CN209851896U - Novel intelligence podium of giving lessons - Google Patents

Abstract

The utility model relates to the field of teaching tools, and discloses a novel intelligent teaching platform, which comprises an intelligent blackboard (100) and an intelligent stepping platform (200), wherein an upper mounting plate (103) is fixed at the upper end of the intelligent teaching platform, two sides of a board body (101) are provided with a supporting shell (104) which is connected with the upper mounting plate (103) and a base (102), the front side of the board body (101) is just opposite to a blackboard eraser assembly, the blackboard eraser assembly comprises a blackboard eraser fixing rod (105) which is arranged along the width direction of the board body (101) and has the same width with the board body (101), and two ends of the blackboard eraser fixing rod (105) are provided with a; the blackboard eraser fixing rod (105) is driven by the horizontal moving assembly to transversely press the blackboard. This intelligent lecture podium not only can carry out the operation of erasing to the blackboard, can adsorb the raise dust at the in-process of erasing moreover, reduces the raise dust and to mr and the healthy injury of student. And the utility model discloses a setting of rivers can also clean the blackboard.

Description

Novel intelligence podium of giving lessons

Technical Field

The utility model relates to a teaching podium field has especially related to a novel intelligence podium of giving lessons.

Background

With the development of modern technology, teaching modes are diversified, and more schools adopt multimedia classrooms. The multimedia classroom has the unique advantages that matching can be adopted, teaching contents are wonderful, and teachers can avoid troubles caused by chalk dust, but the teaching mode exists, the teaching contents are empty, and students cannot learn knowledge in the learning process because all knowledge cannot be used for making a book. Therefore, the traditional platform still has the living space of the platform, but the teaching platform has the defects that the dust is large, time and labor are wasted, the blackboard is difficult to clean, and particularly, the blackboard is large or high when being cleaned. Moreover, due to the difference of statures of each teacher and each student, when the teacher and the students write on the blackboard, the maximum heights of the students can be different from each other, and the students write on the blackboard to form an optimal watching area, so that some teachers can select to write with great heads for writing higher, and the process of writing like this is more harmful to the teachers and is more strenuous.

SUMMERY OF THE UTILITY MODEL

The utility model discloses shortcoming to be used for the marking appearance to exist among the prior art provides a novel intelligence podium of giving lessons.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a novel intelligent teaching platform comprises an intelligent blackboard and an intelligent stepping platform, wherein the intelligent blackboard comprises a board body, the lower end of the board body is fixed on a base at the bottom, an upper mounting plate is fixed at the upper end of the board body, two sides of the board body are provided with supporting shells for connecting the upper mounting plate and the base, the front surface of the board body is just opposite to a blackboard eraser assembly, the blackboard eraser assembly comprises a blackboard eraser fixing rod which is arranged along the width direction of the board body and has the same width as the board body, and two ends of the blackboard eraser fixing rod are provided; the blackboard eraser moving mechanism comprises a driving mechanism and a driven driving mechanism, the driving mechanism is arranged in a supporting shell on one side of the board body, and the driven driving mechanism is arranged in a supporting shell on the other side of the board body; the active driving mechanism comprises an adjusting screw rod and a height adjusting plate arranged on the adjusting screw rod, the adjusting screw rod is driven to rotate by a first motor arranged on the upper mounting plate, first guide shafts are arranged on two sides of the adjusting screw rod, the upper end and the lower end of each first guide shaft are respectively and correspondingly fixedly connected with the upper mounting plate and the base, and the first guide shafts are in sliding fit with linear bearings arranged in the height adjusting plate; a blackboard eraser transverse adjusting mechanism is fixed on the height adjusting plate and comprises a first casing which is transversely arranged, a sliding guide cavity is formed in the first casing, a sliding shaft is arranged in the sliding guide cavity, one end of the sliding shaft is arranged in the sliding guide cavity, the other end of the sliding shaft penetrates out of the sliding guide cavity and is fixedly connected with one end of a blackboard eraser fixing rod, and connecting seats used for being fixedly connected with the sliding shaft are arranged at two ends of the blackboard eraser fixing rod; one end of the sliding shaft, which is positioned in the sliding guide cavity, is provided with a baffle seat, and the baffle seat is in sealing fit with the sliding guide cavity; a return spring is sleeved on the sliding shaft, one end of the return spring is fixedly connected with the baffle seat, the other end of the return spring is fixedly connected with one end of the sliding guide cavity close to the blackboard eraser fixing rod, an electromagnet is arranged at the bottom of the sliding guide cavity, and a guide groove for the sliding shaft to move up and down is formed in the front end face of the supporting shell; the driven driving mechanism comprises a second guide shaft, the upper end of the second guide shaft is fixedly connected with the upper mounting plate, the lower end of the second guide shaft is fixedly connected with the base, a second height adjusting plate is fixed on the second guide shaft, a second blackboard eraser transverse adjusting mechanism is arranged on the second height adjusting plate, and the second blackboard eraser transverse adjusting mechanism are identical in structure; the blackboard eraser fixing rod is provided with a blackboard eraser mounting block at one side close to a blackboard, the middle part of the blackboard eraser fixing rod is provided with an ash suction groove notch along the length direction of the rod, the opening of the ash suction groove notch is arranged on the side face of the blackboard eraser fixing rod close to the blackboard body, and the ash suction groove notch forms a dust suction cavity communicated with connecting seats at two ends of the blackboard eraser fixing rod in the middle part of the blackboard eraser fixing rod.

Preferably, a dust collection box is arranged on the back of the base, a dust collection pipe of the dust collection box is communicated with the dust collection cavity, a dust collection fan is arranged on the dust collection box and provides negative pressure for the dust collection cavity through the dust collection pipe, a water storage pipe is arranged on the lower end face of the upper mounting plate and is arranged on the front end face of the plate body in the width direction of the plate body, a water tank is arranged on the back of the base, a water pump is arranged at the upper end of the upper mounting plate, a water outlet pipe of the water pump is communicated with the water storage pipe, a water inlet pipe of the water pump is communicated; the curb plate of support housing fixes on the side of plate body and extends the preceding terminal surface that surpasss the plate body, and the up end of base is provided with the bounding wall, encloses into the retaining passageway between the support housing of bounding wall and plate body, plate body both sides, and the retaining passageway is close to the one end of water tank and is provided with the backward flow hole, and the backward flow hole communicates to the water tank through the pipeline, is provided with the filtration filter core in the water tank, the bottom surface of retaining passageway reduces to the one end slope gradually of backward flow hole.

Preferably, the intelligent collapse table comprises a bottom mounting base, a support assembly is arranged on the upper end face of the mounting base, a collapse table body is arranged on the upper end face of the support assembly, the number of the support assemblies is four, the support assemblies are distributed at four corners of the collapse table body, each support assembly comprises an external support sleeve, each support sleeve is fixedly connected with the collapse table body, an adjusting rod for adjusting the height of the collapse table body is arranged in each support sleeve, a first support table is arranged in the middle of each support sleeve and fixedly connected with the inner side face of each support sleeve, fan-shaped channel grooves are formed in each first support table, the number of the channel grooves is 3, connecting arms for separating adjacent channel grooves are arranged in each support sleeve, and a height adjusting mechanism is arranged inside each support sleeve; the height adjusting mechanism comprises a screw rod, the upper end of the screw rod is rotatably connected with a first supporting platform through a bearing, the other end of the screw rod is rotatably connected with a second supporting platform arranged in a supporting sleeve, an installation round platform is matched on the screw rod and is connected with an adjusting rod, the cross section of the adjusting rod is matched with the cross section of the first supporting platform, a guide groove is formed in the adjusting rod, the guide groove is arranged along the length direction of the adjusting rod, the adjusting rod penetrates through a channel groove, and a connecting arm falls into the guide groove; one end of the screw rod, which penetrates through the second supporting table, is an optical axis, the optical axis is connected with the bottom plate through a bearing, a first bevel gear is coaxially arranged on the optical axis, the first bevel gear is connected with a first power part, the first power part comprises a second motor, the second motor is coaxially connected with a driving shaft, four side surfaces of the mounting base are respectively provided with a mounting cavity, the bottom surface of the optical axis is connected with the bottom surface of the mounting cavity through a bearing, one end of the driving shaft is connected with the second motor, the other end of the driving shaft is connected with the side surface of the mounting cavity through a bearing, two second bevel gears are arranged on the driving shaft, and the two second bevel gears are; one end of the driving shaft penetrates through the side face of the mounting cavity and is connected with a first bevel gear reduction box in an adjacent mounting cavity, a second bevel gear reduction box is arranged at the other end of the adjacent mounting cavity, a linkage shaft is connected between the first bevel gear reduction box and the second bevel gear reduction box, the output end of the second bevel gear reduction box is connected with a driven shaft, a second bevel gear is arranged on the driven shaft, the driven shaft drives the other two first bevel gears to rotate through the second bevel gear, the reduction ratio of the first bevel gear reduction box to the second bevel gear reduction box is 1:1, an infrared ranging module is arranged on the upper end face of the mounting base, and the infrared ranging module is.

Preferably, a curtain component is further arranged below the upper mounting plate and comprises a curtain motor and a curtain rolling shaft, and the curtain rolling shaft is connected with the curtain motor and driven to rotate by the curtain motor; the front side surface of the supporting shell is provided with a first switch for controlling the forward rotation or reverse rotation of the first motor, a second switch for controlling the forward rotation or reverse rotation of the second motor and a curtain motor for controlling the forward rotation or reverse rotation of the curtain motor.

The utility model discloses owing to adopted above technical scheme, have following apparent technological effect:

the utility model discloses an intelligence podium of giving lessons not only can carry out the operation of erasing to the blackboard, can adsorb the raise dust at the in-process of erasing moreover, reduces the injury that the raise dust is healthy to mr and student. And the utility model discloses a setting of rivers can also be cleaned the blackboard, and water jet is on the blackboard, then flows downwards along the blackboard, cleans the face of whole blackboard, has advantages such as clean thoroughly, can adopt clean blackboard eraser to carry out the secondary to the blackboard moreover and clean. The rivers after the cleanness flow into the backward flow hole to the bottom, and the backward flow hole flows into water tank cyclic utilization after filtering sewage to the sustainability and the feature of environmental protection of whole washing process have been guaranteed. Meanwhile, when the device is required to be thrown in a classroom, the throwing curtain is blocked at the front side of the blackboard, so that the using area of the wall surface of the classroom is saved.

The stepping platform adopted in the classroom has the advantages of being capable of ascending and descending, good in synchronism of the whole ascending and descending process, stable in support, built-in type of the whole ascending and descending assembly, long in service life, stable in adjustment and the like, and the ascending and descending assembly is adjusted in a bevel gear meshing transmission mode. The lifting power source is provided for a single source, so the cost is lower and the control is more convenient. Motor, drive assembly set up the inboard at the installation base to guaranteed that motor and drive assembly can not receive external injury, prolonged the life of whole device.

Drawings

FIG. 1 is a schematic view of the overall structure of the apparatus;

FIG. 2 is a schematic view of the overall structure of the apparatus;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a cross-sectional view from the perspective of FIG. 4A-A;

FIG. 6 is a cross-sectional view taken from the perspective of FIG. 4B-B;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a cross-sectional view at the perspective of FIGS. 4C-C;

FIG. 9 is a front view of FIG. 1;

FIG. 10 is a cross-sectional view taken from the perspective of D-D of FIG. 9;

FIG. 11 is an enlarged partial view of FIG. 10;

FIG. 12 is a schematic structural view of the support assembly;

fig. 13 is a schematic view of the fig. 12 structure with the support sleeve removed.

The names of the parts indicated by the numerical references in the above figures are as follows: wherein, 100-intelligent blackboard, 2-intelligent pedal, 101-board, 102-base, 103-upper mounting plate, 104-support shell, 105-blackboard eraser fixing rod, 106-adjusting screw rod, 107-height adjusting plate, 108-first motor, 109-first guide shaft, 110-first machine shell, 111-sliding guide cavity, 112-sliding shaft, 113-connecting seat, 114-baffle seat, 115-return spring, 117-electromagnet, 118-guide groove, 119-second guide shaft, 120-blackboard eraser mounting block, 121-dust suction groove notch, 122-dust suction cavity, 123-dust collection box, 124-dust suction pipe, 125-dust suction fan, 126-water storage pipe, 127-water tank, 128-water pump, 129-spray head, 130-coaming, 131-water storage channel, 132-return hole, 201-mounting seat, 202-support component, 203-pedal body, 204-support sleeve, 205-adjusting rod, 206-first support platform, 206-support platform body, 204-support sleeve, 205-support rod, and 100-support platform, 207 a channel groove, 208 a connecting arm, 209 a screw rod, 210 an installation round table, 211 a guide groove, 212 an optical axis, 213 a first bevel gear, 214 a second motor, 215 a driving shaft, 216 an installation cavity, 217 a second bevel gear, 218 a first bevel gear reduction box, 219 a second bevel gear reduction box, 220 a linkage shaft, 221 an infrared distance measurement module, 222 a curtain motor and 223 a curtain roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1 to 13, a novel intelligent lecture platform comprises an intelligent blackboard 100 and an intelligent stepping platform 200, wherein the intelligent blackboard 100 comprises a board body 101, the lower end of the board body 101 is fixed on a base 102 at the bottom, the upper end of the board body 101 is fixed with an upper mounting plate 103, two sides of the board body 101 are provided with supporting shells 104 which are connected with the upper mounting plate 103 and the base 102, the front of the board body 101 is provided with a blackboard eraser assembly, the blackboard eraser assembly comprises a blackboard eraser fixing rod 105 which is arranged along the width direction of the board body 101 and has the same width as the board body 101, and two ends of the blackboard eraser fixing rod 105; the blackboard eraser moving mechanism comprises a driving mechanism and a driven driving mechanism, the driving mechanism is arranged in the supporting shell 104 on one side of the board body 101, and the driven driving mechanism is arranged in the supporting shell 104 on the other side of the board body 101; the active driving mechanism comprises an adjusting screw 106 and a height adjusting plate 107 arranged on the adjusting screw 106, the adjusting screw 106 is driven to rotate by a first motor 108 arranged on the upper mounting plate 103, the first motor 108 is arranged on the upper end surface of the upper mounting plate 103, first guide shafts 109 are arranged on two sides of the adjusting screw 106, the upper end and the lower end of each first guide shaft 109 are respectively and correspondingly fixedly connected with the upper mounting plate 103 and the base 102, and the first guide shafts 109 are in sliding fit with linear bearings arranged in the height adjusting plate 107; a horizontal blackboard eraser adjusting mechanism is fixed on the height adjusting plate 107 and comprises a first casing 110 which is transversely arranged, a sliding guide cavity 111 is formed in the first casing 110, a sliding shaft 112 is arranged in the sliding guide cavity 111, one end of the sliding shaft 112 is arranged in the sliding guide cavity 111, the other end of the sliding shaft 112 penetrates through the sliding guide cavity 111 and is fixedly connected with one end of a blackboard eraser fixing rod 105, and connecting seats 113 which are fixedly connected with the sliding shaft 112 are arranged at two ends of the blackboard eraser fixing rod 105; a blocking seat 114 is arranged at one end of the sliding shaft 112, which is positioned in the sliding guide cavity 111, the blocking seat 114 is in sealing fit with the sliding guide cavity 111, the blocking seat 114 is made of stainless steel, a return spring 115 is sleeved on the sliding shaft 112, one end of the return spring 115 is fixedly connected with the blocking seat 114, the other end of the return spring 115 is fixedly connected with one end of the sliding guide cavity 111, which is close to the blackboard eraser fixing rod 105, an electromagnet 117 is arranged at the bottom of the sliding guide cavity 111, and a guide groove 118 for the sliding shaft 112 to move up and down is formed in the front end; the driven driving mechanism comprises a second guide shaft 119, the upper end of the second guide shaft 119 is fixedly connected with the upper mounting plate 103, the lower end of the second guide shaft 119 is fixedly connected with the base 102, a second height adjusting plate 107 is fixed on the second guide shaft 119, a second blackboard eraser transverse adjusting mechanism is arranged on the second height adjusting plate 107, and the second blackboard eraser transverse adjusting mechanism are identical in structure; when the electromagnet 117 is electrified, the electromagnet 117 adsorbs the blocking seat 114 to move towards the blocking seat and pulls through the return spring 115, the sliding shaft 112 drives the blackboard eraser fixing rod 105 to move towards the blackboard surface, so that the blackboard eraser is attached to the blackboard, then the adjusting screw rod 106 drives the height adjusting plate 106 to move up and down, and meanwhile the blackboard eraser fixing rod 105 is driven to move up and down to wipe the blackboard. The blackboard eraser fixing rod 105 is provided with a blackboard eraser mounting block 120 at one side close to a blackboard, the middle part of the blackboard eraser fixing rod 105 is provided with a dust suction groove notch 121 along the length direction of the rod, the opening of the dust suction groove notch is arranged on the side surface of the blackboard eraser fixing rod 105 close to the plate body 101, and the dust suction groove notch forms a dust suction cavity 122 communicated with connecting seats 113 at two ends of the dust suction groove notch in the middle part of the blackboard eraser fixing rod 105. The blackboard eraser mounting block 120 is internally provided with a mounting cavity, the whole mounting cavity is in a dovetail design, and the blackboard eraser body penetrates through the side surface of the mounting cavity through a bolt to fix the eraser body in the mounting cavity. The front end of the whole wiper body is formed into an arc shape with two ends concave to the middle part, so that the dust absorption groove notch 121 in the middle part can absorb dust conveniently. In order to facilitate the absorption of the dust absorption groove opening 121 to the dust, the connecting seats 113 at the two ends of the blackboard eraser fixing rod 105 are provided with dust absorption openings facing the end surface of the blackboard, and the dust absorption openings are communicated with the dust washing cavity 122, so that the absorption of the dust scattered at the two sides of the blackboard eraser fixing rod 105 can be realized.

A dust collection box 123 is arranged on the back of the base 102, a dust collection pipe 124 of the dust collection box 123 is communicated with the dust collection cavity 122, a dust collection fan 125 is arranged on the dust collection box 123, the dust collection fan 125 provides negative pressure for the dust collection cavity 122 through the dust collection pipe 124, a water storage pipe 126 is arranged on the lower end face of the upper mounting plate 103, the water storage pipe 126 is arranged on the front end face of the plate body 101 along the width direction of the plate body 101, a water tank 127 is arranged on the back of the base 102, a water pump 128 is arranged on the upper end of the upper mounting plate 103, a water outlet pipe of the water pump 128 is communicated with the water storage pipe 126, a water inlet pipe of the water pump; the curb plate of support housing 104 is fixed on the side of plate body 101 and is extended beyond the preceding terminal surface of plate body 101, and the up end of base 102 is provided with bounding wall 130, encloses into retaining channel 131 between the support housing 104 of bounding wall 130 and plate body 101, plate body 101 both sides, and retaining channel 131 is close to the one end of water tank 127 and is provided with return opening 132, and return opening 132 communicates to water tank 127 through the pipeline, is provided with the filtration filter core in the water tank 127, the bottom surface of retaining channel 131 reduces gradually for the inclined plane and to the one end of return opening 132.

The intelligent stepping platform 200 comprises a mounting seat 201 at the bottom, a support assembly 202 is arranged on the upper end face of the mounting seat 201, a collapse platform body is arranged on the upper end face of the support assembly 202, the number of the support assemblies 202 is four, the four support assemblies are distributed at four corners of the collapse platform body, the support assembly 202 comprises an external support sleeve 204, the support sleeve 204 is fixedly connected with the collapse platform body, an adjusting rod 205 used for adjusting the height of the collapse platform body is arranged in the support sleeve 204, a first support platform 206 is arranged in the middle of the support sleeve 204, the first support platform 206 is fixedly connected with the inner side face of the support sleeve 204, a fan-shaped channel groove 207 is arranged on the first support platform 206, the number of the channel grooves 207 is 3, a connecting arm 208 is used for separating the adjacent channel grooves 207, and a height adjusting mechanism; the height adjusting mechanism comprises a screw 209, the upper end of the screw 209 is rotatably connected with a first supporting platform 206 through a bearing, the other end of the screw 209 is rotatably connected with a second supporting platform arranged in a supporting sleeve 204, a mounting circular platform 210 is matched on the screw 209, the mounting circular platform 210 is connected with an adjusting rod 205, the cross section of the adjusting rod 205 is matched with that of the first supporting platform 206, a guide groove 211 is formed in the adjusting rod 205, the guide groove 211 is arranged along the length direction of the adjusting rod 205, the adjusting rod 205 penetrates through a channel groove 207, and a connecting arm 208 falls into the guide groove 211; one end of the screw 209 penetrating through the second support platform is an optical axis 212, the optical axis 212 is connected with the bottom plate through a bearing, a first bevel gear 213 is coaxially arranged on the optical axis 212, the first bevel gear 213 is connected with a first power part, the first power part comprises a second motor 214, the second motor 214 is coaxially connected with a driving shaft 215, four side surfaces of the mounting seat 201 are respectively provided with a mounting cavity 216, the bottom surface of the optical axis 212 is connected with the bottom surface of the mounting cavity 216 through a bearing, one end of the driving shaft 215 is connected with the second motor 214, the other end of the driving shaft 215 is connected with the side surface of the mounting cavity 216 through a bearing, two second bevel gears 217 are arranged on the driving shaft 215, and the two second bevel gears 217 are respectively meshed with the two; one end of the driving shaft 215 penetrates through the side face of the mounting cavity 216 and is connected with a first bevel gear reduction box 218 in the adjacent mounting cavity 216, a second bevel gear reduction box 219 is arranged at the other end of the adjacent mounting cavity 216, a linkage shaft 220 is connected between the first bevel gear reduction box 218 and the second bevel gear reduction box 219, the output end of the second bevel gear reduction box 219 is connected with a driven shaft 225, the driven shaft 225 is arranged in parallel with the driving shaft 215, the linkage shaft 220 is perpendicular to the driving shaft 215, a second bevel gear 217 is arranged on the driven shaft 225, the driven shaft 225 drives the other two first bevel gears 213 to rotate through the second bevel gear 217, the reduction ratio of the first bevel gear reduction box 218 to the second bevel gear reduction box 219 is 1:1, an infrared distance measuring module 221 is arranged on the upper end face of the mounting.

A curtain component is also arranged below the upper mounting plate 103 and comprises a curtain motor 222 and a curtain roller 223, and the curtain roller 223 is connected with the curtain motor 222 and is driven to rotate by the curtain motor 222; the front side surface of the supporting shell 104 is provided with a first switch for controlling the forward rotation or the reverse rotation of the first motor 108, a second switch for controlling the forward rotation or the reverse rotation of the second motor 214 and a curtain motor 222 for controlling the forward rotation or the reverse rotation of the curtain motor 222; the display screen is fixedly arranged on the side face of the supporting shell 104 and used for displaying data measured by the infrared ranging module 221, and therefore people can conveniently judge the height of the infrared ranging module. The first motor 108, the second motor 214 and the curtain motor 222 are all servo motors.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims (4)

1. The utility model provides a novel intelligence podium of giving lessons, includes intelligent blackboard (100) and intelligent platform (200) of stepping on, its characterized in that: the intelligent blackboard (100) comprises a blackboard body (101), the lower end of the blackboard body (101) is fixed on a base (102) at the bottom, an upper mounting plate (103) is fixed at the upper end of the blackboard body, two sides of the blackboard body (101) are provided with supporting shells (104) which are connected with the upper mounting plate (103) and the base (102), the front surface of the blackboard body (101) is just opposite to a blackboard eraser assembly, the blackboard eraser assembly comprises a blackboard eraser fixing rod (105) which is arranged along the width direction of the blackboard body (101) and has the same width with the blackboard body (101), and two ends of the blackboard eraser fixing rod (105; the blackboard eraser moving mechanism comprises a driving mechanism and a driven driving mechanism, the driving mechanism is arranged in a supporting shell (104) on one side of a board body (101), and the driven driving mechanism is arranged in the supporting shell (104) on the other side of the board body (101); the active driving mechanism comprises an adjusting screw rod (106) and a height adjusting plate (107) arranged on the adjusting screw rod (106), and the adjusting screw rod (106) is driven to rotate by a first motor (108) arranged on the upper mounting plate (103); a blackboard eraser transverse adjusting mechanism is fixed on the height adjusting plate (107), the blackboard eraser transverse adjusting mechanism comprises a first casing (110) which is transversely arranged, a sliding guide cavity (111) is formed in the first casing (110), a sliding shaft (112) is arranged in the sliding guide cavity (111), one end of the sliding shaft (112) is arranged in the sliding guide cavity (111), the other end of the sliding shaft penetrates through the sliding guide cavity (111) and is fixedly connected with one end of a blackboard eraser fixing rod (105), and connecting seats (113) used for being fixedly connected with the sliding shaft (112) are arranged at two ends of the blackboard eraser fixing rod (105); one end of the sliding shaft (112) positioned in the sliding guide cavity (111) is provided with a baffle seat (114), and the baffle seat (114) is in sealing fit with the sliding guide cavity (111); a return spring (115) is sleeved on the sliding shaft (112), one end of the return spring (115) is fixedly connected with the blocking seat (114), the other end of the return spring is fixedly connected with one end, close to the blackboard eraser fixing rod (105), of the sliding guide cavity (111), an electromagnet (117) is arranged at the bottom of the sliding guide cavity (111), and a guide groove (118) used for enabling the sliding shaft (112) to move up and down is formed in the front end face of the supporting shell (104); the driven driving mechanism comprises a second guide shaft (119), the upper end of the second guide shaft (119) is fixedly connected with the upper mounting plate (103), the lower end of the second guide shaft is fixedly connected with the base (102), a second height adjusting plate (107) is fixed on the second guide shaft (119), a second blackboard eraser transverse adjusting mechanism is arranged on the second height adjusting plate (107), and the second blackboard eraser transverse adjusting mechanism are identical in structure; a blackboard eraser mounting block (120) is arranged on one side, close to a blackboard, of the blackboard eraser fixing rod (105), a dust suction groove notch (121) along the length direction of the rod is formed in the middle of the blackboard eraser fixing rod (105), an opening of the dust suction groove notch is formed in the side face, close to the plate body (101), of the blackboard eraser fixing rod (105), and a dust suction cavity (122) communicated with connecting seats (113) at two ends of the dust suction groove notch is formed in the middle of the blackboard eraser fixing rod (105); a mounting cavity is arranged in the blackboard eraser mounting block (120), the whole mounting cavity is in a dovetail design, and the blackboard eraser body penetrates through the side surface of the mounting cavity through a bolt to fix the eraser body in the mounting cavity; the front end of the whole wiping body forms an arc shape with two concave ends towards the middle part.

2. The novel intelligent lecture platform according to claim 1, wherein: a dust collection box (123) is arranged on the back of the base (102), a dust collection pipe (124) of the dust collection box (123) is communicated with the dust collection cavity (122), a dust collection fan (125) is arranged on the dust collection box (123), the dust collection fan (125) provides negative pressure for the dust collection cavity (122) through the dust collection pipe (124), a water storage pipe (126) is arranged on the lower end face of the upper mounting plate (103), the water storage pipe (126) is arranged on the front end face of the plate body (101) in the width direction of the plate body (101), a water tank (127) is arranged on the back of the base (102), a water pump (128) is arranged at the upper end of the upper mounting plate (103), a water outlet pipe of the water pump (128) is communicated with the water storage pipe (126), a water inlet pipe of the water pump (128) is communicated with the water tank (127; the lateral plate of support casing (104) is fixed on the side of plate body (101) and extends beyond the preceding terminal surface of plate body (101), the up end of base (102) is provided with bounding wall (130), enclose into retaining channel (131) between bounding wall (130) and plate body (101), support casing (104) of plate body (101) both sides, one end that retaining channel (131) are close to water tank (127) is provided with return hole (132), return hole (132) communicate to water tank (127) through the pipeline, be provided with the filtration filter core in water tank (127), the bottom surface of retaining channel (131) reduces to the one end slope gradually of return hole (132).

3. The novel intelligent lecture platform according to claim 2, wherein: the intelligent stepping platform (200) comprises a mounting seat (201) at the bottom, a supporting assembly (202) is arranged on the upper end face of the mounting seat (201), a collapse platform body is arranged on the upper end face of the supporting assembly (202), the number of the supporting assembly (202) is four, the four supporting assembly is distributed at four corners of the collapse platform body, the supporting assembly (202) comprises an external supporting sleeve (204), the supporting sleeve (204) is fixedly connected with the collapse platform body, an adjusting rod (205) used for adjusting the height of the collapse platform body is arranged in the supporting sleeve (204), a first supporting platform (206) is arranged in the middle of the supporting sleeve (204), the inner side face of the supporting sleeve (204) is fixedly connected with the first supporting platform (206), fan-shaped channel grooves (207) are formed in the first supporting platform (206), the number of the channel grooves (207) is 3, connecting arms (208) separating adjacent channel grooves (207) are provided, and a height adjusting mechanism is arranged inside the supporting; the height adjusting mechanism comprises a screw rod (209), the upper end of the screw rod (209) is rotatably connected with a first supporting platform (206) through a bearing, the other end of the screw rod is rotatably connected with a second supporting platform arranged in a supporting sleeve (204), an installation circular truncated cone (210) is matched on the screw rod (209), the installation circular truncated cone (210) is connected with an adjusting rod (205), the cross section of the adjusting rod (205) is matched with the cross section of the first supporting platform (206), a guide groove (211) is formed in the adjusting rod (205), the guide groove (211) is arranged along the length direction of the adjusting rod (205), the adjusting rod (205) penetrates through a channel groove (207), and a connecting arm (208) falls into the guide groove (211); one end of the screw rod (209) penetrating through the second support platform is an optical axis (212), the optical axis (212) is connected with the bottom plate through a bearing, a first bevel gear (213) is coaxially arranged on the optical axis (212), the first bevel gear (213) is connected with a first power part, the first power part comprises a second motor (214), the second motor (214) is coaxially connected with a driving shaft (215), four side surfaces of the mounting seat (201) are respectively provided with a mounting cavity (216), the bottom surface of the optical axis (212) is connected with the bottom surface of the mounting cavity (216) through a bearing, one end of the driving shaft (215) is connected with the second motor (214), the other end of the driving shaft is connected with the side surface of the mounting cavity (216) through a bearing, the driving shaft (215) is provided with two second bevel gears (217), and the two second bevel gears (217) are respectively meshed with the two first bevel gears (213; one end of a driving shaft (215) penetrates through the side face of the mounting cavity (216) and is connected with a first bevel gear reduction box (218) in the adjacent mounting cavity (216), a second bevel gear reduction box (219) is arranged at the other end of the adjacent mounting cavity (216), a linkage shaft (220) is connected between the first bevel gear reduction box (218) and the second bevel gear reduction box (219), an output end of the second bevel gear reduction box (219) is connected with a driven shaft (225), the driven shaft (225) is arranged in parallel with the driving shaft (215), the linkage shaft (220) is perpendicular to the driving shaft (215), a second bevel gear (217) is arranged on the driven shaft (225), the driven shaft (225) drives the other two first bevel gears (213) to rotate through the second bevel gear (217), the reduction ratio of the first bevel gear reduction box (218) to the second bevel gear reduction box (219) is 1:1, and an infrared distance measuring module (221, the infrared distance measuring module (221) is arranged right below the stepping table body (203).

4. The novel intelligent lecture platform according to claim 3, wherein: a curtain component is further arranged below the upper mounting plate (103), the curtain component comprises a curtain motor (222) and a curtain roller (223), and the curtain roller (223) is connected with the curtain motor (222) and is driven to rotate by the curtain motor (222); the front side surface of the supporting shell (104) is provided with a first switch for controlling the forward rotation or the reverse rotation of the first motor (108), a second switch for controlling the forward rotation or the reverse rotation of the second motor (214) and a curtain motor (222) for controlling the forward rotation or the reverse rotation of the curtain motor (222).