CN116389659A

CN116389659A - Prompter device for news broadcasting

Info

Publication number: CN116389659A
Application number: CN202310500883.1A
Authority: CN
Inventors: 谌利
Original assignee: Zhoukou Normal University
Current assignee: Zhoukou Normal University
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-07-04

Abstract

The invention relates to the technical field of news broadcasting equipment, in particular to a prompter for news broadcasting, which comprises a fixed disc, wherein a support frame is arranged at the lower end part of the fixed disc, a fixed column is fixedly arranged at the upper end part of the fixed disc, a column groove is formed in the fixed column, first sliding grooves are symmetrically formed in the inner wall of the column groove, a first thread ring is sleeved on the surface of the fixed column in a threaded manner, an inserting rod is slidably arranged in the column groove, an adjusting mechanism comprises a first driving motor, the first driving motor is fixedly connected with a connecting disc, a first rotating column is fixedly arranged on an output shaft of the first driving motor, a first L-shaped rod is fixedly arranged at the upper end part of the first driving motor, the first L-shaped rod is movably sleeved on the first rotating column, and a U-shaped frame is fixedly sleeved on the first rotating column, so that the prompter can be comprehensively displayed, the use effect of the prompter is further enhanced, and safety protection of the prompter is enhanced by arranging a glass sheet in a protective cover on an object placing table.

Description

Prompter device for news broadcasting

Technical Field

The invention relates to the technical field of news broadcasting equipment, in particular to a prompter for news broadcasting.

Background

The prompter displays manuscript content through a high-brightness display device, and reflects the display content of the display device to a piece of special coated glass with an angle of 45 degrees in front of a camera lens to reflect the speech, so that a presenter can face the camera while watching the speech.

In the process of news broadcasting, a prompter is usually used for assisting the news broadcasting, but the existing prompter for news broadcasting has the following defects:

1. the existing news joint broadcasting prompter is generally fixed at the front part of a broadcasting station, and most indoor prompters are fixed, so that the height and the angle of the indoor prompters are difficult to adjust, and the indoor prompters are difficult to be suitable for outdoor news broadcasting;

2. most of the existing news simulcast prompters put into use place a display device (a mobile phone or a tablet) on an operation table, but the display device is not fixed, so that the placement stability of the display device is poor, dislocation or dropping is easy to occur due to false triggering, and news broadcasting is affected;

3. when equipment is idle, coated glass also generally exposes in the outside, and the equipment is relatively poor to its barrier property, leads to its easy dust that glues needs in time to clear up and leads to hard, and still easily takes place the damage.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a prompter for news broadcasting.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a news is reported and is used prompter, includes the fixed disk, the fixed disk lower extreme is provided with the support frame, fixed disk upper end fixed mounting has the fixed column, the post groove has been seted up to the fixed column inside, first spout has been seted up to symmetry in the post groove inner wall, fixed column surface thread bush is equipped with first screwed ring, post inslot slidable mounting has the inserted bar, symmetrical fixed mounting has the side piece on the inserted bar lateral wall, two the side piece slides respectively and establishes in two first spouts, the fixed mounting of inserted bar upper end has the connection pad;

an adjusting mechanism is fixedly arranged at the upper end part of the connecting disc;

the adjusting mechanism comprises a first driving motor, the first driving motor is fixedly connected with the connecting disc, a first rotating column is fixedly installed on an output shaft of the first driving motor, a first L-shaped rod is fixedly installed at the upper end of the first driving motor, and the first L-shaped rod is movably sleeved on the first rotating column.

As a preferable technical scheme of the invention, the first rotating column is fixedly sleeved with a U-shaped frame, an inner ring is rotatably arranged in the U-shaped frame, and a connecting column is fixedly arranged at the upper end part of the inner ring.

As a preferable technical scheme of the invention, the upper end part of the connecting column is fixedly provided with the underframe, the upper end part of the first L-shaped rod is fixedly provided with the upright rod, and the side wall of the upright rod is fixedly provided with the second driving motor.

As a preferable technical scheme of the invention, a second rotary column is fixedly arranged on an output shaft of the second driving motor, a second L-shaped rod is fixedly sleeved on the second rotary column, a third L-shaped rod is rotatably arranged on one side of the second L-shaped rod, and the third L-shaped rod is rotatably connected with the connecting column.

As a preferable technical scheme of the invention, a protection mechanism is fixedly arranged at the upper end part of the underframe;

the protection mechanism comprises a storage table fixedly connected with the underframe, inner grooves are symmetrically formed in the side walls of the storage table, vertical bars are fixedly arranged at the upper end parts of the storage table, and slots are formed in the vertical bars.

As a preferable technical scheme of the invention, the side walls of the vertical bars are symmetrically provided with the second sliding grooves, the two second sliding grooves are communicated with the slot, a first connecting plate and a second connecting plate are slidably arranged in the slot, and the first connecting plate and the second connecting plate are connected together through a hinge.

As a preferable technical scheme of the invention, a cross rod is fixedly arranged on the side wall of the first connecting plate, the cross rod is arranged in two second sliding grooves in a sliding manner, pressing sheets are symmetrically and fixedly arranged on the cross rod, a protective cover is fixedly arranged at the upper end part of the second connecting plate, screw rods are symmetrically and fixedly arranged on the side wall of the protective cover, and the two screw rods are respectively matched with the two inner grooves.

As a preferable technical scheme of the invention, the two screw rods are respectively provided with a second threaded ring in a threaded sleeve manner, the upper end parts of the object placing tables are symmetrically and fixedly provided with fixing frames, and the interiors of the two fixing frames are provided with third sliding grooves.

As a preferable technical scheme of the invention, springs are fixedly arranged at two ends of the two fixing frames, pressing strips are slidably arranged in the two third sliding grooves, and one ends of the two groups of springs, which are far away from the two fixing frames, are fixedly connected with the inner walls of the two pressing strips respectively.

As a preferable technical scheme of the invention, dovetail grooves are formed in the lower end parts of the two pressing strips, and dovetail strips are slidably arranged in the two dovetail grooves.

Compared with the prior art, the invention has the following beneficial effects:

firstly, through the design of the third sliding groove, the pressing strip and the dovetail strip, when the pressing strip drives the dovetail strip to slide downwards in the third sliding groove along with the pressing strip, the dovetail strip contacts and is fixed with the inscription equipment, so that the inscription equipment can be synchronously fixed when the equipment is assembled when in use, the placement stability of the inscription equipment is enhanced, and the inscription effect is ensured;

secondly, through the design of the object placing table, the first connecting plate, the second connecting plate and the protective cover, the first connecting plate and the second connecting plate are driven to move along with the protective cover, when a hinge for connecting the first connecting plate and the second connecting plate is exposed outside, the protective cover can be turned over, when the second threaded ring rotates to be attached to the object placing table, the limiting and fixing of the protective cover are completed, the protective cover and the object placing table are combined to form a protective mechanism, so that glass sheets in the protective cover and the object placing table are placed on the inscription equipment to be protected, and the safety protection of the equipment is enhanced;

thirdly, through the design of the fixing frame, the third sliding groove, the spring, the pressing strip and the dovetail strip, when the sizes of the inscription equipment are different (for example, when a mobile phone or a flat plate is used), the dovetail strip can slide in the dovetail groove at the moment, the extending length of the dovetail strip can be adjusted under the movement of the dovetail strip, the dovetail strip can be extruded to drive the dovetail strip to be fixed with the inscription equipment when the equipment is assembled, and when the protective cover is pulled upwards, the pressing strip can lose the extrusion force of the pressing strip on the pressing strip, and then the pressing strip is driven to reset under the action of the spring, so that the installation and the disassembly of the inscription equipment are more convenient and labor-saving when the equipment is used;

fourth, through the design of U-shaped frame, inner ring, spliced pole, chassis and third L shape pole, will drive the inner ring and rotate thereupon at U-shaped frame's rotation, and then the inner ring will drive spliced pole and chassis and move thereupon, can adjust the horizontal angle of equipment, and when the third L shape pole drives the inner ring and rotates thereupon in U-shaped frame inside, and then can adjust the vertical angle of equipment, make this equipment be convenient for adjust the angle of inscription when using, effectively avoided the condition that the inscription is unclear because of reflection of light takes place;

fifthly, through the design of the first driving motor, the U-shaped frame, the underframe and the second driving motor, after the U-shaped frame drives the underframe to rotate to any horizontal position, the second driving motor is started at the moment to adjust the vertical position of the underframe, and the equipment can display the inscription in an omnibearing manner under the cooperation of the first driving motor and the second driving motor, so that the using effect of the equipment is further enhanced;

sixth, through the design of post groove, first spout, first screwed ring, inserted bar and side piece, when two side pieces of first screwed ring extrusion slide upwards in two first spouts inside along with this, two side pieces will drive the inserted bar and upwards take place to slide at the post inslot along with this moment for this equipment is convenient for adjust the height when using, has increased the application scope of equipment.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a three-dimensional exploded structure of the present invention;

FIG. 3 is a schematic view of an explosion structure of the chassis connection of the present invention;

FIG. 4 is a schematic view of the U-shaped frame connection structure of the present invention;

FIG. 5 is a schematic view of the explosion structure of the shield connection of the present invention;

FIG. 6 is a schematic view of a press plate connection structure according to the present invention;

FIG. 7 is a schematic view of a vertical bar connection structure of the present invention;

fig. 8 is a schematic view of the explosive structure of the connection of the batten strip of the present invention.

Wherein: 11. a fixed plate; 12. a support frame; 13. fixing the column; 14. a column groove; 15. a first chute; 16. a first threaded ring; 17. a rod; 18. a side block; 19. a connecting disc; 21. a first driving motor; 22. a first swivel post; 23. a first L-shaped rod; 24. a U-shaped frame; 25. an inner ring; 26. a connecting column; 27. a chassis; 31. a vertical rod; 32. a second driving motor; 33. a second swivel post; 34. a second L-shaped rod; 35. a third L-shaped bar; 41. a storage table; 42. an inner tank; 43. a vertical bar; 44. a slot; 45. a second chute; 46. a first connection plate; 47. a second connecting plate; 48. a cross bar; 49. tabletting; 51. a protective cover; 52. a screw; 53. a second threaded ring; 54. a fixing frame; 55. a third chute; 56. a spring; 57. pressing strips; 58. a dovetail groove; 59. dovetail strips.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present invention are obtained will become readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

1, 2, 3, 4, 5, 6, 7 and 8, the news broadcasting prompter comprises a fixed disc 11, a supporting frame 12 is arranged at the lower end part of the fixed disc 11, a fixed column 13 is fixedly arranged at the upper end part of the fixed disc 11, a column groove 14 is formed in the fixed column 13, first sliding grooves 15 are symmetrically formed in the inner wall of the column groove 14, first threaded rings 16 are sleeved on the surface of the fixed column 13 in a threaded manner, inserted bars 17 are slidably arranged in the column groove 14, side blocks 18 are symmetrically and fixedly arranged on the side walls of the inserted bars 17, the two side blocks 18 are slidably arranged in the two first sliding grooves 15 respectively, a connecting disc 19 is fixedly arranged at the upper end part of the inserted bars 17, when the height of equipment is required to be adjusted, the first threaded rings 16 can be rotated on the fixed column 13 at the moment, the first threaded rings 16 slide upwards at the moment under the rotation of the first threaded rings 16, the first threaded rings 16 squeeze the two side blocks 18 to slide upwards in the two first sliding grooves 15, the two side blocks 18 slide upwards along with the two side blocks 18, and the two side blocks 18 are slidably arranged in the two first sliding grooves 15, and the height of the inserted bars 17 can be increased in the height of the column groove 14, and the height of the equipment can be adjusted conveniently;

an adjusting mechanism is fixedly arranged at the upper end part of the connecting disc 19;

the adjusting mechanism comprises a first driving motor 21, the first driving motor 21 is fixedly connected with a connecting disc 19, a first rotating post 22 is fixedly arranged on an output shaft of the first driving motor 21, a first L-shaped rod 23 is fixedly arranged at the upper end part of the first driving motor 21, the first L-shaped rod 23 is movably sleeved on the first rotating post 22, a U-shaped frame 24 is fixedly sleeved on the first rotating post 22, an inner ring 25 is rotatably arranged in the U-shaped frame 24, a connecting post 26 is fixedly arranged at the upper end part of the inner ring 25, a bottom frame 27 is fixedly arranged at the upper end part of the connecting post 26, a vertical rod 31 is fixedly arranged at the upper end part of the first L-shaped rod 23, a second driving motor 32 is fixedly arranged on the side wall of the vertical rod 31, a second rotating post 33 is fixedly sleeved on the output shaft of the second driving motor 32, a third L-shaped rod 35 is rotatably arranged on one side of the second L-shaped rod 34, the third L-shaped rod 35 is rotationally connected with the connecting column 26, when the angle of the equipment is required to be adjusted, the first driving motor 21 can be started at the moment, the first rotating column 22 is driven to rotate along with the first driving motor 21, the U-shaped frame 24 is driven to rotate along with the first rotating column 22, the inner ring 25 is driven to rotate along with the U-shaped frame 24, the inner ring 25 further drives the connecting column 26 and the underframe 27 to move along with the connecting column, the horizontal angle of the equipment can be adjusted, when the second driving motor 32 is started, the second driving motor 32 drives the second rotating column 33 to rotate along with the second driving motor 32, the second rotating column 33 drives the second L-shaped rod 34 and the third L-shaped rod 35 to rotate along with the second driving motor 21, the third L-shaped rod 35 drives the inner ring 25 to rotate along with the U-shaped frame 24 at the moment, the vertical angle of the equipment is adjusted, the angle of the inscription is convenient for be adjusted when making this equipment use, effectively avoided the condition emergence of the unclear inscription that causes because of the reflection of light, and this equipment can also start first driving motor 21 earlier, after U-shaped frame 24 drives chassis 27 and rotates to arbitrary horizontal position, start second driving motor 32 this moment, adjust its vertical position, make this equipment can carry out the omnidirectional show to the inscription under the cooperation of first driving motor 21 and second driving motor 32, further strengthened its result of use.

The upper end part of the underframe 27 is fixedly provided with a protection mechanism;

the protection mechanism comprises a storage table 41, the storage table 41 is fixedly connected with a bottom frame 27, inner grooves 42 are symmetrically arranged on the side wall of the storage table 41, a vertical bar 43 is fixedly arranged at the upper end part of the storage table 41, a slot 44 is arranged in the vertical bar 43, second sliding grooves 45 are symmetrically arranged on the side wall of the vertical bar 43, the two second sliding grooves 45 are communicated with the slot 44, a first connecting plate 46 and a second connecting plate 47 are slidably arranged in the slot 44, the first connecting plate 46 and the second connecting plate 47 are connected together through a hinge, a cross rod 48 is fixedly arranged on the side wall of the first connecting plate 46, the cross rod 48 is slidably arranged in the two second sliding grooves 45, a pressing piece 49 is symmetrically and fixedly arranged on the cross rod 48, a protection cover 51 is fixedly arranged at the upper end part of the second connecting plate 47, screws 52 are symmetrically and fixedly arranged on the side wall of the protection cover 51, the two screws 52 are respectively matched with the two inner grooves 42, second threaded rings 53 are sleeved on the two screws 52, when the equipment is used, the protective cover 51 can be pulled upwards, the first connecting plate 46 and the second connecting plate 47 are driven to move along with the movement of the protective cover 51, when the hinge connecting the protective cover 51 and the second connecting plate 47 is exposed outside, the protective cover 51 can be overturned, the second connecting plate 47 fixed with the protective cover 51 can be driven to overturned on the first connecting plate 46 along with the overturned protective cover 51, the two threaded rods 52 on the protective cover 51 are inserted into the two inner grooves 42 along with the overturned protective cover, the two threaded rods 52 can respectively rotate the two second threaded rings 53, because the second threaded rings 53 are in threaded connection with the threaded rods 52, when the second threaded rings 53 are rotated to be attached to the object placing table 41, the limiting and fixing of the protective cover 51 are finished, the protective cover 51 and the object placing table 41 are combined to form a protective mechanism, and glass sheets inside the protective cover 51 are convenient, and the object placing table 41 is placed on the inscription equipment for protection, so that the safety protection of the equipment is enhanced; the upper end parts of the object placing table 41 are symmetrically and fixedly provided with fixing frames 54, the inside of the two fixing frames 54 is provided with a third sliding groove 55, the two ends of the two fixing frames 54 are fixedly provided with springs 56, the inside of the two third sliding grooves 55 is provided with a pressing bar 57 in a sliding manner, one ends of the two groups of springs 56, which are far away from the two fixing frames 54, are respectively fixedly connected with the inner walls of the two pressing bars 57, the lower end parts of the two pressing bars 57 are provided with dovetail grooves 58, the inside of the two dovetail grooves 58 is provided with dovetail bars 59 in a sliding manner, when in use, the protective cover 51 is pulled upwards, the second connecting plate 47 and the first connecting plate 46 fixed with the protective cover 51 are driven to slide along with the inside of the slot 44 under the movement of the protective cover 51, the inscription device can be placed on the object placing table 41 at the moment, then the first connecting plate 46 and the second connecting plate 47 slide downwards in the slot 44 under the action of gravity after the protective cover 51 is released, at this time, the first connecting plate 46 will drive the cross bar 48 to slide downwards in the two second sliding grooves 45, at this time, the cross bar 48 will drive the pressing piece 49 to move downwards, and further the pressing bar 57 is extruded, at this time, the pressing bar 57 will drive the dovetail bar 59 to slide downwards in the third sliding groove 55, at this time, the dovetail bar 59 will be in contact with the inscription device to complete fixing, so that the device can synchronously fix the inscription device when in use, the placement stability of the inscription device is enhanced, the inscription effect is ensured, when the inscription device is different in size (for example, when a mobile phone or a flat plate is used), the dovetail bar 59 can slide in the dovetail groove 58, the extending length of the dovetail bar 59 can be adjusted under the movement of the dovetail bar 59, at this time, when the equipment is assembled, the dovetail strip 59 is extruded to drive the equipment and the inscription equipment to be fixed, and when the protective cover 51 is pulled upwards, the pressing strip 57 is prevented from losing the extrusion force of the pressing strip 49 on the equipment, and then the pressing strip 57 is driven to reset under the action of the spring 56, so that the equipment is more convenient and labor-saving to mount and dismount when in use.

Working principle:

the first step, when in use, the protective cover 51 is pulled upwards, the second connecting plate 47 and the first connecting plate 46 fixed with the protective cover 51 are driven to slide in the slot 44, the inscription equipment can be placed on the object placing table 41 at the moment, then the first connecting plate 46 and the second connecting plate 47 slide downwards in the slot 44 under the action of gravity after the protective cover 51 is released, the first connecting plate 46 drives the cross rod 48 to slide downwards in the two second sliding grooves 45 at the moment, the cross rod 48 drives the pressing plate 49 to move downwards at the moment, the pressing strip 57 is extruded, the pressing strip 57 drives the dovetail strip 59 to slide downwards in the third sliding groove 55 at the moment, the dovetail strip 59 contacts and is fixed with the inscription equipment, the inscription equipment can be synchronously fixed in the equipment during the equipment assembly during the use, the placement stability of the inscription equipment is enhanced, and the inscription effect is ensured;

the second step, when the equipment is used, the protective cover 51 can be pulled upwards at the moment, the first connecting plate 46 and the second connecting plate 47 are driven to move along with the protective cover 51 under the movement of the protective cover 51, when the hinges for connecting the protective cover 51 and the second connecting plate 47 are exposed outside, the protective cover 51 can be turned over at the moment, the second connecting plate 47 fixed with the protective cover is driven to turn over on the first connecting plate 46 under the turning of the protective cover 51, the two screws 52 on the protective cover 51 are inserted into the two inner grooves 42 along with the protective cover, the two second threaded rings 53 can be respectively rotated on the two screws 52 at the moment, and because the second threaded rings 53 are in threaded connection with the screws 52, when the second threaded rings 53 are rotated to be attached to the object placing table 41, limiting and fixing of the protective cover 51 are finished, and the protective cover 51 and the object placing table 41 are combined to form a protective mechanism, so that the safety protection of the equipment is enhanced;

thirdly, through the design of the fixing frame 54, the third sliding groove 55, the spring 56, the pressing strip 57 and the dovetail strip 59, when the sizes of the inscription equipment are different (for example, when a mobile phone or a flat plate is used), the dovetail strip 59 can slide in the dovetail groove 58, the extending length of the equipment can be adjusted under the movement of the dovetail strip 59, the equipment can be assembled to press the dovetail strip 59 to drive the equipment to be fixed with the inscription equipment, and when the protective cover 51 is pulled upwards, the pressing strip 57 can lose the pressing force of the pressing strip 49 on the equipment, and then the pressing strip 57 can be driven to reset under the action of the spring 56, so that the equipment is more convenient and labor-saving to mount and dismount the inscription equipment when in use;

fourth, when the angle of the device needs to be adjusted, the first driving motor 21 can be started at this moment, the first rotating column 22 is driven to rotate along with the first driving motor 21, the U-shaped frame 24 is driven to rotate along with the first rotating column 22, the inner ring 25 is driven to rotate along with the U-shaped frame 24, the inner ring 25 further drives the connecting column 26 and the underframe 27 to move along with the inner ring, the horizontal angle of the device can be adjusted, when the second driving motor 32 is started, the second driving motor 32 can drive the second rotating column 33 to rotate along with the second driving motor 32, the second rotating column 33 can drive the second L-shaped rod 34 and the third L-shaped rod 35 to rotate along with the first driving motor 21, the third L-shaped rod 35 can drive the inner ring 25 to rotate along with the U-shaped frame 24, the vertical angle of the device can be adjusted conveniently, the condition that the word is unclear due to reflection of light is effectively avoided, the first driving motor 21 can be started, the first driving motor 24 can drive the first driving motor 24 to the horizontal position of the second driving motor 32, and the second driving motor 32 can be further adjusted in the horizontal position, and the first driving motor 32 can be further matched with the first driving motor 32, and the first driving motor 32 can be further adjusted;

and fifthly, when the height of the equipment is required to be adjusted, the first threaded ring 16 can be rotated on the fixed column 13 at the moment, and the first threaded ring 16 can slide upwards on the fixed column 13 under the rotation of the first threaded ring 16 due to the threaded connection of the first threaded ring 16, at the moment, the first threaded ring 16 can extrude the two side blocks 18 to slide upwards in the two first sliding grooves 15, at the moment, the two side blocks 18 can drive the inserted link 17 to slide upwards in the column groove 14, so that the equipment is convenient to adjust the height when in use, and the application range of the equipment is increased.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The utility model provides a news is reported and is used prompter, includes fixed disk (11), the lower tip of fixed disk (11) is provided with support frame (12), its characterized in that, fixed disk (11) upper end fixed mounting has fixed column (13), column groove (14) have been seted up to fixed column (13) inside, first spout (15) have been seted up to symmetry in column groove (14) inner wall, fixed column (13) surface thread bush is equipped with first screwed ring (16), column groove (14) inside slidable mounting has inserted bar (17), symmetrical fixed mounting has side piece (18) on inserted bar (17) lateral wall, two side piece (18) are slided respectively in the interior setting in two first spouts (15), connecting disc (19) are fixedly mounted to inserted bar (17) upper end;

an adjusting mechanism is fixedly arranged at the upper end part of the connecting disc (19);

the adjusting mechanism comprises a first driving motor (21), the first driving motor (21) is fixedly connected with the connecting disc (19), a first rotating column (22) is fixedly installed on an output shaft of the first driving motor (21), a first L-shaped rod (23) is fixedly installed at the upper end part of the first driving motor (21), and the first L-shaped rod (23) is movably sleeved on the first rotating column (22).

2. The news broadcasting prompter according to claim 1, wherein a U-shaped frame (24) is fixedly sleeved on the first rotating post (22), an inner ring (25) is rotatably installed inside the U-shaped frame (24), and a connecting post (26) is fixedly installed at the upper end part of the inner ring (25).

3. The news broadcasting prompter according to claim 2, wherein the upper end of the connecting post (26) is fixedly provided with a bottom frame (27), the upper end of the first L-shaped rod (23) is fixedly provided with a vertical rod (31), and the side wall of the vertical rod (31) is fixedly provided with a second driving motor (32).

4. A news broadcasting prompter according to claim 3, wherein a second rotating post (33) is fixedly installed on the output shaft of the second driving motor (32), a second L-shaped rod (34) is fixedly sleeved on the second rotating post (33), a third L-shaped rod (35) is rotatably installed on one side of the second L-shaped rod (34), and the third L-shaped rod (35) is rotatably connected with the connecting post (26).

5. A news bulletin board according to claim 3, wherein,

the upper end part of the underframe (27) is fixedly provided with a protection mechanism;

the protection mechanism comprises a storage table (41), the storage table (41) is fixedly connected with the underframe (27), inner grooves (42) are symmetrically formed in the side walls of the storage table (41), vertical bars (43) are fixedly arranged at the upper end parts of the storage table (41), and slots (44) are formed in the vertical bars (43).

6. The news broadcasting prompter according to claim 5, wherein the side walls of the vertical bars (43) are symmetrically provided with second sliding grooves (45), the two second sliding grooves (45) are all communicated with the slot (44), a first connecting plate (46) and a second connecting plate (47) are slidably installed in the slot (44), and the first connecting plate (46) and the second connecting plate (47) are connected together through a hinge.

7. The news broadcasting prompter according to claim 6, wherein a cross bar (48) is fixedly installed on a side wall of the first connecting plate (46), the cross bar (48) is slidably installed in two second sliding grooves (45), pressing pieces (49) are symmetrically and fixedly installed on the cross bar (48), a protective cover (51) is fixedly installed at an upper end portion of the second connecting plate (47), screws (52) are symmetrically and fixedly installed on a side wall of the protective cover (51), and the two screws (52) are respectively matched with the two inner grooves (42).

8. The news broadcasting prompter according to claim 7, wherein the two screw rods (52) are respectively provided with a second threaded ring (53) in a threaded manner, the upper end parts of the object placing tables (41) are symmetrically and fixedly provided with fixing frames (54), and a third sliding groove (55) is formed in the two fixing frames (54).

9. The news broadcasting prompter according to claim 8, wherein springs (56) are fixedly installed at two ends of the two fixing frames (54), pressing strips (57) are slidably installed in the two third sliding grooves (55), and one ends, far away from the two fixing frames (54), of the two groups of springs (56) are fixedly connected with inner walls of the two pressing strips (57) respectively.

10. The news broadcasting prompter according to claim 9, wherein the lower ends of the two pressing bars (57) are provided with dovetail grooves (58), and dovetail bars (59) are slidably mounted in the two dovetail grooves (58).