CN113380117B - Higher mathematical function teaching demonstration instrument - Google Patents
Higher mathematical function teaching demonstration instrument Download PDFInfo
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- CN113380117B CN113380117B CN202110400443.XA CN202110400443A CN113380117B CN 113380117 B CN113380117 B CN 113380117B CN 202110400443 A CN202110400443 A CN 202110400443A CN 113380117 B CN113380117 B CN 113380117B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
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- 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
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Abstract
The invention discloses a higher mathematical function teaching demonstration instrument, and relates to the technical field of teaching equipment; a supporting plate frame is arranged on the upper side of the supporting seat, a fixed separation frame is fixed in the supporting plate frame, a vertical end in the fixed separation frame is internally provided with a slot, an electric push rod is fixed on the inner top surface of the slot, a central support platform is fixed on the bottom pushing end of the electric push rod, the front side of the central support platform is provided with an upper support shaft and a lower support shaft in a screwed connection mode through a bearing, guide wheels are sleeved and fixed on the support shafts, a pulling rope penetrates between the upper guide wheel and the lower guide wheel, a plurality of movable adjusting frames are symmetrically arranged on the left side and the right side of the front side of the fixed separation frame, a positioning frame is arranged between the movable adjusting frame located on the outermost side and the vertical end of the supporting plate frame, and a tail rolling mechanism is arranged in the positioning frame; the intersection point can be rapidly moved and found according to teaching requirements, so that different function graphs can be obtained according to the movement of the intersection point, and the trouble of drawing the graphs is reduced.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to an advanced mathematical function teaching demonstration instrument.
Background
Higher mathematics is an important basic subject, a must repair subject, wherein, the function is the important part in higher mathematics, for the convenience of better understanding of student, the teacher is at the in-process of teaching, can combine the mathematics figure to explain usually, consequently, often need draw some figures on the blackboard, the audio-visual figure such as curve contrasts the explanation, need find out the nodical earlier on the blackboard, connect all nodical again, but, when seeking the nodical, waste time and energy, and the precision is not high, the figure that draws influences the effect of teaching.
Disclosure of Invention
The invention aims to provide the advanced mathematical function teaching demonstration instrument which is simple in structure, reasonable in design and convenient to use, can rapidly move and search for the intersection point according to teaching requirements, thereby obtaining different function graphs according to the movement of the intersection point and lightening the trouble of drawing the graphs.
In order to achieve the purpose, the invention adopts the technical scheme that: the universal wheel type automobile seat comprises a fixed base, universal wheels and a supporting seat, wherein the universal wheels are fixed on the periphery of the bottom of the fixed base, and the supporting seat is fixed on the fixed base; the device also comprises a supporting plate frame, a fixed separation frame, a movable adjusting frame, a positioning frame, an X-axis positioning mechanism, a Y-axis positioning mechanism and a tail rolling mechanism, wherein the supporting plate frame is arranged on the upper side of a supporting seat, the fixed separation frame is fixed in the supporting plate frame and is in a cross structure arrangement, a slot is formed in the vertical end in the fixed separation frame, an electric push rod is fixed on the inner top surface of the slot, a central support platform is fixed on the bottom pushing end of the electric push rod, the front side of the central support platform is provided with an upper support shaft and a lower support shaft in a screwed connection mode through a bearing, a guide wheel is sleeved and fixed on the support shafts and is exposed on the front side of the fixed separation frame, a pulling rope is arranged between the upper guide wheel and the lower guide wheel in a penetrating mode, a plurality of movable adjusting frames are symmetrically arranged on the left side and the right side of the front side of the fixed separation frame, the front side of the movable adjusting frame is arranged in an open mode, the positioning frame is arranged between the movable adjusting frame which is positioned on the outermost side and the vertical end of the supporting plate frame, the bottom parts of the movable adjusting frame and the positioning frame are respectively provided with an X-axis positioning mechanism, a Y-axis positioning mechanism is arranged in the movable adjusting frame, the left end and the right end of the pull rope respectively penetrate through a plurality of Y-axis positioning mechanisms on one side of the pull rope, and then are arranged in the positioning frame, and a tail rolling mechanism is arranged in the positioning frame;
the X-axis positioning mechanism comprises a connecting block, a sliding insertion block and a locking block, wherein a moving groove is formed in the inner bottom surface of the supporting plate frame and is arranged on the rear side of the fixed separation frame, the connecting block is fixed at the bottom of the rear side of the movable adjusting frame and the positioning frame, the connecting block is of an inverted L-shaped structure, the vertical end of the connecting block is arranged in the moving groove in a sliding mode, a sliding slot is formed in the supporting plate frame on the front side of the moving groove in a penetrating mode, the sliding insertion block is fixed on the front side of the vertical end of the connecting block and is arranged in the sliding slot in a left-right sliding mode, the locking block is fixed on the front side of the sliding insertion block, a plurality of locking holes are formed in the supporting plate frame on the upper side and the lower side of the sliding slot in a penetrating mode, and the locking studs penetrate through the locking block and are inserted into the locking holes in a rotating mode;
the Y-axis positioning mechanism comprises a driving motor, a driving screw, a driving push rod, a sliding support block and a guide buckle, wherein the driving motor is fixed on the inner top surface of the movable adjusting frame, the driving screw is fixed on an output shaft at the bottom of the driving motor, the driving push rod is arranged on the driving screw in a screwed connection mode through threads, the sliding support block is fixed at the bottom of the driving push rod, the left side and the right side of the sliding support block are respectively in contact with the inner walls of the left side and the right side of the movable adjusting frame, the guide buckle is fixed on the front side of the sliding support block, and the pulling rope penetrates through the guide buckle;
the tail rolling mechanism comprises a rotating motor, a worm wheel, a rotating screw, a moving stud, a driving block, a rolling frame and a rolling wheel, wherein a through groove is formed in one side, close to the moving adjusting frame, of the positioning frame, the rotating motor is fixed on the front side of the positioning frame, the worm is fixed after an output shaft of the rotating motor penetrates through a front side plate of the positioning frame, the worm wheel is meshed with one side of the worm rod, a rotating shaft is arranged in the worm wheel in a penetrating mode and fixed on the rotating shaft, the rotating screw rod is fixed on the rotating shaft, the moving stud is arranged on the rotating screw rod in a screwed connection mode through threads, the driving block is fixed at the upper end of the moving stud, the driving groove is formed in one side, away from the through groove, of the positioning frame, a driving rail is fixed on the inner wall, away from the through groove, the driving block is arranged on the driving rail in a vertical sliding mode, the rolling frame is fixed on one side, close to the through groove, and is of the rolling frame in a U-shaped structure, a winding motor is fixed on the inner wall of the rear side of the winding frame, a winding shaft is fixed on an output shaft of the winding motor, a winding wheel is sleeved and fixed on the winding shaft, and the tail end of the pulling rope passes through the through groove and then is fixed and wound on the winding wheel;
the electric push rod, the driving motor, the rotating motor and the winding motor are all connected with an external power supply.
Preferably, the inner walls of the front side and the rear side of the positioning frame are provided with guide grooves, the front side and the rear side of the rolling frame are fixed with guide blocks, the guide blocks are arranged in the guide grooves in a vertically sliding manner, and the rolling frame is guided in the guide grooves by the guide blocks when moving.
Preferably, the front side of the support plate frame is provided with a scale mark layer, and the moving distance of the locking block is known through the scale mark layer.
Preferably, the inner walls of the left side and the right side of the movable adjusting frame are provided with sliding grooves, the left side and the right side of each sliding support block are fixed with sliding blocks, the sliding blocks are arranged in the sliding grooves in a vertically sliding mode, and the sliding support blocks are guided through sliding fit of the sliding blocks and the sliding grooves when moving.
Preferably, the fixed spacer in the front side of the horizontal end open and be equipped with the spacing groove, the rear side that removes alignment jig and locating rack all is fixed with the stopper, the stopper horizontal slip sets up at the spacing inslot, removes alignment jig and locating rack when removing, removes the direction through the stopper, consolidates the steadiness when removing alignment jig and locating rack and removing.
Preferably, be provided with between two adjacent removal alignment brackets with one side and remove guiding mechanism, this removal guiding mechanism contains the carriage release lever and removes the post, the right side that is located left removal alignment bracket is fixed with the several and removes the post, wear to be equipped with the carriage release lever in the removal post, the right-hand member of carriage release lever is fixed on adjacent removal alignment bracket, the upper and lower both sides of removing the post have all been link up and have been seted up with the reinforcing groove, the carriage release lever is located one of removing the post and serves the symmetry and be fixed with the reinforcing piece, reinforcing piece horizontal slip sets up at reinforcing inslot, the removal alignment bracket is when removing, lead through adjacent removal alignment bracket, consolidate the steadiness when removing the alignment bracket and removing.
The working principle of the invention is as follows: when the device is used, the fixed separation frame divides the support plate frame into four image limits, the movable adjusting frame and the positioning frame are driven to move according to function points to be drawn, so that the function intersection points move in the X axial direction, then the guide buckles are driven to move in height, the function intersection points move in the Y axial direction, the rolling wheels roll, and the pulling ropes are pulled, so that a function graph is formed; in the actual operation process, an electric push rod is started to push a central support to move in height, so that an upper guide wheel and a lower guide wheel move in height, the height of a pulling rope between the two guide wheels is enabled, a locking block is manually driven to move, a sliding insertion block is enabled to move in a sliding insertion groove, a connecting block is enabled to move in the moving groove, a moving adjusting frame and a positioning frame are enabled to move, the locking block is locked through a locking stud, the moving adjusting frame and the positioning frame are in a fixed state, a driving motor is started to enable a driving screw to rotate, the driving push rod is enabled to move up and down through threads, the sliding support block is enabled to move, so that the pulling rope in a guide buckle is driven to move, a rotating motor is started to enable a worm to rotate, a worm gear is meshed to enable the worm wheel to rotate, and accordingly the rotating screw is enabled to rotate, and the moving stud is moved up and down through the screw thread, the rolling frame is moved highly, the height of the tail end of the pulling rope is positioned, and meanwhile, the rolling motor is started to rotate the rolling wheel, so that the pulling rope is tensioned.
After adopting the structure, the invention has the beneficial effects that:
1. the support plate frame is divided into four quadrants by the fixed separation frame, and the pulling rope positioned between the upper guide wheel and the lower guide wheel moves by driving the central support platform to move in height;
2. the movement of the movement adjusting frame and the positioning frame is driven to move, so that the pulling rope moves in the X axial direction;
3. the sliding support block is driven to move, so that the pulling rope in the guide buckle moves in the Y-axis direction;
4. the rolling piece is driven to move in height, so that the tail end of the pulling rope moves in the Y axis;
5. the winding wheel rotates, so that the tail end of the pulling rope is wound, and the pulling rope is tightened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is a rear view of fig. 1.
Fig. 5 is an enlarged view of a portion a in fig. 1.
Fig. 6 is an enlarged view of a portion B in fig. 1.
Fig. 7 is an enlarged view of the portion C in fig. 4.
FIG. 8 is a schematic view showing the internal structure of the spacer according to the present invention.
Fig. 9 is a schematic view of the connection between the movable adjusting bracket, the connecting block, the sliding insert block and the locking block in the present invention.
FIG. 10 is a schematic view of the connection of the driving block to the rolling frame in the present invention.
Fig. 11 is a schematic view of a connection structure of the sliding support block and the guide buckle according to the present invention.
Fig. 12 is a schematic view showing the connection of the moving post and the moving rod in the present invention.
Description of reference numerals:
the device comprises a fixed base 1, a universal wheel 2, a supporting seat 3, a supporting plate frame 4, a moving groove 4-1, a sliding slot 4-2, a locking hole 4-3, a fixed separation frame 5, a groove 5-1, a limiting groove 5-2, a moving adjusting frame 6, a sliding groove 6-1, a positioning frame 7, a through groove 7-1, a guide groove 7-2, an X-axis positioning mechanism 8, a connecting block 8-1, a sliding insertion block 8-2, a locking block 8-3, a locking stud 8-4, a Y-axis positioning mechanism 9, a driving motor 9-1, a driving screw rod 9-2, a driving push rod 9-3, a sliding support block 9-4, a guide buckle 9-5, a tail rolling mechanism 10, a rotating motor 10-1, a worm rod 10-2, a worm wheel 10-3, a rotating screw rod 10-4, a positioning hole 4-3, a sliding groove 7-2, a positioning mechanism 8, a connecting block 8-1, a connecting block 8-3, a connecting block, a connecting bolt, a connecting rod 9-2, a connecting rod, a, The device comprises a movable stud 10-5, a driving block 10-6, a driving groove 10-6-1, a rolling frame 10-7, a rolling wheel 10-8, a driving rail 10-9, a rolling motor 10-10, an electric push rod 11, a center support 12, a guide wheel 13, a pulling rope 14, a guide block 15, a scale mark layer 16, a sliding block 17, a limiting block 18, a movable guide mechanism 19, a movable rod 19-1, a movable column 19-2, a reinforcing groove 19-3 and a reinforcing block 19-4.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 12, the technical solution adopted by the present embodiment is: the device comprises a fixed base 1, universal wheels 2 and a supporting seat 3, wherein the universal wheels 2 (the universal wheels 2 are wheels with self-locking functions) are fixed on the periphery of the bottom of the fixed base 1 by bolts, and the supporting seat 3 is fixed on the fixed base 1 by bolts; the device also comprises a supporting plate frame 4, a fixed separation frame 5, a movable adjusting frame 6, a positioning frame 7, an X-axis positioning mechanism 8, a Y-axis positioning mechanism 9 and a tail rolling mechanism 10, wherein the supporting plate frame 4 is fixed on the upper side of a supporting seat 3 by bolts, the fixed separation frame 5 is fixed in the supporting plate frame 4 by screws, the fixed separation frame 5 is arranged in a cross structure, a slot 5-1 is formed in the vertical end in the fixed separation frame 5, an electric push rod 11 with the type of PXTL is fixed on the inner top surface of the slot 5-1 by bolts, a central support table 12 is fixed on the bottom pushing end of the electric push rod 11 by bolts, an upper support shaft and a lower support shaft are screwed on the front side of the central support table 12 through bearings, guide wheels 13 are sleeved and welded and fixed on the support shafts, the guide wheels 13 are exposed on the front side of the fixed separation frame 5, a pulling rope 14 is arranged between the upper guide wheels and the lower guide wheels 13, two movable adjusting frames 6 are symmetrically arranged on the left and right of the front side of the fixed separation frame 5, the front sides of the movable adjusting frames 6 are arranged in an open mode, a positioning frame 7 is arranged between the movable adjusting frame 6 located on the outermost side and the vertical end of the supporting plate frame 4, X-axis positioning mechanisms 8 are arranged at the bottoms of the movable adjusting frames 6 and the positioning frame 7 respectively, Y-axis positioning mechanisms 9 are arranged in the movable adjusting frames 6, the left end and the right end of a pulling rope 14 penetrate through the two Y-axis positioning mechanisms 9 on one side respectively and then are arranged in the positioning frame 7, and a tail rolling mechanism 10 is arranged in the positioning frame 7;
the X-axis positioning mechanism 8 comprises a connecting block 8-1, a sliding insert block 8-2 and a locking block 8-3, a moving groove 4-1 is formed in the inner bottom surface of a supporting plate frame 4, the moving groove 4-1 is arranged on the rear side of a fixed separation frame 5, the connecting block 8-1 is fixedly welded at the bottom of the rear side of a moving adjusting frame 6 and a positioning frame 7, the connecting block 8-1 is arranged in an inverted L-shaped structure, the vertical end of the connecting block 8-1 is slidably arranged in the moving groove 4-1, a sliding slot 4-2 is formed in the supporting plate frame 4 on the front side of the moving groove 4-1 in a penetrating manner, the sliding insert block 8-2 is fixedly welded at the front side of the vertical end of the connecting block 8-1, the sliding insert block 8-2 is slidably arranged in the sliding slot 4-2 from left to right, the locking block 8-3 is fixedly welded on the front side of the sliding insertion block 8-2, a plurality of locking holes 4-3 are formed in the support plate frame 4 on the upper side and the lower side of the sliding insertion slot 4-2 in a penetrating mode, the locking studs 8-4 penetrate through the locking blocks 8-3 and then are inserted into the locking holes 4-3 in a screwing mode, a scale mark layer 16 is arranged on the front side of the support plate frame 4, and the moving distance of the locking block 8-3 is known through the scale mark layer 16; a limiting groove 5-2 is formed in the front side of the horizontal end in the fixed separation frame 5, a limiting block 18 is fixedly welded on the rear sides of the movable adjusting frame 6 and the positioning frame 7, the limiting block 18 is arranged in the limiting groove 5-2 in a left-right sliding mode, and when the movable adjusting frame 6 and the positioning frame 7 move, the limiting block 18 is used for moving and guiding, so that the stability of the movable adjusting frame 6 and the positioning frame 7 during moving is improved;
a moving guide mechanism 19 is arranged between two adjacent moving adjusting frames 6 on the same side, the moving guide mechanism 19 comprises a moving rod 19-1 and a moving column 19-2, two moving columns 19-2 are fixedly welded on the right side of the moving adjusting frame 6 on the left side, the moving rod 19-1 penetrates through the moving column 19-2, the right end of the moving rod 19-1 is fixedly welded on the adjacent moving adjusting frames 6, reinforcing grooves 19-3 are formed in the upper side and the lower side of the moving column 19-2 in a penetrating manner, reinforcing blocks 19-4 are symmetrically welded and fixed on one end of the moving rod 19-1 in the moving column 19-2 in an up-and-down manner, the reinforcing blocks 19-4 are arranged in the reinforcing grooves 19-3 in a left-and-right sliding manner, and the two adjacent moving adjusting frames 6 perform mutual moving guide;
the Y-axis positioning mechanism 9 comprises a driving motor 9-1, a driving screw 9-2, a driving push rod 9-3, a sliding support block 9-4 and a guide buckle 9-5, the driving motor 9-1 with the model number of 60KTYZ is fixed on the inner top surface of the movable adjusting frame 6 by using bolts, the driving screw 9-2 is fixed on an output shaft at the bottom of the driving motor 9-1 in a welding way, the driving push rod 9-3 is arranged on the driving screw 9-2 in a screwing way through threads, the sliding support block 9-4 is fixed at the bottom of the driving push rod 9-3 in a welding way, the left side and the right side of the sliding support block 9-4 are respectively arranged in contact with the inner walls at the left side and the right side of the movable adjusting frame 6, the sliding grooves 6-1 are respectively arranged on the inner walls at the left side and the right side of the movable adjusting frame 6, the sliding blocks 17 are respectively fixed at the left side and the right side of the sliding support block 9-4 in a welding way, the sliding block 17 is arranged in the sliding groove 6-1 in an up-and-down sliding mode, the sliding block 17 is in sliding fit with the sliding groove 6-1, the stability of the sliding support block 9-4 during movement is improved, the front side of the sliding support block 9-4 is fixedly welded with the guide buckle 9-5, and the pulling rope 14 penetrates through the guide buckle 9-5;
the tail rolling mechanism 10 comprises a rotating motor 10-1, a worm 10-2, a worm wheel 10-3, a rotating screw rod 10-4, a moving stud 10-5, a driving block 10-6, a rolling frame 10-7 and a rolling wheel 10-8, a through groove 7-1 is formed in one side of a positioning frame 7 close to a moving adjusting frame 6, the rotating motor 10-1 with the model of 60KTYZ is fixed on the front side of the positioning frame 7 through screws, the worm 10-2 is fixedly welded after an output shaft of the rotating motor 10-1 penetrates through a front side plate of the positioning frame 7, the worm wheel 10-3 is meshed with one side of the worm 10-2, a rotating shaft is fixedly penetrated in the worm wheel 10-3, the rotating shaft is fixedly welded with the rotating screw rod 10-4, the moving stud 10-5 is rotatably connected to the rotating screw rod 10-4 through threads, a driving block 10-6 is fixed at the upper end of the movable stud 10-5, a driving groove 10-6-1 is formed in one side, far away from the through groove 7-1, of the driving block 10-6, a driving rail 10-9 is fixedly welded on the inner wall of one side, far away from the through groove 7-1, of the positioning frame 7, the driving block 10-6 is arranged on the driving rail 10-9 in a vertically sliding mode through the driving groove 10-6-1, a rolling frame 10-7 is fixedly welded on one side, near the through groove 7-1, of the driving block 10-6, the rolling frame 10-7 is arranged in a U-shaped structure, guide grooves 7-2 are formed in the inner walls of the front side and the rear side of the positioning frame 7, guide blocks 15 are fixedly welded on the front side and the rear side of the rolling frame 10-7, the guide blocks 15 are arranged in the guide grooves 7-2 in a vertically sliding mode, the guide block 15 is in sliding fit with the guide groove 7-2 to guide the rolling frame 10-7, so that the stability of the rolling frame 10-7 during movement is improved, a rolling motor 10-10 with the model number of 60KTYZ is fixed on the inner wall of the rear side of the rolling frame 10-7 by using a bolt, a rolling shaft is fixed on an output shaft of the rolling motor 10-10 in a welding manner, a rolling wheel 10-8 is sleeved and fixed on the rolling shaft in a welding manner, and the tail end of a pulling rope 14 passes through the through groove 7-1 and then is fixed and wound on the rolling wheel 10-8 in a welding manner;
the electric push rod 11, the driving motor 9-1, the rotating motor 10-1 and the winding motor 10-10 are all connected with an external power supply through power lines.
The working principle of the specific implementation mode is as follows: when the device is used, the support plate frame 4 is divided into four quadrants by the fixed separation frame 5, the movable adjusting frame 6 and the positioning frame 7 are driven to move according to a function point to be drawn, so that the function intersection point moves in the X axial direction, then the guide buckle 9-5 is driven to move in height, so that the function intersection point moves in the Y axial direction, the rolling wheel 10-8 rolls, and the pulling rope 14 is pulled, so that a function graph is formed; in the actual operation process, the electric push rod 11 is started to push the central support 12 to move in height, so that the upper guide wheel 13 and the lower guide wheel 13 move in height, the height of a pulling rope 14 between the two guide wheels 13 is increased, the locking block 8-3 is manually driven to move, the sliding insertion block 8-2 moves in the sliding insertion groove 4-2, the connecting block 8-1 moves in the moving groove 4-1, the moving adjusting frame 6 and the positioning frame 7 move, the locking block 8-3 is locked through the locking stud 8-4, the moving adjusting frame 6 and the positioning frame 7 are in a fixed state, and when the moving adjusting frame 6 moves, the adjacent moving adjusting frames 6 guide to strengthen the stability of the moving adjusting frame 6 during movement; starting a driving motor 9-1 to rotate a driving screw rod 9-2, enabling a driving push rod 9-3 to move up and down through threads, enabling a sliding support block 9-4 to move, and further driving a pulling rope 14 in a guide buckle 9-5 to move, starting a rotating motor 10-1 to rotate a worm 10-2 to be meshed to rotate a worm wheel 10-3, so that the rotating screw rod 10-4 rotates, enabling a moving stud 10-5 to move up and down through the threads, enabling a rolling frame 10-7 to move highly, enabling the height of the tail end of the pulling rope 14 to be positioned, simultaneously starting a rolling motor 10-10 to rotate a rolling wheel 10-8, further tensioning the pulling rope 14, and when the rolling frame 10-7 moves, the movement guide is performed in the guide groove 7-2 by the guide block 15.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. the support plate frame 4 is divided into four quadrants by the fixed separation frame 5, and the pulling rope 14 positioned between the upper guide wheel 13 and the lower guide wheel 13 moves by driving the central support table 12 to move in height;
2. the pull rope 14 moves in the X axial direction by driving the movable adjusting frame 6 and the positioning frame 7 to move;
3. the pulling rope 14 in the guide buckle 9-5 moves in the Y-axis direction by driving the sliding support block 9-4 to move;
4. the rolling piece is driven to move in height, so that the tail end of the pulling rope 14 moves in the Y axis;
5. the rolling wheel 10-8 rotates, so that the tail end of the pulling rope 14 is rolled, and the pulling rope 14 is tensioned;
6. the movable adjusting frame 6 is more stable when moving through the movable matching of the movable rod 19-1 and the movable column 19-2.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A higher mathematical function teaching demonstration instrument comprises a fixed base (1), universal wheels (2) and a supporting seat (3), wherein the universal wheels (2) are fixed on the periphery of the bottom of the fixed base (1), and the supporting seat (3) is fixed on the fixed base (1); the method is characterized in that: the device also comprises a supporting plate frame (4), a fixed separation frame (5), a movable adjusting frame (6), a positioning frame (7), an X-axis positioning mechanism (8), a Y-axis positioning mechanism (9) and a tail rolling mechanism (10), wherein the supporting plate frame (4) is arranged on the upper side of the supporting seat (3), the fixed separation frame (5) is fixed in the supporting plate frame (4), the fixed separation frame (5) is arranged in a cross structure, a slot (5-1) is formed in the vertical end in the fixed separation frame (5), an electric push rod (11) is fixed on the inner top surface of the slot (5-1), a central support platform (12) is fixed on the bottom pushing end of the electric push rod (11), the front side of the central support platform (12) is provided with an upper support shaft and a lower support shaft in a rotary connection mode through a bearing, a guide wheel (13) is sleeved and fixed on the support shafts, and the guide wheel (13) is exposed on the front side of the fixed separation frame (5), the pulling rope (14) penetrates between an upper guide wheel and a lower guide wheel (13), a plurality of movable adjusting frames (6) are symmetrically arranged on the left and right sides of the front side of the fixed separating frame (5), the front sides of the movable adjusting frames (6) are arranged in an open mode, a positioning frame (7) is arranged between the movable adjusting frame (6) located on the outermost side and the vertical end of the supporting plate frame (4), X-axis positioning mechanisms (8) are arranged at the bottoms of the movable adjusting frames (6) and the positioning frame (7), Y-axis positioning mechanisms (9) are arranged in the movable adjusting frames (6), the left end and the right end of the pulling rope (14) penetrate through a plurality of Y-axis positioning mechanisms (9) on one side of each pulling rope respectively and then are arranged in the positioning frame (7), and a tail rolling mechanism (10) is arranged in the positioning frame (7);
the X-axis positioning mechanism (8) comprises a connecting block (8-1), a sliding insert block (8-2) and a locking block (8-3), a moving groove (4-1) is formed in the inner bottom surface of the supporting plate frame (4), the moving groove (4-1) is arranged on the rear side of the fixed separation frame (5), the connecting block (8-1) is fixed at the bottom of the rear side of the movable adjusting frame (6) and the positioning frame (7), the connecting block (8-1) is arranged in an inverted L-shaped structure, the vertical end of the connecting block (8-1) is arranged in the moving groove (4-1) in a sliding mode, the sliding insert groove (4-2) is formed in the supporting plate frame (4) on the front side of the moving groove (4-1) in a penetrating mode, the sliding insert block (8-2) is fixed on the front side of the vertical end of the connecting block (8-1), the sliding insertion block (8-2) is arranged in the sliding slot (4-2) in a left-right sliding mode, a locking block (8-3) is fixed on the front side of the sliding insertion block (8-2), a plurality of locking holes (4-3) are formed in the supporting plate frames (4) on the upper side and the lower side of the sliding slot (4-2) in a penetrating mode, and the locking stud (8-4) penetrates through the locking block (8-3) and then is inserted into the locking holes (4-3) in a screwing mode;
the Y-axis positioning mechanism (9) comprises a driving motor (9-1), a driving screw (9-2), a driving push rod (9-3), a sliding support block (9-4) and a guide buckle (9-5), the driving motor (9-1) is fixed on the inner top surface of the movable adjusting frame (6), the driving screw (9-2) is fixed on an output shaft at the bottom of the driving motor (9-1), the driving push rod (9-3) is arranged on the driving screw (9-2) in a screwed connection mode through threads, the sliding support block (9-4) is fixed at the bottom of the driving push rod (9-3), the left side and the right side of the sliding support block (9-4) are respectively in contact with the inner walls at the left side and the right side of the movable adjusting frame (6), the guide buckle (9-5) is fixed at the front side of the sliding support block (9-4), the pulling rope (14) is arranged in the guide buckle (9-5) in a penetrating way;
the tail rolling mechanism (10) comprises a rotating motor (10-1), a worm (10-2), a worm wheel (10-3), a rotating screw (10-4), a moving stud (10-5), a driving block (10-6), a rolling frame (10-7) and a rolling wheel (10-8), a through groove (7-1) is formed in one side, close to the moving adjusting frame (6), of the positioning frame (7), the rotating motor (10-1) is fixed on the front side of the positioning frame (7), the worm (10-2) is fixed after an output shaft of the rotating motor (10-1) penetrates through a front side plate of the positioning frame (7), the worm wheel (10-3) is arranged on one side of the worm (10-2) in a meshed mode, a rotating shaft is arranged in the worm wheel (10-3) in a penetrating mode and fixed mode, and the rotating screw (10-4) is fixed on the rotating shaft, a movable screw bolt (10-5) is screwed on the rotary screw rod (10-4) through threads, a driving block (10-6) is fixed at the upper end of the movable screw bolt (10-5), a driving groove (10-6-1) is formed in one side, far away from the through groove (7-1), of the driving block (10-6), a driving rail (10-9) is fixed on the inner wall of one side, far away from the through groove (7-1), of the positioning frame (7), the driving block (10-6) is vertically and slidably arranged on the driving rail (10-9) through the driving groove (10-6-1), a rolling frame (10-7) is fixed on one side, close to the through groove (7-1), of the driving block (10-6), the rolling frame (10-7) is arranged in a U-shaped structure, and a rolling motor (10-10) is fixed on the inner wall of the rear side in the rolling frame (10-7), a winding shaft is fixed on an output shaft of the winding motor (10-10), a winding wheel (10-8) is sleeved and fixed on the winding shaft, and the tail end of the pulling rope (14) passes through the through groove (7-1) and then is fixed and wound on the winding wheel (10-8);
the electric push rod (11), the driving motor (9-1), the rotating motor (10-1) and the winding motor (10-10) are all connected with an external power supply.
2. The higher mathematical function teaching demonstration instrument according to claim 1, characterized in that: the inner walls of the front side and the rear side of the positioning frame (7) are respectively provided with a guide groove (7-2), the front side and the rear side of the rolling frame (10-7) are respectively fixed with a guide block (15), the guide blocks (15) are arranged in the guide grooves (7-2) in a vertical sliding mode, and the rolling frame (10-7) is moved and guided in the guide grooves (7-2) through the guide blocks (15) when moving.
3. The advanced mathematical function teaching demonstration apparatus according to claim 1, wherein: the front side of the supporting plate frame (4) is provided with a scale mark layer (16), and the moving distance of the locking blocks (8-3) is known through the scale mark layer (16).
4. The advanced mathematical function teaching demonstration apparatus according to claim 1, wherein: sliding grooves (6-1) are formed in the inner walls of the left side and the right side of the movable adjusting frame (6), sliding blocks (17) are fixed to the left side and the right side of the sliding support blocks (9-4), the sliding blocks (17) are arranged in the sliding grooves (6-1) in a vertically sliding mode, and the sliding support blocks (9-4) are guided through sliding fit of the sliding blocks (17) and the sliding grooves (6-1) when moving.
5. The advanced mathematical function teaching demonstration apparatus according to claim 1, wherein: the front side of the horizontal end in the fixed separation frame (5) is provided with a limiting groove (5-2), the rear sides of the movable adjusting frame (6) and the positioning frame (7) are respectively provided with a limiting block (18), the limiting blocks (18) slide left and right in the limiting groove (5-2), the movable adjusting frame (6) and the positioning frame (7) are moved through the limiting blocks (18) for guiding, and the stability of the movable adjusting frame (6) and the positioning frame (7) during movement is reinforced.
6. The advanced mathematical function teaching demonstration apparatus according to claim 1, wherein: a movable guide mechanism (19) is arranged between two adjacent movable adjusting frames (6) on the same side, the movable guide mechanism (19) comprises a movable rod (19-1) and a movable column (19-2), a plurality of movable columns (19-2) are fixed on the right side of the movable adjusting frame (6) on the left side, the movable rod (19-1) penetrates through the movable column (19-2), the right end of the movable rod (19-1) is fixed on the adjacent movable adjusting frames (6), reinforcing grooves (19-3) are formed in the upper side and the lower side of each movable column (19-2) in a penetrating manner, reinforcing blocks (19-4) are symmetrically fixed on the upper side and the lower side of one end, located in the corresponding movable column (19-2), of the movable rod (19-1) in an up-down manner, the reinforcing blocks (19-4) are arranged in the reinforcing grooves (19-3) in a left-right sliding manner, when the movable adjusting frame (6) moves, the adjacent movable adjusting frames (6) guide to strengthen the stability of the movable adjusting frame (6) during moving.
7. The working principle of the higher mathematical function teaching demonstration instrument according to claim 1, wherein: when the device is used, the support plate frame (4) is divided into four quadrants by the fixed separation frame (5), the movable adjusting frame (6) and the positioning frame (7) are driven to move according to a function point to be drawn, so that the function intersection point moves in the X axial direction, then the guide buckle (9-5) is driven to move in the height direction, the function intersection point moves in the Y axial direction, the rolling wheel (10-8) rolls, and the pulling rope (14) is pulled, so that a function graph is formed; in the actual operation process, an electric push rod (11) is started to push a center support (12) to move in height, so that an upper guide wheel (13) and a lower guide wheel (13) move in height, the height of a pull rope (14) between the two guide wheels (13) is increased, a locking block (8-3) is manually driven to move, a sliding insertion block (8-2) moves in a sliding insertion slot (4-2), a connecting block (8-1) moves in a moving slot (4-1), a moving adjusting frame (6) and a positioning frame (7) move, the locking block (8-3) is locked through a locking stud (8-4), the moving adjusting frame (6) and the positioning frame (7) are in a fixed state, a driving motor (9-1) is started, and a driving screw rod (9-2) rotates, and the driving push rod (9-3) is driven to move up and down through the threads, the sliding support block (9-4) is driven to move, so that the pulling rope (14) in the guide buckle (9-5) is driven to move, the rotating motor (10-1) is started, the worm (10-2) is driven to rotate and is meshed with the worm wheel (10-3) to rotate, so that the rotating screw rod (10-4) is driven to rotate, the moving stud (10-5) is driven to move up and down through the threads, the rolling frame (10-7) is driven to move highly, so that the height of the tail end of the pulling rope (14) is positioned, and meanwhile, the rolling motor (10-10) is started to drive the rolling wheel (10-8) to rotate, so that the pulling rope (14) is tensioned.
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| CN113380117B true CN113380117B (en) | 2022-06-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60137204D1 (en) * | 2001-06-17 | 2009-02-12 | Abdulhaleem Deeb | Device for demonstrating trigonometric functions and displaying their graphs |
| CN203179345U (en) * | 2013-04-08 | 2013-09-04 | 哈尔滨金融学院 | Function demonstration instrument for higher mathematics teaching |
| CN205318697U (en) * | 2015-12-28 | 2016-06-15 | 新余学院 | Demonstration teaching aid of functional limit for advanced math teaching |
| CN107705673A (en) * | 2017-09-19 | 2018-02-16 | 李沛东 | A kind of apparatus for demonstrating of mathematical function curve |
| CN112208246A (en) * | 2018-08-21 | 2021-01-12 | 东莞市凯勒帝数控科技有限公司 | Mathematical teaching board for quickly drawing function curve |
| CN109215453B (en) * | 2018-11-13 | 2020-07-31 | 安康学院 | Higher mathematical function teaching demonstration instrument |
| CN109817065A (en) * | 2019-03-18 | 2019-05-28 | 王玲 | A kind of higher mathematics functional digraph tutor auxiliary platform device |
| CN211555247U (en) * | 2019-12-27 | 2020-09-22 | 浙江工业职业技术学院 | Be used for mathematical education function image display device |
| CN212010026U (en) * | 2020-05-06 | 2020-11-24 | 湖北中医药高等专科学校 | Higher mathematical function teaching demonstration instrument |
| CN111941145A (en) * | 2020-09-09 | 2020-11-17 | 南京工业职业技术大学 | Full-automatic parameter equation multi-function synchronous demonstration drawing and cutting integrated machine |
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