CN114211900A - Display system for mathematics drawing learning and teaching - Google Patents
Display system for mathematics drawing learning and teaching Download PDFInfo
- Publication number
- CN114211900A CN114211900A CN202210025441.1A CN202210025441A CN114211900A CN 114211900 A CN114211900 A CN 114211900A CN 202210025441 A CN202210025441 A CN 202210025441A CN 114211900 A CN114211900 A CN 114211900A
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- roller
- display system
- teaching
- dust
- belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/08—Blackboards flexible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention belongs to the technical field of teaching aids, in particular to a display system for mathematical drawing learning and teaching, which comprises: the device comprises a rack, a roller set, a display belt, a cleaning device and a controller, wherein a motor is installed on the rack; each roller of the roller group is rotatably arranged on the rack, and the motor is used for driving the rollers of the roller group to rotate; the display belt is sleeved outside each roller group; the cleaning device is arranged on the rack, is in contact with the outer side of the display belt and is used for cleaning the display belt; the problem of current display system use inconvenient and dust is big is solved, through setting up the show area, after drawing the completion, do not need manually to erase, effectively improve the teaching efficiency in classroom, through setting up cleaning device, do not artifically erase, save drawing personnel's physical power, and the drawing personnel is kept away from to clean department, and the chalk dust is difficult to be inhaled by student and teacher, effectively ensures that student and teacher's is healthy.
Description
Technical Field
The invention belongs to the technical field of teaching aids, and particularly relates to a display system for mathematical drawing learning and teaching.
Background
The display system for mathematics drawing learning and teaching can well use the drawing strategy to assist in solving the mathematics problem. If the drawing strategy can be reasonably used in the solution of the mathematical problem, the abstract problem becomes simple and clear through the form of drawing a schematic diagram, so that the problem is more visual and concrete, and the thought is conveniently cleared, thereby finding the optimal solution strategy. In fact, for many mathematical problems, students have difficulty understanding and are prone to mental errors. The combination of number and shape with this method can solve many abstract mathematical problems.
In the process of mathematics drawing learning and teaching, the drawing is often required to be displayed to students, the drawing is usually carried out on a blackboard or a drawing board, the manual erasing and the drawing are required after the drawing is finished, the classroom time is delayed, the teaching efficiency is influenced, the physical labor intensity of teachers is increased, and in addition, chalk dust is generated when the blackboard is erased, is dispersed in classrooms and is easily absorbed by the teachers and the students, and the physical health of the teachers and the students is damaged.
In view of the above, the present invention provides a display system for mathematical drawing learning and teaching, which solves the above technical problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a display system for mathematical drawing learning and teaching; through setting up the show area, after drawing the completion, do not need manually to erase, effectively improve the teaching efficiency in classroom, through setting up cleaning device, do not artifically erase, save the personnel's of drawing physical power, and the personnel of drawing are kept away from to clean department, and the chalk dust is difficult for being inhaled by student and teacher, effectively ensures student and teacher's healthy to the problem that current display system used inconvenience and dust is big has been solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a display system for mathematical drawing learning and teaching, which comprises:
the device comprises a frame, a motor and a control unit, wherein the motor is mounted on the frame;
each roller of the roller group is vertically and rotatably arranged on the rack, and the motor is used for driving the rollers of the roller group to rotate;
the display belt is sleeved on the outer side of the roller group;
the cleaning device is mounted on the rack, is in contact with the outer side of the display belt and is used for cleaning the display belt;
and the controller is used for controlling the operation of the display system for mathematical drawing learning and teaching.
Preferably, the frame both sides are provided with the pendulum rod, pendulum rod one end with the frame is rotated and is connected, the roller group includes a pair of deflector roll, the deflector roll rotates to be installed the other end of pendulum rod.
Preferably, a second electric push rod is mounted on the swing rod.
Preferably, install overspeed device tensioner in the frame, overspeed device tensioner includes first electric putter, push pedal, fixed plate and spring, first electric putter one end is fixed in the frame, first electric putter's the other end links firmly with the push pedal, the roller group includes the tensioning roller, the fixed plate rotates to be installed in the pivot of tensioning roller, the spring links firmly the push pedal with between the fixed plate, the motor is used for the drive to install the fixed plate the tensioning roller, motor slidable mounting is in the frame.
Preferably, the rotating shafts of the rollers of the roller set are rotatably provided with blocking pieces on the upper side and the lower side of the display belt.
Preferably, the cleaning device is rotatably mounted on the frame.
Preferably, the cleaning device comprises a dust hood, the upper end and the lower end of the dust hood are rotatably connected to the rack through lantern rings, the dust hood is located on one side of a roller of the roller group, a gap is formed between the dust hood and the roller, the display belt penetrates through the gap between the dust hood and the roller group, an opening of the dust hood faces the display belt, a brush plate is arranged at the opening, and the brush plate is in contact with the outer surface of the display belt.
Preferably, the dust collecting cover is communicated with a dust collecting pipe at one side far away from the opening, a filter screen is fixedly mounted at the communicated position, a fan blade is rotatably connected in the dust collecting pipe, the bottom of the dust collecting pipe is provided with an opening, and a rotating shaft of the fan blade is in transmission connection with the motor through a belt.
Preferably, a liquid storage bottle is fixedly connected to the rack, water is filled in the liquid storage bottle, a sponge strip is arranged inside the dust collection cover, the lower end of the sponge strip is fixedly connected with the inner wall of the dust collection cover, and the upper end of the sponge strip is communicated to the bottom of the bottle from a bottle opening of the liquid storage bottle and soaked in the water.
Preferably, the inside baffle that has linked firmly of stock solution bottle, left cavity and right cavity are cut apart into with the stock solution bottle to the baffle, the upper end of sponge strip accesss to left cavity, right cavity top threaded connection has the sealing plug, the right cavity of stock solution bottle is close to tensioning roller one side, right side cavity pass through the pipeline with sponge strip middle section intercommunication, fixed mounting has the check valve in the pipeline, the stock solution bottle is made for flexiplast, the cam has been linked firmly on the pivot top of tensioning roller, the distal end of cam can be right the stock solution bottle produces the extrusion.
The invention has the following beneficial effects:
1. according to the display system for mathematics drawing learning and teaching, the display belt is arranged, after drawing is completed, manual erasing is not needed, only one section with the drawn graph needs to be rotated away, the time for erasing a blackboard is saved, the teaching efficiency of a classroom is effectively improved, the cleaning device is arranged, the outer surface of the display belt is cleaned in the operation process of the display belt, manual erasing is not needed, the physical strength of drawing personnel is saved, the cleaning position is far away from the drawing personnel, chalk dust is not easy to be sucked by students and teachers, and the physical health of the students and teachers is effectively guaranteed.
2. According to the display system for mathematical drawing learning and teaching, the swing rod and the guide roller are arranged, when the display area of the display system needs to be changed, the swing rod is manually rotated, so that the area of a display belt facing a drawing worker is increased or decreased, when the display belt facing the drawing worker is a whole plane, the display area is the largest, larger figures can be drawn conveniently, when the display belt facing the drawing worker is three planes, students sitting at two sides in a classroom can watch the figures conveniently, when the drawn figures are displayed to the students at two sides of the classroom, the display belt is driven by the controller to rotate, so that the figures are rotated to the side facing the classroom, the students in the direction can learn and understand the teaching effect of the classroom is improved.
3. According to the display system for mathematical drawing learning and teaching, the dust collection pipe is arranged, so that the chalk dust brushed by the brush board can be conveniently attracted, the chalk dust is further controlled, the chalk dust is prevented from being diffused outside the dust collection cover, the dust collection effect is improved, the air quality of a classroom is improved, and the body health of teachers and students is protected.
4. According to the display system for mathematics drawing learning and teaching, the liquid storage bottle and the sponge strip are arranged, when the display belt runs, the brush board is in contact with the display belt to brush off the chalk dust on the display belt, the chalk dust dispersed in the dust collection cover is in contact with the sponge strip, water on the sponge strip adsorbs and reduces dust of the chalk dust, the chalk dust is further reduced to be dispersed into the outside air, the body health of teachers and students is protected, when the water in the sponge strip is insufficient, the sponge strip sucks water from the liquid storage bottle due to capillary action, the sponge strip is soaked by the water, the cleaning effect is guaranteed, the chalk dust on the sponge strip is regularly cleaned by the teachers and students, the dust reduction effect of the sponge strip is guaranteed, and the teachers and students can conveniently draw pictures.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a rear perspective view of the present invention;
FIG. 3 is a schematic view of the dust cage according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is an enlarged view of a portion of FIG. 2 at B;
in the figure: 1. a frame; 11. a motor; 12. a swing rod; 13. a baffle plate; 14. a second electric push rod; 21. a guide roller; 22. a tension roller; 3. a display tape; 41. a first electric push rod; 42. pushing the plate; 43. a fixing plate; 44. a spring; 51. a dust collection cover; 52. brushing the board; 53. a dust collecting pipe; 54. a fan blade; 55. a liquid storage bottle; 56. a sponge strip; 57. a cam; 58. and (5) filtering by using a filter screen.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the display system for mathematical drawing learning and teaching according to the present invention includes:
the device comprises a frame 1, wherein a motor 11 is arranged on the frame 1;
each roller of the roller group is vertically and rotatably arranged on the frame 1, and the motor 11 is used for driving the rollers of the roller group to rotate;
the display belt 3 is sleeved outside the roller group;
a cleaning device mounted on the frame 1, in contact with the outside of the display tape 3, for cleaning the display tape 3;
the controller is used for controlling the operation of the display system for mathematical drawing learning and teaching;
as an embodiment of the invention, the cleaning device is rotatably mounted on the frame 1;
as an embodiment of the invention, the cleaning device comprises a dust collecting cover 51, the upper end and the lower end of the dust collecting cover 51 are rotatably connected on the frame 1 through a lantern ring, the dust collecting cover 51 is positioned at one roller side of the roller group, a gap is arranged between the dust collecting cover 51 and the roller, the display belt 3 passes through the gap between the dust collecting cover 51 and the roller group, the opening of the dust collecting cover 51 faces the display belt 3, a brush plate 52 is arranged at the opening, and the brush plate 52 is in contact with the outer surface of the display belt 3;
in the process of mathematics drawing learning and teaching, a drawing is often required to be displayed to students, the drawing is usually carried out on a blackboard or a drawing board, the manual erasing and the drawing are required after the drawing is finished, the classroom time is delayed, the teaching efficiency is influenced, the physical labor intensity of teachers is increased, and in addition, chalk dust is generated when the blackboard is erased, is dispersed in classrooms and is easily absorbed by the teachers and the students, and the physical health of the teachers and the students is damaged;
in the invention, by arranging the display belt 3, when learning and teaching in the process of mathematical drawing, students or teachers draw on the display belt 3 with chalk, after the drawing is finished, the motor 11 on the frame 1 is driven by the controller, so as to drive the rollers of the roller group to rotate, the display belt 3 sleeved outside the roller group is operated, one section of the display belt 3 with the drawing is rotated to the other side, the display belt 3 with the blank other side is rotated to the front of the students or teachers for the students or teachers to draw again, at the moment, the motor 11 is controlled by the controller to stop rotating, in the operation process of the display belt 3, the cleaning device and the dust collection cover 51 are arranged, when the display belt 3 is operated, the brush board 52 at the opening of the dust collection cover 51 is contacted with the display belt 3, and the two run relatively, the brush board 52 cleans the chalk dust on the display belt 3, the cleaned chalk dust falls scattered in the dust collection cover 51, the display belt cleaning device has the advantages that the display belt cleaning device is prevented from being dispersed in a classroom, the body health of teachers and students is further protected to be rotatably installed on the rack 1, when the display belt 3 needs to be automatically cleaned, the cleaning device is manually rotated to be in contact with the display belt 3, the display belt 3 is enabled to be cleaned through operation, the tightness of the contact between the cleaning device and the display belt 3 can be adjusted during rotation, the cleaning force is adjusted, when the content on the display belt 3 needs to be kept, the cleaning device is rotated to be separated from the display belt 3, the display belt 3 is not cleaned, the drawing content on the display belt 3 is kept, the display belt 3 can be conveniently cleaned according to the needs, and the display belt cleaning device is convenient to use;
according to the invention, by arranging the display belt 3, after drawing is completed, manual erasing is not needed, only one section with the drawn graph needs to be rotated away, and a blank section is rotated to the front of a student or a teacher, so that new drawing can be continued, the time for erasing a blackboard is saved, the teaching efficiency of a classroom is effectively improved, and by arranging the cleaning device, the outer surface of the display belt 3 is cleaned in the running process of the display belt 3, manual erasing is not needed, the physical strength of a drawing person is saved, the cleaning part is far away from the drawing person, chalk dust is not easy to be sucked by the student and the teacher, and the health of the student and the teacher is effectively guaranteed.
As an embodiment of the present invention, a tensioning device is installed on the machine frame 1, the tensioning device includes a first electric push rod 41, a push plate 42, a fixing plate 43 and a spring 44, one end of the first electric push rod 41 is fixed on the machine frame 1, the other end of the first electric push rod 41 is fixedly connected to the push plate 42, the roller set includes a tensioning roller 22, the fixing plate 43 is rotatably installed on a rotating shaft of the tensioning roller 22, the spring 44 is fixedly connected between the push plate 42 and the fixing plate 43, the motor 11 is used for driving the tensioning roller 22 on which the fixing plate 43 is installed, and the motor 11 is slidably installed on the machine frame 1; during the use, through setting up overspeed device tensioner, when rotating pendulum rod 12, the interval between each roller can change, the length of show area 3 is certain, when the tensile force on show area 3 increases, tensioning roller 22 is compressed, thereby make fixed plate 43 press to push pedal 42, thereby make spring 44 compressed, make the tensile force on show area 3 reduce, prevent that show area 3 from splitting, when the tensile force on show area 3 reduces, spring 44 elasticity resets, promote fixed plate 43, thereby promote tensioning roller 22, increase the tensile force of show area 3, make show area 3 tensioning outside the roller group, make when drawing more stable, when the turned angle of pendulum rod 12 is great, it is flexible to control first electric putter 41 through the controller, and then adjust the tensile force on show area 3, further protect show area 3.
As an embodiment of the present invention, swing rods 12 are disposed on two sides of the machine frame 1, one end of each swing rod 12 is rotatably connected to the machine frame 1, the roller set includes a pair of guide rollers 21, and the guide rollers 21 are rotatably mounted on the other end of each swing rod 12; when the device is used, the oscillating bar 12 is manually rotated by arranging the oscillating bar 12 and the guide roller 21 when the display area of the display system needs to be changed, so that the oscillating bar 12 rotates on the rack 1, the guide roller 21 on the oscillating bar 12 rotates around the rack 1, the area of the display belt 3 facing a drawing person is increased or reduced, when the oscillating bars 12 on the two sides of the rack 1 are collinear, the display area is the largest when the display belt 3 facing the drawing person is a whole plane, the tensioning device contracts to adjust the tensioning force of the display belt 3, so that a larger figure can be drawn, when the oscillating bars 12 on the two sides of the rack 1 are not collinear, the display belt 3 facing the drawing person is three planes, the tensioning device extends to adjust the tensioning force of the display belt 3, so that students sitting on the two sides in a classroom can conveniently watch the drawn figures, when the drawn figures are displayed to the students on the two sides, the display belt 3 is driven by the controller to operate, so that the figures are rotated to face one side of the classroom, thereby being convenient for students in the direction to study and understand and further improving the teaching effect in class.
As an embodiment of the present invention, a second electric push rod 14 is mounted on the swing rod 12; during the use, through installing second electric putter 14 on pendulum rod 12, when adjusting the tensile force of show area 3, can stretch out and draw back through second electric putter 14 on controller control pendulum rod 12, thereby adjust the tensioning degree of show area 3, and when the show, when through the extension of second electric putter 14 on controller control pendulum rod 12, the display area of display system both sides increases, when the shrink of second electric putter 14 on the pendulum rod 12 through the controller control, the display area of display system both sides reduces, thereby can show the demand and adjust the display area of display system both sides, be convenient for teacher or student use.
As an embodiment of the invention, the rotating shaft of each roller of the roller set is rotatably provided with a baffle plate 13 on the upper side and the lower side of the display belt 3; during the use, through setting up separation blade 13, when show area 3 operates, separation blade 13 carries out the position to show area 3 and prescribes a limit to, and the separation blade 13 of top prevents that show area 3 from the roll-out roller group in top, and separation blade 13 of below prevents that show area 3 from the roll-out roller group in below, ensures that show area 3 normally operates on the roller to the teachers and students of being convenient for draw.
As an embodiment of the present invention, a dust collecting pipe 53 is communicated with one side of the dust collecting cover 51 far from the opening, a filter screen 58 is fixedly installed at the communication position, a fan blade 54 is rotatably connected in the dust collecting pipe 53, an opening is formed at the bottom of the dust collecting pipe 53, and a rotating shaft of the fan blade 54 is in transmission connection with the motor 11 through a belt; when the dust collecting tube 53 is used, when the display belt 3 runs, the motor 11 drives the fan blades 54 to rotate through the belt, the fan blades 54 rotate to accelerate air flow in the dust collecting tube 53, after the air flow in the dust collecting tube 53 is accelerated, the pressure in the dust collecting tube 53 is reduced, and the dust collecting tube 53 is communicated with the dust collection cover 51, so that negative pressure is formed in the dust collection cover 51 to suck chalk dust brushed by the brush plate 52, the chalk dust is sucked in the dust collection cover 51, the filter screen 58 enables the chalk dust to be blocked in the dust collection cover 51, and air is discharged from an opening at the bottom of the dust collecting tube 53 through the filter screen 58, so that the chalk dust is further controlled, is prevented from being diffused outside the dust collection cover 51, the dust collecting effect is improved, the air quality in a classroom is improved, and the health of teachers is protected.
As an embodiment of the invention, a liquid storage bottle 55 is fixedly connected to the frame 1, water is filled in the liquid storage bottle 55, a sponge strip 56 is arranged in the dust collection cover 51, the lower end of the sponge strip 56 is fixedly connected with the inner wall of the dust collection cover 51, and the upper end of the sponge strip 56 is communicated with the bottom of the bottle from the bottle opening of the liquid storage bottle 55 and soaked in the water; when the dust collector is used, the liquid storage bottle 55 and the sponge strip 56 are arranged, when the display belt 3 runs, the brush board 52 is in contact with the display belt 3 to brush off the chalk dust on the display belt 3, the chalk dust dispersed in the dust collection cover 51 is in contact with the sponge strip 56, water on the sponge strip 56 adsorbs the chalk dust to reduce the dust, the chalk dust is further reduced to be dispersed into the outside air, the body health of teachers and students is protected, when the water in the sponge strip 56 is insufficient, because the top end of the sponge strip 56 extends to the upper end of the liquid storage bottle 55 and extends to the inside of the liquid storage bottle 55 through the upper end of the liquid storage bottle 55, under the capillary action, the sponge strip 56 sucks water from the liquid storage bottle 55 due to the capillary action, so that the sponge strip 56 is soaked by the water, thereby guarantee clean effect, teachers and students regularly clear up the chalk dust on the sponge strip 56, guarantee the dust fall effect of sponge strip 56, and then the teachers and students of being convenient for draw.
As an embodiment of the invention, a partition board is fixedly connected inside the liquid storage bottle 55, the partition board divides the liquid storage bottle 55 into a left chamber and a right chamber, the upper ends of 56 sponges are communicated with the left chamber, the top of the right chamber is in threaded connection with a sealing plug, the right chamber of the liquid storage bottle 55 is close to one side of the tensioning roller, the right chamber is communicated with the middle section of the sponge bar 56 through a pipeline, a one-way valve is fixedly installed in the pipeline, the liquid storage bottle 55 is made of flexible plastic, the top end of a rotating shaft of the tensioning roller 22 is fixedly connected with a cam 57, and the far end of the cam 57 can extrude the liquid storage bottle 55; when the showing belt 3 is in use, the cam 57 is arranged, when the showing belt 3 runs, the cam 57 rotates, the far end of the cam 57 is in contact with the liquid storage bottle 55 and presses the right cavity of the liquid storage bottle 55, so that water in the right cavity of the liquid storage bottle 55 is pressed to the middle section of the sponge strip 56, the one-way valve is opened at the moment, the position below the position is far away from the liquid storage bottle 55, less water is absorbed through capillary action, when the near end of the cam 57 turns to the liquid storage bottle 55, the one-way valve is not in contact with the liquid storage bottle 55, the one-way valve is closed at the moment, the liquid storage bottle 55 recovers deformation, negative pressure is formed inside the liquid storage bottle 55, under the action of the negative pressure, the sealing plug which is communicated in one way is opened, outside air is sucked into the liquid storage bottle 55, the pressure inside the liquid storage bottle 55 is further balanced with the outside air pressure, and the liquid storage bottle 55 can generate periodic deformation by matching with the periodic movement of the cam 57, so that the sponge strip 56 is periodically supplied with water, when the water in the stock solution bottle 55 is not enough, open the sealing plug and add water in to stock solution bottle 55, twist the sealed right cavity of sealing plug to it has sufficient water to further ensure to soak on the sponge strip 56, guarantees cleaning device's clean effect, and the teachers and students of being convenient for draw.
The specific working process is as follows:
by arranging the display belt 3, when learning and teaching in the process of drawing mathematics, students or teachers draw images on the display belt 3 with chalk, after the images are drawn, the motor 11 on the rack 1 is driven by the controller, so that the rollers of the roller group are driven to rotate, the display belt 3 sleeved on the outer side of the roller group is operated, one section of the display belt 3 with the images is rotated to the other side, the display belt 3 with the blank other side is rotated to the front of the students or teachers for the students or teachers to draw images again, the motor 11 is controlled by the controller to stop rotating, in the operation process of the display belt 3, the cleaning device and the dust collection cover 51 are arranged, when the display belt 3 is operated, the brush board 52 at the opening of the dust collection cover 51 is contacted with the display belt 3, and the two run relatively, the brush board 52 cleans chalk dust on the display belt 3, and the cleaned chalk dust is scattered in the dust collection cover 51, the display belt cleaning device has the advantages that the display belt cleaning device is prevented from being dispersed in a classroom, the body health of teachers and students is further protected to be rotatably installed on the rack 1, when the display belt 3 needs to be automatically cleaned, the cleaning device is manually rotated to be in contact with the display belt 3, the display belt 3 is rotated to be cleaned, the contact tightness between the cleaning device and the display belt 3 can be adjusted during rotation, so that the cleaning force is adjusted, when the content on the display belt 3 needs to be kept, the cleaning device is rotated to be separated from the display belt 3, the display belt 3 is not cleaned, the drawing content on the display belt 3 is kept, and the display belt 3 is convenient to clean as required; through setting up overspeed device tensioner, when rotating pendulum rod 12, the interval between each roller can change, the length of show area 3 is certain, when the tensile force on show area 3 increases, tensioning roller 22 is compressed, thereby make fixed plate 43 press to push pedal 42, thereby make spring 44 compressed, make the tensile force on show area 3 reduce, prevent that show area 3 from splitting, when the tensile force on show area 3 reduces, spring 44 elasticity resets, promote fixed plate 43, thereby promote tensioning roller 22, increase the tensile force of show area 3, make show area 3 tensioning outside the roller group, make when drawing more stable, when the turned angle of pendulum rod 12 is great, through the flexible of first electric putter 41 of controller control, and then adjust the tensile force on show area 3.
The front, the back, the left, the right, the upper and the lower are based on the observation angle of the person, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in fig. 1, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be taken as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a mathematics drawing study and display system for teaching which characterized in that includes:
the device comprises a rack (1), wherein a motor (11) is mounted on the rack (1);
each roller of the roller group is vertically and rotatably arranged on the rack (1), and the motor (11) is used for driving the rollers of the roller group to rotate;
the display belt (3) is sleeved on the outer side of the roller group;
a cleaning device mounted on the frame (1), said cleaning device being in contact with the outside of the display tape (3), said cleaning device being intended to clean the display tape (3);
and the controller is used for controlling the operation of the display system for mathematical drawing learning and teaching.
2. The mathematical drawing learning and teaching display system of claim 1, wherein: frame (1) both sides are provided with pendulum rod (12), pendulum rod (12) one end with frame (1) rotates to be connected, the roller group includes a pair of deflector roll (21), deflector roll (21) rotate to be installed the other end of pendulum rod (12).
3. The mathematical drawing learning and teaching display system of claim 2, wherein: and a second electric push rod (14) is arranged on the swing rod (12).
4. The mathematical drawing learning and teaching display system of claim 3, wherein: install overspeed device tensioner on frame (1), overspeed device tensioner includes first electric putter (41), push pedal (42), fixed plate (43) and spring (44), first electric putter (41) one end is fixed in frame (1), the other end and push pedal (42) of first electric putter (41) link firmly, the roller group includes tensioning roller (22), fixed plate (43) are rotated and are installed in the pivot of tensioning roller (22), spring (44) link firmly push pedal (42) with between fixed plate (43), motor (11) are used for the drive to install fixed plate (43) tensioning roller (22), motor (11) slidable mounting be in frame (1).
5. The mathematical drawing learning and teaching display system of claim 4, wherein: and blocking pieces (13) are rotatably arranged on the upper side and the lower side of the display belt (3) on the rotating shaft of each roller of the roller group.
6. The mathematical drawing learning and teaching display system as claimed in any one of claims 1-5, wherein: the cleaning device is rotatably arranged on the frame (1).
7. The mathematical drawing learning and teaching display system of claim 6, wherein: the cleaning device comprises a dust hood (51), the upper end and the lower end of the dust hood (51) are rotatably connected to the rack (1) through lantern rings, the dust hood (51) is located on one roller side of the roller group, a gap is reserved between the dust hood (51) and the roller, the display belt (3) penetrates through the gap between the dust hood (51) and the roller group, an opening of the dust hood (51) faces the display belt (3), a brush plate (52) is arranged at the opening, and the brush plate (52) is in contact with the outer surface of the display belt (3).
8. The mathematical drawing learning and teaching display system of claim 7, wherein: the dust hood (51) is communicated with a dust collecting pipe (53) at one side far away from the opening, a filter screen (58) is fixedly mounted at the communication position, a fan blade (54) is connected in the dust collecting pipe (53) in a rotating mode, the bottom of the dust collecting pipe (53) is provided with an opening, and a rotating shaft of the fan blade (54) is in transmission connection with the motor (11) through a belt.
9. The mathematical drawing learning and teaching display system of claim 8, wherein: the dust collection cover is characterized in that a liquid storage bottle (55) is fixedly connected to the rack (1), water is filled in the liquid storage bottle (55), a sponge strip (56) is arranged inside the dust collection cover (51), the lower end of the sponge strip (56) is fixedly connected with the inner wall of the dust collection cover (51), and the upper end of the sponge strip (56) is soaked in the water from the bottle opening of the liquid storage bottle (55) to the bottle bottom.
10. The mathematical drawing learning and teaching display system of claim 9, wherein: stock solution bottle (55) inside has linked firmly the baffle, left cavity and right cavity are cut apart into with stock solution bottle (55) to the baffle, the upper end of sponge strip (56) accesss to left side cavity, right side cavity top threaded connection has the sealing plug, the right cavity of stock solution bottle (55) is close to tensioning roller (22) one side, right side cavity pass through the pipeline with sponge strip (56) middle section intercommunication, fixed mounting has the check valve in the pipeline, stock solution bottle (55) are made for flexiplast, cam (57) have been linked firmly on the pivot top of tensioning roller (22), the distal end of cam (57) can be right stock solution bottle (55) produce the extrusion.
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| CN202210025441.1A CN114211900B (en) | 2022-01-11 | 2022-01-11 | Demonstration system for mathematics drawing learning and teaching |
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| CN202210025441.1A CN114211900B (en) | 2022-01-11 | 2022-01-11 | Demonstration system for mathematics drawing learning and teaching |
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| CN114211900A true CN114211900A (en) | 2022-03-22 |
| CN114211900B CN114211900B (en) | 2023-04-25 |
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| CN114211900B (en) | 2023-04-25 |
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