Exhibition hall design service exhibition device

Abstract

The exhibition hall design service exhibition device comprises an exhibition stand and a transverse screen liquid crystal display body, supporting piles are arranged at the lower ends of the four corners of the exhibition stand, first cavities are formed in the side walls of the left end and the right end of the exhibition stand, and lifting mechanisms are vertically arranged on the top faces of the two first cavities in a penetrating mode. The lifting pile is driven by the servo motor to vertically ascend and descend under the limiting action of the limiting block, the first limiting rod, the first connecting rod and the ball, the transverse screen liquid crystal display body is driven by the lifting pile to vertically ascend and descend, the display height can be conveniently adjusted according to actual needs, an exhibit is placed on the T-shaped material carrying table to be matched with the clamping mechanism to be clamped and positioned, and the display efficiency is improved. And the exhibit clamped and positioned on the circular material carrying table is driven by the servo motor to rotate and adjust under the limiting action of the pulley and the annular groove, so that the angle of the exhibit can be conveniently adjusted according to actual requirements, and the exhibition effect is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of exhibition hall service exhibition, and in particular to an exhibition hall design service exhibition device. Background Art

[0002] An exhibition hall is usually composed of multiple exhibition halls or display areas. The design style of the exhibition hall directly affects the exhibition form of the internal exhibition hall. The local exhibition hall must obey the overall design of the exhibition hall. The exhibition hall is a place for displaying goods, economic trade, information dissemination, conference exchanges and other activities. The design of the exhibition hall is a comprehensive process, involving the purpose and theme positioning of the exhibition hall, the spatial layout and the design of the display form.

[0003] In the prior art, such as announcement number CN113768324A, a kind of exhibition hall design service exhibition device is disclosed, which is provided with a first transparent partition and a second transparent partition inside a transparent shell, and a display cavity is formed between the first transparent partition, the second transparent partition and the transparent shell, and an amplification cavity is formed between the first transparent partition and the shell... A control switch is provided outside the shell, and the control switch is electrically connected to the water pump group. It is possible to change the function of the transparent convex mirror by extracting and pumping in a transparent medium, thereby meeting the needs of visitors for font magnification research. The technical solution of the above patent has the following shortcomings: 1. The horizontal screen with display slogans is fixed, which is not convenient for adjusting the display information height according to actual needs; 2. There is a lack of exhibit positioning structure during the exhibition process, and the exhibits may be misplaced or even fall and be damaged when the visitors touch the exhibition stand; 3. The exhibits on the exhibition stand are not convenient for adjusting the exhibit angle according to actual needs, which affects the effect of the exhibition. Summary of the invention

[0004] In view of the deficiencies and defects in the prior art, the present invention proposes an exhibition hall design service exhibition device to solve the technical problems raised in the background technology.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A hall design service exhibition device comprises an exhibition stand and a horizontal screen liquid crystal display body, wherein the lower ends of the exhibition stand at the four corners are provided with supporting piles, the side walls of the exhibition stand at the left and right ends are provided with first chambers, the top surfaces of the two first chambers are vertically penetrated by lifting mechanisms, the inner wall of the left first chamber is horizontally penetrated by a driving mechanism, the driving mechanism is connected with the lifting transmission, the horizontal screen liquid crystal display body is arranged on the lifting mechanism, the upper ends of the front and rear sides of the exhibition stand are provided with L-shaped grooves, the inner walls and bottoms of the two L-shaped grooves are fixedly connected with two partitions, two fixing seats are fixedly connected between the L-shaped grooves and the partitions and between the opposite side walls of the two partitions, circular loading platforms are rotatably connected to the upper ends of several of the fixing seats and the bottoms of the two L-shaped grooves, and clamping mechanisms are provided on several of the circular loading platforms.

[0006] Preferably, rollers are installed at the lower ends of the four support piles, and the two partitions on the same side divide the L-shaped slot into equal parts, and are evenly spaced apart from each other between the fixing seat and the bottom of the L-shaped slot.

[0007] Preferably, a plurality of U-shaped pallets are fixedly connected to the inner walls of the two L-shaped slots, the plurality of U-shaped pallets are respectively located above a plurality of circular loading platforms, and label cards are inserted into the plurality of U-shaped pallets.

[0008] Preferably, the lifting mechanism includes support plates fixedly connected to the inner walls of the two first chambers, the two support plates are arranged near the bottom of the first chamber, the upper ends of the center positions of the two support plates are vertically rotatable and penetrated by threaded rods, the ends of the two threaded rods near the bottom of the first chamber are coaxially fixedly connected with first bevel gears, the two first bevel gears are transmission connected to the driving mechanism, lifting piles are vertically penetrated on the top surfaces of the two first chambers, the lower ends of the two lifting piles are provided with threaded grooves, the two threaded rods are threadedly connected to the two thread grooves respectively, and the same first connecting rod is fixedly connected to the opposite side walls of the two lifting piles near the upper ends.

[0009] Preferably, limit blocks are fixedly connected to the left and right side walls of the lifting pile close to the lower end, two first limit rods are fixedly connected to the top surface of the first chamber, the two first limit rods vertically penetrate the two limit blocks respectively and are fixedly connected to the upper end of the support plate, and balls are embedded in the side walls of the two limit blocks away from the lifting piles, and the balls roll against the inner wall of the first chamber.

[0010] Preferably, the driving mechanism includes servo motors respectively fixedly mounted on the side walls of the two left support piles and a through slot connecting the two first chambers. A rotating rod is fixedly connected to the driving shaft of the servo motor. The rotating rod rotates horizontally through the through slot and is rotatably connected to the inner wall of the right first chamber. A second bevel gear is coaxially fixedly connected to one end of the rotating rod located in the two first chambers, and the two second bevel gears are respectively meshed with the two first bevel gears.

[0011] Preferably, circular grooves are provided on the upper ends of the center positions of several of the fixed seats and on the bottoms of several of the fixed seats opposite to the L-shaped grooves, servo motors are fixedly installed on the bottoms of several of the circular grooves, the upper ends of the driving shafts of several of the servo motors are fixedly connected to the lower ends of the center positions of several circular loading platforms, respectively, a second chamber is provided in several of the circular loading platforms, and a second connecting rod is horizontally rotatably penetrated on the front and rear inner walls of several of the second chambers, a driving motor is fixedly installed on the front end side walls of several of the circular loading platforms, the driving shaft of the driving motor is fixedly connected to the front end of the second connecting rod, and a gear is coaxially fixedly connected to one end of the second connecting rod located in the second chamber, and toothed plates are provided on the inner walls of the second chamber close to the top surface and the bottom, and the two toothed plates are meshed with gears, and the clamping mechanism is provided on the side walls of the two toothed plates away from the gears.

[0012] Preferably, the upper ends of the center positions of several of the circular loading platforms are fixedly connected with T-shaped loading seats, the lower ends of several of the circular loading platforms away from the center of the circle are fixedly installed with two symmetrically distributed pulleys, the upper ends of several of the fixed seats and the bottoms of several of the fixed seats opposite to the L-shaped grooves are provided with annular grooves, and the two symmetrically distributed pulleys are inserted in the same annular groove.

[0013] Preferably, the clamping mechanism includes two symmetrically distributed strip openings arranged at the upper end of the circular loading platform, the two strip openings are both connected to the second chamber, the two strip openings are respectively arranged opposite to the two tooth plates, the side walls of the two tooth plates away from the gears are fixedly connected with shift plates, the two shift plates vertically penetrate the two strip openings respectively, the left and right side inner walls of the two strip openings are fixedly connected with second limit rods, the two second limit rods horizontally penetrate the two shift plates respectively, two sleeves are fixedly connected to the opposite side walls of the two shift plates, hydraulic buffers are fixedly connected in the two sleeves, the ends of the two hydraulic buffers on the same side away from the sleeves are fixedly connected with fixing rods, the ends of the two fixing rods on the same side away from the sleeves are fixedly connected with the same clamping plate, the opposite side walls of the two clamping plates are arranged in an arc shape, and the T-shaped loading seat and the clamping plate are both rubber products.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The servo motor drives the two threaded rods to rotate in the same direction at the same time, so that the two threaded rods drive the two lifting piles to vertically lift under the limiting action of the limit block, the first limit rod, the first connecting rod and the ball, and the two lifting piles drive the horizontal screen LCD display body to vertically lift, so as to adjust the display height according to actual needs.

[0015] 2. By placing the exhibits on the T-shaped loading platform, starting the driving motor drives the two shift plates to move horizontally relative to each other under the limiting action of the strip opening and the second limiting rod, and the two shift plates cooperate with the clamping mechanism to clamp and position the exhibits to prevent the exhibits from being displaced or falling and damaged when visitors touch the exhibition stand.

[0016] 3. The exhibits clamped and positioned on the circular loading platform are driven by the servo motor to rotate and adjust under the limiting action of the pulley and the annular groove, so that the angle of the exhibits can be adjusted according to actual needs to ensure the exhibition effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of an exhibition hall design service exhibition device proposed by the present invention; Figure 2 A perspective schematic diagram of an exhibition hall design service exhibition device proposed by the present invention; Figure 3 for Figure 2 A partial enlarged view of the middle A; Figure 4 for Figure 2 A partial enlarged view of point B in the middle; Figure 5 for Figure 2 A partial enlarged view of point C in the middle; Figure 6 This is a structural schematic diagram of a circular loading platform and a clamping mechanism of an exhibition hall design service exhibition device proposed by the present invention; Figure 7 The present invention provides a schematic structural diagram of a clamping mechanism for an exhibition hall design service exhibition device.

[0018] In the figure: 1 exhibition stand, 2 horizontal screen LCD display body, 3 support pile, 4 first chamber, 5 L-shaped slot, 6 partition, 7 fixed seat, 8 circular loading platform, 9 roller, 10 U-shaped card plate, 11 label card, 12 support plate, 13 threaded rod, 14 first bevel gear, 15 lifting pile, 16 threaded groove, 17 first connecting rod, 18 limit block, 19 first limit rod, 20 ball, 21 servo motor, 22 through groove, 23 rotating rod, 24 second bevel gear, 25 circular groove, 26 servo motor, 27 second chamber, 28 second connecting rod, 29 gear, 30 tooth plate, 31 T-shaped loading seat, 32 pulley, 33 annular groove, 34 strip opening, 35 shift plate, 36 second limit rod, 37 sleeve, 38 hydraulic buffer, 39 fixed rod, 40 clamping plate. DETAILED DESCRIPTION

[0019] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Reference Figure 1-7 As shown, an exhibition hall design service exhibition device includes an exhibition stand 1 and a horizontal screen liquid crystal display body 2. Support piles 3 are provided at the lower ends of the four corners of the exhibition stand 1. Rollers 9 are installed at the lower ends of the four support piles 3. The support piles 3 cooperate with the rollers 9 to facilitate the movement of the exhibition stand 1. Two partitions 6 on the same side divide the L-shaped slot 5 into equal parts. The upper and lower relative fixed seats 7 and the bottom of the L-shaped slot 5 are evenly spaced. A number of U-shaped pallets 10 are fixedly connected to the inner walls of the two L-shaped slots 5. The U-shaped pallets 10 are respectively located above a number of circular loading platforms 8. Label cards 11 are inserted in the U-shaped pallets 10. The side walls of the exhibition stand 1 located at the left and right ends are provided with a first chamber 4. The corresponding name and detailed information of the exhibits are written on the label card 11 and inserted in the U-shaped pallet 10.

[0022] A lifting mechanism is vertically penetrated on the top surface of the two first chambers 4, and the horizontal screen liquid crystal display body 2 is arranged on the lifting mechanism. The lifting mechanism includes support plates 12 fixedly connected to the inner walls of the two first chambers 4 respectively. The two support plates 12 are arranged near the bottom of the first chamber 4. The upper ends of the center positions of the two support plates 12 are vertically rotated and penetrated with threaded rods 13. One end of the two threaded rods 13 near the bottom of the first chamber 4 is coaxially fixedly connected with a first bevel gear 14. The two first bevel gears 14 are transmission-connected to the driving mechanism. The two first chambers 4 A lifting pile 15 is vertically penetrated through the top surface of the two lifting piles 15, and a threaded groove 16 is provided at the lower end of the two lifting piles 15. The two threaded rods 13 are threadedly connected with the two threaded grooves 16 respectively. The threaded rod 13 rotates to cooperate with the threaded groove 16 to drive the two lifting piles 15 to cooperate with the first connecting rod 17 to vertically lift together under the limiting action of the limit block 18, the first limit rod 19, the ball 20 and the first connecting rod 17. The same first connecting rod 17 is fixedly connected to the opposite side walls of the two lifting piles 15 near the upper end. The first connecting rod 17 is used for simultaneous lifting of the two lifting piles 15.

[0023] Limit blocks 18 are fixedly connected to the left and right side walls near the lower end of the lifting pile 15, and two first limit rods 19 are fixedly connected to the top surface of the first chamber 4. The two first limit rods 19 vertically penetrate the two limit blocks 18 respectively and are fixedly connected to the upper end of the support plate 12. The limit blocks 18 cooperate with the first limit rods 19 to ensure that the lifting pile 15 can only be vertically lifted and lowered with the rotation of the threaded rod 13, and limit the lifting range of the lifting pile 15 to prevent deflection. Balls 20 are embedded in the side walls of the two limit blocks 18 away from the lifting pile 15. The balls 20 roll against the inner wall of the first chamber 4, and the balls 20 facilitate the lifting and lowering movement of the limit blocks 18 and the lifting pile 15.

[0024] A driving mechanism is horizontally penetrated through the inner wall of the left first chamber 4, and the driving mechanism is connected to the lifting transmission. The driving mechanism includes a servo motor 21 fixedly mounted on the side walls of the two support piles 3 on the left and a through slot 22 connected between the two first chambers 4. A rotating rod 23 is fixedly connected to the driving shaft of the servo motor 21. The rotating rod 23 rotates horizontally and penetrates the through slot 22 and is rotatably connected to the inner wall of the right first chamber 4. A second bevel gear 24 is coaxially fixedly connected to one end of the rotating rod 23 located in the two first chambers 4. Starting the servo motor 21 drives the two second bevel gears 24 on the rotating rod 23 to rotate, and the two second bevel gears 24 are respectively meshed with the two first bevel gears 14, and the two second bevel gears 24 respectively drive the two meshed first bevel gears 14 to mesh, and the rotation of the two first bevel gears 14 drives the coaxially connected threaded rod 13 to rotate.

[0025] L-shaped slots 5 are provided on the upper ends of the front and rear sides of the exhibition stand 1. Two partitions 6 are fixedly connected to the inner walls and the bottom of the two L-shaped slots 5. Two fixing seats 7 are fixedly connected between the L-shaped slots 5 and the partitions 6 and between the opposite side walls of the two partitions 6. The two partitions 6 cooperate with a number of fixing seats 7 to divide the L-shaped slots 5 into a plurality of independent exhibition slots. A circular loading platform 8 is rotatably connected to the upper ends of the several fixing seats 7 and the bottoms of the two L-shaped slots 5. A circular groove 25 is provided on the upper ends of the center positions of the several fixing seats 7 and the bottoms of the L-shaped slots 5 facing the several fixing seats 7. A servo motor 26 is fixedly installed on the bottoms of the several circular grooves 25. The servo motor 26 drives the exhibits clamped and positioned on the circular loading platform 8 to rotate and adjust under the limiting action of the pulley 32 and the annular groove 33, so as to adjust the exhibit angle according to actual needs and ensure the exhibition effect. The upper ends of the driving shafts of the several servo motors 26 are respectively connected to the several circular loading platforms 8. The lower end of the center position of the material platform 8 is fixedly connected, and a second chamber 27 is provided in several circular loading platforms 8. A second connecting rod 28 is horizontally rotatably penetrated on the inner walls on the front and rear sides of the center position of several second chambers 27. A driving motor (not shown in the figure) is fixedly installed on the front end side wall of several circular loading platforms 8. The driving motor (not shown in the figure) is used to drive the gear 29 on the second connecting rod 28 to rotate, so that the rotation of the gear 29 drives the two toothed plates 30 and the shift plate 35 to move horizontally relative to each other under the limiting action of the strip opening 34 and the second limiting rod 36. The driving shaft of the driving motor is fixedly connected to the front end of the second connecting rod 28, and the end of the second connecting rod 28 located in the second chamber 27 is coaxially fixedly connected with the gear 29. Toothed plates 30 are provided on the inner walls of the second chamber 27 near the top surface and the bottom, and the two toothed plates 30 are meshed with the gear 29. The clamping mechanism is arranged on the side walls of the two toothed plates 30 away from the gear 29.

[0026] The upper ends of the central positions of the plurality of circular loading platforms 8 are all fixedly connected with a T-shaped loading seat 31, and the lower ends of the plurality of circular loading platforms 8 away from the center of the circle are all fixedly installed with two symmetrically distributed pulleys 32, and the upper ends of the plurality of fixed seats 7 and the bottoms of the L-shaped slots 5 facing the plurality of fixed seats 7 are all provided with annular grooves 33, and the two symmetrically distributed pulleys 32 are all inserted into the same annular groove 33, and when the pulleys 32 move in the annular groove 33, it is convenient for the circular loading platform 8 to rotate, and the plurality of circular loading platforms 8 are all provided with a clamping mechanism, and the clamping mechanism includes a clamping mechanism arranged on the circular loading platform 8. There are two symmetrically distributed strip openings 34 at the upper end of the platform 8, and the two strip openings 34 are connected to the second chamber 27. The two strip openings 34 are respectively arranged opposite to the two tooth plates 30. The side walls of the two tooth plates 30 away from the gear 29 are fixedly connected with shift plates 35. The two shift plates 35 vertically penetrate the two strip openings 34 respectively. The two shift plates 35 drive the two clamping plates 40 to move relative to each other and contact the exhibits. The exhibits are in contact with the arc-shaped end faces of the clamping plates 40 of the rubber products. The inner walls on the left and right sides of the two strip openings 34 are fixedly connected with the two clamping plates 40. A second limiting rod 36 is connected, and the strip opening 34 cooperates with the second limiting rod 36 to provide stable limiting for the shift plate 35 and the tooth plate 30, so that the gear 29 cooperates with the two tooth plates 30 to drive the two shift plates 35 to move horizontally smoothly. The two second limiting rods 36 are respectively horizontally penetrated through the two shift plates 35. Two sleeves 37 are fixedly connected to the opposite side walls of the two shift plates 35. The two sleeves 37 are fixedly connected with hydraulic buffers 38. The ends of the two hydraulic buffers 38 on the same side away from the sleeves 37 are fixedly connected with fixed rods 39. The end of the fixing rod 39 away from the sleeve 37 is fixedly connected to the same clamping plate 40, and the opposite side walls of the two clamping plates 40 are arranged in an arc shape. The T-shaped loading seat 31 and the clamping plate 40 are both made of rubber products. The exhibit is in contact with the arc-shaped end surface of the clamping plate 40 made of rubber products. The clamping plate 40 is subjected to force to drive the fixing rod 39 to compress the hydraulic buffer 38 in the sleeve 37, so that the hydraulic buffer 38 cooperates with the clamping plate 40 made of rubber products to clamp and position the exhibit and provide buffering protection to prevent the exhibits from being dislocated or falling and being damaged when visitors touch the exhibition stand 1.

[0027] When the present invention is in use, the exhibit is placed on the upper end of the T-shaped loading seat 31 on the plurality of circular loading platforms 8, and the driving motor (not shown in the figure) is started to drive the gear 29 on the second connecting rod 28 to rotate, so that the gear 29 rotates to drive the two toothed plates 30 and the shifting plate 35 to move horizontally relative to each other under the limiting action of the strip opening 34 and the second limiting rod 36, so that the two shifting plates 35 drive the two clamping plates 40 to move relative to each other and contact the exhibit, and the exhibit contacts the arcuate end surface of the clamping plate 40 of the rubber product, and the clamping plate 40 is forced to drive the fixing rod 39 to compress the hydraulic buffer 38 in the sleeve 37, so that the hydraulic buffer 38 cooperates with the clamping plate 40 of the rubber product to clamp and position the exhibit and provide buffer protection, so as to prevent the exhibit from being displaced or falling and damaged when the visitors touch the exhibition stand 1, and write the corresponding name and detailed information of the exhibit on the label card 11, and insert it in the U-shaped card board 10, and display the exhibit title on the horizontal On the LCD display body 2, the servo motor 21 is started to drive the two second bevel gears 24 on the rotating rod 23 to rotate, so that the two second bevel gears 24 drive the two meshing first bevel gears 14 to mesh, and the two first bevel gears 14 rotate to drive the coaxially connected threaded rod 13 to rotate. At this time, the two threaded rods 13 rotate to cooperate with the threaded groove 16 to drive the two lifting piles 15 to vertically lift together under the limiting action of the limit block 18, the first limiting rod 19, the ball 20 and the first connecting rod 17, and the two lifting piles 15 drive the horizontal LCD display body 2 to vertically lift, so as to adjust the display information height according to actual needs and improve the exhibition recognition. During the exhibition, the servo motor 26 is started at a fixed time by an external PLC controller (not shown in the figure) to drive the exhibits clamped and positioned on the circular loading platform 8 to rotate and adjust under the limiting action of the pulley 32 and the annular groove 33, so as to adjust the exhibit angle according to actual needs and ensure the exhibition effect.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An exhibition hall design service exhibition device, comprising an exhibition stand (1) and a horizontal screen liquid crystal display body (2), characterized in that: The exhibition stand (1) is provided with support piles (3) at the lower ends of the four corners. The exhibition stand (1) is provided with first chambers (4) in the side walls at the left and right ends. A lifting mechanism is vertically penetrated on the top surfaces of the two first chambers (4). A driving mechanism is horizontally penetrated on the inner wall of the left first chamber (4). The driving mechanism is connected to the lifting transmission. The horizontal screen liquid crystal display body (2) is arranged on the lifting mechanism. The upper ends of the front and rear sides of the exhibition stand (1) are provided with L-shaped slots (5). Two partitions (6) are fixedly connected on the inner walls and bottoms of the two L-shaped slots (5). Two fixing seats (7) are fixedly connected between the L-shaped slots (5) and the partitions (6) and between the opposite side walls of the two partitions (6). Circular loading platforms (8) are rotatably connected to the upper ends of the fixing seats (7) and the bottoms of the two L-shaped slots (5). A clamping mechanism is provided on the circular loading platforms (8).

2. The exhibition hall design service exhibition device according to claim 1, characterized in that: Rollers (9) are installed at the lower ends of the four support piles (3), and the two partitions (6) on the same side divide the L-shaped slot (5) into equal parts and are evenly spaced apart from each other between the fixing seat (7) and the bottom of the L-shaped slot (5).

3. The exhibition hall design service exhibition device according to claim 1, characterized in that: A plurality of U-shaped pallets (10) are fixedly connected to the inner walls of the two L-shaped slots (5); the plurality of U-shaped pallets (10) are respectively located above a plurality of circular loading platforms (8); and label cards (11) are inserted into the plurality of U-shaped pallets (10).

4. The exhibition hall design service exhibition device according to claim 1, characterized in that: The lifting mechanism comprises support plates (12) respectively fixedly connected to the inner walls of the two first chambers (4), the two support plates (12) are arranged near the bottom of the first chamber (4), the upper ends of the two support plates (12) are vertically rotatably penetrated by threaded rods (13), one end of the two threaded rods (13) near the bottom of the first chamber (4) is coaxially fixedly connected to a first bevel gear (14), the two first bevel gears (14) are transmission-connected to the driving mechanism, the top surfaces of the two first chambers (4) are vertically penetrated by lifting piles (15), the lower ends of the two lifting piles (15) are provided with threaded grooves (16), the two threaded rods (13) are respectively threadedly connected to the two threaded grooves (16), and the two lifting piles (15) are fixedly connected to the opposite side walls near the upper ends.

5. The exhibition hall design service exhibition device according to claim 4, characterized in that: The left and right side walls of the lifting pile (15) close to the lower end are fixedly connected to limit blocks (18); the top surface of the first chamber (4) is fixedly connected to two first limit rods (19); the two first limit rods (19) vertically penetrate the two limit blocks (18) and are fixedly connected to the upper end of the support plate (12); the side walls of the two limit blocks (18) away from the lifting pile (15) are embedded with balls (20); the balls (20) roll against the inner wall of the first chamber (4).

6. The exhibition hall design service exhibition device according to claim 4, characterized in that: The driving mechanism comprises a servo motor (21) respectively fixedly mounted on the side walls of the two left support piles (3) and a through slot (22) connected between the two first chambers (4); a rotating rod (23) is fixedly connected to the driving shaft of the servo motor (21); the rotating rod (23) rotates horizontally to pass through the through slot (22) and is rotatably connected to the inner wall of the right first chamber (4); a second bevel gear (24) is coaxially fixedly connected to one end of the rotating rod (23) located in the two first chambers (4); and the two second bevel gears (24) are respectively meshed with the two first bevel gears (14).

7. The exhibition hall design service exhibition device according to claim 1, characterized in that: A circular groove (25) is provided at the upper end of the center position of the plurality of fixed seats (7) and at the bottom of the L-shaped slot (5) facing the plurality of fixed seats (7). A servo motor (26) is fixedly installed at the bottom of the plurality of circular grooves (25). The upper ends of the drive shafts of the plurality of servo motors (26) are respectively fixedly connected to the lower ends of the center positions of the plurality of circular loading platforms (8). The plurality of circular loading platforms (8) are provided with a second chamber (27). The second connecting rod (27) is provided on the inner walls of the front and rear sides of the center positions of the plurality of second chambers (27) so as to be rotatably penetrated horizontally. A connecting rod (28), a driving motor is fixedly installed on the front end side wall of the circular loading platform (8), the driving shaft of the driving motor is fixedly connected to the front end of the second connecting rod (28), one end of the second connecting rod (28) located in the second chamber (27) is coaxially fixedly connected to a gear (29), and toothed plates (30) are arranged on the inner walls of the second chamber (27) near the top surface and the bottom surface, and the two toothed plates (30) are meshed with the gear (29), and the clamping mechanism is arranged on the side walls of the two toothed plates (30) away from the gear (29).

8. The exhibition hall design service exhibition device according to claim 7, characterized in that: The upper ends of the central positions of the plurality of circular loading platforms (8) are fixedly connected to a T-shaped loading seat (31), the lower ends of the plurality of circular loading platforms (8) away from the center of the circle are fixedly installed with two symmetrically distributed pulleys (32), the upper ends of the plurality of fixed seats (7) and the bottoms of the L-shaped slots (5) facing the plurality of fixed seats (7) are provided with an annular groove (33), and the two symmetrically distributed pulleys (32) are inserted into the same annular groove (33).

9. The exhibition hall design service exhibition device according to claim 8, characterized in that: The clamping mechanism comprises two symmetrically distributed strip openings (34) arranged at the upper end of the circular loading platform (8), the two strip openings (34) are both connected to the second chamber (27), the two strip openings (34) are respectively arranged opposite to the two tooth plates (30), the side walls of the two tooth plates (30) away from the gear (29) are fixedly connected with a shift plate (35), the two shift plates (35) are respectively vertically penetrated through the two strip openings (34), the left and right inner walls of the two strip openings (34) are fixedly connected with second limit rods (36), and the two second limit rods (36) are Two shift plates (35) are respectively arranged to penetrate horizontally, and two sleeves (37) are fixedly connected to the opposite side walls of the two shift plates (35), and hydraulic buffers (38) are fixedly connected in the two sleeves (37). The ends of the two hydraulic buffers (38) on the same side away from the sleeves (37) are fixedly connected to fixing rods (39), and the ends of the two fixing rods (39) on the same side away from the sleeves (37) are fixedly connected to the same clamping plate (40). The opposite side walls of the two clamping plates (40) are arranged in an arc shape, and the T-shaped material loading seat (31) and the clamping plate (40) are both made of rubber.

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