CN210349246U

CN210349246U - Indoor holographic show stand of exhibition room

Info

Publication number: CN210349246U
Application number: CN201921855839.8U
Authority: CN
Inventors: 孙华龙; 范维娜; 叶分龙
Original assignee: Shenzhen Forest Landscape Sculpture Co Ltd
Current assignee: Shenzhen Forest Landscape Sculpture Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-04-17
Anticipated expiration: 2029-10-28

Abstract

The utility model relates to an indoor holographic show stand in exhibition room relates to the technical field of sample show, and it includes holographic imaging device, holographic projection equipment and show stand, and the show stand includes the base, and the lift groove has been seted up to the base upper end, is connected with the elevating platform on the base, and the terminal surface is equipped with smooth chamber under the elevating platform, and smooth chamber opening is equipped with elevating system down between smooth chamber and the base, and the elevating platform passes through elevating system and base sliding connection. Accessible control elevating system realizes the altitude mixture control to the show stand, according to the environment in different exhibition rooms and exhibition person's demand, highly adjusts the show stand, makes the exhibition person have better experience when seeing the exhibition when satisfying different exhibition room requirements.

Description

Indoor holographic show stand of exhibition room

Technical Field

The utility model belongs to the technical field of the technique of sample show and specifically relates to an indoor holographic show stand in exhibition room is related to.

Background

With the rapid development of information technology in the world, especially the popularization and application of digital technology, the demand of people on the stereo imaging technology is more and more obvious by using the visual and concentrated interactive expression of information and the cooperation of an informationized centralized management means, and with the stepping of the existing scientific technology into the three-dimensional new world, the holographic stereo imaging technology is taken as the most modern imaging technology at present, and holographic projection is a three-dimensional image which records and reproduces the reality of an object by using the interference and diffraction principles. When holographic projection is carried out, a holographic projection display table is often required. The holographic projection technology is suitable for product exhibition, automobile clothing release, stage programs, interaction, bar entertainment, place interactive projection and the like.

The prior holographic display platform has certain defects when in use, the display height of the display platform is not easy to adjust, and the display platforms with different heights are needed in different occasions, so that the holographic display platform with the proper height can be adjusted according to different occasions, and people with different heights can conveniently watch exhibits in the same occasion.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an indoor holographic show stand in exhibition room solves the drawback that holographic show stand can not height-adjusting.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an indoor holographic show stand in exhibition room, includes holographic imaging device, holographic projection equipment and show stand, the show stand includes the base, the lift groove has been seted up to the base upper end, be connected with the elevating platform on the base, the terminal surface is equipped with smooth chamber under the elevating platform, smooth chamber opening is down, be equipped with elevating system between smooth chamber and the base, the elevating platform passes through elevating system and base sliding connection.

Through adopting above-mentioned technical scheme, the elevating platform passes through elevating system and is connected with the base, and accessible control elevating system realizes the altitude mixture control to the show stand, according to the environment in different exhibition rooms and exhibition person's demand, highly adjusts the show stand, makes exhibition person have better experience when seeing the exhibition when satisfying different exhibition room requirements.

The utility model discloses further set up to: elevating system includes elevating system and drive assembly, elevating system connects in the second pivot of lift groove including rotating, the second pivot is connected with drive assembly and is rotatory by the drive assembly drive, two first drive levers that are parallel to each other of both ends fixedly connected with of second pivot, the other end sliding connection of first drive lever is in smooth chamber and keeps away from smooth chamber open-ended one end, two first drive lever all articulates there is first driven lever, first drive lever is the cross setting with first driven lever and middle part intercrossing conflict between them, two first driven lever one end sliding connection respectively is on two inner walls of lift groove, and the other end rotates to be connected in smooth chamber and keeps away from smooth chamber open-ended one end.

Through adopting above-mentioned technical scheme, base and elevating platform are connected respectively to the lifting unit, rotate the second pivot on the lifting unit and can make first initiative pole of mutual articulated and first driven lever be close to or keep away from towards the second pivot to realize the lift of control elevating platform.

The utility model discloses further set up to: the driving assembly comprises a worm, the worm is rotatably arranged in the lifting groove, the worm is meshed with a worm wheel, a vertical rotating shaft is fixedly connected with the worm wheel, the vertical rotating shaft is rotatably arranged at one end, far away from the opening of the lifting groove, a first bevel gear is fixedly connected to the upper end of the vertical rotating shaft, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly connected with a first rotating shaft which is perpendicular to the vertical rotating shaft, the first rotating shaft is rotatably arranged in the lifting groove, two driving gears are fixedly connected to the first rotating shaft, and the two driving gears are respectively meshed with a driven gear which is fixedly connected with the second rotating shaft.

Through adopting above-mentioned technical scheme, drive the worm wheel through rotating the worm, the power that will produce passes to first pivot through the bevel gear cooperation, and the driven gear who fixes in the epaxial second pivot is passed to by the driving gear of fixing in first pivot again, and then controls the lift of elevating platform through the rotation of second pivot, still utilizes the driven auto-lock characteristic of worm gear in addition, has solved the unable fixed problem behind the elevating platform height-adjusting.

The utility model discloses further set up to: the second rotating shaft is arranged at one end of the lifting groove in the length direction, the worm is arranged in parallel with the second rotating shaft and is located below the second rotating shaft, and the first rotating shaft is located on one side, facing the sliding connecting end of the first driven rod and the lifting groove, of the second rotating shaft and is located below the sliding connecting end of the first driven rod.

Through adopting above-mentioned technical scheme, set up the second pivot in one side of lift groove, the length setting of multiplicable first drive lever and first driven lever widens the adjustable height scope of elevating platform, and the worm setting is in the below of second pivot, and first pivot is established in the below of first spout, can increase the utilization to the lift inslot space, avoids the inside part of elevating system to influence each other.

The utility model discloses further set up to: one end of the worm penetrates through the base and the lifting platform and is fixedly connected with a polygonal block, the polygonal block is connected with a movable handle, and the movable handle and the polygonal block can be detachably arranged.

By adopting the technical scheme, the worm is rotated by matching the peripheral with the polygonal block and rotating the movable handle, so that people except workers can be prevented from adjusting the height of the lifting platform.

The utility model discloses further set up to: the base bottom is seted up opening wheel chamber of putting downwards, it is equipped with moving mechanism in the wheel chamber to put, moving mechanism includes the connecting plate, it is connected with a plurality of removal wheels to rotate on the connecting plate.

Through adopting above-mentioned technical scheme, set up on the connecting plate of base lower extreme and remove the wheel, can make things convenient for the removal of show stand.

The utility model discloses further set up to: the connecting plate rotates and is connected with two second driving levers, two second driving lever parallel arrangement and other end sliding connection are on putting the lateral wall in round chamber, two second driving lever all articulates there is the second driven lever, second driving lever and second driven lever cross arrangement and middle part intercrossing conflict between them, two the one end of second driven lever is rotated and is connected on the both sides face of connecting plate, and other end sliding connection is put round chamber inner wall and is put round chamber and keep away from open-ended one side, two fixedly connected with horizontal pole between the second driving lever, the horizontal pole is located the top of second driving lever and second driven lever cross section, the horizontal pole is connected with control assembly.

By adopting the technical scheme, the second driving rod and the second driven rod are controlled by the control assembly, when the rotating ends of the second driving rod and the second driven rod are controlled to be close to each other, the moving mechanism is completely positioned in the tooth placing cavity, when the rotating ends of the second driving rod and the second driven rod are controlled to be away from each other, the base leaves the ground, the display stand is supported by the moving mechanism, the display stand can be moved by pushing, and the design facilitates the movement of the display stand and the fixation of the display stand after the display stand is moved.

The utility model discloses further set up to: the control assembly comprises a hydraulic rod, the other end of the hydraulic rod is hinged to a connecting plate, the hydraulic rod is connected with two pedals, and the two pedals are respectively connected with a hydraulic rod pressure charging port and a pressure relief port.

Through adopting above-mentioned technical scheme, when needs remove the show stand, for the depression bar pressure boost through stepping on the footboard of connecting the pressure boost end, until moving mechanism supports the show stand completely, remove the show stand to suitable position after, step on the footboard of connecting the pressure release end and give the depression bar pressure release, moving mechanism retracts again and puts the wheel intracavity base once more and support the show stand with ground contact, easy operation is convenient, the show stand is mostly in the show state in addition, moving mechanism is located and puts the wheel intracavity, can slow down the harm of depression bar.

The utility model discloses further set up to: the lifting platform is provided with a first equipment cavity and a second equipment cavity, the openings of the first equipment cavity are mutually deviated, an equipment door is matched with the opening of the first equipment cavity, and one end of the equipment door penetrates through the lifting platform and is in sliding connection with the lifting platform.

Through adopting above-mentioned technical scheme, set up at the opening part in first equipment chamber with elevating platform sliding connection's equipment door, can conveniently be to installation, the dismantlement of holographic projector and the management in later stage.

To sum up, the utility model discloses a beneficial technological effect does:

1. according to the scheme, the lifting mechanism is arranged between the base and the lifting platform, so that the proper display height can be conveniently selected according to different display environments, and the defect that the height of the display platform cannot be adjusted is ingeniously overcome;

2. through the moving mechanism who sets up the lift in putting the wheel chamber at the base, make things convenient for the removal of show stand, can remove the back to the show stand simultaneously and stably place to stability when can improving the show stand and place.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial sectional view of the present invention;

FIG. 3 is a schematic view of section A of FIG. 2;

fig. 4 is a partial structural schematic diagram of the present invention.

In the figure, 1, a holographic imaging device; 2. a holographic projection device; 21. controlling the display screen; 211. a telescopic support rod; 22. a holographic projector; 3. a display stand; 31. a base; 311. a lifting groove; 312. a first chute; 313. a wheel placing cavity; 3131. a fourth chute; 32. a lifting platform; 321. a first equipment chamber; 322. a second equipment chamber; 323. a wire passing hole; 324. an equipment door; 325. a slide chamber; 326. a second chute; 4. a lifting mechanism; 41. a lifting assembly; 411. a second rotating shaft; 412. a first active lever; 413. a first driven lever; 42. a drive assembly; 421. a worm; 4211. polygonal blocks; 422. a driving gear; 423. a driven gear; 424. a second bevel gear; 425. a first rotating shaft; 426. a first bevel gear; 427. a vertical rotating shaft; 428. a worm gear; 5. a moving mechanism; 51. a connecting plate; 52. a moving wheel; 53. a third chute; 54. a second driving lever; 55. a second driven lever; 56. a cross bar; 6. a control component; 61. a hydraulic lever; 62. a pedal; 7. a movable handle.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses an indoor holographic show stand of exhibition room, including holographic imaging device 1, holographic projection equipment 2 and show stand 3, holographic imaging device 1 comprises polylith ya keli board, and holographic imaging device 1 is the 3 up end of show stand are arranged in to the inverted pyramid form, and the surface cover of ya keli board has holographic projection membrane, projects the image on the ya keli board through holographic projection equipment 2. The display stand 3 comprises a base 31 and a lifting platform 32 connected to the base 31 in a sliding manner, wherein a lifting mechanism 4 is arranged between the lifting platform 32 and the base 31, and the lifting platform 32 slides up and down on the base 31 through the lifting mechanism 4. The height of the lifting platform 32 is adjusted by controlling the lifting mechanism 4, so that the display platform 3 can be adjusted to a proper height according to the needs of people who watch the exhibition, and people can have better experience when watching the exhibition.

Referring to fig. 2, the holographic projection apparatus 2 includes a holographic projector 22 and a control display screen 21, a first apparatus chamber 321 for placing the holographic projector 22 and a second apparatus chamber 322 for placing the control display screen 21 are provided in the lifting table 32, a wire passing hole 323 is connected between the first apparatus chamber 321 and the second apparatus chamber 322, an output wire of the control display screen 21 passes through the wire passing hole 323 to be connected with the holographic projector 22, a projection hole is provided between the first apparatus chamber 321 and the holographic imaging device 1, the holographic projector 22 is installed on the projection hole, an object to be projected is selected on the control display screen 21, and the selected object is projected onto the holographic imaging device 1 through the projection hole by the holographic projector 22. The openings of the first device cavity 321 and the second device cavity 322 are away from each other, a device door 324 is matched at the opening of the first device cavity 321, the device door 324 is horizontally connected with the lifting platform 32 in a sliding manner, one end of the device door 324 penetrates through the lifting platform 32, and the holographic projector 22 in the first device cavity 321 can be installed or detached through the sliding device door 324. The upper portions of the two end faces of the control display screen 21 are hinged to the two sides of the second equipment cavity 322, the two end faces of the control display screen 21 are respectively and rotatably connected with the telescopic supporting rods 211, the other ends of the two telescopic supporting rods 211 are respectively and rotatably connected to the two side faces of the second equipment cavity 322, and when the control display screen 21 rotates to the outside of the second equipment cavity 322, the telescopic supporting rods 211 can support the control display screen 21.

Referring to fig. 2, a sliding chamber 325 is arranged below the lifting platform 32, the opening of the sliding chamber 325 faces downwards, and the inner wall of the sliding chamber 325 is connected with the side surface of the base 31 in a sliding manner. The upper end surface of the base 31 is provided with a lifting groove 311, two side walls of the lifting groove 311 are both provided with first sliding grooves 312, one end of the sliding cavity 325 away from the opening of the sliding cavity 325 is provided with two second sliding grooves 326, and the second sliding grooves 326 are parallel to the first sliding grooves 312 and are positioned right above the first sliding grooves 312. The lifting mechanism 4 includes a lifting component 41, the lifting component 41 includes a second rotating shaft 411 rotatably disposed at one end of the lifting slot 311 far away from the first sliding slot 312, two ends of the second rotating shaft 411 are respectively and fixedly connected with first driving rods 412, the other ends of the two first driving rods 412 are slidably connected in the second sliding slot 326, the two first driving rods 412 are respectively and hingedly connected with first driven rods 413, the first driving rods 412 and the first driven rods 413 are in crossed arrangement, middle portions of the first driving rods and the first driven rods 413 are in cross contact with each other, one ends of the two first driven rods 413 are slidably connected with the first sliding slot 312, and the other ends of the two first driven rods are hinged with the sliding cavity 325 far away from one end of the opening of the sliding. The first driving rod 412 fixed to the second rotating shaft 411 is rotated by rotating the second rotating shaft 411, and the sliding ends of the first driving rod 412 and the first driven rod 413 connected to the same side slide toward the rotating end, so that the lifting platform 32 is lifted; the sliding ends of the first driving rod 412 and the first driven rod 413 connected to the same side slide back to the rotating end, so that the lifting platform 32 descends, and the purpose of controlling the lifting platform 32 to ascend and descend is achieved.

Referring to fig. 2 and 3, in order to facilitate the control of the rotation of the second rotating shaft 411, the lifting mechanism 4 further includes a driving assembly 42, the driving assembly 42 includes two driven gears 423 symmetrically and fixedly disposed on the second rotating shaft 411, and the two driven gears 423 are located between the two first driving levers 412. The two driven gears 423 are respectively engaged with two driving gears 422, a first rotating shaft 425 is fixedly connected between the two driving gears 422, the first rotating shaft 425 is rotatably connected with the lifting slot 311, and the first rotating shaft 425 is located on one side of the second rotating shaft 411 facing the first sliding slot 312 and below the first sliding slot 312. The first rotating shaft 425 is fixedly connected with a second bevel gear 424, the second bevel gear 424 is positioned between the two driving gears 422, the second bevel gear 424 is meshed with a first bevel gear 426, the first bevel gear 426 is fixedly connected with a vertical rotating shaft 427, and the vertical rotating shaft 427 is rotatably connected to the bottom of the lifting slot 311. A worm wheel 428 is fixedly connected to one end of the vertical rotating shaft 427, which is far away from the first bevel gear 426, the worm wheel 428 is engaged with a worm 421, the worm 421 is rotatably connected in the lifting groove 311, the worm 421 is positioned below the second rotating shaft 411 and is arranged in parallel with the second rotating shaft 411, the worm wheel 428 and the worm 421 are engaged for transmission, and the self-locking characteristic of the engagement transmission of the worm wheel 428 and the worm 421 prevents the lifting platform 32 from descending due to self-gravity.

Referring to fig. 3, one end of the worm 421 penetrates the base 31 and the lifting platform 32 to extend to the outside of the lifting platform 32, and is fixedly connected with a polygonal block 4211, and the polygonal block 4211 is detachably connected with a movable handle 7 for rotating the worm 421. Through the limit matching of the peripheral movable handle 7 and the polygonal block 4211, the worm gear 428 is driven to rotate by rotating the movable handle 7, so that the first bevel gear 426 coaxially and fixedly connected with the worm gear 428 rotates, the two driving gears 422 coaxially and fixedly connected with the second bevel gear 424 are driven to rotate by the second bevel gear 424 meshed with the first bevel gear 426, and the second rotating shaft 411 rotates by the driven gear 423 meshed with the driving gears 422, so that the lifting assembly 41 is driven to lift, and the purpose of adjusting the height of the lifting platform 32 is achieved.

Referring to fig. 1 and 4, in order to facilitate the movement of the display table 3, a wheel placing cavity 313 is formed at the lower end of the base 31, the wheel placing cavity 313 has a downward opening, a moving mechanism 5 is disposed in the wheel placing cavity 313, the moving mechanism 5 includes a connecting plate 51, a plurality of moving wheels 52 are disposed on the connecting plate 51, and four moving wheels 52 are illustrated in this embodiment. The two side surfaces of the connecting plate 51 are symmetrically provided with third sliding grooves 53, the two side walls of the wheel placing cavity 313 parallel to the third sliding grooves 53 are correspondingly provided with fourth sliding grooves 3131, the fourth sliding grooves 3131 are positioned right above the third sliding grooves 53, the connecting plate 51 is connected with two second driven rods 55, the two second driven rods 55 are respectively in sliding connection with the two third sliding grooves 53, and the other end of the connecting plate is rotatably connected to one end of the wheel placing cavity 313 far away from the opening of the wheel placing cavity 313. Two second driven rods 55 are respectively hinged with a second driving rod 54, the second driving rod 54 and the second driven rod 55 are arranged in a crossed mode, the middle parts of the two second driving rods 54 and the second driven rod 55 are mutually crossed and abutted, one end of each second driving rod 54 is rotatably connected with the connecting plate 51, the other end of each second driving rod 54 is slidably connected with the fourth sliding groove 3131, a cross rod 56 is fixedly connected between the two second driving rods 54, the cross rod 56 is located above the crossed position of the second driving rods 54 and the second driven rods 55, the connecting plate 51 is hinged with the control assembly 6, and the other end of the control assembly 6 is hinged with the cross rod 56. Before the display stand 3 is moved, the base 31 is contacted with the ground, the moving mechanism 5 is positioned in the wheel placing cavity 313, the rotating ends of the second driving rod 54 and the second driven rod 55 are separated from each other through the control assembly 6 until the display stand 3 is completely supported by the moving mechanism 5, and then the display stand 3 can be moved; after the display stand 3 is moved to a proper position, the rotating ends of the second driving rod 54 and the second driven rod 55 are close to each other through the control assembly 6, so that the display stand 3 slowly descends until the bottom of the display stand contacts with the ground and supports the display stand 3, and the moving mechanism 5 is completely hidden in the wheel placing cavity 313, so that the problems of movement of the display stand 3 and fixation after movement are solved.

Referring to fig. 4, the control assembly 6 includes a hydraulic rod 61, one end of the hydraulic rod 61 is hinged to the connecting plate 51, the other end of the hydraulic rod 61 is hinged to the cross rod 56, the bottom of one side of the base 31 is hinged to two pedals 62, and the two pedals 62 are respectively connected to a pressure increasing port and a pressure releasing port of the hydraulic rod 61. The structure of the lifting part is controlled by the hydraulic rod 61 selected by the moving mechanism 5, when the product is displayed on the display table 3, the moving mechanism 5 is located in the wheel placing cavity 313 for a long time, the hydraulic rod 61 is in a non-working state, and only when the display table 3 needs to be moved, the hydraulic rod 61 works, the working time is short, and the damage to the hydraulic rod 61 can be reduced while the display table 3 is conveniently moved.

The implementation principle of the embodiment is as follows:

a lifting mechanism 4 is arranged between the lifting platform 32 and the base 31, the lifting mechanism 4 comprises a lifting component 41 formed by hinging a driving rod and a driven rod, and a driving component 42 formed by a worm gear 421 and a bevel gear, one end of the worm 421 is connected with an external movable handle 7, the worm gear 428 and the worm 421 are driven by rotating the movable handle 7, so as to drive a first bevel gear 426 coaxially fixed with the worm gear 428, the first bevel gear 426 drives a second bevel gear 424 meshed with the first bevel gear 426, so as to drive a driving gear 422 coaxially fixed with the second bevel gear 424, a driven gear 423 is meshed with the driving gear 422 to rotate, finally, a first driving rod 412 coaxially fixed with the driven gear 423 is driven, the first driving rod 412 is hinged with a first driven rod 413, when the first driving rod 412 rotates, the first driven rod 413 rotates along with the first driving rod, and the driving component 42 is driven by rotating the movable handle 7 to adjust the height of the display, the lifting unit 41 connected to the driving unit 42 is moved up and down.

When the product is displayed on the display table 3, the moving mechanism 5 is completely positioned in the wheel placing cavity 313, the base 31 contacts with the ground to support the display table 3, when the display table 3 needs to be moved, the moving wheel 52 is arranged on the moving mechanism 5, the hydraulic rod 61 can be pressurized by treading the pedal 62 until the moving mechanism 5 can support the display table 3, the display table 3 is moved to a proper position, and the pedal 62 is treaded to release the pressure of the hydraulic rod 61, so that the moving mechanism 5 completely returns to the wheel placing cavity 313.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an indoor holographic show stand of exhibition room, includes holographic imaging device (1), holographic projection equipment (2) and show stand (3), its characterized in that: show stand (3) include base (31), lift groove (311) have been seted up to base (31) upper end, be connected with elevating platform (32) on base (31), the terminal surface is equipped with smooth chamber (325) under elevating platform (32), smooth chamber (325) opening down, be equipped with elevating system (4) between smooth chamber (325) and base (31), elevating platform (32) are through elevating system (4) and base (31) sliding connection.

2. The holographic display of in exhibition room of claim 1, characterized by: the lifting mechanism (4) comprises a lifting component (41) and a driving component (42), the lifting component (41) comprises a second rotating shaft (411) which is rotatably connected with the lifting groove (311), the second rotating shaft (411) is connected with the driving component (42) and is driven by the driving component (42) to rotate, two ends of the second rotating shaft (411) are fixedly connected with two first driving rods (412) which are parallel to each other, the other end of the first driving rod (412) is connected with one end of the sliding cavity (325) far away from the opening of the sliding cavity (325) in a sliding manner, the two first driving rods (412) are hinged with first driven rods (413), the first driving rod (412) and the first driven rod (413) are arranged in a crossed mode, the middle portions of the first driving rod and the first driven rod are mutually crossed and abutted, one end of each of the two first driven rods (413) is respectively connected to the two inner walls of the lifting groove (311) in a sliding mode, and the other end of each of the two first driven rods is rotatably connected to one end, away from the opening of the sliding cavity (325), of the sliding cavity (325).

3. The holographic display of in exhibition room of claim 2, characterized by: the driving assembly (42) comprises a worm (421), the worm (421) is rotatably arranged in the lifting groove (311), the worm (421) is meshed with a worm wheel (428), the worm wheel (428) is fixedly connected with a vertical rotating shaft (427), the vertical rotating shaft (427) is rotatably arranged at one end of the lifting groove (311) far away from the opening of the lifting groove (311), a first bevel gear (426) is fixedly connected to the upper end of the vertical rotating shaft (427), a second bevel gear (424) is meshed with the first bevel gear (426), the second bevel gear (424) is fixedly connected with a first rotating shaft (425) which is perpendicular to the vertical rotating shaft (427), the first rotating shaft (425) is rotatably arranged in the lifting groove (311), two driving gears (422) are fixedly connected to the first rotating shaft (425), and driven gears (423) are respectively meshed with the two driving gears (422), the two driven gears (423) are fixedly connected with the second rotating shaft (411).

4. The holographic display of claim 3, in the exhibition hall room, wherein: second pivot (411) set up in lift groove (311) length direction's one end, worm (421) and second pivot (411) parallel arrangement just are located the below of second pivot (411), first pivot (425) are located second pivot (411) towards first driven lever (413) and lift groove (311) sliding connection end one side, and are located the below of first driven lever (413) sliding connection end.

5. The holographic display of claim 3, in the exhibition hall room, wherein: one end of the worm (421) penetrates through the base (31) and the lifting platform (32) and is fixedly connected with a polygonal block (4211), the polygonal block (4211) is connected with a movable handle (7), and the movable handle (7) and the polygonal block (4211) are detachably arranged.

6. The holographic display of claim 1, in the showroom room, wherein: the bottom end of the base (31) is provided with a wheel placing cavity (313) with a downward opening, a moving mechanism (5) is arranged in the wheel placing cavity (313), the moving mechanism (5) comprises a connecting plate (51), and the connecting plate (51) is connected with a plurality of moving wheels (52) in a rotating mode.

7. The holographic display of in exhibition room of claim 6, characterized by: the connecting plate (51) is rotatably connected with two second driving rods (54), the two second driving rods (54) are arranged in parallel, the other ends of the two second driving rods (54) are connected to the side wall of the wheel placing cavity (313) in a sliding manner, the two second driving rods (54) are hinged with second driven rods (55), the second driving rods (54) and the second driven rods (55) are arranged in a crossed manner, the middle parts of the second driving rods and the second driven rods are mutually crossed and butted, one ends of the two second driven rods (55) are rotatably connected to two side surfaces of the connecting plate (51), the other ends of the two second driven rods are connected to one side, far away from the opening, of the wheel placing cavity (313) in the inner wall of the wheel placing cavity (313), a cross rod (56) is fixedly connected between the two second driving rods (54), the cross rod (56) is positioned above the intersection of the second driving rod (54) and the second driven rod (55), and the cross rod (56) is connected with the control assembly (6).

8. The holographic display of claim 7, in the showroom room, wherein: the control assembly (6) comprises a hydraulic rod (61), the other end of the hydraulic rod (61) is hinged to a connecting plate (51), the hydraulic rod (61) is connected with two pedals (62), and the two pedals (62) are respectively connected with a pressure increasing opening and a pressure relief opening of the hydraulic rod (61).

9. The holographic display of claim 1, in the showroom room, wherein: be equipped with first equipment chamber (321) and second equipment chamber (322) that the opening deviates from each other on elevating platform (32), the opening part cooperation of first equipment chamber (321) has equipment door (324), the one end of equipment door (324) run through elevating platform (32) and with elevating platform (32) sliding connection.