CN110742398A

CN110742398A - Architectural design workstation

Info

Publication number: CN110742398A
Application number: CN201911058140.3A
Authority: CN
Inventors: 张长青
Original assignee: Individual
Current assignee: Hunan Xuyan Construction Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-02-04
Anticipated expiration: 2039-11-01
Also published as: CN110742398B

Abstract

The invention relates to an architectural design device, in particular to an architectural design workbench. The invention aims to provide a building design workbench. In order to solve the technical problem, the invention provides the building design workbench which comprises a double-support mechanism, a circulating display mechanism, a protection projection mechanism and a double-expansion mechanism; the middle front end in the table body is provided with a cover plate; the bottom end of the table body is provided with a base. When the multifunctional desktop protection device is used, a drawing can be expanded to place the desktop, the drawings on two sides can be conveniently checked after expansion, lighting during checking is guaranteed, the drawings on two sides can be checked simultaneously without adjusting the drawings, observation and research of a building model can be carried out in a matched mode, protection and 3D projection can be carried out in a matched mode, the multifunctional desktop protection device has an all-directional research effect, convenience of a user can be greatly improved, synchronous research comparison can be better achieved, and the error rate of building simulation conception is reduced.

Description

Architectural design workstation

Technical Field

The invention relates to an architectural design device, in particular to an architectural design workbench.

Background

The building design means that before the building is built, a designer makes a general idea of problems existing or possibly occurring in the construction process and the use process according to the construction task, plans a method and a scheme for solving the problems and expresses the problems by using drawing paper and documents. The building design is used as a common basis for material preparation, construction organization work and the mutual cooperation of various works in the manufacturing and construction work. The whole project can be carried out uniformly and smoothly within a preset investment limit range according to a carefully considered preset scheme, and the built building can fully meet various requirements expected by users and society. In brief, the final function of the building is the final function, which has certain requirements, and the building design is the solution created according to the requirements. The solution is varied and can exceed the originally set requirements, namely a good building design.

In the prior art, Chinese patent CN108703508A, aiming at the problems that most of the existing architectural design workbenches are designed based on a common desktop, and four sides or four corners of a drawing are positioned on the desktop, but the tiled drawing looks inconvenient, especially for some larger drawings, operations such as marking and marking are inconvenient to be performed on the drawing, discloses an architectural design workbench, which is convenient for designers to see the drawing and the modes of operations such as marking and marking the drawing are often required when the drawing is used, by arranging a drawing backing plate and a backing plate jacking assembly on the basis of the common desktop, driving the drawing backing plate to turn over by the backing plate jacking assembly, enabling the drawing backing plate to be obliquely fixed at a required angle, arranging a drawing stop strip and a pressing strip on the drawing backing plate to fix the drawing, but it does not have enough big space to expand, need cooperate the building model to refer to when using moreover, but above-mentioned file can not put the reference, and the drawing of simply placing can't the best imagine, and the limitation is too big, can influence designer's work efficiency, and further various problems appear when leading to later stage construction easily, produce the construction safety problem of inestimable.

In view of the above, there is a need to develop an architectural design workbench to overcome the above problems.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects that in actual use, a user is inconvenient to operate, a plurality of drawings are often used simultaneously, but the drawings are not expanded in a large enough space and need to be matched with a building model for reference, but the files cannot be used for placing reference, the drawing cannot be optimally placed simply, the limitation is too large, the working efficiency of designers is influenced, various problems are easily caused in later construction, and the problem of inestimable construction safety is caused.

(2) Technical scheme

In order to solve the technical problem, the invention provides a building design workbench which comprises a desk body, a cover plate, a base, a control screen, a double-support mechanism, a circulating display mechanism, a protection projection mechanism and a double-expansion mechanism, wherein the desk body is provided with a desk body; the middle front end in the table body is provided with a cover plate; the bottom end of the table body is provided with a base; a control screen is arranged on the right side of the top of the front end of the table body; the rear side of the middle part in the table body is provided with a double-support mechanism; a circulating display mechanism is arranged at the rear side of the middle part in the table body; the rear side of the middle part in the table body is provided with a protection projection mechanism, and the protection projection mechanism is positioned at the rear side of the circulating display mechanism; the top end of the double-support mechanism is provided with a double-expansion mechanism, and the outer ring of the outer surface of the double-expansion mechanism is connected with the table body.

Preferably, the double-support mechanism comprises a support seat, a first electric push rod, a second electric push rod, a first cylindrical gear, a first transmission wheel, a second cylindrical gear, a third transmission wheel, a fourth transmission wheel, a swing mechanism, a deflector rod, a limiting rod, a sliding block fixing seat, a sliding rod, a limiting column and a bent arc rotating shaft; the middle part of the top end of the supporting seat is rotationally connected with the first electric push rod; the middle right side of the top end of the supporting seat is rotatably connected with a second electric push rod, and the top of the second electric push rod is connected with a first electric push rod; the top of the rear side of the first electric push rod is rotationally connected with the first cylindrical gear; the rear-side axis of the first cylindrical gear is rotationally connected with the first transmission wheel; the left side of the top end of the first cylindrical gear is meshed with the second cylindrical gear; the bottom of the outer surface of the first driving wheel is rotationally connected with the second driving wheel; the axle center of the front end of the second cylindrical gear is rotationally connected with a third transmission wheel; the upper left of the outer surface of the third driving wheel is in transmission connection with the fourth driving wheel; the rear side axle center of the fourth driving wheel is rotationally connected with the slewing mechanism; a deflector rod is arranged at the right upper part of the rear end of the swing mechanism; a limiting rod is arranged at the left bottom of the slewing mechanism; the rear side of the limiting rod is rotationally connected with the sliding block fixing seat; the middle right side of the front end of the sliding block fixing seat is in sliding connection with the sliding rod; the middle upper part of the front end of the sliding block fixing seat is cast and fused with the limiting column; the top end of the sliding rod is provided with a bent arc rotating shaft; the bottom end of the supporting seat is connected with the table body; the axle center of the first transmission wheel is connected with the protection projection mechanism; the axle center of the second transmission wheel is connected with the circulating display mechanism; the axle center of the second cylindrical gear is connected with the table body; the axle center of the third driving wheel is connected with the table body; the axle center of the fourth transmission wheel is connected with the table body; the axis of the rotary mechanism is connected with the table body; the rear side of the sliding block fixing seat is connected with the table body; the top end of the curved arc rotating shaft is connected with the double-expanding mechanism.

Preferably, the circulating display mechanism comprises a supporting outer frame, an annular guide rail, a third electric push rod, an LED illuminating lamp, a first rotating disc, a second rotating disc, a third cylindrical gear, a fourth cylindrical gear, a fifth cylindrical gear, a sixth cylindrical gear, a fourth electric push rod, a first telescopic rod, a second telescopic rod, a third telescopic rod, a first gear set, a first gear connecting shaft rod, a first gear bottom plate, a second gear set, a second gear connecting shaft rod, a second gear bottom plate, a fifth transmission wheel, a sixth transmission wheel, a first transmission roller, a second transmission roller, a belt, a regulating gear rod, a third transmission roller, a first bevel gear, a second bevel gear, a seventh transmission wheel, an eighth transmission wheel, a stepping motor and a fifth electric push rod; an annular guide rail is arranged on the outer ring of the top end of the supporting outer frame; the left side of the top in the supporting outer frame is rotationally connected with the first rotating disc; the right side of the top in the supporting outer frame is rotationally connected with the second turntable; a first gear set is arranged at the bottom of the left end of the supporting outer frame; a second gear set is arranged at the bottom of the right end of the supporting outer frame; the middle part of the rear side of the outer surface of the annular guide rail is in sliding connection with a third electric push rod through a slide block; the top end of the third electric push rod is provided with an LED illuminating lamp; the bottom end of the first rotary table is rotationally connected with the third cylindrical gear; the bottom end of the second rotary table is rotationally connected with the sixth cylindrical gear; the right side of the third cylindrical gear is meshed with the fourth cylindrical gear; the bottom axis of the third cylindrical gear is inserted with the fourth electric push rod; the right side of the fourth cylindrical gear is meshed with the fifth cylindrical gear, and the right side of the fifth cylindrical gear is connected with the sixth cylindrical gear; the bottom axis of the fourth cylindrical gear is inserted into the first telescopic rod; the bottom axis of the fifth cylindrical gear is inserted into the second telescopic rod; the bottom axis of the sixth cylindrical gear is inserted into the third telescopic rod; the left side of the first gear tooth group is meshed with the first gear connecting shaft rod; the bottom of the first gear connecting shaft rod is meshed with the first gear tooth bottom plate; the axle center of the front end of the first gear connecting shaft rod is rotationally connected with the fifth transmission wheel; the right side of the second gear tooth group is meshed with the second gear connecting shaft rod; the bottom of the second gear connecting shaft rod is meshed with the second gear tooth bottom plate; the bottom of the outer surface of the fifth driving wheel is in transmission connection with the sixth driving wheel; a rear shaft center of the sixth transmission wheel is rotationally connected with the first transmission roller; a second driving roller is arranged at the rear side of the first driving roller; the outer surface of the second transmission roller is in transmission connection with a belt; an adjusting gear lever is arranged in the middle of the belt; the inner right side of the belt is in transmission connection with a third transmission roller; the middle part of the front end of the adjusting gear lever is welded with the fifth electric push rod; the rear end axle center of the third driving roller is rotationally connected with the first bevel gear; the axle center of the front end of the third transmission roller is rotationally connected with a seventh transmission wheel; the top of the rear side of the first bevel gear is meshed with the second bevel gear, and the top of the second bevel gear is connected with the fourth electric push rod; the upper right part of the outer surface of the seventh driving wheel is rotationally connected with the eighth driving wheel; the rear side axle center of the eighth driving wheel is rotationally connected with the stepping motor; the outer surface of the supporting outer frame is connected with the table body; the bottom end of the first telescopic rod is connected with the table body; the bottom end of the second telescopic rod is connected with the table body; the bottom end of the third telescopic rod is connected with the table body; the axle center of the first gear connecting shaft lever is connected with the table body; the bottom end of the first gear tooth bottom plate is connected with the table body; the axle center of the second gear connecting shaft lever is connected with the table body; the bottom end of the second gear tooth bottom plate is connected with the table body; the axis of the fifth driving wheel is connected with the table body; the axis of the sixth transmission wheel is connected with the table body; the axle center of the second transmission roller is connected with the table body; the axle center of the first bevel gear is connected with the table body; the axle center of the seventh transmission wheel is connected with the table body; the axle center of the eighth transmission wheel is connected with the double-support mechanism; the outer surface of the stepping motor is connected with the table body; the axis of the fifth electric push rod is connected with the table body.

Preferably, the protection projection mechanism comprises a protection projection plate, a Y-shaped support frame, a sliding sleeve, a first transmission rod, a rhombic transmission rod, a cam, a second transmission rod, a ninth transmission wheel, a tenth transmission wheel, an eleventh transmission wheel, a sixth electric push rod and a combined shaft sleeve; the bottom end of the protection projection plate is provided with a Y-shaped support frame; the bottom of the rear side of the outer surface of the Y-shaped support frame is in sliding connection with the sliding sleeve; the middle bottom of the front end of the Y-shaped support frame is in transmission connection with a first transmission rod; the bottom of the rear side of the first transmission rod is in transmission connection with the rhombic transmission rod; the middle part of the rear end of the rhombic transmission rod is in transmission connection with the cam; the right upper part of the front end of the rhombic transmission rod is in transmission connection with a second transmission rod; the upper part of the rear end of the cam is in transmission connection with a ninth transmission wheel; the rear end of the ninth driving wheel is in transmission connection with the tenth driving wheel through a rotating rod; the bottom of the outer surface of the tenth driving wheel is in transmission connection with the eleventh driving wheel; the front end axle center of the eleventh transmission wheel is inserted with the sixth electric push rod; the front part of the outer surface of the sixth electric push rod is sleeved with the combined shaft sleeve; the outer surface of the protection projection plate is connected with the table body; the rear end of the sliding sleeve is connected with the table body; the top of the rear side of the second transmission rod is connected with the table body; the axle center of the tenth transmission wheel is connected with the table body; the shaft center of the eleventh transmission wheel is connected with the table body; the outer surface of the combined shaft sleeve is connected with the double-support mechanism.

Preferably, the double-expansion mechanism comprises a first supporting plate, a backing plate, a first rotating shaft, a second supporting plate, a first expansion plate, a first LED lamp bead plate, a first pressure-sensitive switch, a second rotating shaft, a third supporting plate, a second expansion plate, a second LED lamp bead plate and a second pressure-sensitive switch; a base plate is arranged at the front part of the top end of the first supporting plate; the front part of the left end of the first supporting plate is rotationally connected with the first rotating shaft; the front part of the right end of the first supporting plate is rotationally connected with the second rotating shaft; the rear end of the first rotating shaft is rotatably connected with the second supporting plate; a first expansion plate is arranged on the inner right side of the second supporting plate; a first LED lamp bead plate is arranged at the top end of the first telescopic plate; a first pressure-sensitive switch is arranged on the left rear side of the top end of the first expansion plate; the rear end of the second rotating shaft is rotatably connected with the third supporting plate; a second expansion plate is arranged on the left side in the third supporting plate; a second LED lamp bead plate is arranged at the top end of the second expansion plate; a second pressure-sensitive switch is arranged on the right rear side of the top end of the second expansion plate; the front end and the rear end of the first supporting plate are connected with the table body; the front end of the first rotating shaft is connected with the table body; the outer surface of the second supporting plate is connected with the table body; the bottom end of the second supporting plate is connected with the double-supporting mechanism; the front end of the second rotating shaft is connected with the table body; the outer surface of the third supporting plate is connected with the table body; the bottom end of the third supporting plate is connected with the double-supporting mechanism.

Preferably, the number of the second cylindrical gear, the number of the third driving wheel, the number of the fourth driving wheel, the swing mechanism, the deflector rod, the limiting rod, the sliding block fixing seat, the sliding rod, the limiting column and the bent arc rotating shaft are two, and the two limiting columns are combined respectively and are symmetrically distributed on the vertical axis of the first driving wheel.

Preferably, the bottom of the right end of the slide bar; a limiting block is arranged above the middle part of the right end and in the middle part of the left end.

Preferably, the inclined angle of the first expansion plate and the second expansion plate after being stretched is thirty degrees, and both incline inward with the first support plate as the center.

Preferably, the pad is ramp-shaped and has a certain elasticity.

(3) Advantageous effects

(1) In order to solve the problems that a user is inconvenient to operate in practical use, a plurality of drawings are often required to be used simultaneously, but the drawings are not expanded in a large enough space and need to be matched with a building model for reference in use, but the files cannot be placed and referenced, and the drawing cannot be perfectly imagined by simply placing the drawings, so that the working efficiency of designers is influenced, further various problems are easily caused in later construction, and the problem of inestimable construction safety is caused, a double-support mechanism, a circulating display mechanism, a protection projection mechanism and a double-expansion mechanism are designed, the circulating display mechanism can enable two building models to rotate simultaneously, can independently lift the building models, can be matched with the building models with different heights for lighting, and can more clearly research the building models on the one hand, on one hand, the device can simulate the condition under sunlight irradiation conveniently, and simultaneously can lift through the linkage protection projection mechanism of the circulating display mechanism to form a rear protective cover, and can also be matched with projection to carry out 3D virtual research, and simultaneously, the device is matched with the linkage double-support mechanism to control independent or synchronous lifting of one side or two sides of the double-expansion mechanism to form an inclined plane, so that the drawing at the far sides can be conveniently checked, the device can expand the drawing to be placed on a desktop when in use, simultaneously ensure that the drawing at the two sides can be conveniently checked after expansion, simultaneously ensure lighting during checking, can realize simultaneous checking of the drawings at the two sides without adjusting the drawing, can be matched with observation research of a building model, can realize the matching research of protection and projection 3D, has the effect of omnibearing research, can greatly increase the convenience of users, and can better realize synchronous research and comparison, the error rate of building simulation assumption is reduced.

Drawings

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

FIG. 2 is a schematic structural diagram of the dual support mechanism of the present invention;

FIG. 3 is a schematic structural view of the cycle display mechanism of the present invention;

FIG. 4 is a schematic structural view of a protective projection mechanism according to the present invention;

FIG. 5 is a schematic structural view of a dual expansion mechanism of the present invention;

FIG. 6 is a schematic structural view of a combination of a dual supporting mechanism and a dual expanding mechanism according to the present invention;

fig. 7 is a schematic structural view of a combination of an adjusting lever and a fifth electric push rod according to the present invention.

The labels in the figures are: 1-table body, 2-cover plate, 3-base, 4-control screen, 5-double support mechanism, 6-cycle display mechanism, 7-protection projection mechanism, 8-double expansion mechanism, 501-support base, 502-first electric push rod, 503-second electric push rod, 504-first cylindrical gear, 505-first driving wheel, 506-second driving wheel, 507-second cylindrical gear, 508-third driving wheel, 509-fourth driving wheel, 5010-swing mechanism, 5011-deflector rod, 5012-limit rod, 5013-slide block fixing base, 5014-slide bar, 5015-limit column, 5016-curved arc rotating shaft, 601-support outer frame, 602-annular guide rail, 603-third electric push rod, 604-LED illuminating lamp, 605-a first turntable, 606-a second turntable, 607-a third cylindrical gear, 608-a fourth cylindrical gear, 609-a fifth cylindrical gear, 6010-a sixth cylindrical gear, 6011-a fourth electric push rod, 6012-a first telescopic rod, 6013-a second telescopic rod, 6014-a third telescopic rod, 6015-a first gear tooth set, 6016-a first gear connecting shaft, 6017-a first gear tooth bottom plate, 6018-a second gear tooth set, 6019-a second gear connecting shaft, 6020-a second gear tooth bottom plate, 6021-a fifth transmission wheel, 6022-a sixth transmission wheel, 6023-a first transmission roller, 6024-a second transmission roller, 6025-a belt, 6026-an adjusting gear lever, 6027-a third transmission roller, 6028-a first bevel gear, 6029-a second bevel gear, 6030-a seventh transmission wheel, 6031-eighth driving wheel, 6032-stepping motor, 6033-fifth electric push rod, 701-protective projection plate, 702-Y-shaped supporting frame, 703-sliding sleeve, 704-first driving rod, 705-rhombic driving rod, 706-cam, 707-second driving rod, 708-ninth driving wheel, 709-tenth driving wheel, 7010-eleventh driving wheel, 7011-sixth electric push rod, 7012-combined shaft sleeve, 801-first supporting plate, 802-backing plate, 803-first rotating shaft, 804-second supporting plate, 805-first expansion plate, 806-first LED lamp bead plate, 807-first pressure-sensing switch, 808-second rotating shaft, 809-third supporting plate, 8010-second expansion plate, 8011-second LED lamp bead plate and 8012-second pressure-sensing switch.

Detailed Description

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

Example 1

A building design workbench comprises a desk body 1, a cover plate 2, a base 3, a control screen 4, a double-support mechanism 5, a circulating display mechanism 6, a protection projection mechanism 7 and a double-extension mechanism 8; the front end in the table body 1 is provided with a cover plate 2; the bottom end of the table body 1 is provided with a base 3; a control screen 4 is arranged on the right side of the top of the front end of the table body 1; the rear side of the middle part in the table body 1 is provided with a double-support mechanism 5; a circulating display mechanism 6 is arranged at the rear side of the middle part in the table body 1; a protective projection mechanism 7 is arranged at the rear side of the middle part in the table body 1, and the protective projection mechanism 7 is positioned at the rear side of the circulating display mechanism 6; the top end of the double-support mechanism 5 is provided with a double-expansion mechanism 8, and the outer ring of the outer surface of the double-expansion mechanism 8 is connected with the table body 1.

The working principle is as follows: when in use, the building design workbench is firstly placed at a position to be used, so that the base 3 is kept horizontal, the base 3 can prevent the desk body 1 and the cover plate 2 from being affected with damp, then the external power supply is connected, a user can sit at the front middle part of the desk body 1 by an external seat, the inner front middle part of the desk body 1 is a cavity, so that the feet of the user can conveniently move, then documents such as drawings can be placed on the double-expansion mechanism 8, then the building models are placed on the circulating display mechanism 6, one or two, preferably two, can be selected to be placed, the problems of the same object when the same object is watched at opposite angles can be compared at the same time, the pouring models can be better compared and researched, then the circulating display mechanism 6 is controlled by operating the control screen 4, the two building models can be rotated at the same time, the building models can be independently lifted, and lighting can be matched with the building models with different heights, on one hand, the building model can be studied more clearly, on the other hand, the condition under sunlight irradiation can be conveniently simulated, meanwhile, the circulating display mechanism 6 can be linked with the protection projection mechanism 7 to ascend to form a rear protection cover, and projection can also be matched to carry out 3D virtual study, and simultaneously, the linked double-support mechanism 5 is matched to control to independently or synchronously ascend one side or two sides of the double-expansion mechanism 8 to form an inclined plane, so that drawings at the far sides of the two sides can be conveniently checked, when the device is used, the drawings on the two sides can be conveniently checked after being expanded, illumination during checking is ensured, the drawings on the two sides can be simultaneously checked without adjusting the drawings, observation study of the building model can be matched, protection and projection 3D can be simultaneously realized to carry out matching study, and the comprehensive study effect is achieved, the convenience of the user can be greatly improved, synchronous research and comparison can be better realized, and the error rate of building simulation assumption is reduced.

The double-support mechanism 5 comprises a support seat 501, a first electric push rod 502, a second electric push rod 503, a first cylindrical gear 504, a first transmission wheel 505, a second transmission wheel 506, a second cylindrical gear 507, a third transmission wheel 508, a fourth transmission wheel 509, a swing mechanism 5010, a shift lever 5011, a limiting rod 5012, a sliding block fixing seat 5013, a sliding rod 5014, a limiting column 5015 and a bent arc rotating shaft 5016; the middle part of the top end of the supporting seat 501 is rotatably connected with a first electric push rod 502; the middle right side of the top end of the supporting seat 501 is rotatably connected with a second electric push rod 503, and the top of the second electric push rod 503 is connected with a first electric push rod 502; the top of the rear side of the first electric push rod 502 is rotationally connected with the first cylindrical gear 504; the rear axle center of the first cylindrical gear 504 is rotationally connected with a first driving wheel 505; the left side of the top end of the first cylindrical gear 504 is meshed with the second cylindrical gear 507; the bottom of the outer surface of the first driving wheel 505 is rotatably connected with a second driving wheel 506; the front end axle center of the second cylindrical gear 507 is rotationally connected with a third transmission wheel 508; the upper left part of the outer surface of the third driving wheel 508 is in driving connection with a fourth driving wheel 509; the rear side axle center of the fourth transmission wheel 509 is in rotary connection with the swing mechanism 5010; a driving lever 5011 is arranged at the right upper part of the rear end of the swing mechanism 5010; a limiting rod 5012 is arranged at the left bottom of the swing mechanism 5010; the rear side of the limiting rod 5012 is rotatably connected with the sliding block fixing seat 5013; the middle right side of the front end of the sliding block fixing seat 5013 is in sliding connection with the sliding rod 5014; the middle upper part of the front end of the sliding block fixing seat 5013 is cast and fused with the limiting column 5015; the top end of the sliding rod 5014 is provided with a bent arc rotating shaft 5016; the bottom end of the supporting seat 501 is connected with the table body 1; the axis of the first driving wheel 505 is connected with the protection projection mechanism 7; the axle center of the second transmission wheel 506 is connected with the circulating display mechanism 6; the axle center of the second cylindrical gear 507 is connected with the table body 1; the axle center of the third transmission wheel 508 is connected with the table body 1; the axle center of the fourth transmission wheel 509 is connected with the table body 1; the axle center of the swing mechanism 5010 is connected with the table body 1; the rear side of the sliding block fixing seat 5013 is connected with the table body 1; the top end of the bent arc rotating shaft 5016 is connected with the double-expansion mechanism 8.

When in use, the second electric push rod 503 is used for stretching and retracting, the rotation angle of the first electric push rod 502 on the supporting seat 501 is adjusted, so that the first electric push rod 502 drives the first cylindrical gear 504 to be meshed with the third transmission wheel 508 on the left side or the right side, the independent left side or right side is controlled to ascend, if the first electric push rod 503 and the second cylindrical gear 507 ascend simultaneously, the first electric push rod 502 directly ascends, then when the first cylindrical gear 504 is meshed with the second cylindrical gear 507, the second transmission wheel 506 drives the first transmission wheel 505 to rotate due to the linkage of the second transmission wheel 506 and the circulation display mechanism 6, and simultaneously the first cylindrical gear 504 is linked to drive the second cylindrical gear 507 to rotate, the second cylindrical gear 507 drives the third transmission wheel 508 to transmit the fourth transmission wheel 509, the fourth transmission wheel 509 rotates the swing mechanism 5010 to drive the shift lever 5011 to rotate, so that the limit lever 5012 is matched to rotate, and drive the slide rod 5014 on the, the limiting column 5015 can limit the downward sliding length of the sliding rod 5014, the bent arc rotating shaft 5016 is convenient to match with the double-expansion mechanism 8 to rotate, and the second supporting plate 804 and the third supporting plate 809 on two sides of the double-expansion mechanism 8 are independently or synchronously controlled to ascend and descend to display inclined drawings.

The circulating display mechanism 6 comprises a supporting outer frame 601, an annular guide rail 602, a third electric push rod 603, an LED illuminating lamp 604, a first rotary disc 605, a second rotary disc 606, a third cylindrical gear 607, a fourth cylindrical gear 608, a fifth cylindrical gear 609, a sixth cylindrical gear 6010, a fourth electric push rod 6011, a first telescopic rod 6012, a second telescopic rod 6013, a third telescopic rod 6014, a first gear group 6015, a first gear connecting shaft 6016, a first gear bottom plate 6017, a second gear group 6018, a second gear connecting shaft 6019, a second gear bottom plate 6020, a fifth driving wheel 6021, a sixth driving wheel 6022, a first driving roller 6023, a second driving roller 6024, a belt 6025, an adjusting gear 6026, a third driving roller 6027, a first bevel gear 6028, a second bevel gear 6029, a seventh driving wheel 6030, an eighth driving wheel 6031, a stepping motor 6032 and a fifth electric push rod 6033; an annular guide rail 602 is arranged on the outer ring of the top end of the supporting outer frame 601; the left side of the top in the supporting outer frame 601 is rotatably connected with a first rotary disc 605; the right side of the top in the supporting outer frame 601 is rotatably connected with a second turntable 606; a first gear tooth group 6015 is arranged at the bottom of the left end of the supporting outer frame 601; a second gear tooth group 6018 is arranged at the bottom of the right end of the supporting outer frame 601; the middle part of the rear side of the outer surface of the annular guide rail 602 is in sliding connection with a third electric push rod 603 through a slide block; the top end of the third electric push rod 603 is provided with an LED illuminating lamp 604; the bottom end of the first rotating disc 605 is rotatably connected with a third cylindrical gear 607; the bottom end of the second turntable 606 is rotatably connected with a sixth cylindrical gear 6010; the right side of the third cylindrical gear 607 is meshed with a fourth cylindrical gear 608; the bottom axis of the third cylindrical gear 607 is inserted into the fourth electric push rod 6011; the right side of the fourth cylindrical gear 608 is meshed with a fifth cylindrical gear 609, and the right side of the fifth cylindrical gear 609 is connected with a sixth cylindrical gear 6010; the bottom axis of the fourth cylindrical gear 608 is inserted into the first telescopic rod 6012; the bottom axis of the fifth cylindrical gear 609 is spliced with a second telescopic rod 6013; the bottom axis of the sixth cylindrical gear 6010 is inserted into the third telescopic rod 6014; the left side of the first gear tooth group 6015 is intermeshed with a first gear connecting shaft 6016; the bottom of the first gear connecting shaft 6016 is engaged with the first gear teeth bottom plate 6017; the front end axle center of the first gear connecting shaft 6016 is rotationally connected with a fifth driving wheel 6021; the right side of the second gear tooth group 6018 is engaged with the second gear connecting shaft 6019; the bottom of the second gear connecting shaft 6019 is meshed with the second gear tooth bottom plate 6020; the bottom of the outer surface of the fifth driving wheel 6021 is in transmission connection with the sixth driving wheel 6022; the rear shaft center of the sixth driving wheel 6022 is rotationally connected with the first driving roller 6023; a second driving roller 6024 is arranged at the rear side of the first driving roller 6023; the outer surface of the second driving roller 6024 is in driving connection with the belt 6025; an adjusting gear rod 6026 is arranged in the middle of the belt 6025; the inner right side of the belt 6025 is in transmission connection with a third transmission roller 6027; the middle part of the front end of the adjusting gear rod 6026 is welded with the fifth electric push rod 6033; the axle center of the rear end of the third driving roller 6027 is rotatably connected with the first bevel gear 6028; the axle center of the front end of the third driving roller 6027 is rotatably connected with a seventh driving wheel 6030; the top part of the back side of the first bevel gear 6028 is meshed with the second bevel gear 6029, and the top part of the second bevel gear 6029 is connected with the fourth electric push rod 6011; the upper right part of the outer surface of the seventh transmission wheel 6030 is rotatably connected with an eighth transmission wheel 6031; the rear axle center of the eighth transmission wheel 6031 is rotatably connected with a stepping motor 6032; the outer surface of the supporting outer frame 601 is connected with the table body 1; the bottom end of the first telescopic rod 6012 is connected with the table body 1; the bottom end of the second telescopic rod 6013 is connected with the table body 1; the bottom end of the third telescopic rod 6014 is connected with the table body 1; the axle center of the first gear connecting shaft 6016 is connected with the table body 1; the bottom end of the first gear tooth bottom plate 6017 is connected with the table body 1; the axle center of the second gear connecting shaft lever 6019 is connected with the table body 1; the bottom end of the second gear tooth bottom plate 6020 is connected with the table body 1; the axle center of the fifth driving wheel 6021 is connected with the table body 1; the axle center of the sixth transmission wheel 6022 is connected with the table body 1; the axle center of the second driving roller 6024 is connected with the table body 1; the axle center of the first bevel gear 6028 is connected with the table body 1; the axis of a seventh transmission wheel 6030 is connected with the table body 1; the axis of an eighth transmission wheel 6031 is connected with the double-support mechanism 5; the outer surface of the stepping motor 6032 is connected with the table body 1; the fifth electric push rod 6033 is connected with the table body 1.

When the building model is used, the building model can be placed at the upper ends of the first rotating disc 605 and the second rotating disc 606, when the building model is lifted by the marble of the supporting outer frame 601 to be controlled to rise, the belt 6025 can be pushed forwards by the fifth electric push rod 6033, then the fourth electric push rod 6011 drives the second bevel gear 6029 to contract, so that the second bevel gear 6029 is not meshed with the first bevel gear 6028, then the stepping motor 6032 drives the eighth driving wheel 6031 to drive the seventh driving wheel 6030, the seventh driving wheel 6030 drives the third driving roller 6027 to rotate, the third driving roller 6027 drives the belt 6025 to drive the first driving roller 6023, the first driving roller 6023 rotates the sixth driving wheel 602 to drive the fifth driving wheel 6021, so that the fifth driving wheel 6021 drives the first gear connecting shaft 6016 to rotate and simultaneously mesh with the first gear train 6015 and the first gear bottom plate 6017 to drive the supporting outer frame 601 to rise, and simultaneously, the second gear connecting shaft 6019 on the right side follows to rotate, when the first turntable 605 and the second turntable 606 need to be independently rotated, the belt 6025 is pushed back by the fifth electric push rod 6033, then the fourth electric push rod 6011 drives the second bevel gear 6029 to descend, so that the second bevel gear 6029 is meshed with the first bevel gear 6028, then the stepping motor 6032 drives the eighth driving wheel 6031 to drive the seventh driving wheel 6030, the seventh driving wheel 6030 drives the third driving roller 6027 to rotate, the third driving roller 6027 drives the first bevel gear 6028 to mesh with the second bevel gear 6029, the fourth electric push rod 6011 is driven to rotate by the second bevel gear 6029, the third cylindrical gear 607 is driven to rotate by the fourth electric push rod 6011, the third cylindrical gear 607 is meshed with the fourth cylindrical gear 608, the fifth cylindrical gear 609 and the sixth cylindrical gear 6010, so that the first turntable 605 and the second turntable 606 rotate synchronously, and rotate in the opposite direction to facilitate viewing of the same position, building models at different angles, while the fourth electric push rod 6011 still keeps the second bevel gear 6029 engaged with the first bevel gear 6028, the belt 6025 is pushed forward by the fifth electric push rod 6033, so that the support frame 601 drives the first rotary disk 605 and the second rotary disk 606 to rotate while slowly ascending, meanwhile, the lifting height of the third electric push rod 603 can be adjusted in a matching way according to the height of the building model, so that the third electric push rod can better match with the LED illuminating lamp 604 to illuminate the building model, meanwhile, the third electric push rod 603 and the LED illuminating lamp 604 can be driven to rotate by matching with the annular guide rail 602 so as to be convenient for searching illuminating light rays with different angles, thereby realizing multi-directional display of the building model, simultaneously, the lifting device can be lifted independently or synchronously, and simultaneously simulate and research building models at different visual angles, so that users can research the building models better by matching with drawings.

The protection projection mechanism 7 comprises a protection projection plate 701, a Y-shaped support frame 702, a sliding sleeve 703, a first transmission rod 704, a rhombic transmission rod 705, a cam 706, a second transmission rod 707, a ninth transmission wheel 708, a tenth transmission wheel 709, an eleventh transmission wheel 7010, a sixth electric push rod 7011 and a combined shaft sleeve 7012; a Y-shaped support frame 702 is arranged at the bottom end of the protection projection plate 701; the bottom of the rear side of the outer surface of the Y-shaped support frame 702 is in sliding connection with the sliding sleeve 703; the middle bottom of the front end of the Y-shaped support frame 702 is in transmission connection with a first transmission rod 704; the bottom of the rear side of the first transmission rod 704 is in transmission connection with a rhombic transmission rod 705; the middle part of the rear end of the rhombic transmission rod 705 is in transmission connection with a cam 706; the right upper part of the front end of the rhombic transmission rod 705 is in transmission connection with a second transmission rod 707; the upper part of the rear end of the cam 706 is in transmission connection with a ninth transmission wheel 708; the rear end of the ninth driving wheel 708 is in transmission connection with a tenth driving wheel 709 through a rotating rod; the bottom of the outer surface of the tenth driving wheel 709 is in driving connection with an eleventh driving wheel 7010; the front end axle center of the eleventh driving wheel 7010 is spliced with the sixth electric push rod 7011; the front part of the outer surface of the sixth electric push rod 7011 is sleeved with the combined shaft sleeve 7012; the outer surface of the protection projection plate 701 is connected with the table body 1; the rear end of the sliding sleeve 703 is connected with the table body 1; the top of the rear side of the second transmission rod 707 is connected with the table body 1; the axle center of the tenth driving wheel 709 is connected with the table body 1; the axis of the eleventh transmission wheel 7010 is connected with the table body 1; the outer surface of the combined shaft sleeve 7012 is connected with the double-support mechanism 5.

When in use, the double supporting mechanisms 5 are matched with the linkage of the circulating display mechanism 6, and simultaneously the sixth electric push rod 7011 drives the combined shaft sleeve 7012 to be combined with the double supporting mechanisms 5, then, the sixth electric push rod 7011 rotates to drive the eleventh driving wheel 7010 to drive the tenth driving wheel 709, so that the tenth driving wheel 709 drives the ninth driving wheel 708 to synchronously rotate, the cam 706 is driven, the cam 706 rotates to drive the rhombic driving rod 705 to drive the first driving rod 704 and the second driving rod 707 to drive, the first driving rod 704 drives the Y-shaped support frame 702 to slide on the sliding sleeve 703, the protection projection plate 701 is driven to ascend, after ascending, the sixth electric push rod 7011 drives the combined shaft sleeve 7012 to contract and separate from a combination, so that the protection projection plate can keep a protection state, the protection projection plate 701 can play a role in protecting the building model from falling and breaking and can be matched with the projection 3D model for research, and the research efficiency and accuracy of a user are greatly improved.

The double-expansion mechanism 8 comprises a first supporting plate 801, a base plate 802, a first rotating shaft 803, a second supporting plate 804, a first telescopic plate 805, a first LED lamp bead plate 806, a first pressure-sensitive switch 807, a second rotating shaft 808, a third supporting plate 809, a second telescopic plate 8010, a second LED lamp bead plate 8011 and a second pressure-sensitive switch 8012; a backing plate 802 is arranged at the front part of the top end of the first supporting plate 801; the front part of the left end of the first supporting plate 801 is rotatably connected with a first rotating shaft 803; the front part of the right end of the first supporting plate 801 is rotatably connected with a second rotating shaft 808; the rear end of the first rotating shaft 803 is rotatably connected with the second support plate 804; a first expansion plate 805 is arranged on the right side in the second supporting plate 804; a first LED lamp bead plate 806 is disposed at the top end of the first expansion plate 805; a first pressure switch 807 is arranged at the left rear side of the top end of the first expansion plate 805; the rear end of the second rotating shaft 808 is rotatably connected with a third support plate 809; a second expansion plate 8010 is arranged on the left side in the third support plate 809; a second LED lamp bead plate 8011 is arranged at the top end of the second telescopic plate 8010; a second pressure-sensitive switch 8012 is arranged on the right rear side of the top end of the second expansion plate 8010; the front end and the rear end of the first supporting plate 801 are connected with the table body 1; the front end of the first rotating shaft 803 is connected with the table body 1; the outer surface of the second supporting plate 804 is connected with the table body 1; the bottom end of the second supporting plate 804 is connected with the double-supporting mechanism 5; the front end of the second rotating shaft 808 is connected with the table body 1; the outer surface of the third supporting plate 809 is connected with the table body 1; the bottom end of the third support plate 809 is connected with the double support mechanism 5.

When in use, the second support plate 804 and the third support plate 809 can be pushed up under the matching lifting of the double support mechanism 5, the second support plate 804 is matched with the first rotating shaft 803 on the first support plate 801 to rotate, the rear side of the second support plate is lifted to a certain height, the second rotating shaft 808 on the first support plate 801 is matched with the third support plate 809 to rotate, the rear side of the second support plate is lifted to a certain height, the second support plate 804 is lifted to drive the first telescopic plate 805 to be pulled out to form a side inclined surface, the switch is powered on after the first pressure-sensitive switch 807 is separated from the switch pressure during pulling out, the first LED lamp bead plate 806 is used for illumination, the third support plate 809 is lifted up similarly to drive the second telescopic plate 8010 to be pulled out to form a side inclined surface, the switch is powered on after the second pressure-sensitive switch 8012 is separated from the switch pressure during pulling out, the second LED lamp bead plate 8011 is used for illumination, and synchronous lifting and independent lifting can be realized, and backing plate 802 on first backup pad 801 can increase the comfort level that the hand was put, has realized placing the drawing to the far away department in both sides of controlling and has supported, improves the angle of looking over, is convenient for look over, and second backup pad 804 and third backup pad 809 mesa all can be adsorbed by magnet simultaneously, are convenient for fix the drawing, can also prevent the drawing light variation on first backup pad 801 after rising simultaneously to the drawing of contrast and research a plurality of positions when the user is better.

The second cylindrical gear 507, the third transmission wheel 508, the fourth transmission wheel 509, the swing mechanism 5010, the shift lever 5011, the limiting rod 5012, the sliding block fixing seat 5013, the sliding rod 5014, the limiting column 5015 and the bent arc rotating shaft 5016 are respectively arranged in two groups, and the two groups are combined and symmetrically distributed along the vertical axis of the first transmission wheel 505, so that the second supporting plate 804 and the third supporting plate 809 can be supported at the same time, the second supporting plate 804 and the third supporting plate 809 can be inclined upwards, and a comparison drawing can be conveniently consulted.

The bottom of the right end of the sliding rod 5014 is provided with a groove; the upper part of the middle part of the right end and the middle part of the left end are both provided with a limiting block which can be matched for limiting up and down.

The inclined angles of the first telescopic plate 805 and the second telescopic plate 8010 after being stretched are thirty degrees, and the first support plate 801 is used as a center and inclines inwards, so that the table top of the first support plate 801 can be illuminated by the first LED lamp bead plate 806 and the second LED lamp bead plate 8011 of the first telescopic plate 805 and the second telescopic plate 8010 after the second support plate 804 and the third support plate 809 are pushed upwards, and the second support plate 804 and the third support plate 809 are prevented from blocking light.

The pad plate 802 is in a slope shape and has certain elasticity, so that the height difference of the joint between the second support plate 804 and the third support plate 809 after being pushed up and the first support plate 801 can be prevented, and the joint can press hands to cause discomfort in use.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A building design workbench comprises a desk body, a cover plate, a base and a control screen, and is characterized by further comprising a double-support mechanism, a circulating display mechanism, a protection projection mechanism and a double-expansion mechanism; the middle front end in the table body is provided with a cover plate; the bottom end of the table body is provided with a base; a control screen is arranged on the right side of the top of the front end of the table body; the rear side of the middle part in the table body is provided with a double-support mechanism; a circulating display mechanism is arranged at the rear side of the middle part in the table body; the rear side of the middle part in the table body is provided with a protection projection mechanism, and the protection projection mechanism is positioned at the rear side of the circulating display mechanism; the top end of the double-support mechanism is provided with a double-expansion mechanism, and the outer ring of the outer surface of the double-expansion mechanism is connected with the table body.

2. The architectural design work platform of claim 1, wherein the dual support mechanism comprises a support base, a first power push rod, a second power push rod, a first cylindrical gear, a first driving wheel, a second cylindrical gear, a third driving wheel, a fourth driving wheel, a swing mechanism, a shift lever, a limit lever, a slide holder, a slide bar, a limit post and a curved rotating shaft; the middle part of the top end of the supporting seat is rotationally connected with the first electric push rod; the middle right side of the top end of the supporting seat is rotatably connected with a second electric push rod, and the top of the second electric push rod is connected with a first electric push rod; the top of the rear side of the first electric push rod is rotationally connected with the first cylindrical gear; the rear-side axis of the first cylindrical gear is rotationally connected with the first transmission wheel; the left side of the top end of the first cylindrical gear is meshed with the second cylindrical gear; the bottom of the outer surface of the first driving wheel is rotationally connected with the second driving wheel; the axle center of the front end of the second cylindrical gear is rotationally connected with a third transmission wheel; the upper left of the outer surface of the third driving wheel is in transmission connection with the fourth driving wheel; the rear side axle center of the fourth driving wheel is rotationally connected with the slewing mechanism; a deflector rod is arranged at the right upper part of the rear end of the swing mechanism; a limiting rod is arranged at the left bottom of the slewing mechanism; the rear side of the limiting rod is rotationally connected with the sliding block fixing seat; the middle right side of the front end of the sliding block fixing seat is in sliding connection with the sliding rod; the middle upper part of the front end of the sliding block fixing seat is cast and fused with the limiting column; the top end of the sliding rod is provided with a bent arc rotating shaft; the bottom end of the supporting seat is connected with the table body; the axle center of the first transmission wheel is connected with the protection projection mechanism; the axle center of the second transmission wheel is connected with the circulating display mechanism; the axle center of the second cylindrical gear is connected with the table body; the axle center of the third driving wheel is connected with the table body; the axle center of the fourth transmission wheel is connected with the table body; the axis of the rotary mechanism is connected with the table body; the rear side of the sliding block fixing seat is connected with the table body; the top end of the curved arc rotating shaft is connected with the double-expanding mechanism.

3. The architectural design workbench according to claim 2, wherein the circular display mechanism comprises a support frame, a circular guide rail, a third electric push rod, an LED lighting lamp, a first rotating disc, a second rotating disc, a third cylindrical gear, a fourth cylindrical gear, a fifth cylindrical gear, a sixth cylindrical gear, a fourth electric push rod, a first telescopic rod, a second telescopic rod, a third telescopic rod, a first gear set, a first gear connecting shaft rod, a first gear bottom plate, a second gear set, a second gear connecting shaft rod, a second gear bottom plate, a fifth transmission wheel, a sixth transmission wheel, a first transmission roller, a second transmission roller, a belt, an adjusting lever, a third transmission roller, a first bevel gear, a second bevel gear, a seventh transmission wheel, an eighth transmission wheel, a stepping motor and a fifth electric push rod; an annular guide rail is arranged on the outer ring of the top end of the supporting outer frame; the left side of the top in the supporting outer frame is rotationally connected with the first rotating disc; the right side of the top in the supporting outer frame is rotationally connected with the second turntable; a first gear set is arranged at the bottom of the left end of the supporting outer frame; a second gear set is arranged at the bottom of the right end of the supporting outer frame; the middle part of the rear side of the outer surface of the annular guide rail is in sliding connection with a third electric push rod through a slide block; the top end of the third electric push rod is provided with an LED illuminating lamp; the bottom end of the first rotary table is rotationally connected with the third cylindrical gear; the bottom end of the second rotary table is rotationally connected with the sixth cylindrical gear; the right side of the third cylindrical gear is meshed with the fourth cylindrical gear; the bottom axis of the third cylindrical gear is inserted with the fourth electric push rod; the right side of the fourth cylindrical gear is meshed with the fifth cylindrical gear, and the right side of the fifth cylindrical gear is connected with the sixth cylindrical gear; the bottom axis of the fourth cylindrical gear is inserted into the first telescopic rod; the bottom axis of the fifth cylindrical gear is inserted into the second telescopic rod; the bottom axis of the sixth cylindrical gear is inserted into the third telescopic rod; the left side of the first gear tooth group is meshed with the first gear connecting shaft rod; the bottom of the first gear connecting shaft rod is meshed with the first gear tooth bottom plate; the axle center of the front end of the first gear connecting shaft rod is rotationally connected with the fifth transmission wheel; the right side of the second gear tooth group is meshed with the second gear connecting shaft rod; the bottom of the second gear connecting shaft rod is meshed with the second gear tooth bottom plate; the bottom of the outer surface of the fifth driving wheel is in transmission connection with the sixth driving wheel; a rear shaft center of the sixth transmission wheel is rotationally connected with the first transmission roller; a second driving roller is arranged at the rear side of the first driving roller; the outer surface of the second transmission roller is in transmission connection with a belt; an adjusting gear lever is arranged in the middle of the belt; the inner right side of the belt is in transmission connection with a third transmission roller; the middle part of the front end of the adjusting gear lever is welded with the fifth electric push rod; the rear end axle center of the third driving roller is rotationally connected with the first bevel gear; the axle center of the front end of the third transmission roller is rotationally connected with a seventh transmission wheel; the top of the rear side of the first bevel gear is meshed with the second bevel gear, and the top of the second bevel gear is connected with the fourth electric push rod; the upper right part of the outer surface of the seventh driving wheel is rotationally connected with the eighth driving wheel; the rear side axle center of the eighth driving wheel is rotationally connected with the stepping motor; the outer surface of the supporting outer frame is connected with the table body; the bottom end of the first telescopic rod is connected with the table body; the bottom end of the second telescopic rod is connected with the table body; the bottom end of the third telescopic rod is connected with the table body; the axle center of the first gear connecting shaft lever is connected with the table body; the bottom end of the first gear tooth bottom plate is connected with the table body; the axle center of the second gear connecting shaft lever is connected with the table body; the bottom end of the second gear tooth bottom plate is connected with the table body; the axis of the fifth driving wheel is connected with the table body; the axis of the sixth transmission wheel is connected with the table body; the axle center of the second transmission roller is connected with the table body; the axle center of the first bevel gear is connected with the table body; the axle center of the seventh transmission wheel is connected with the table body; the axle center of the eighth transmission wheel is connected with the double-support mechanism; the outer surface of the stepping motor is connected with the table body; the axis of the fifth electric push rod is connected with the table body.

4. The architectural design workbench according to claim 3, wherein the protection projection mechanism comprises a protection projection plate, a Y-shaped support frame, a sliding sleeve, a first transmission rod, a rhombic transmission rod, a cam, a second transmission rod, a ninth transmission wheel, a tenth transmission wheel, an eleventh transmission wheel, a sixth electric push rod and a combined shaft sleeve; the bottom end of the protection projection plate is provided with a Y-shaped support frame; the bottom of the rear side of the outer surface of the Y-shaped support frame is in sliding connection with the sliding sleeve; the middle bottom of the front end of the Y-shaped support frame is in transmission connection with a first transmission rod; the bottom of the rear side of the first transmission rod is in transmission connection with the rhombic transmission rod; the middle part of the rear end of the rhombic transmission rod is in transmission connection with the cam; the right upper part of the front end of the rhombic transmission rod is in transmission connection with a second transmission rod; the upper part of the rear end of the cam is in transmission connection with a ninth transmission wheel; the rear end of the ninth driving wheel is in transmission connection with the tenth driving wheel through a rotating rod; the bottom of the outer surface of the tenth driving wheel is in transmission connection with the eleventh driving wheel; the front end axle center of the eleventh transmission wheel is inserted with the sixth electric push rod; the front part of the outer surface of the sixth electric push rod is sleeved with the combined shaft sleeve; the outer surface of the protection projection plate is connected with the table body; the rear end of the sliding sleeve is connected with the table body; the top of the rear side of the second transmission rod is connected with the table body; the axle center of the tenth transmission wheel is connected with the table body; the shaft center of the eleventh transmission wheel is connected with the table body; the outer surface of the combined shaft sleeve is connected with the double-support mechanism.

5. The architectural design workbench according to claim 4, wherein the dual-extension mechanism comprises a first support plate, a backing plate, a first rotating shaft, a second support plate, a first expansion plate, a first LED lamp bead plate, a first pressure-sensitive switch, a second rotating shaft, a third support plate, a second expansion plate, a second LED lamp bead plate and a second pressure-sensitive switch; a base plate is arranged at the front part of the top end of the first supporting plate; the front part of the left end of the first supporting plate is rotationally connected with the first rotating shaft; the front part of the right end of the first supporting plate is rotationally connected with the second rotating shaft; the rear end of the first rotating shaft is rotatably connected with the second supporting plate; a first expansion plate is arranged on the inner right side of the second supporting plate; a first LED lamp bead plate is arranged at the top end of the first telescopic plate; a first pressure-sensitive switch is arranged on the left rear side of the top end of the first expansion plate; the rear end of the second rotating shaft is rotatably connected with the third supporting plate; a second expansion plate is arranged on the left side in the third supporting plate; a second LED lamp bead plate is arranged at the top end of the second expansion plate; a second pressure-sensitive switch is arranged on the right rear side of the top end of the second expansion plate; the front end and the rear end of the first supporting plate are connected with the table body; the front end of the first rotating shaft is connected with the table body; the outer surface of the second supporting plate is connected with the table body; the bottom end of the second supporting plate is connected with the double-supporting mechanism; the front end of the second rotating shaft is connected with the table body; the outer surface of the third supporting plate is connected with the table body; the bottom end of the third supporting plate is connected with the double-supporting mechanism.

6. A construction design workbench according to claim 5, wherein two of the second cylindrical gear, the third driving wheel, the fourth driving wheel, the swing mechanism, the shift lever, the limiting rod, the slide block holder, the slide rod, the limiting post and the curved rotating shaft are respectively combined to form two sets, and the two sets are axially symmetrically distributed around the vertical axis of the first driving wheel.

7. The architectural design work platform of claim 6, wherein the right end of the slide bar is at the bottom; a limiting block is arranged above the middle part of the right end and in the middle part of the left end.

8. The architectural design work platform of claim 7, wherein the first expansion plate and the second expansion plate are inclined at an angle of thirty degrees after being stretched and are both inclined inwardly centering on the first support plate.

9. A building design work platform according to claim 8, characterized in that the support plate is ramp-shaped and somewhat resilient.