CN114766884B

CN114766884B - Combined model display equipment for urban design

Info

Publication number: CN114766884B
Application number: CN202210411964.XA
Authority: CN
Inventors: 曹宇; 李玮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2023-05-16
Anticipated expiration: 2042-04-19
Also published as: CN114766884A

Abstract

The invention relates to a combined model display device for urban design, which comprises a regulating and controlling unit and a display unit, wherein the upper end surface of the regulating and controlling unit is fixedly provided with the display unit, the regulating and controlling unit comprises a horizontal moving platform, a universal wheel, a first motor, a first bevel gear, a second bevel gear, a rotating piece, an electric telescopic rod, a fixed platform, a display unit, a supporting column and an auxiliary observation frame.

Description

Combined model display equipment for urban design

Technical Field

The invention relates to the technical field of model display, in particular to combined model display equipment for urban design.

Background

In order to facilitate the planning and design of cities, a scaling mode is adopted to plan the city building to be built and the built city building on a design platform in a model mode, so that the city planning is facilitated, and meanwhile, the subsequent modification of the city design is facilitated.

Traditional combined model display device for urban design generally directly with model and show platform fixed connection, a show platform only can show an urban design, when later stage needs to change, need spend certain manpower and materials, and waste time, and the model at show platform middle part is because of the distance problem, leads to the visitor to be difficult to observe completely, influences display device's bandwagon effect.

Disclosure of Invention

In order to solve the technical problems, the invention provides a combined model display device for urban design.

The combined model display device for urban design comprises a regulating and controlling unit and a display unit, wherein the display unit is fixedly arranged on the upper end surface of the regulating and controlling unit.

The regulation and control unit includes the horizontal migration platform, even fixed mounting of terminal surface has the universal wheel under the horizontal migration platform, horizontal migration platform middle part fixed mounting has motor one, motor one output shaft has bevel gear one through shaft coupling fixed mounting, it is connected with bevel gear two to rotate on the horizontal migration platform, bevel gear one and bevel gear two phase engagement, bevel gear two upper end fixed mounting has the rotating member, rotate between rotating member and the horizontal migration platform and be connected with electric telescopic handle, electric telescopic handle upper end fixed mounting has fixed platform, fixed platform up end fixed mounting has the show unit, equal fixed mounting in four corners in fixed platform upper end has the stand, supplementary observation frame is fixed mounting jointly to the stand upper end.

The display unit comprises an electromagnetic plate, the upper end face of a fixed platform is uniformly and fixedly provided with the electromagnetic plate, the upper end face of the electromagnetic plate is fixedly provided with an insulating thin plate, the upper end of the insulating thin plate is fixedly provided with a grid clamping groove plate, a model prop is inserted into the grid clamping groove plate as required, the lower end face of the model prop is uniformly and fixedly provided with a clamping piece, the lower end of the clamping piece is fixedly provided with a magnetic attraction piece, the periphery of the fixed platform is fixedly provided with a protective rail, the upper ends of the protective rails which are symmetrical in front and back are connected with a cleaning frame in a sliding fit manner, the middle part of the protective rail on the rear side is rotationally connected with a threaded column, the threaded column is connected with the cleaning frame in a threaded connection manner, the right end of the threaded column is fixedly provided with a control knob, the upper end of the grid clamping groove plate is uniformly and fixedly provided with a metal slot, and the metal slot is electrically connected with a power plug.

The first preferred technical scheme is as follows: the horizontal moving table comprises a table body, a disc-shaped groove is formed in the upper end of the table body, a limiting annular groove is formed in the disc-shaped groove, a lubricating column is rotationally connected in the limiting annular groove through a pin shaft, and rolling beads are uniformly and rollingly connected to the inner wall of the disc-shaped groove; the rotating piece is limited through the disc-shaped groove, the rotating piece is further limited through the limiting annular groove, and friction resistance of the rotating piece in the rotating process is reduced through the lubricating column and the rolling beads.

And the second preferred technical scheme is as follows: the rotating piece comprises a rotating disc, the upper end of the bevel gear II is fixedly provided with the rotating disc, the limiting annular groove is rotationally connected with an annular limiting piece, and the annular limiting piece is fixedly connected with the rotating disc.

And the preferred technical scheme is as follows: the auxiliary observation frame comprises a transparent four-foot support, the upper end of a supporting column is fixedly provided with the transparent four-foot support, the lower end face of the transparent four-foot support is uniformly and fixedly provided with an illuminating lamp, the lower end face of the middle part of the transparent four-foot support is fixedly provided with a camera, one side, away from the camera, of the supporting column is fixedly provided with a display screen, and the display screen is connected with the camera through a net wire and a high-definition wire.

The preferable technical scheme is as follows: the grid slot plate comprises a plate body, wherein the upper end of an insulating thin plate is fixedly provided with the plate body, the upper end of the plate body is uniformly provided with cylindrical slots, bulbs are uniformly and fixedly arranged in the model prop, adjacent bulbs are connected in series through wires, the lower end of the middle part of the model prop is fixedly provided with a switch plug-in unit, and two ends of the switch plug-in unit are respectively and electrically connected with two ends of the wires which are connected in series.

The preferable technical scheme is as follows: the rail guard is transparent glass material, and arc guide rail groove has all been seted up to the rail guard upper end of both sides around, and the cylinder recess has evenly been seted up to the symmetry around in the arc guide rail groove, and fixed mounting has extrusion spring in the cylinder recess, and extrusion spring end fixed mounting has the arc casing, roll connection has the lubrication pearl in the arc casing.

The preferable technical scheme is as follows: the cleaning frame comprises a movable support, the movable support is connected between the upper ends of the guard rails which are symmetrical front and back in a sliding fit mode, the lower end face of the movable support is rotationally connected with a guide circular pipe, the lower end of the guide circular pipe is fixedly provided with a horn barrel, the middle part of the movable support is fixedly provided with a collecting pipe, the lower end face of the collecting pipe is uniformly and fixedly provided with a branch hose, the tail end of the branch hose is fixedly connected with the guide circular pipe, the rear end of the movable support is fixedly provided with a dust collector, and the rear end of the movable support is clamped with a collecting box.

The preferred technical scheme is as follows: the control knob comprises a guide post, a guide piece groove is formed in the right end of the threaded post, the guide post is connected in the guide piece groove in a sliding fit mode, a toothed plate is fixedly arranged at the right end of the guide post, a rotary knob is rotationally connected to the right end of a guard rail at the rear side, tooth grooves matched with the toothed plate are uniformly formed in the inner end surface of the rotary knob, and a pulling knob is fixedly arranged at the right end of the toothed plate.

The eighth preferred technical scheme is as follows: the upper side of the inner end of the metal slot is rotationally connected with a protecting piece through a pin shaft, a torsion spring is sleeved on the pin shaft, one end of the torsion spring is fixedly connected with the metal slot, the other end of the torsion spring is fixedly connected with the protecting piece, and an anti-interference groove is formed in the metal slot and close to one side of the torsion spring; when the switch plug-in is inserted into the metal slot, the protection piece is extruded and contacted with the interference prevention groove so as to prevent the interference switch plug-in from being inserted into the metal slot, and when the switch plug-in is separated from the metal slot, the protection piece is restored to the initial position under the action of the elasticity of the torsion spring so as to block the metal slot and prevent the metal slot from entering dust.

The invention has the following beneficial effects: 1. according to the combined model display equipment for city design, the regulating and controlling unit is matched with the display unit, the height of the display equipment is adjusted according to the needs of visitors, the direction of the display equipment is adjusted according to the needs, when the visitors are difficult to observe the middle part of the display equipment, the regulating and controlling unit assists the visitors to observe the model positioned in the middle part of the equipment, so that the visitors can observe completely, the model can be quickly disassembled, and the model can be replaced, so that the aim of quickly adjusting the display equipment is fulfilled.

2. According to the display unit provided by the invention, the arc-shaped shell and the lubricating beads extend out of the cylindrical groove by utilizing the elasticity of the extrusion spring to block the inside of the arc-shaped guide rail groove, so that impurity particles are prevented from entering the arc-shaped guide rail groove, and the movement of the cleaning frame is influenced.

3. According to the display unit, the pulling knob is pulled rightwards, so that the toothed plate is matched with the tooth slot, and the purpose of driving the threaded column to rotate can be achieved by rotating the rotating knob.

4. According to the display unit provided by the invention, the protective piece is restored to the initial position under the action of the elasticity of the torsion spring, so that the metal slot is blocked, and dust is prevented from entering the metal slot.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of a front view plane structure of the present invention.

Fig. 3 is an enlarged view of a portion at N of fig. 2 in accordance with the present invention.

Fig. 4 is an enlarged view of a portion of fig. 2 at E in accordance with the present invention.

Fig. 5 is a schematic view of a left-side plan view structure of the present invention.

Fig. 6 is an enlarged view of a portion of the invention at M of fig. 5.

In the figure: 1. a regulation unit; 10. a horizontal moving stage; 101. a table body; 102. a disc-shaped groove; 103. a limit annular groove; 104. a lubrication column; 105. rolling the beads; 11. a universal wheel; 12. a first motor; 13. bevel gears I; 14. bevel gears II; 15. a rotating member; 151. rotating the disc; 152. an annular limiting member; 16. an electric telescopic rod; 17. a fixed platform; 18. a support column; 19. an auxiliary observation frame; 191. a transparent four-foot support; 192. a lighting lamp; 193. a camera; 194. a display screen; 2. a display unit; 20. an electromagnetic plate; 21. an insulating sheet; 22. grid slot plate; 221. a plate body; 222. a cylindrical clamping groove; 223. a bulb; 224. a wire; 225. a switch plug-in; 23. model props; 24. a clip; 25. a magnetic attraction piece; 26. a guard rail; 261. an arc-shaped guide rail groove; 262. a cylindrical groove; 263. extruding a spring; 264. an arc-shaped housing; 265. lubricating the beads; 27. a cleaning frame; 271. a movable support; 272. a material guiding circular tube; 273. a horn; 274. a collection pipe; 275. a branch hose; 276. a dust collector; 277. a collection box; 28. a threaded column; 29. a control knob; 291. a guide post; 292. a guide groove; 293. a toothed plate; 294. rotating a knob; 295. tooth slots; 296. pulling the knob; 30. a metal slot; 301. a guard; 302. a torsion spring; 303. an interference prevention groove; 31. a power plug.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, a combined model display device for urban design comprises a regulating and controlling unit 1 and a display unit 2, wherein the display unit 2 is fixedly arranged on the upper end surface of the regulating and controlling unit 1.

Referring to fig. 1 and 2, the regulating unit 1 includes a horizontal moving table 10, a universal wheel 11 is uniformly and fixedly mounted on the lower end surface of the horizontal moving table 10, a first motor 12 is fixedly mounted in the middle of the horizontal moving table 10, a first bevel gear 13 is fixedly mounted on an output shaft of the first motor 12 through a coupling, a second bevel gear 14 is rotatably connected on the horizontal moving table 10, the first bevel gear 13 is meshed with the second bevel gear 14, a rotating member 15 is fixedly mounted on the upper end of the second bevel gear 14, the rotating member 15 is rotatably connected with the horizontal moving table 10, an electric telescopic rod 16 is uniformly and rotatably connected on the upper end of the rotating member 15, a fixed platform 17 is fixedly mounted on the upper end of the electric telescopic rod 16, a display unit 2 is fixedly mounted on the upper end surface of the fixed platform 17, supporting columns 18 are fixedly mounted on four corners of the upper end of the fixed platform 17, and auxiliary observation frames 19 are fixedly mounted on the upper ends of the supporting columns 18 together; firstly, the horizontal moving table 10 is moved to a proper position through the universal wheel 11, the height of the fixed platform 17 is controlled through the electric telescopic rod 16, the display unit 2 is set, the electric telescopic rod 16 is controlled to stretch and retract according to the requirement in the display process, the first motor 12 drives the first bevel gear 13 to rotate, the purpose of driving the second bevel gear 14 to rotate is achieved, and finally the rotation of the display unit 2 is controlled.

Referring to fig. 1 and 5, the display unit 2 includes an electromagnetic plate 20, an upper end surface of a fixed platform 17 is uniformly and fixedly provided with the electromagnetic plate 20, an upper end surface of the electromagnetic plate 20 is fixedly provided with an insulating thin plate 21, an upper end of the insulating thin plate 21 is fixedly provided with a grid clamping groove plate 22, a model prop 23 is inserted into the grid clamping groove plate 22 according to requirements, a clamping piece 24 is uniformly and fixedly provided with a magnetic attraction piece 25 at a lower end surface of the model prop 23, guard rails 26 are fixedly provided around the fixed platform 17, cleaning frames 27 are connected between upper ends of the guard rails 26 which are symmetrical front and back in a sliding fit manner, a threaded column 28 is rotationally connected in the middle of the guard rails 26 at a rear side, the threaded column 28 is connected with the cleaning frames 27 in a threaded connection manner, a control knob 29 is fixedly provided at a right end of the threaded column 28, a metal slot 30 is uniformly and fixedly provided at an upper end of the grid clamping groove plate 22, and the metal slot 30 is electrically connected with a power plug 31; after the clamping piece 24 on the model prop 23 is clamped with the grid clamping groove plate 22, the electromagnetic plate 20 is electrified, the magnetic attraction piece 25 is attracted with the electromagnetic plate 20, the electromagnetic plate 20 is prevented from being directly contacted with the outside through the insulating thin plate 21, finally, damage is caused to a human body, dust impurities attached to the model prop 23 are cleaned through the cleaning frame 27, the rotation of the threaded column 28 is controlled through the control knob 29, the cleaning frame 27 is finally controlled to move under the guiding of the guard rail 26, so that dust impurities on all model props 23 on the grid clamping groove plate 22 are cleaned, a certain prop models are required to be connected with a power supply, therefore, electric elements in the prop models are electrified through the metal slots 30, and whether the metal slots 30 are electrified or not is finally controlled through the power plugs 31.

Referring to fig. 2, the horizontal moving table 10 includes a table body 101, a disc-shaped groove 102 is formed at the upper end of the table body 101, a limiting annular groove 103 is formed in the disc-shaped groove 102, a lubrication column 104 is rotatably connected in the limiting annular groove 103 through a pin shaft, and rolling balls 105 are uniformly and rollably connected on the inner wall of the disc-shaped groove 102; the rotating member 15 is limited by the disc-shaped groove 102, the rotating member 15 is further limited by the limiting annular groove 103, and the friction resistance of the rotating member 15 in the rotating process is reduced by the lubricating column 104 and the rolling beads 105.

With continued reference to fig. 2, the rotating member 15 includes a rotating disc 151, the upper end of the bevel gear two 14 is fixedly provided with the rotating disc 151, the limiting annular groove 103 is rotationally connected with an annular limiting member 152, and the annular limiting member 152 is fixedly connected with the rotating disc 151; the disc-shaped groove 102 is matched with the rotating disc 151 to limit the rotating disc 151, and the limiting annular groove 103 is matched with the limiting annular piece 152 to limit the limiting annular piece 152.

With continued reference to fig. 2, the auxiliary observation frame 19 includes a transparent four-leg bracket 191, a transparent four-leg bracket 191 is fixedly mounted at the upper end of the support upright 18, an illuminating lamp 192 is uniformly and fixedly mounted at the lower end surface of the transparent four-leg bracket 191, a camera 193 is fixedly mounted at the lower end surface of the middle part of the transparent four-leg bracket 191, a display screen 194 is fixedly mounted at one side of the support upright 18 far away from the camera 193, and the display screen 194 is connected with the camera 193 through a net wire; the model prop 23 located in the middle of the grid clamping groove plate 22 is difficult to be completely observed by a visitor, so that the visitor is assisted in observing the model prop 23 with insufficient brightness through the illuminating lamp 192.

Referring to fig. 2 and 3, the grid slot plate 22 includes a plate body 221, a plate body 221 is fixedly mounted at the upper end of the insulating thin plate 21, cylindrical slots 222 are uniformly formed at the upper end of the plate body 221, bulbs 223 are uniformly and fixedly mounted inside the model prop 23, adjacent bulbs 223 are connected in series through wires 224, a switch plug-in unit 225 is fixedly mounted at the lower end of the middle part of the model prop 23, and two ends of the switch plug-in unit 225 are respectively and electrically connected with two ends of the wires 224 connected in series; the rubber member 223 in the cylindrical clamping groove 222 is tightly attached to the clamping member 24, and is connected with the metal slot 30 through the switch plug 225, so that the bulb 223 in the model prop 23 is electrified.

Referring to fig. 6, the guard rail 26 is made of transparent glass, the upper ends of the guard rails 26 on the front side and the rear side are provided with arc-shaped guide rail grooves 261, cylindrical grooves 262 are symmetrically and uniformly formed in the arc-shaped guide rail grooves 261 in the front-rear direction, extrusion springs 263 are fixedly arranged in the cylindrical grooves 262, arc-shaped shells 264 are fixedly arranged at the tail ends of the extrusion springs 263, and lubrication beads 265 are connected in the arc-shaped shells 264 in a rolling manner; the display of the interference model is prevented by the guard rail 26 made of transparent glass, the motion track of the cleaning frame 27 is guided by the arc-shaped guide rail groove 261, the arc-shaped shell 264 and the lubricating beads 265 extend out of the cylindrical groove 262 by utilizing the elastic force of the extrusion spring 263, the inside of the arc-shaped guide rail groove 261 is blocked, impurity particles entering the arc-shaped guide rail groove 261 are prevented, and the movement of the cleaning frame 27 is influenced.

Referring to fig. 2, the cleaning frame 27 includes a moving frame 271, a moving frame 271 is connected between the upper ends of the front and rear symmetrical guard rails 26 in a sliding fit manner, a material guiding circular tube 272 is rotatably connected to the lower end surface of the moving frame 271, a horn 273 is fixedly mounted at the lower end of the material guiding circular tube 272, a collecting tube 274 is fixedly mounted in the middle of the moving frame 271, a branch hose 275 is uniformly and fixedly mounted at the lower end surface of the collecting tube 274, the tail end of the branch hose 275 is fixedly connected with the material guiding circular tube 272, a dust collector 276 is fixedly mounted at the rear end of the moving frame 271, and a collecting box 277 is clamped at the rear end of the moving frame 271; the rotation of the threaded column 28 is controlled through the control knob 29, the movable support 271 is driven to move, the horn 273 is controlled through the dust collector 276 to absorb dust impurities on the inner side of the grid clamping groove plate 22, when the guide round tube 272 contacts the model prop 23, the guide round tube 272 rotates, when the model prop 23 passes through, the guide round tube 272 adsorbs dust on the inner side of the grid clamping groove plate 22 again under the action of gravity, the movable support 271 moves back and forth in the guard rail 26, and the dust impurities are repeatedly adsorbed, so that the dust impurities enter the collecting tube 274 through the guide round tube 272 and finally enter the collecting box 277.

Referring to fig. 4, the control knob 29 includes a guide post 291, a guide groove 292 is provided at the right end of the threaded post 28, the guide post 291 is connected in a sliding fit manner in the guide groove 292, a toothed plate 293 is fixedly mounted at the right end of the guide post 291, a rotation knob 294 is rotatably connected at the right end of the guard rail 26 at the rear side, tooth grooves 295 matched with the toothed plate 293 are uniformly provided at the inner end surface of the rotation knob 294, and a pulling knob 296 is fixedly mounted at the right end of the toothed plate 293; when the threaded column 28 needs to be rotated, the pulling knob 296 is pulled rightward to enable the toothed plate 293 to be matched with the tooth grooves 295, at this time, the rotating knob 294 is rotated to drive the threaded column 28 to rotate, and after the rotation is completed, the pulling knob 296 is pushed leftward to enable the rotating knob 294 to be incapable of controlling the rotation of the toothed plate 293 and the guide column 291.

Referring to fig. 3, a guard 301 is rotatably connected to the upper side of the inner end of the metal slot 30 through a pin, a torsion spring 302 is sleeved on the pin, one end of the torsion spring 302 is fixedly connected with the metal slot 30, the other end of the torsion spring 302 is fixedly connected with the guard 301, and an interference prevention groove 303 is formed in the metal slot 30 and close to one side of the torsion spring 302; when the switch plug 225 is inserted into the metal slot 30, the guard 301 is pressed to contact with the interference preventing groove 303, so as to prevent the switch plug 225 from being inserted into the metal slot 30, and when the switch plug 225 is separated from the metal slot 30, the guard 301 is restored to the initial position under the elastic force of the torsion spring 302, so that the metal slot 30 is blocked, and the metal slot 30 is prevented from entering dust.

During specific operation, firstly, the horizontal moving table 10 is moved to a proper position through the universal wheel 11, the height of the fixed platform 17 is controlled through the electric telescopic rod 16, after the clamping piece 24 on the model prop 23 is clamped with the grid clamping groove plate 22, the electromagnetic plate 20 is electrified, the magnetic attraction piece 25 is attracted with the electromagnetic plate 20, the model prop 23 is positioned, the electromagnetic plate 20 is prevented from being directly contacted with the outside through the insulating thin plate 21, the electric telescopic rod 16 is controlled to stretch and retract as required in the display process, the first bevel gear 13 is driven to rotate through the first motor 12, the purpose of driving the second bevel gear 14 to rotate is achieved, and finally the rotation of the display unit 2 is controlled.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a combined model display device for urban design, includes regulation and control unit (1) and display unit (2), its characterized in that: the upper end face of the regulating and controlling unit (1) is fixedly provided with a display unit (2); wherein:

the regulating and controlling unit (1) comprises a horizontal moving table (10), wherein a universal wheel (11) is uniformly and fixedly arranged on the lower end surface of the horizontal moving table (10), a first motor (12) is fixedly arranged in the middle of the horizontal moving table (10), a first bevel gear (13) is fixedly arranged on an output shaft of the first motor (12) through a coupler, a second bevel gear (14) is rotatably connected to the horizontal moving table (10), the first bevel gear (13) is meshed with the second bevel gear (14), a rotating piece (15) is fixedly arranged at the upper end of the second bevel gear (14), the rotating piece (15) is rotatably connected with the horizontal moving table (10), an electric telescopic rod (16) is uniformly and rotatably connected to the upper end of the rotating piece (15), a fixed platform (17) is fixedly arranged at the upper end surface of the fixed platform (17), supporting columns (18) are fixedly arranged at four corners of the upper end of the fixed platform (17), and auxiliary observation frames (19) are fixedly arranged at the upper ends of the supporting columns (18);

the utility model discloses a display unit (2), including electromagnetic plate (20), fixed platform (17) up end even fixed mounting has electromagnetic plate (20), electromagnetic plate (20) up end fixed mounting has insulating sheet metal (21), net draw-in groove board (22) are fixed to insulating sheet metal (21) upper end, insert model stage property (23) as required in net draw-in groove board (22), even fixed mounting of terminal surface has fastener (24) under model stage property (23), fastener (24) lower extreme fixed mounting has magnetism to inhale piece (25), all fixed platform (17) all around fixed mounting have rail guard (26), be connected with between the rail guard (26) upper end of fore-and-aft symmetry in a sliding fit's mode and clean frame (27), be connected with screw thread post (28) in the middle part rotation of rail guard (26) of rear side, be connected with threaded connection between screw thread post (28) and the frame (27), control knob (29) are fixed to net draw-in groove board (22) upper end even fixed mounting has metal slot (30) as required, be connected with between metal slot (30) and power plug (31).

2. The combined model display device for urban design according to claim 1, wherein: the horizontal moving table (10) comprises a table body (101), a disc-shaped groove (102) is formed in the upper end of the table body (101), a limiting annular groove (103) is formed in the disc-shaped groove (102), a lubricating column (104) is connected in the limiting annular groove (103) through a pin shaft in a rotating mode, and rolling balls (105) are uniformly connected to the inner wall of the disc-shaped groove (102) in a rolling mode.

3. A combined model display device for urban design according to claim 2, characterized in that: the rotating piece (15) comprises a rotating disc (151), the rotating disc (151) is fixedly arranged at the upper end of the bevel gear II (14), the annular limiting piece (152) is rotationally connected with the limiting annular groove (103), and the annular limiting piece (152) is fixedly connected with the rotating disc (151).

4. The combined model display device for urban design according to claim 1, wherein: the auxiliary observation frame (19) comprises a transparent four-foot support (191), the upper end of a supporting column (18) is fixedly provided with the transparent four-foot support (191), the lower end face of the transparent four-foot support (191) is uniformly and fixedly provided with an illuminating lamp (192), the lower end face of the middle part of the transparent four-foot support (191) is fixedly provided with a camera (193), one side of the supporting column (18) far away from the camera (193) is fixedly provided with a display screen (194), and the display screen (194) is connected with the camera (193) through a net wire and a high-definition wire.

5. The combined model display device for urban design according to claim 1, wherein: the grid clamping groove plate (22) comprises a plate body (221), the upper end of the insulating thin plate (21) is fixedly provided with the plate body (221), the upper end of the plate body (221) is uniformly provided with a cylindrical clamping groove (222), bulbs (223) are uniformly and fixedly arranged in the model prop (23), adjacent bulbs (223) are connected in series through wires (224), the lower end of the middle part of the model prop (23) is fixedly provided with a switch plug-in unit (225), and two ends of the switch plug-in unit (225) are respectively electrically connected with two ends of the wires (224) which are connected in series.

6. The combined model display device for urban design according to claim 1, wherein: the rail guard (26) is transparent glass material, arc guide rail grooves (261) are all seted up on rail guard (26) upper ends of both sides around, cylindrical grooves (262) have evenly been seted up to the symmetry around in arc guide rail grooves (261), fixed mounting has extrusion spring (263) in cylindrical grooves (262), extrusion spring (263) terminal fixed mounting has arc casing (264), roll connection has lubricated pearl (265) in arc casing (264).

7. The combined model display device for urban design according to claim 1, wherein: the cleaning frame (27) comprises a movable support (271), wherein the movable support (271) is connected between the upper ends of the guard rails (26) which are symmetrical front and back in a sliding fit mode, a material guiding circular tube (272) is rotationally connected to the lower end face of the movable support (271), a horn barrel (273) is fixedly arranged at the lower end of the material guiding circular tube (272), a collecting tube (274) is fixedly arranged in the middle of the movable support (271), a branch hose (275) is uniformly and fixedly arranged at the lower end face of the collecting tube (274), the tail end of the branch hose (275) is fixedly connected with the material guiding circular tube (272), a dust collector (276) is fixedly arranged at the rear end of the movable support (271), and a collecting box (277) is fixedly connected to the rear end of the movable support (271).

8. The combined model display device for urban design according to claim 1, wherein: the control knob (29) comprises a guide post (291), a guide piece groove (292) is formed in the right end of the threaded post (28), the guide post (291) is connected in the guide piece groove (292) in a sliding fit mode, a toothed plate (293) is fixedly arranged at the right end of the guide post (291), a rotary knob (294) is rotationally connected at the right end of a guard rail (26) at the rear side, tooth grooves (295) matched with the toothed plate (293) are uniformly formed in the inner end surface of the rotary knob (294), and a pulling knob (296) is fixedly arranged at the right end of the toothed plate (293).

9. The combined model display device for urban design according to claim 1, wherein: the protection piece (301) is rotatably connected to the upper side of the inner end of the metal slot (30) through a pin shaft, a torsion spring (302) is sleeved on the pin shaft, one end of the torsion spring (302) is fixedly connected with the metal slot (30), the other end of the torsion spring (302) is fixedly connected with the protection piece (301), and an anti-interference groove (303) is formed in the metal slot (30) and is close to one side of the torsion spring (302).