CN109519002B

CN109519002B - Liftable chairman platform

Info

Publication number: CN109519002B
Application number: CN201810857787.1A
Authority: CN
Inventors: 朱广力
Original assignee: Heilongjiang Yibo Lianchuang Technology Development Co ltd
Current assignee: Heilongjiang Yibo Lianchuang Technology Development Co ltd
Priority date: 2018-07-31
Filing date: 2018-07-31
Publication date: 2021-06-01
Anticipated expiration: 2038-07-31
Also published as: CN109519002A

Abstract

The invention discloses a liftable chairman platform, which comprises a chairman platform body, a sunshade body, a lifting flag pole and a telescopic stair, wherein the sunshade body, the lifting flag pole and the telescopic stair are connected with the chairman platform body; the seat table body comprises a main table top, a scissor type lifting unit I and a bottom plate; the main body table top is fixed on the top surface of the bottom plate through a first scissor type lifting unit; the sunshade body is arranged on the bottom plate and is positioned on one side of the main body table board far away from audiences; the lifting flagpole is arranged on the bottom plate and is positioned on one side of the sunshade body away from the audience; the telescopic stairs are arranged on two sides of the table-board of the main body. The height of the table top of the main body can be adjusted steplessly; the sunshade is provided with a foldable sunshade, and the sunshade can be stretched or folded to be hidden according to needs in the use process; meanwhile, the telescopic stairway is arranged, so that the stairway can be selected to be contracted, hidden or stretched to be opened according to the requirement; moreover, the lifting flagpole with the hiding function can be selected to be in a hidden or use state according to use requirements.

Description

Liftable chairman platform

Technical Field

The invention relates to the technical field of cultural and sports facilities, in particular to a liftable chairman platform.

Background

The chairman desk is a receipt for speaking, awarding or performing activities in occasions such as conferences and course education. Currently, chairman stands used by schools, companies or public places are generally divided into two main categories: one is a chairman table temporarily built through a steel frame structure, can be built and disassembled according to use requirements, has fixed size and height, generally, building a chairman table with the length of 4 meters, the width of 6 meters and the height of 0.5 meter needs about 4 persons to work for about 2 hours, and if a larger chairman table is needed, more manpower, material resources and time are needed; the other type is a fixed building which is built and formed in a school or a company, and the fixed building is constructed according to the required size when being built.

However, there are significant drawbacks to the above two types of chairman stations: firstly, the height of the chairman platform is fixed, the height can not be adjusted at any time according to needs, and the chairman platform can not move at any time, so that the design requirement on early-stage construction is high, and the flexible use in the later stage is not facilitated; moreover, the existing seat tables are generally not provided with sun-shading or rain-shading equipment, and if a sun-shading or rain-shading shed needs to be temporarily built in the case of strong sunlight or thunderstorm weather, extra manpower and material resources are consumed, so that the use cost is increased; meanwhile, the position of the chairman platform and the position of the flagpole are separated in the prior art, so that the participants need to move positions or rotate directions to face the national flag in the using process; the stair used in cooperation with the chairman platform in the prior art is a fixed stair made of wood or other materials, cannot be stretched and contracted, occupies a large area and is difficult to carry.

Therefore, it is an urgent need to solve the problems of the art to provide a movable liftable chairman platform with foldable and retractable sunshade, retractable stairs and a concealable lifting flagpole.

Disclosure of Invention

In view of the above, the invention provides a movable liftable chairman platform, the height of a main body table surface can be adjusted steplessly, and the whole chairman platform can move as required; the sunshade is provided with a foldable sunshade, and the sunshade can be stretched or folded to be hidden according to needs in the use process; meanwhile, the telescopic stairway is arranged, so that the stairway can be selected to be contracted, hidden or stretched to be opened according to needs, and the telescopic stairway can be suitable for the chairman platforms with different platform heights; moreover, the lifting flagpole with the hidden type can be selected to be in a hidden or use state according to the use requirement.

In order to achieve the purpose, the invention adopts the following technical scheme:

a liftable chairman platform is characterized by comprising a chairman platform body, and a sunshade body, a lifting flag pole and a telescopic stair which are connected with the chairman platform body;

the seat table body comprises a main table top, a scissor type lifting unit I and a bottom plate; the main body table top is fixed on the top surface of the bottom plate through the first scissor type lifting unit;

the sunshade body is arranged on the bottom plate and is positioned on one side of the main body table board far away from audiences;

the lifting flagpole is arranged on the bottom plate and is positioned on one side of the sunshade body away from the audience;

the telescopic stairs are arranged on two sides of the table top of the main body.

The beneficial effects of the preferred technical scheme are as follows: according to the invention, the scissor type lifter is adopted, so that the free lifting of the chairman platform is realized, the structure is simple, and the functionality is strong; and the sunshade body, the telescopic stairs and the lifting flagpole can be arranged to selectively hide or unfold the structure according to needs, so that the sunshade has attractive characteristics and flexible practicability.

Preferably, a downward groove is formed in one side, close to the audience, of the table top of the main body, and a liftable chairman table is installed in the groove;

the chairman table comprises a table top and lifting table legs; one end of each lifting table leg is connected with the bottom surface of the corresponding groove, the other end of each lifting table leg is connected with the corresponding table top, each lifting table leg comprises a motor, a coupler and a screw rod, the motors are fixed on the bottom surfaces of the grooves, the motors are connected with the thin ends of the screw rods through the couplers, the other ends of the screw rods are connected with the corresponding table top, and the sum of the contracted length of the screw rods and the thickness of the corresponding table top is smaller than or equal to the depth of the corresponding groove; the tabletop corresponds to the groove in size.

Preferably, the outer edge of the side surface or the bottom surface of the desktop is provided with a flexible desktop fence.

Preferably, the sunshade body comprises a storage groove, a supporting mechanism, a sunshade and a scissor type lifting unit II; the accommodating groove is fixed on the top surface of the bottom plate through the second scissor lift unit, the accommodating groove is positioned on one side of the table top of the main body, which is far away from the long edge of the audience, the accommodating groove is equal to the long edge, the opening of the accommodating groove faces the audience mat, and the accommodating groove is divided into a bottom groove and a top groove which are arranged in an upper layer and a lower layer through a partition plate; the two groups of supporting mechanisms are arranged in the bottom groove, each supporting mechanism comprises a supporting rod, a connecting shaft and a first rotating motor, the supporting rods are horizontally arranged, and one end of each supporting rod is vertically connected with an output shaft of the first rotating motor through the connecting shaft; the sunshade is arranged in the top groove.

Preferably, the sunshade comprises sunshade cloth and a plurality of cross rods uniformly fixed on the sunshade cloth; the edge of the sun-shading cloth is uniformly provided with a plurality of thread gluing devices, and one edge of the sun-shading cloth is fixedly connected in the top groove; the cross bar and the accommodating groove are arranged in parallel.

Preferably, in the bottom groove, the two connecting shafts are arranged at two ends of the bottom groove in a staggered manner.

Preferably, the length of the supporting rod is equal to the length of a short side, perpendicular to the long side, of the table top of the main body.

Preferably, when the sunshade body is in a folded state, the top surface of the accommodating groove is flush with the top surface of the table top of the main body, the supporting rod is positioned in the bottom groove, and the sunshade cloth is positioned in the top groove; when the sunshade body is in an unfolded state, the bottom surface of the containing groove is higher than the top surface of the table top of the main body, the two supporting rods are located outside the bottom groove and perpendicular to the long edge, the sunshade cloth is located outside the top groove, and two ends of the cross rod are lapped on the two supporting rods.

Preferably, the lifting flag pole comprises a mounting groove, a second rotating motor, a fixed rod, a movable rod and a movable rod transmission mechanism; the mounting groove is arranged on the bottom plate and is positioned on one side of the sunshade body away from the audience; the second rotating motor is fixedly arranged in the mounting groove, and an output shaft of the second rotating motor is perpendicular to the side surface of the mounting groove; the fixed rod is vertically connected with the output shaft of the second rotating motor; the movable rod is arranged in the fixed rod through the movable rod transmission mechanism.

Preferably, the movable rod transmission mechanism comprises a steel wire rope fixing piece, a fixed pulley, a winding motor and a steel wire rope; the steel wire rope fixing piece and the fixed pulley are oppositely arranged on the inner side wall, close to the top end, of the fixed rod; the winding motor is arranged on the outer side wall of the fixed rod; one end of the steel wire rope is fixedly connected to the steel wire rope fixing piece, and the other end of the steel wire rope sequentially passes through the bottom end of the movable rod and the fixed pulley to be wound and connected to an output shaft of the winding motor.

Preferably, the bottom surface of the movable rod is provided with a fixed groove perpendicular to the axial direction; the width of the fixing groove is matched with the diameter of the steel wire rope.

Preferably, the telescopic stairway comprises a first stair tread, a plurality of middle stair treads, a second stair tread, a riser and a 90-degree hinge; the first stair tread is fixed on the bottom surface of the table top of the main body, and one side, close to the edge, of the first stair tread is connected with the long edge of the vertical plate through the 90-degree hinge; the other long edge of the vertical plate is connected with the long edge of the middle stair tread or the long edge of the second stair tread through the 90-degree hinge.

Preferably, the two sides of the bottom surface of the second stair tread are respectively connected with the supporting legs through the 90-degree hinges.

Preferably, the bottom plate bottom surface is installed with a walking drive device, the walking drive device including set up in the action wheel and the follower of bottom plate bottom surface, the main shaft of action wheel passes through the speed reducer and connects driving motor, the follower pass through rotary device connect in the bottom plate, rotary device pass through hydraulic pressure pipeline with set up in the steering control device of bottom plate bottom surface is connected, the follower with the action wheel is connected with hydraulic control's disc brake mechanism respectively, driving motor with steering control device respectively with set up in the battery electricity of bottom plate top surface is connected.

The bottom plate bottom surface is installed with walking drive device, walking drive device including set up in the action wheel and the follower of bottom plate bottom surface, the main shaft of action wheel passes through the speed reducer and connects driving motor, the follower passes through rotary device and connects the bottom plate, rotary device pass through hydraulic line with set up in the steering control device of bottom plate bottom is connected, the follower with the action wheel is provided with hydraulic control's disc brake mechanism, driving motor steering control device respectively with set up in the battery electricity of bottom plate top surface is connected.

Preferably, the device further comprises a control panel; the control panel comprises a lifting platform module for driving the scissor type lifting unit I to lift, a lifting table module for driving the lifting table legs to lift, a lifting shed module for driving the scissor type lifting unit II to lift, a supporting rod module for controlling the supporting rods to open and close, a fixed rod module for controlling the fixed rods to open and close, a movable rod module for controlling the movable rods to stretch, a walking module for driving the walking driving device to run and a master control module for controlling the whole circuit; the lifting platform module is in signal connection with the scissor type lifting unit I; the lifting table module is in signal connection with the motor; the lifting shed module is in signal connection with the scissor type lifting unit II; the supporting rod module is in signal connection with the first rotating motor; the fixed rod module is in signal connection with a second rotating motor; the movable rod module is in signal connection with the winding motor; the walking module is in signal connection with the driving motor and the steering control device; the master control module is in signal connection with the lifting platform module, the lifting table module, the lifting shed module, the supporting rod module, the fixed rod module, the movable rod module and the walking module respectively.

Preferably, the control panel can realize wired control of the first scissor lift unit, the motor, the second scissor lift unit, the first rotating motor, the second rotating motor, the winding motor, the driving motor and the steering control device through electric connection; the control panel can also realize wireless remote control of the first scissor lift unit, the motor, the second scissor lift unit, the first rotating motor, the second rotating motor, the winding motor, the driving motor and the steering control device through a wireless controller.

Preferably, a flexible desktop fence is arranged on the outer edge of the side surface or the bottom surface of the desktop; the side face or the outer edge of the bottom face of the table top of the main body is provided with a flexible table top enclosure.

According to the technical scheme, compared with the prior art, the invention discloses a liftable chairman platform, which has the following beneficial effects:

1. the automatic lifting of the seat platform and the sunshade is realized by adopting the scissor type lifter, the supporting rods and the sunshade cloth are contracted and hidden by the supporting mechanism and the accommodating groove, the sunshade can be quickly folded and unfolded, and the sunshade is simple in structure and strong in functionality;

2. the liftable chairman table is arranged in the device, so that the functionality of the chairman table is improved, and the chairman table is lifted when the chairman table is needed; when the chairman table is not needed, the chairman table is hidden, the space of the table top of the main body cannot be occupied, and the chairman table has a simple structure, high automation degree and strong flexibility and adaptability;

3. by installing the walking driving device, the chairman platform can be transferred to a proper position according to actual requirements, and the flexible movement of the chairman platform can be realized;

4. the telescopic stairs can be folded, hidden or unfolded for use according to needs, so that the attractive requirement and the practical requirement can be met;

5. the lifting flagpole can be hidden and extended through the rotating motor, the fixed rod, the movable rod and the movable rod transmission mechanism, and the lifting flagpole is simple in structure and high in practicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of the structure provided by the present invention;

FIG. 2 is a schematic view of a chairman table according to the present invention;

FIG. 3 is a schematic view of the sunshade body according to the present invention;

FIG. 4 is a cross-sectional view of a fixation rod provided by the present invention;

FIG. 5 is a front view of the vertical use state of the lifting flag pole provided by the present invention;

FIG. 6 is a top view of a horizontal position of a lifting flag pole according to the present invention;

FIG. 7 is a schematic structural view of the telescopic stairway according to the present invention;

FIG. 8 is a schematic structural diagram of a walking driving device provided by the present invention;

fig. 9 is a schematic structural diagram of a control panel provided by the present invention.

In the figure: 1 is a chairman table body, 11 is a main body table top, 111 is a groove, 12 is a scissor type elevator group I, 13 is a bottom plate, 14 is a chairman table, 141 is a table top, 142 is an elevating table leg, 1421 is a motor, 1422 is a screw rod;

2, a sunshade body, 21, 211, 212, 213, 22, 221, 222, 223, 23, 231, 232, 233 and 24, wherein the sunshade body is a storage groove, 211 is a partition board, 212 is a bottom groove, 213 is a top groove, 22 is a supporting mechanism, 221 is a supporting rod, 222 is a connecting shaft, 223 is a first rotating motor, 23 is a sunshade, 231 is sunshade cloth, 232 is a cross rod, 233 is a thread gluing and 24 is a scissor type lifting unit II;

3 is a lifting flag pole, 31 is an installation groove, 32 is a second rotating motor, 33 is a fixed rod, 34 is a movable rod, 35 is a movable rod transmission mechanism, 351 is a steel wire rope fixing piece, 352 is a fixed pulley, 353 is a winding motor, 354 is a steel wire rope, 36 is a fixed pulley I, 37 is a bearing I, 38 is a fixed pulley II and 39 is a bearing II;

4 is flexible stair, 41 is first stair tread, and 42 is middle stair tread, and 43 is the second stair tread, and 44 is the riser, and 45 is 90 degrees hinges, and 46 is the supporting leg.

5 is a walking driving device, 51 is a driving wheel, 52 is a driven wheel, 53 is a main shaft, 54 is a speed reducer, 55 is a driving motor, 56 is a rotating device, 57 is a hydraulic pipeline, 58 is a steering control device, and 59 is a disc brake mechanism 59;

6 is a control panel, 61 is a lifting platform module, 62 is a lifting table module, 63 is a lifting shed module, 64 is a support rod module, 65 is a walking module, 66 is a movable rod module, 67 is a walking module, and 68 is a master control module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention discloses a liftable chairman platform, which comprises a chairman platform body 1, and a sunshade body 2, a lifting flag pole 3 and a telescopic stair 4 which are connected with the chairman platform body 1;

the chairman platform body 1 comprises a main body platform surface 11, a scissor type lifting unit I12 and a bottom plate 13; the main body table top 11 is fixed on the top surface of the bottom plate 13 through a scissor lift unit I12;

the sunshade body 2 is arranged on the bottom plate 13 and is positioned on one side of the main body table 11 far away from audiences;

the lifting flag pole 3 is arranged on the bottom plate 13 and is positioned on one side of the sunshade body 2 far away from audiences;

the telescopic stairs 4 are arranged on two sides of the table top 11 of the main body.

In order to further optimize the technical scheme, a downward groove 111 is formed in one side, close to the audience, of the main body table top 11, and a liftable chairman table 14 is installed inside the groove 111;

the chairman table 14 comprises a table top 141 and lifting legs 142; one end of each lifting table leg 142 is connected with the bottom surface of the groove 111, the other end of each lifting table leg 142 is connected with the table top 141, each lifting table leg 142 comprises a motor 1421, a coupler and a screw rod 1422, the motor 1421 is fixed on the bottom surface of the groove 111, the motor 1421 is connected with the thin end of the screw rod 1422 through the coupler, the other end of the screw rod 1422 is connected with the table top 141, and the sum of the length of the contracted screw rod 1422 and the thickness of the table top 141 is less than; the tabletop 141 corresponds in size to the recess 111.

In the technical scheme disclosed by the invention, the screw 1422 is a trapezoidal screw, and can convert rotary motion into linear motion, so that the desktop can move up and down under the driving of a motor; in addition, the motor is connected to the thinner end of the trapezoidal screw rod, and when the screw rod is contracted to the minimum height, the motor can be hidden in the trapezoidal screw rod, so that the effect of reducing the contraction volume of the lifting table legs 142 is realized.

For further optimization, a flexible table top enclosure (not shown) is mounted on the outer edge of the side or bottom surface of the table top 141.

The height of the table top of the main body is adjusted by controlling the first scissor lift unit; the motor drives the screw rod to move, so that the height of the lifting table legs is adjusted, and the tabletop is lifted and lowered. According to the invention, the scissor type lifter is adopted, so that the free lifting of the chairman platform is realized, the structure is simple, and the functionality is strong; and the sunshade body, the telescopic stairs and the lifting flagpole can be arranged to selectively hide or unfold the structure according to needs, so that the sunshade has attractive characteristics and flexible practicability.

In order to further optimize the technical scheme, the sunshade body 2 comprises a storage groove 21, a supporting mechanism 22, a sunshade 23 and a scissor type lifting unit II 24; the accommodating groove 21 is fixed on the top surface of the bottom plate 13 through a second scissor lift unit 24, the accommodating groove 21 is positioned on one side of the main body table 11 far away from the long edge of the audience, the accommodating groove 21 is equal to the long edge, the opening of the accommodating groove 21 faces the auditorium, and the accommodating groove 21 is divided into a bottom groove 212 and a top groove 213 which are arranged in an upper layer and a lower layer through a partition plate 211; the two groups of supporting mechanisms 22 are arranged in the bottom groove 212, each supporting mechanism 22 comprises a supporting rod 221, a connecting shaft 222 and a first rotating motor 223, the supporting rods 221 are horizontally arranged, and one end of each supporting rod 221 is vertically connected with an output shaft of the first rotating motor 223 through the connecting shaft 222; the sunshade 23 is disposed in the top groove 213.

In order to further optimize the technical scheme, the sunshade 23 comprises a sunshade cloth 231 and a plurality of cross bars 232 which are uniformly fixed on the sunshade cloth 231; a plurality of thread gluing 233 are uniformly arranged on the edge of the sun-shading cloth 231, and one edge of the sun-shading cloth 231 is fixedly connected in the top groove 213; the cross bar 232 is disposed in parallel with the receiving groove 21.

In order to further optimize the technical scheme, two connecting shafts 222 are arranged at two ends of the bottom groove 212 in a staggered manner in the bottom groove 212.

For further optimization, the length of the support rod 221 is equal to the length of the short side perpendicular to the long side of the main body table 11.

In order to further optimize the technical scheme, when the sunshade body 2 is in a folded state, the top surface of the accommodating groove 21 is flush with the top surface of the main body table 11, the supporting rod 221 is positioned in the bottom groove 212, and the sunshade cloth 231 is positioned in the top groove 213; when the sunshade body 2 is in the unfolded state, the bottom surface of the storage groove 21 is higher than the top surface of the main body table 11, the two support rods 221 are located outside the bottom groove 212 and perpendicular to the long side, the sunshade cloth 231 is located outside the top groove 213, and the two ends of the cross rod 232 are lapped on the two support rods 221.

Control of the sunshade body: when the sunshade body is unfolded, the scissor type lifting unit II drives the accommodating groove to rise, when the accommodating groove rises to a position where a person can touch on the table board of the main body, the accommodating groove stops, one rotating motor is started to drive one supporting rod to rotate until the supporting rod rotates to the outside of the bottom groove and is perpendicular to the long edge, the other rotating motor is started again to drive the other supporting rod to rotate until the supporting rod rotates to the outside of the bottom groove and is perpendicular to the long edge, the sunshade is manually pulled out until the whole table board of the main body is covered, the two ends of the cross rod are lapped on the two supporting rods, the thread gluing is tied on the supporting rods, the scissor type lifting unit II is started again, and the sunshade is lifted to the required height;

when the sunshade body is folded, the scissor type lifting unit II is started, the sunshade is lifted to a position where a person can touch on the table top of the main body and then stops, the thread gluing is unfastened, the sunshade is collected into the top groove, the rotating motor is started, the supporting rod is driven to rotate and stops until the supporting rod rotates to the bottom groove, the other rotating motor is started, the other supporting rod is driven to rotate, the supporting rod stops until the supporting rod rotates to the bottom groove, the scissor type lifting unit II continues to be started, the top surface of the collecting groove is lowered to be flush with the top surface of the table top of the main body and then stops, and the sunshade body is hidden at the moment.

For further optimizing the technical scheme, the lifting flag pole 3 comprises a mounting groove 31, a second rotating motor 32, a fixed rod 33, a movable rod 34 and a movable rod transmission mechanism 35; the mounting groove 31 is arranged on the bottom plate 13 and is positioned on one side of the sunshade body 2 away from audiences; the second rotating electric machine 32 is fixedly installed in the installation groove 31, and the output shaft of the second rotating electric machine 32 is perpendicular to the side surface of the installation groove 31; the fixing rod 33 is vertically connected with the output shaft of the second rotating motor 32; the movable lever 34 is disposed in the fixed lever 33 through a movable lever transmission mechanism 35.

In order to further optimize the technical scheme, the movable rod transmission mechanism 35 comprises a steel wire rope fixing member 351, a fixed pulley 352, a winding motor 353 and a steel wire rope 354; the wire rope fixing piece 351 and the fixed pulley 352 are oppositely arranged on the inner side wall of the fixed rod 33 close to the top end; the winding motor 353 is arranged on the outer side wall of the fixing rod 33; one end of the wire rope 354 is fixedly connected to the wire rope fixing member 351, and the other end thereof is wound and connected to an output shaft of the winding motor through the bottom end of the movable rod 34 and the fixed pulley 352 in sequence.

In order to further optimize the technical scheme, the bottom surface of the movable rod 34 is provided with a fixed groove perpendicular to the axial direction; the width of the securing slot matches the diameter of the wire rope 354.

In order to further optimize the above technical solution, the lifting flag pole 3 further comprises: a fixed pulley I36, a bearing I37, a fixed pulley II 38, a bearing II 39 and a lifting rope (not shown); wherein:

the inner diameter of the bearing I37 is the same as the outer diameter of the movable rod 33, and the bearing I37 is sleeved at the top end of the movable rod 34; the fixed pulley I36 is fixedly arranged on the shell of the bearing I37;

the inner diameter of the second bearing 39 is the same as the outer diameter of the fixed rod 33, and the second bearing 37 is sleeved at the position, close to the bottom end, of the fixed rod 33; the second fixed pulley 38 is fixedly arranged on the shell of the second bearing 39;

the lifting rope is sleeved with a fixed pulley I36 and a fixed pulley II 38.

Control regarding raising and lowering of a flag pole; firstly, a second rotating motor rotates to drive a fixing rod horizontally placed in the mounting groove to rotate to be in a vertical state; then, the winding motor rotates to drive the steel wire rope to perform winding and unwinding actions, so that the movable rod can lift in the fixed rod, the winding motor is stopped until the overall height of the lifting flagpole meets the use requirement, and the height of the flagpole is fixed; according to the invention, the first fixed pulley is arranged on the first bearing, and the second fixed pulley is arranged on the second bearing, so that the first fixed pulley and the second fixed pulley can freely rotate around the flagpole along with the first bearing and the second bearing, and the flag in windy weather is prevented from being wound on the flagpole.

For further optimization of the technical solution, the telescopic stairway 4 comprises a first stair tread 41, a plurality of intermediate stair treads 42, a second stair tread 43, a riser 44 and a 90-degree hinge 45; the first stair tread 41 is fixed on the bottom surface of the main body table 11, and one side, close to the edge, of the first stair tread 41 is connected with the long edge of the vertical plate 44 through a 90-degree hinge 45; the other long side of the riser 44 is connected to the long side of the middle tread 42 or the long side of the second tread 43 by a 90 degree hinge 45.

For further optimization, the two sides of the bottom surface of the second stair tread 43 are respectively connected with supporting legs 46 through 90-degree hinges 45.

In order to further optimize the technical scheme, a walking driving device 5 is mounted on the bottom surface of the bottom plate 13, the walking driving device 5 comprises a driving wheel 51 and a driven wheel 52 which are arranged on the bottom surface of the bottom plate 13, a main shaft 53 of the driving wheel 51 is connected with a driving motor 55 through a speed reducer 54, the driven wheel 52 is connected with the bottom plate 13 through a rotating device 56, the rotating device 56 is connected with a steering control device 58 arranged on the bottom surface of the bottom plate 13 through a hydraulic pipeline 57, the driven wheel 52 and the driving wheel 51 are respectively connected with a disc brake mechanism 59 which is controlled by hydraulic pressure, and the driving motor 55 and the steering control device 58 are respectively electrically connected with a.

In the running process of the walking driving device 5, the driving wheel is driven to rotate by the driving motor, so that the whole device can be driven to move; the steering control device 58 can control the direction of the driven wheel to change, thereby realizing the control of the steering of the whole device.

For further optimization of the technical scheme, the system also comprises a control panel 6; the control panel 6 comprises a lifting platform module 61 for driving the scissor lift unit I12 to lift, a lifting table module 62 for driving the lifting table legs 142 to lift, a lifting shed module 63 for driving the scissor lift unit II 24 to lift, a support rod module 64 for controlling the opening and closing of the support rods 221, a fixed rod module 65 for controlling the horizontal or vertical of the fixed rods 33, a movable rod module 66 for controlling the extension and contraction of the movable rods 34, a walking module 67 for driving the walking driving device 5 to run and a master control module 68 for controlling the whole circuit; the lifting platform module 61 is in signal connection with the scissor type lifting unit I12; the lifting table module 62 is in signal connection with a motor 1421; the lifting shed module 63 is in signal connection with the scissor type lifting unit II 24; the support rod module 64 is in signal connection with a first rotating motor 223; the fixed rod module 65 is in signal connection with the second rotating electrical machine 32; the movable rod module 66 is in signal connection with the winding motor 353; the walking module 67 is in signal connection with the driving motor 55 and the steering control device 58; the master control module 68 is in signal connection with the lifting platform module 61, the lifting table module 62, the lifting shed module 63, the support rod module 64, the fixed rod module 65, the movable rod module 66 and the walking module 67 respectively.

In order to further optimize the above technical solution, the control panel 6 may implement wired control of the scissor lift unit one 12, the motor 1421, the scissor lift unit two 24, the first rotating motor 223, the second rotating motor 32, the winding motor 353, the driving motor 55 and the steering control device 58 through electrical connection; the control panel 4 may also implement wireless remote control of the scissor lift unit one 12, the motor 1421, the scissor lift unit two 24, the first rotating motor 223, the second rotating motor 32, the winding motor 353, the driving motor 55 and the steering control device 58 through a wireless controller.

It should be noted that:

the elevating platform module 61 includes an operation button, a reset button, an up button, and a down button, wherein:

the operation button is used for controlling the scissor lift unit I12 to ascend to the highest position;

the reset button is used for controlling the scissor lift unit I12 to descend to the lowest position (initial position);

the lifting button is used for controlling the scissor lift unit I12 to freely lift to any position according to manual control;

the descending button is used for controlling the scissor lift unit I12 to freely descend to any position according to manual control;

elevating table module 62 includes an operation button, a reset button, an up button and a down button, wherein:

the operation button is used for controlling the lifting table legs 142 to be lifted to the highest position;

the reset button is used for controlling the lifting table leg 142 to be lowered to the lowest position (initial position);

the lifting button is used for controlling the lifting table legs 142 to freely lift to any position according to manual operation;

the descending button is used for controlling the lifting table legs 142 to freely descend to any position according to manual operation;

the lifting shed module 63 comprises an operation button, a reset button, a lifting button and a descending button, wherein:

the operation button is used for controlling the second scissor lift unit 24 to ascend to the highest position;

the reset button is used for controlling the second scissor lift unit 24 to descend to the lowest position (initial position);

the lifting button is used for controlling the second scissor type lifting unit 24 to freely lift to any position according to manual control;

the descending button is used for controlling the second scissor type lifting unit 24 to freely descend to any position according to manual control;

the support rod module 64 includes a first open button, a first close button, a second open button and a second close button, wherein:

the first unfolding button is used for controlling one supporting rod 221 to rotate and unfold;

the first closing button is used for controlling one supporting rod 221 to rotate and close;

the second unfolding button is used for controlling the other supporting rod 221 to rotate and unfold;

the second closing button is used for controlling the other supporting rod 221 to rotate and close;

the fixing rod module 65 includes an expansion button and a closing button, wherein:

the unfolding button is used for controlling the fixed rod 33 to rotate upwards and rotate out of the mounting groove 31;

the closing button is used for controlling the fixing rod 33 to rotate downwards and rotate back to the mounting groove 31;

the movable bar module 66 includes an extension button and a contraction button, wherein:

an extension button for controlling the movement of the movable lever 34 upward relative to the fixed lever 33;

the retract button is used to control the movable lever 34 to move downward relative to the stationary lever;

the walking module 67 comprises a forward button, a backward button, a left-turn button and a right-turn button, wherein:

the forward button is used for controlling the forward movement of the walking control device 5;

the backward button is used for controlling the walking control device 5 to move backwards;

the left-turning button is used for controlling the walking control device 5 to turn left;

the right turn button is used for controlling the walking control device 5 to turn right;

the main control module 68 comprises a start button, a close button and an emergency stop button, wherein:

the start button is used for connecting the whole circuit controlled by the control panel 4;

the close button is used for disconnecting the whole circuit controlled by the control panel 4;

the scram button is used to cut off the entire circuit controlled by the control panel 4 in case of emergency.

For further optimization, a flexible table top enclosure (not shown) is mounted on the outer edge of the side or bottom surface of the main table top 11.

Regarding the use of the telescopic stairway: because the stair treads and the vertical plate are connected through the 90-degree hinges, when the 90-degree hinges are in a vertical state, the telescopic stairs can be used by people when being stretched; and the angle of the 90-degree hinge is changed to enable the stair treads and the vertical plate to be folded, so that the telescopic stair is retracted, the occupied area is reduced, and the attractive requirement is met.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A liftable chairman platform is characterized by comprising a chairman platform body (1), a sunshade body (2) connected with the chairman platform body (1), a lifting flag pole (3) and a telescopic stair (4);

the chairman platform body (1) comprises a main body table board (11), a scissor type lifting unit I (12) and a bottom plate (13); the main body table board (11) is fixed on the top surface of the bottom plate (13) through the scissor type lifting unit I (12);

the sunshade body (2) is arranged on the bottom plate (13) and is positioned on one side of the main body table board (11) far away from audiences;

the lifting flag pole (3) is arranged on the bottom plate (13) and is positioned on one side of the sunshade body (2) far away from audiences;

the telescopic stairs (4) are arranged on two sides of the main body table board (11);

a downward groove (111) is formed in one side, close to the audience, of the table top (11) of the main body, and a liftable chairman table (14) is installed in the groove (111);

the chairman table (14) comprises a table top (141) and lifting table legs (142); one end of each lifting table leg (142) is connected with the bottom surface of the corresponding groove (111), the other end of each lifting table leg (142) is connected with the corresponding table top (141), each lifting table leg (142) comprises a motor (1421), a coupler and a screw rod (1422), the motors (1421) are fixed on the bottom surfaces of the grooves (111), the motors (1421) are connected with the thin ends of the screw rods (1422) through the couplers, the other ends of the screw rods (1422) are connected with the corresponding table top (141), and the sum of the contracted length of the screw rods (1422) and the thickness of the corresponding table top (141) is smaller than or equal to the depth of the corresponding grooves (111); the tabletop (141) corresponds to the size of the groove (111);

the sunshade body (2) comprises a storage groove (21), a supporting mechanism (22), a sunshade (23) and a scissor type lifting unit II (24); the accommodating groove (21) is fixed on the top surface of the bottom plate (13) through the second scissor lift set (24), the accommodating groove (21) is positioned on one side, away from the long edge of an audience, of the main body table board (11), the accommodating groove (21) is equal in length to the long edge, the opening of the accommodating groove (21) faces the audience, and the accommodating groove (21) is divided into a bottom groove (212) and a top groove (213) which are arranged in an upper layer and a lower layer through a partition plate (211); the two groups of supporting mechanisms (22) are arranged in the bottom groove (212), each supporting mechanism (22) comprises a supporting rod (221), a connecting shaft (222) and a first rotating motor (223), the supporting rods (221) are horizontally arranged, and one end of each supporting rod (221) is vertically connected with an output shaft of each first rotating motor (223) through the corresponding connecting shaft (222); the sunshade (23) is arranged in the top groove (213);

the lifting flag pole (3) comprises a mounting groove (31), a second rotating motor (32), a fixed rod (33), a movable rod (34) and a movable rod transmission mechanism (35); the mounting groove (31) is arranged on the bottom plate (13) and is positioned on one side of the sunshade body (2) far away from audiences; the second rotating motor (32) is fixedly arranged in the mounting groove (31), and an output shaft of the second rotating motor (32) is perpendicular to the side surface of the mounting groove (31); the fixed rod (33) is vertically connected with an output shaft of the second rotating motor (32); the movable rod (34) is arranged in the fixed rod (33) through the movable rod transmission mechanism (35);

the movable rod transmission mechanism (35) comprises a steel wire rope fixing piece (351), a fixed pulley (352), a winding motor (353) and a steel wire rope (354); the steel wire rope fixing piece (351) and the fixed pulley (352) are oppositely arranged on the inner side wall, close to the top end, of the fixed rod (33); the winding motor (353) is arranged on the outer side wall of the fixing rod (33); one end of the steel wire rope (354) is fixedly connected to the steel wire rope fixing piece (351), and the other end of the steel wire rope is sequentially wound and connected to an output shaft of the winding motor through the bottom end of the movable rod (34) and the fixed pulley (352);

the telescopic stair (4) comprises a first stair tread (41), a plurality of middle stair treads (42), a second stair tread (43), a vertical plate (44) and a 90-degree hinge (45); the first stair tread (41) is fixed on the bottom surface of the main body table top (11), and one side, close to the edge, of the first stair tread (41) is connected with the long edge of the vertical plate (44) through the 90-degree hinge (45); the other long edge of the vertical plate (44) is connected with the long edge of the middle stair tread (42) or the long edge of the second stair tread (43) through the 90-degree hinge (45).

2. A liftable chairman's table according to claim 1, characterized in that the sunshade (23) comprises a sunshade cloth (231) and a plurality of cross bars (232) uniformly fixed on the sunshade cloth (231); a plurality of thread gluing pieces (233) are uniformly arranged on the edge of the sun-shading cloth (231), and one edge of the sun-shading cloth (231) is fixedly connected in the top groove (213); the cross rod (232) and the accommodating groove (21) are arranged in parallel.

3. A liftable chairman's table according to claim 2, wherein when the awning body (2) is in the retracted state, the top surface of the accommodating groove (21) is flush with the top surface of the main body table top (11), the supporting rod (221) is located in the bottom groove (212), and the sunshade cloth (231) is located in the top groove (213); when sunshade body (2) was when the expansion mode, the bottom surface of accomodating groove (21) was higher than the top surface of main part mesa (11), two bracing piece (221) are located outside kerve (212), and with main part mesa (11) keep away from spectator's long limit perpendicular, puggaree (231) are located outside apical groove (213), horizontal pole (232) both ends overlap joint is two on bracing piece (221).

4. A liftable chairman table according to any one of claims 1 to 3, the bottom surface of the bottom plate (13) is provided with a walking driving device (5), the walking driving device (5) comprises a driving wheel (51) and a driven wheel (52) which are arranged on the bottom surface of the bottom plate (13), a main shaft (53) of the driving wheel (51) is connected with a driving motor (55) through a speed reducer (54), the driven wheel (52) is connected to the bottom plate (13) through a rotating device (56), the rotating device (56) is connected with a steering control device (58) arranged on the bottom surface of the bottom plate (13) through a hydraulic pipeline (57), the driven wheel (52) and the driving wheel (51) are respectively connected with a disc type brake mechanism (59) controlled by hydraulic pressure, the driving motor (55) and the steering control device (58) are respectively electrically connected with a storage battery arranged on the top surface of the bottom plate (13).

5. A liftable chairman table according to claim 4, further comprising a control panel (6); the control panel (6) comprises a lifting platform module (61) for driving the scissor type lifting unit I (12) to lift, a lifting table module (62) for driving the lifting table legs (142) to lift, a lifting shed module (63) for driving the scissor type lifting unit II (24) to lift, a supporting rod module (64) for controlling the supporting rods (221) to open and close, a fixed rod module (65) for controlling the fixed rods (33) to be horizontal or vertical, a movable rod module (66) for controlling the movable rods (34) to stretch, a walking module (67) for driving the walking driving device (5) to run and a master control module (68) for controlling the whole circuit; the lifting platform module (61) is in signal connection with the scissor type lifting unit I (12); the lifting table module (62) is in signal connection with the motor (1421); the lifting shed module (63) is in signal connection with the scissor type lifting unit II (24); the supporting rod module (64) is in signal connection with the first rotating motor (223); the fixed rod module (65) is in signal connection with a second rotating motor (32); the movable rod module (66) is in signal connection with the winding motor (353); the walking module (67) is in signal connection with the driving motor (55) and the steering control device (58); the master control module (68) is in signal connection with the lifting platform module (61), the lifting table module (62), the lifting shed module (63), the supporting rod module (64), the fixed rod module (65), the movable rod module (66) and the walking module (67) respectively.