screen 22, and the bottom of second spring 49 is fixed to be set up in the top of second locking lever 47.
When the side support slide plate 27 is in the initial state, the bottom of the second locking rod 47 is propped against the top end of the side support slide plate 27, the second spring 49 is in the compressed state, when the first locking pin 41 finishes unlocking the side support slide plate 27, the side support slide plate 27 slides outwards under the action of the telescopic spring 46, and when the locking groove 29 moves to be right below the second locking rod 47, the second locking rod 47 extends downwards into the locking groove 29, and automatic fixing of the side support slide plate 27 is finished. In order to solve the problem of how the portable blackboard 23 is turned over during the outward sliding of the side support slide plate 27, the following features are specifically provided:
the center of the fixed rotating shaft 25 is provided with a shaft groove 24 for shaft connection, two sides of the bottom of the side support sliding plate 27 are provided with shaft seats 30 for shaft connection with the shaft groove 24, and the bottom of the side support sliding plate 27 is provided with a baffle plate 32 for blocking the rotation of the portable blackboard 23.
The portable blackboard 23 is connected to the shaft seat 30 at the bottom of the side supporting slide plate 27 in a shaft way through the shaft groove 24 on the fixed rotating shaft 25 at the bottom, and in the outward sliding process, the reversing contact slide rod 52 rotates through the steering groove on the spiral steering groove 51, so that the portable blackboard 23 is driven to overturn downwards, and after the portable blackboard 23 is overturned to a designated position, the baffle plate 32 prevents the portable blackboard 23 from overturning further.
In order to solve the problem of how the side support sled 27 is rapidly retracted, the following features are specifically provided:
the side of the first locking pin 41 far away from the unlocking rod 36 is provided with a round corner 43, the side of the top end of the side support sliding plate 27 near the unlocking rod 36 is provided with a curved surface 33 for extruding the round corner 43, and the side of the second locking rod 47 is provided with a deflector rod 48 extending outwards from the back of the teaching screen 22.
After learning, the dial rod 48 is dial-up to unlock the side support slide plate 27, the side support slide plate 27 is pushed inwards, the portable blackboard 23 is turned up into the storage groove 28 under the action of the spiral steering groove 51 to continue to slide inwards, when the curved surface 33 is contacted with the round corner 43, the first locking pin 41 is extruded to move upwards, and finally when the side support slide plate 27 slides to the initial position, the first locking pin 41 extends downwards into the locking groove 29 to complete automatic locking.
A method of using a russian competition learning device for college students, comprising the steps of:
s1, before using equipment, an operator pushes the equipment, and the equipment is moved to a proper position for college students to learn russia by using a mobile base 2;
s2, an operator starts the electric push rod 5, when the electric push rod 5 ascends, the supporting legs 12 descend through transmission, the supporting legs 12 support the whole equipment when descending to a certain height, the effect of fixing the equipment is achieved, after the electric push rod 5 ascends through driving the teaching screen 22 to enable the unlocking rod 36 to reach a certain height, the unlocking rod 36 stops ascending under the effect of the limiting piece 39, in the process of the teaching screen 22, the ascending unlocking rod 36 enables the first locking pin 41 to ascend through the warping rod 40, so that the side supporting slide plate 27 is released, in the process of outwards sliding the side supporting slide plate 27, the portable blackboard 23 can downwards overturn under the effect of the spiral steering groove 51, when the side supporting slide plate 27 outwards slides to a specified position, the whole equipment is upwards locked and fixed under the effect of the second locking rod 47, and finally, when the electric push rod 5 drives the teaching screen 22 to ascend to a proper teaching height, the operator stops the electric push rod 5 to continuously ascend, and the unfolding work of the whole equipment is completed;
s3, after learning starts, an operator starts a teaching screen 22 and writes on a portable blackboard 23;
s4, after learning is completed, an operator pushes the side support sliding plate 27 upwards by pushing the deflector rod 48 inwards, in the process of inwards sliding the side support sliding plate 27, the portable blackboard 23 can be overturned upwards under the action of the spiral steering groove 51, when the side support sliding plate 27 slides to the lower side of the first locking pin 41, the curved surface 33 on the side support sliding plate 27 can press the round corner 43 on the first locking pin 41 to enable the first locking pin 41 to slide upwards, the side support sliding plate 27 continues to slide inwards, when the locking groove 29 reaches the lower side of the first locking pin 41, the first locking pin 41 ejects the side support sliding plate 27 to fix, after the side support sliding plate 27 is accommodated, the operator starts the electric push rod 5 to move downwards, after the electric push rod 5 is lowered to a certain height, the convex ball sliding block 10 on the electric push rod 5 contacts the spiral groove 8 on the rotary outer shaft 7, the supporting leg 12 is lifted through transmission, the whole equipment starts to be lowered in the lifting process, finally the base 2 is moved to contact with the ground, the equipment is fixed, after the electric push rod 5 returns to the initial position, the whole equipment is pushed to the accommodated, the whole equipment is moved to the whole equipment, and the equipment is stored.
Working principle: after the mobile base 2 on the multifunctional base 1 moves to a designated position, the electric push rod 5 is started to push the teaching screen 22 to move upwards, the teaching screen 22 drives the telescopic guide rod 11 to stretch, when the electric push rod 5 drives the convex ball sliding block 10 to move upwards, the upper wall of the spiral groove 8 and the convex ball sliding block 10 generate friction, so that the rotary outer shaft 7 rotates, the rotary outer shaft 7 drives the double-row synchronous wheel 16 to rotate, the double-row synchronous wheel 16 drives the synchronous wheel 18 to rotate through the synchronous belt 17, the large gear 19 rotates along with the synchronous wheel 18, the large gear 19 drives the pinion 20 meshed with the large gear 19 to rotate, the supporting leg 12 incapable of rotating can only move downwards under the cooperation of the internal thread 21 and the external thread 14, finally, equipment is supported and fixed, at the moment, the convex ball sliding block 10 just breaks away from the spiral groove 8, and the rotary outer shaft 7 stops rotating.
When the electric push rod 5 drives the teaching screen 22 to move upwards, the tilting rod 40 supports the unlocking rod 36, so that the unlocking rod 36 can move upwards along with the teaching screen 22, when the unlocking rod 36 moves upwards to a certain height, the limiting ring 38 is in contact with the limiting piece 39, the unlocking rod 36 cannot continue to rise, as the teaching screen 22 continues to rise, the unlocking ring 37 enables the first locking pin 41 to be separated from the locking groove 29 of the side supporting sliding plate 27 through pressing the tilting rod 40, so that the side supporting sliding plate 27 is automatically unlocked, then the side supporting sliding plate 27 slides outwards under the action of the telescopic spring 46, when the locking groove 29 moves to the position right below the second locking rod 47, the second locking rod 47 extends downwards into the locking groove 29, automatic fixing of the opposite side supporting sliding plate 27 is completed, in the outwards sliding process, the reversing contact sliding rod 52 rotates through the steering groove on the spiral steering groove 51, and accordingly drives the portable blackboard 23 to turn downwards, after the portable blackboard 23 turns to a specified position, the blocking piece 32 prevents further turning of the portable blackboard 23, and automatic unfolding of the whole equipment is completed.
After learning, the dial rod 48 is dial-up to unlock the opposite side support slide plate 27, the opposite side support slide plate 27 is pushed inwards, the portable blackboard 23 is turned up into the storage groove 28 under the action of the spiral steering groove 51, and the portable blackboard continues to slide inwards, and automatic locking of the opposite side support slide plate 27 is completed through the first locking pin 41.
Starting equipment, the electric push rod 5 drives the teaching screen 22 to move downwards, after the electric push rod 5 descends to a certain height, the convex ball slide block 10 on the electric push rod 5 possibly deviates in the process of moving downwards, the convex ball slide block 10 cannot enter the spiral groove 8 from a separated position, at this time, the annular thin wall part 9 at the top of the spiral groove 8 plays a role of bearing the convex ball slide block 10, so that the convex ball slide block can smoothly enter the spiral groove 8, the rotary outer shaft 7 rotates in an opposite direction, the supporting leg 12 is contracted upwards, and finally the unlocking of equipment fixing is completed.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (9)

1. A learning device for a college russian competition, comprising:
the multifunctional base (1) comprises a movable base (2), an electric push rod (5), a lifting rotating mechanism (6), two telescopic guide rods (11), a plurality of supporting legs (12) and a transmission lifting mechanism (15), wherein the movable base (2) is arranged in a horizontal state, the electric push rod (5) is arranged in a vertical state, the bottom end of the electric push rod (5) is fixedly arranged in the middle of the inner side of the movable base (2), the bottom end of the lifting rotating mechanism (6) is movably arranged in the middle of the inner side of the movable base (2), the rotary input end of the lifting rotating mechanism (6) is movably arranged at the movable output end of the electric push rod (5), the two telescopic guide rods (11) are respectively arranged at two sides of the electric push rod (5) in a vertical state, the bottom ends of the telescopic guide rods (11) are fixedly connected to the movable base (2), each supporting leg (12) is movably arranged at the outer edge of the inner side of the movable base (2), the bottom end of the supporting leg (12) extends out of the movable base (2), the transmission lifting mechanism (15) is arranged in a horizontal state and is arranged in the inner side of the movable base (2), the rotary input end of the transmission lifting mechanism (15) is fixedly connected to the bottom of the rotary input end of the lifting mechanism (6) and is connected to the rotary output end of the supporting leg (15;
the teaching screen (22), the bottom of the teaching screen (22) is fixedly connected to the tops of the electric push rod (5) and the telescopic guide rod (11);
the portable blackboard (23) is arranged in the teaching screen (22), and a fixed rotating shaft (25) is formed at the bottom end of the portable blackboard (23);
the blackboard collecting and releasing assembly (26) is vertically arranged in the teaching screen (22) in a sliding mode, the blackboard collecting and releasing assembly (26) comprises a side supporting sliding plate (27), a releasing mechanism (34) and a containing mechanism (50), the side supporting sliding plate (27) is arranged in the middle of the teaching screen (22) in a sliding mode, the side face of the side supporting sliding plate (27) in the horizontal direction is communicated with the outside of the teaching screen (22), a containing groove (28) for containing the portable blackboard (23) is formed in one side of the side supporting sliding plate (27) for teaching, the bottom end of the side supporting sliding plate (27) is connected with the fixed rotating shaft (25) in a shaft mode, the release mechanism (34) comprises an unlocking rod (36), a first locking pin (41) and a telescopic spring (46), wherein the unlocking rod (36) is vertically connected to one side, away from the side support sliding plate (27), of the interior of the teaching screen (22 in a sliding manner, the bottom end of the unlocking rod (36) downwards extends out of the bottom end of the teaching screen (22), the first locking pin (41) is vertically connected to the top end of the interior of the teaching screen (22) in a sliding manner, the bottom end of the first locking pin (41) extends into a groove part of the side support sliding plate (27), one side of the telescopic spring (46) is horizontally arranged on the fixed part of the teaching screen (22), the other side of the telescopic spring (46) is arranged on the fixed part of the side support sliding plate (27), the storage mechanism (50) comprises a reversing contact slide rod (52) and a spiral steering groove (51), wherein the reversing contact slide rod (52) is formed at one end of the fixed rotating shaft (25) close to the unlocking rod (36), and the spiral steering groove (51) for steering the reversing contact slide rod (52) is formed at the bottom end of the inside of the teaching screen (22).
2. The learning device for russian competition of college students according to claim 1, wherein a convex ball slider (10) is formed on a side surface of a top end of the electric push rod (5), the convex ball slider (10) is a moving output end of the electric push rod (5), and the lifting and rotating mechanism (6) comprises: the rotary outer shaft (7) is arranged outside the electric push rod (5), the bottom end of the rotary outer shaft (7) is movably arranged in the middle of the inner side of the movable base (2), a spiral groove (8) for the convex ball sliding block (10) to slide is formed at the top of the rotary outer shaft (7), the spiral groove (8) is the rotary input end of the lifting rotary mechanism (6), and a thin wall part (9) is formed at the top of the spiral groove (8).
3. A learning device for a russian competition for college students according to claim 2, characterized in that the drive-up and down mechanism (15) comprises:
the double-row synchronizing wheel (16) is horizontally arranged in the movable base (2), the double-row synchronizing wheel (16) is coaxially and fixedly connected to the bottom of the rotary outer shaft (7), and the double-row synchronizing wheel (16) is the rotary input end of the transmission lifting mechanism (15);
the two synchronous belts (17) are horizontally arranged in the movable base (2), and the two synchronous belts (17) are respectively connected with one synchronous pulley in the double-row synchronous pulley (16) in a transmission way;
each synchronizing wheel (18) is in transmission connection with the double-row synchronizing wheel (16) through a synchronizing belt (17), and each synchronizing wheel (18) is coaxially and fixedly sleeved at the bottom of the telescopic guide rod (11);
two large gears (19) which are movably arranged at two ends of the inside of the movable base (2) in a horizontal state, wherein each large gear (19) is respectively and coaxially fixedly connected with a synchronous wheel (18);
the pinions (20) are horizontally connected inside the movable base (2) in a rotating mode, each pinion (20) is coaxially sleeved in the middle of the supporting leg (12), each pinion (20) is meshed with the large gear (19), and the pinions (20) are the rotary output ends of the transmission lifting mechanism (15).
4. A learning device for russian competition of college students according to claim 3, characterized in that the inner parts of the pinions (20) are respectively provided with an internal thread (21), the outer sides of the supporting legs (12) are respectively provided with an external thread (14) corresponding to the internal thread (21), the top ends of the supporting legs (12) are respectively provided with a guide strip (13), the top ends of the inner parts of the movable base (2) are respectively provided with a guide sleeve (3) corresponding to the supporting legs (12), and the inner parts of the guide sleeves (3) are respectively provided with a limiting chute (4) for limiting the guide strips (13).
5. A learning device for russian competition of college students according to claim 1, characterized in that the teaching screen (22) is internally formed with a movable slot (35) for the unlocking lever (36) to move, the bottom of the unlocking lever (36) is formed with a limiting ring (38), the top of the unlocking lever (36) is formed with an unlocking ring (37), and the release mechanism (34) further comprises:
the limiting piece (39) is in a horizontal state, one end of the limiting piece (39) is fixedly connected to the fixed base of the telescopic guide rod (11), and the unlocking rod (36) is slidably connected in the limiting piece (39);
the tilting rod (40) is in a horizontal state, and the middle part of the tilting rod (40) is axially connected to the inside of the teaching screen (22);
the side of first locking round pin (41) outwards extends the shaping and is used for cooperating unblock piece (42) of perk pole (40), and first locking round pin (41) still include first spring (44), and the top of first spring (44) is fixed to be set up in the inside top of teaching screen (22), and the bottom mounting of first spring (44) sets up in the top of first locking round pin (41).
6. The learning device for russian competition of claim 5, wherein the top of the side support slide plate (27) is formed with a locking groove (29) for locking the first locking pin (41), the locking groove (29) is a groove part of the side support slide plate (27), the bottom of the side support slide plate (27) is formed with a spring fixing seat (31) for fixing one side of the expansion spring (46), the spring fixing seat (31) is a fixing part of the side support slide plate (27), the bottom end inside the teaching screen (22) is formed with a spring groove (45) for fixing the other side of the expansion spring (46), the spring groove (45) is a fixing part of the teaching screen (22), the release mechanism (34) further comprises a second locking rod (47), the second locking rod (47) is vertically arranged on one side, far away from the first locking pin (41), of the inside the teaching screen (22), the second locking rod (47) comprises a second spring (49), the top end of the second spring fixing seat (31) is formed with a spring groove (45) for fixing the other side of the expansion spring (46), and the top end of the second locking rod (47) is arranged on the bottom end inside the second locking rod (47).
7. The learning device for russian competition of college students according to claim 6, wherein the center of the fixed rotating shaft (25) is formed with a shaft groove (24) for shaft connection, both sides of the bottom of the side support sliding plate (27) are formed with shaft seats (30) for shaft connection of the shaft groove (24), and the bottom of the side support sliding plate (27) is formed with a blocking piece (32) for blocking the rotation of the portable blackboard (23).
8. A learning device for russian competition of college students according to claim 7, characterized in that a rounded corner (43) is formed on the side of the first locking pin (41) away from the unlocking lever (36), a curved surface (33) for pressing the rounded corner (43) is formed on the side of the top end of the side support slide plate (27) close to the unlocking lever (36), and a deflector rod (48) extending outwards from the back of the teaching screen (22) is formed on the side of the second locking lever (47).
9. A method of using a learning device for a college russian competition, comprising a learning device for a college russian competition as claimed in any one of claims 1 to 8, comprising the steps of:
s1, before using equipment, an operator pushes the equipment, and the equipment is moved to a proper position for university students to learn Russian by using a mobile base (2);
s2, an operator starts the electric push rod (5), when the electric push rod (5) ascends, the supporting leg (12) descends through transmission, the effect of fixing equipment is achieved, after the electric push rod (5) ascends to a certain height through driving the teaching screen (22), the side supporting sliding plate (27) and the carrying blackboard (23) can be automatically unfolded successively, and when the teaching screen (22) ascends to a proper teaching height, the operator stops the electric push rod (5) to continue to ascend, and the unfolding work of the whole equipment is completed;
s3, after learning starts, an operator starts a teaching screen (22) and writes on a portable blackboard (23);
s4, after learning is completed, an operator dials a deflector rod (48) upwards to push a side support slide plate (27) inwards simultaneously, a portable blackboard (23) can be automatically stored in the side support slide plate (27), the side support slide plate (27) can be automatically fixed in a teaching screen (22) after returning to an initial position, after the side support slide plate (27) is stored, the operator starts an electric push rod (5) to move downwards, a supporting leg (12) is enabled to ascend through transmission, unlocking of equipment fixing is completed, after the electric push rod (5) returns to the initial position, storage work of the whole equipment is completed, the operator pushes the equipment, the equipment is moved to a storage place of the equipment by using a movable base (2), and the equipment is completed.
CN202211685966.4A 2022-12-27 2022-12-27 Learning device for college student Russian competition and use method thereof Active CN116182040B (en)

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CN202211685966.4A CN116182040B (en) 2022-12-27 2022-12-27 Learning device for college student Russian competition and use method thereof

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040096439A (en) * 2004-09-06 2004-11-16 김민자 Height-controllable blackboard for raising whole blackboard, which is easily installed and manufactured at lower costs
CN209980490U (en) * 2019-01-22 2020-01-21 沈阳职业技术学院 Employment information display device
CN210136570U (en) * 2019-04-30 2020-03-10 襄阳职业技术学院 Management panel
CN212587029U (en) * 2020-06-10 2021-02-23 徐璐 English word teaching device
CN113345278A (en) * 2021-06-02 2021-09-03 江西环境工程职业学院 English teaching is with english contest equipment that has enjoyment
CN214752435U (en) * 2021-05-16 2021-11-16 河南建筑职业技术学院 Colleges and universities think political affairs education with teaching auxiliary device
CN215921699U (en) * 2021-09-02 2022-03-01 重庆经贸职业学院 Inactive multimedia device of innovation entrepreneurship education
CN114758535A (en) * 2022-05-17 2022-07-15 淄博职业学院 English pronunciation teaching device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040096439A (en) * 2004-09-06 2004-11-16 김민자 Height-controllable blackboard for raising whole blackboard, which is easily installed and manufactured at lower costs
CN209980490U (en) * 2019-01-22 2020-01-21 沈阳职业技术学院 Employment information display device
CN210136570U (en) * 2019-04-30 2020-03-10 襄阳职业技术学院 Management panel
CN212587029U (en) * 2020-06-10 2021-02-23 徐璐 English word teaching device
CN214752435U (en) * 2021-05-16 2021-11-16 河南建筑职业技术学院 Colleges and universities think political affairs education with teaching auxiliary device
CN113345278A (en) * 2021-06-02 2021-09-03 江西环境工程职业学院 English teaching is with english contest equipment that has enjoyment
CN215921699U (en) * 2021-09-02 2022-03-01 重庆经贸职业学院 Inactive multimedia device of innovation entrepreneurship education
CN114758535A (en) * 2022-05-17 2022-07-15 淄博职业学院 English pronunciation teaching device

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