CN112205751A

CN112205751A - A podium for teaching

Info

Publication number: CN112205751A
Application number: CN202010733144.3A
Authority: CN
Inventors: 兰海涛
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-01-12

Abstract

The invention discloses a platform for teaching, which comprises a platform body, a display and a camera device which are arranged on the platform body, a folding toolbox which is arranged on the side surface of the platform body, a movable chassis and a lifting device which are arranged below the platform body, and a folding blackboard device which is arranged in the platform body and can extend outwards; this podium can be according to user's demand automatically regulated height, and the show blackboard can be opened automatically as required to the automatic movable position to the attached surveillance camera head of qxcomm technology, its compact structure, it is multiple functional, the convenience that can effectively improve the teaching.

Description

A podium for teaching

Technical Field

The invention relates to a teaching aid. In particular to a platform with various teaching auxiliary functions for teaching.

Background

As is well known, schools place thought education on students at the top no matter in middle and primary schools or colleges and universities; however, in the course, the teacher often uses the multimedia platform to assist in teaching the speech, including the ceremonies and common actions that need attention during the speech.

The platform used in the current theoretical class is a common fixed platform which cannot move freely and adjust the height according to the requirements of users, and can only be used for placing a computer and storing articles; generally, the teaching machine does not have a display function, and is not beneficial to the wide teaching of teaching materials in the teaching process. The chinese patent that publication number is CN210039227U discloses a philosophy teaching podium with show board, the inside embedding of this teaching podium main part is connected with movable display device, movable display device links to each other with the mount at inside top when using, the mount links to each other with the fixed axle, the fixed axle carries out effectual fixing to the display panel, effectual stability that increases movable display device when movable display device stretches out and draws back, prevent that the display panel from dropping, when mr teaches, the teacher of can being convenient for imparts knowledge to students to operate, the student of can being convenient for simultaneously learns, thereby mr plays certain helping effect when teaching. The display device of this patent is not easily stored and occupies most of the space above the platform.

Therefore, the existing common lecture platform has single function, cannot meet the specific requirements of teaching, and is almost implemented by adopting a multimedia platform for teaching; however, the existing multimedia platform has poor auxiliary function, monitoring equipment and the like are not needed above the platform, and the use is inconvenient.

Disclosure of Invention

The invention aims to develop a platform for teaching, which can automatically adjust the height and move the position according to the requirements of a user, can automatically open a display blackboard according to the requirements, is additionally provided with an omnidirectional monitoring camera, has a compact structure and complete functions, and can effectively improve the convenience of teaching.

The invention discloses a platform for teaching, which comprises a platform body, a display and a camera device which are arranged on the platform body, a folding toolbox which is arranged on the side surface of the platform body, a movable chassis and a lifting device which are arranged below the platform body, and a folding blackboard device which is arranged in the platform body and can extend outwards;

the movable chassis comprises a chassis support, four Mecanum wheels arranged at the bottom of the chassis support and four movement driving motors for driving the four Mecanum wheels to rotate in a one-to-one correspondence manner;

the lifting device comprises a scissor type lifting mechanism arranged on the chassis support and a lifting driving motor used for pushing the scissor type lifting mechanism to unfold and fold;

the camera device comprises a camera and a camera mounting seat which is used for supporting and driving the camera to horizontally rotate and pitch and swing;

the foldable tool box comprises a box body for accommodating teaching tools and a foldable support arranged at the bottom of the box body;

the foldable blackboard device comprises a foldable blackboard body and a telescopic mechanical arm device for pushing the blackboard body out of the platform body;

furthermore, a protective shell made of rubber is arranged around the chassis support; the protective housing is filled with anti-collision sponge.

Further, the lifting driving motor pushes the scissor type lifting mechanism to act through the lead screw nut pair; the screw rod nut pair comprises a screw rod I coaxially fixed with the lifting driving motor and a nut I matched with the screw rod I; a cross bar I fixed on the chassis support is connected between a pair of support legs at the lowest part of the scissor type lifting mechanism; a cross rod II fixed on the nut I is connected between the other pair of support legs at the lowest part of the scissor type lifting mechanism; two ends of the cross rod II are fixedly provided with sliding blocks, and the sliding blocks are in sliding fit with guide rails fixed on the chassis support; the nut I is fixed on the cross rod II.

Furthermore, a lifting platform supported by a scissor type lifting mechanism is fixed in the platform body; the telescopic mechanical arm device comprises a sliding table, a telescopic motor, a lead screw II, a nut II, a motor base, a rotating motor and a rotating base, wherein the sliding table is connected above the lifting table in a sliding mode; the blackboard body comprises three boards which are sequentially hinged; the blackboard body at the middle part of the blackboard body is fixedly arranged on the rotating seat.

Further, the camera mounting seat comprises a base, a rotating seat rotatably connected to the base, two supports fixed to the rotating seat, a rotation driving mechanism and a pitching oscillating mechanism; the rotation driving mechanism comprises a gear ring fixed on the base, a rotation motor fixed on the rotating seat and a gear which is fixed on a rotating shaft of the rotation motor and is meshed with the gear ring; the pitching oscillating mechanism comprises an oscillating motor fixed on the rotating seat, a worm and a worm wheel fixed on the camera; the swing motor drives the worm to rotate through the synchronous belt.

Furthermore, the foldable support including articulate in two U type legs of bottom half, rotatable to with the support arm of U type leg joint, and sliding connection in the support frame of bottom half.

The invention has the beneficial effects that:

1. the platform disclosed by the invention can automatically adjust the height according to the requirements of users, so that the teaching comfort of teachers is improved.

2. The platform can move independently, so that the platform can give lessons at any position, and teachers are not limited by the position of the platform.

2. The display blackboard capable of stretching out and opening is arranged in the platform, so that the teaching contents can be displayed at any position.

3. The platform is provided with the camera device capable of rotating in all directions, and video shooting can be performed on any direction according to the needs of teachers.

4. The side part of the platform can carry a folding seat, and the seat has a storage and storage function.

Drawings

The invention is further described below with reference to the figures and examples.

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is an isometric view of the podium body of the present invention;

FIG. 4 is a schematic structural view of the movable chassis and the telescopic boom apparatus of the present invention;

FIG. 5 is a schematic view of the folding tool box of the present invention;

FIG. 6 is a schematic structural diagram of an image capturing device according to the present invention

Fig. 7 is a schematic transmission diagram of the image pickup apparatus of the present invention.

Detailed Description

As shown in fig. 1 and 2, the platform for teaching of the present embodiment includes a platform body 1, a display and a camera 3 disposed on the platform body 1, a foldable toolbox 4 disposed on a side surface of the platform body 1, a movable chassis 2 and a lifting device disposed below the platform body 1, and a foldable blackboard device disposed in the platform body 1 and capable of extending outward;

as shown in fig. 3, the platform body 1 is an existing box structure, the display 12 can be embedded in the desktop of the platform body 1, and the back side of the platform body 1 is provided with a cabinet door 11, a drawer and other structures for storing teaching articles.

As shown in fig. 4, the movable chassis 2 includes a chassis frame, four mecanum wheels 220 disposed at the bottom of the chassis frame, and four movement driving motors 21 for driving the four mecanum wheels 220 to rotate in a one-to-one correspondence; the chassis support comprises two rectangular frames which are vertically arranged in parallel and a cross beam fixed between the two rectangular frames, and two mobile driving motors 21 are fixedly installed on each rectangular frame; a rotating shaft of the moving driving motor 21 is fixedly provided with a Mecanum wheel 220; the rims of the mecanum wheels 220 are diagonally distributed with a plurality of small rollers so that the wheels can slide laterally. The generatrix of the small rollers is particularly so that the envelope of each small roller is cylindrical when the wheel is turned around a fixed wheel spindle, so that the wheel can roll forward continuously. The Mecanum wheel 220 has a compact structure and flexible movement, is an omnidirectional wheel, can realize omnidirectional movement of the whole platform, and the control systems of the four wheat wheels can be realized by adopting the prior art; a protective shell made of rubber is arranged around the chassis support; the protective housing intussuseption is filled with anticollision sponge to take place rigidity striking with the barrier when avoiding this podium to remove.

The lifting device comprises a scissor type lifting mechanism 27 arranged on the chassis support 24 and a lifting driving motor for pushing the scissor type lifting mechanism 27 to unfold and fold; the lifting driving motor pushes the scissor type lifting mechanism 27 to act through the lead screw nut pair; the lifting driving motor is fixedly arranged on the chassis support 24, and the lead screw nut pair comprises a lead screw I23 coaxially fixed with the lifting driving motor and a cross rod I25 matched with the lead screw I23; a cross bar I22 fixed on the chassis support 24 is connected between a pair of support legs at the lowest part of the scissor type lifting mechanism 27; a cross bar II 26 fixed on the cross bar I25 is connected between the other pair of support legs at the lowest part of the scissor type lifting mechanism 27; sliding blocks are fixed at two ends of the cross rod II 26 and are in sliding fit with guide rails fixed on the chassis support 24; when the lifting driving motor rotates, the nut moves along the axial direction of the screw rod, so that the second cross rod 26 is driven to move, and finally the lifting action of the scissor type lifting mechanism 27 is realized. A lifting platform 28 supported by a scissor type lifting mechanism 27 is fixed in the platform body 1; therefore, the lifting platform 28 can drive the whole platform body 1 to lift, and finally the purpose of adjusting the height of the platform is achieved.

As shown in fig. 2 and 5, the folding blackboard device includes a folding blackboard body 5 and a telescopic mechanical arm device for pushing the blackboard body 5 out of the platform body 1; the blackboard body 5 comprises three boards hinged in sequence, wherein the middle board is narrower, and the boards on two sides are wider, so that the boards on two sides can be folded towards the middle (shown by dotted lines); as shown in fig. 5, the telescopic mechanical arm device includes a sliding table 210 slidably connected above the lifting table 28, a telescopic motor 212 fixed to the sliding table 210, a screw rod ii 213 coaxially fixed to a rotating shaft of the telescopic motor 212, a nut ii 214 fixed to the lifting table 28 and engaged with the screw rod ii 213, a motor base fixedly connected to the sliding table 210 through a connecting rod 211, a rotating motor installed on the motor base, and a rotating base 218 fixed to an outer end of the rotating shaft of the rotating motor; the plate body in the middle of the blackboard body 5 is fixedly arranged on the rotating seat 218; when flexible motor 212 rotated, the lead screw rotated in step, because the nut is fixed in elevating platform 28, when the lead screw rotated, will drive whole slip table 210 and slide, make motor cabinet 217, roating seat 218 and blackboard body 5 stretch out outside podium body 1, then the user expandes blackboard body 5, thereby can demonstrate that imparts knowledge to students as the blackboard, the gesture of blackboard can be adjusted to rotating electrical machines 216, the rotating electrical machines 216 that here adopted is worm gear reducer motor, it has the performance of auto-lock, avoid the blackboard to rotate at will.

As shown in fig. 6 and 7, the camera device 3 includes a camera head 32 and a camera head mounting seat 31 for supporting and driving the camera head 32 to rotate horizontally and swing vertically; the camera mounting seat 31 comprises a base 37, a rotating seat 38 rotatably connected to the base 37, two supports fixed to the rotating seat 38, a rotation driving mechanism and a pitching oscillating mechanism; the rotation driving mechanism comprises a gear ring fixed on the base 37, a rotation motor 39 fixed on the rotation seat 38 and a gear which is fixed on the rotating shaft of the rotation motor 39 and is meshed with the gear ring; the pitching oscillating mechanism comprises an oscillating motor 36 fixed on a rotating seat 38, a worm 34 and a worm wheel 33 fixed on the camera 32; the swing motor 36 drives the worm 34 to rotate through the synchronous belt 35, and the rotation motor 39 and the swing can respectively drive the camera 32 to rotate on the water surface and swing in a pitching mode, so that the camera 32 can shoot any direction.

As shown in fig. 5, the foldable toolbox 4 comprises a box body for accommodating teaching aids and a foldable bracket arranged at the bottom of the box body; the foldable support comprises two U-shaped legs 42 hinged to the bottom of the carton, a support arm 43 rotatable to be in clamping connection with the U-shaped legs 42, and a support frame 44 slidably connected to the bottom of the carton. The two U-shaped legs can be unfolded to be vertical to the ground of the box body, and then the outer ends of the supporting arms 43 are clamped with the U-shaped legs 42; the stability of the U-shaped legs is ensured, the top surface of the box body is provided with an expandable cover plate, and after the cover plate 45 is expanded, the support frame 44 can be drawn out to support the bottom of the cover plate 45, so that articles can be placed on the cover plate 45; the bottom of the box body is provided with two limit buckles 41, so that the sliding distance of the support frame 44 is limited.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A podium for teaching which characterized in that: the novel platform comprises a platform body, a display and a camera device which are arranged on the platform body, a folding tool box arranged on the side surface of the platform body, a movable chassis and a lifting device which are arranged below the platform body, and a folding blackboard device which is arranged in the platform body and can extend outwards;

the folding blackboard device comprises a folding blackboard body and a telescopic mechanical arm device used for pushing the blackboard body out of the platform body.

2. A podium for teaching according to claim 1, wherein: the chassis support is provided with a protective shell made of rubber on the periphery, and anti-collision sponge is filled in the protective shell.

3. A podium for teaching according to claim 2, wherein: the lifting driving motor pushes the scissor type lifting mechanism to act through the lead screw nut pair; the screw rod nut pair comprises a screw rod I coaxially fixed with the lifting driving motor and a nut I matched with the screw rod I; a cross bar I fixed on the chassis support is connected between a pair of support legs at the lowest part of the scissor type lifting mechanism; a cross rod II fixed on the nut I is connected between the other pair of support legs at the lowest part of the scissor type lifting mechanism; and sliding blocks are fixed at the two ends of the cross rod II and are in sliding fit with guide rails fixed on the chassis support.

4. A podium for teaching according to claim 3, wherein: a lifting platform supported by a scissor type lifting mechanism is fixed in the platform body; the telescopic mechanical arm device comprises a sliding table, a telescopic motor, a lead screw II, a nut II, a motor base, a rotating motor and a rotating base, wherein the sliding table is connected above the lifting table in a sliding mode; the blackboard body comprises three boards which are sequentially hinged; the blackboard body at the middle part of the blackboard body is fixedly arranged on the rotating seat.

5. A podium for teaching according to claim 4, wherein: the camera mounting seat comprises a base, a rotating seat rotationally connected to the base, two supports fixed on the rotating seat, a rotation driving mechanism and a pitching swinging mechanism; the rotation driving mechanism comprises a gear ring fixed on the base, a rotation motor fixed on the rotation base and a gear fixed on a rotating shaft of the rotation motor and meshed with the gear ring; the pitching oscillating mechanism comprises an oscillating motor fixed on the rotating seat, a worm and a worm wheel fixed on the camera; the swing motor drives the worm to rotate through the synchronous belt.

6. A podium for teaching according to claim 5, wherein: the foldable support comprises two U-shaped legs hinged to the bottom of the box body, a supporting arm which can rotate to be clamped with the U-shaped legs, and a supporting frame which is connected to the bottom of the box body in a sliding mode.