Automatic measurement display device for urban planning

Abstract

The invention discloses an automatic measurement display device for urban planning, and relates to the technical field of urban planning equipment, the automatic measurement display device comprises a bottom mounting plate, and the upper end of the bottom mounting plate is fixedly connected with an anti-movement mechanism. Through mutual cooperation of a double-shaft motor I, a threaded rod I, a T-shaped plate, a hinge rod group, a fixed plate I and a fixed rod I, when the device is used, a placement display board can be driven to move upwards, so that the unfolding process of the device is realized, and meanwhile, the display height of the device can be adjusted; in the process of driving the placement display board to move upwards, a second worm can be driven to rotate under the action of an L-shaped toothed plate and a second gear, and through rotation of the second worm, an anti-skid plate can be driven to move downwards to the ground under mutual cooperation of a second worm gear, a rotating shaft, a cam, a push plate and a push rod; at the moment, the movement of the device can be limited.

Description

Technical Field

[0001] The present invention relates to an urban planning display device, and particularly to an automatic measurement and display device for urban planning. Background Art

[0002] Urban planning is a comprehensive deployment that studies the future development of cities, the rational layout of cities, and the comprehensive arrangement of various urban construction projects. It is the blueprint for the development of a city within a certain period. During the process of urban planning, display devices are needed to fixedly display urban planning drawings.

[0003] Currently, when using urban planning display devices, there are still some defects and deficiencies. The specific areas that need improvement are as follows:

[0004] 1. The existing urban planning display devices are less flexible during use, inconvenient to adjust and fix appropriately according to the different sizes of urban planning drawings, and most of them are inconvenient to move during use.

[0005] 2. Most of the existing urban planning display devices do not have the function of simply measuring some areas of the displayed urban planning drawings during use, and the functions of the devices are relatively single during use. Summary of the Invention

[0006] The purpose of the present invention is to provide an automatic measurement and display device for urban planning to solve the problems that the existing urban planning display devices are less flexible during use, inconvenient to adjust and fix appropriately according to the different sizes of urban planning drawings, and most of them are inconvenient to move during use as mentioned in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solution: An automatic measurement and display device for urban planning, including a bottom mounting plate. The upper end of the bottom mounting plate is fixedly connected with an anti-movement mechanism. The lower end of the anti-movement mechanism passes through four through holes opened inside the bottom mounting plate and is arranged on the lower side of the bottom mounting plate. The front and rear sides of the anti-movement mechanism are respectively engaged and driven with the front and rear ends of a height adjustment mechanism. The lower end of the height adjustment mechanism is fixedly connected with the bottom mounting plate. The upper end of the height adjustment mechanism is fixedly connected with a placement display board. The upper end of the placement display board is fixedly connected with a flattening and fixing mechanism. A measurement mechanism is arranged at the rear side of the flattening and fixing mechanism. The left and right ends of the flattening and fixing mechanism are respectively engaged and driven with two worm gears 1.

[0008] As a preferred technical solution of the present invention, the rear ends of both of the two worm gears 1 are fixedly connected with a gear 1. The two gears 1 are respectively engaged and driven with two toothed plates. The lower ends of the two toothed plates are fixedly connected with the bottom mounting plate.

[0009] As a preferred technical solution of the present invention, L-shaped plates are movably connected to both of the two worm gears. The front ends of the two L-shaped plates are fixedly connected to the placement display board, and moving wheels are arranged at the four corners of the bottom surface of the bottom mounting plate.

[0010] As a preferred technical solution of the present invention, the height adjusting mechanism includes two hinge rod groups. Both the upper and lower ends of the two hinge rod groups are movably connected to two concave rods. The relatively far ends of the four concave rods are fixedly connected to T-shaped plates. The four T-shaped plates are respectively movably connected to four fixing rods one through two circular holes opened in their interiors. The four fixing rods one are grouped in pairs, and fixing plates one are fixedly connected to both the left and right ends of each pair. The upper ends of the two upper fixing plates one are fixedly connected to the placement display board.

[0011] As a preferred technical solution of the present invention, the lower ends of the two lower fixing plates one are fixedly connected to the bottom mounting plate. The two lower fixing plates one are respectively fixedly connected to one ends of two threaded rods one through circular holes opened in their interiors. The other ends of the two threaded rods one are respectively fixedly connected to two output shafts provided on a dual-axis motor one. The dual-axis motor one is fixedly connected to the upper end of the bottom mounting plate. The front and rear ends of the two lower T-shaped plates are respectively fixedly connected to two L-shaped toothed plates. The four L-shaped toothed plates are meshed and driven with the anti-movement mechanism.

[0012] As a preferred technical solution of the present invention, the anti-movement mechanism includes four gears two. The four gears two are respectively meshed and driven with the four L-shaped toothed plates. The four gears two are respectively fixedly connected to four worm gears two. The four worm gears two are respectively meshed and driven with four worm wheels two. The four worm wheels two are respectively fixedly connected to one ends of four rotating shafts. The other ends of the four rotating shafts are all fixedly connected to cams.

[0013] As a preferred technical solution of the present invention, push plates are lapped at the lower ends of the four cams. Push rods are fixedly connected to the lower ends of the four push plates. Spring one is sleeved on each of the four push rods. The upper ends of the four spring one are respectively fixedly connected to the four push plates. The lower ends of the four spring one are all fixedly connected to the bottom mounting plate. The lower ends of the four push rods respectively pass through four through holes opened in the interior of the bottom mounting plate and are all fixedly connected to anti-slip plates. Support plates one are movably connected to the four rotating shafts. Support plates two are movably connected to the four worm gears two. The lower ends of the four support plates two and the four support plates one are all fixedly connected to the bottom mounting plate.

[0014] As a preferred technical solution of the present invention, the flattening and fixing mechanism includes two first worm wheels, and the two first worm wheels are respectively in meshing transmission with two first worm shafts. The two first worm wheels are respectively fixedly connected to both ends of a rotating rod. A connecting block is fixedly connected to the rotating rod, and the upper end of the connecting block is fixedly connected to a concave frame. The rear end of the concave frame is fixedly connected to a measuring mechanism. The two opposite sides close to the inside of the concave frame are respectively fixedly connected to both ends of two second fixing rods. The two second fixing rods are movably connected to two L-shaped sliders each having two circular holes inside. Fixing rods three are fixedly connected to the upper ends of the two L-shaped sliders.

[0015] As a preferred technical solution of the present invention, flattening and fixing rollers are movably connected to both of the two fixing rods three. The two L-shaped sliders are respectively in threaded connection with two second threaded rods through threaded holes provided inside them. The relatively close ends of the two second threaded rods are respectively fixedly connected to two output shafts provided on a second double-shaft motor. The relatively far ends of the two second threaded rods are both movably connected to third support plates. The front ends of the two third support plates are fixedly connected to the concave frame. The second double-shaft motor is fixedly connected to the concave frame through a motor base provided at its front end. Two fourth support plates are movably connected to the rotating rod, and the lower ends of the two fourth support plates are fixedly connected to a placement display board.

[0016] As a preferred technical solution of the present invention, the measuring mechanism includes four second fixing plates. The front ends of the four second fixing plates are fixedly connected to the concave frame. The four second fixing plates are grouped in pairs, and their relatively close ends are respectively fixedly connected to the upper and lower ends of two first measuring plates and two fourth fixing rods. Two second springs are sleeved on the two fourth fixing rods. The upper ends of the two second springs are respectively fixedly connected to the upper two second fixing plates, and the lower ends of the two second springs are respectively fixedly connected to two L-shaped sliding sleeves. L-shaped sliding sleeves are movably connected to the two fourth fixing rods. The rear ends of the two L-shaped sliding sleeves are fixedly connected to a second measuring plate. A square frame is sleeved on the second measuring plate. A number of measuring scale lines are provided at the rear ends of the second measuring plate and the first measuring plate. An L-shaped indicating arrow is fixedly connected to the front end of the square frame.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. Through the mutual cooperation among the dual-axis motor 1, the threaded rod 1, the T-shaped plate, the articulated rod group, the fixing plate 1, and the fixing rod 1, the present invention can drive the placement display board to move upward when the device is in use, thereby realizing the unfolding process of the device, and at the same time achieving the adjustment process of the display height of the device. During the process of driving the placement display board to move upward, under the action of the provided L-shaped toothed plate and the gear 2, the worm 2 can be driven to rotate. Through the rotation of the worm 2, under the mutual cooperation among the provided worm gear 2, the rotating shaft, the cam, the push plate, and the push rod, the anti-slip plate can be driven to move downward to the ground. At this time, the movement of the device can be restricted, increasing the stability of the device during the display process, so that the device can not only be conveniently moved but also ensure its stability during use.

[0019] 2. Through the mutual cooperation among the toothed plate, the gear 1, the worm 1, and the worm gear 1, the present invention can drive the rotating rod to rotate during the process of driving the placement display board to move upward. Through the rotation of the rotating rod, under the action of the provided connecting block, the concave frame can be driven to rotate forward by 90 degrees around the rotating rod until it overlaps on the placement display board. At this time, under the action of the provided flattening and fixing roller, the fixing effect on the drawing can be achieved. Then, through the mutual cooperation among the dual-axis motor 2, the threaded rod 2, the fixing rod 2, the L-shaped slider, and the fixing rod 3, the two flattening and fixing rollers are driven to move to both ends of the drawing respectively, thereby not only being able to achieve the fixing effect on drawings of different sizes but also being able to achieve the flattening effect on the displayed drawings. Through the mutual cooperation among the measuring plate 1, the measuring plate 2, the square frame, and the L-shaped indicating arrow, a simple measurement process of the planned area size on the drawing during the display process can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the front view three-dimensional structure schematic diagram of the present invention;

[0021] Figure 2 is the left view three-dimensional structure schematic diagram of the present invention;

[0022] Figure 3 is the left view sectional three-dimensional structure schematic diagram of the measuring mechanism of the present invention;

[0023] Figure 4 is the rear view three-dimensional structure schematic diagram of the flattening and fixing mechanism of the present invention;

[0024] Figure 5 is the front view three-dimensional structure schematic diagram of the height adjustment mechanism of the present invention;

[0025] Figure 6 is the front view three-dimensional structure schematic diagram of the anti-movement mechanism of the present invention.

[0026] In the figure: 1. Bottom mounting plate; 2. Height adjustment mechanism; 21. First fixing plate; 22. T-shaped plate; 23. Concave rod; 24. L-shaped toothed plate; 25. Hinge rod group; 26. First fixing rod; 27. First dual-axis motor; 28. First threaded rod; 3. Anti-movement mechanism; 31. Second gear; 32. Second support plate; 33. Second worm gear; 34. Second worm; 35. First support plate; 36. Push rod; 37. First spring; 38. Rotating shaft; 39. Push plate; 310. Cam; 311. Anti-slip plate; 4. Placing display board; 5. Toothed plate; 6. First worm; 7. Smoothing and fixing mechanism; 71. First worm gear; 72. Fourth support plate; 73. Rotating rod; 74. Third support plate; 75. Second threaded rod; 76. Connecting block; 77. Second fixing rod; 78. L-shaped slider; 79. Second dual-axis motor; 710. Concave frame; 711. Third fixing rod; 712. Smoothing and fixing roller; 8. Measuring mechanism; 81. Square frame; 82. L-shaped indicating arrow; 83. Second measuring plate; 84. Second fixing plate; 85. L-shaped sliding sleeve; 86. Fourth fixing rod; 87. First measuring plate; 88. Second spring; 9. L-shaped plate; 10. Moving wheel; 11. First gear. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] As Figures 1-6As shown in the figure, the present invention provides a technical solution: an automatic measurement and display device for urban planning, including a bottom mounting plate 1. The upper end of the bottom mounting plate 1 is fixedly connected with an anti-movement mechanism 3. The lower end of the anti-movement mechanism 3 passes through four through holes opened inside the bottom mounting plate 1 and is arranged on the lower side of the bottom mounting plate 1. The front and rear sides of the anti-movement mechanism 3 are respectively meshed and driven with the front and rear ends of the height adjustment mechanism 2. The lower end of the height adjustment mechanism 2 is fixedly connected with the bottom mounting plate 1, and the upper end of the height adjustment mechanism 2 is fixedly connected with a placement display board 4. By setting the height adjustment mechanism 2, it can drive the placement display board 4 to move upward during the use of the device, thereby being able to adjust the display height of the device, so as to achieve the unfolding process of the device. During the unfolding process of the device, under the action of the set anti-movement mechanism 3, it can limit the movement of the device, thereby increasing the stability during the use of the device. Correspondingly, when the use of the device is over, by driving the placement display board 4 to move downward to reset, at this time the anti-movement mechanism 3 no longer restricts the movement of the device, and the device can be conveniently pushed to move, thus achieving the process of moving and adjusting the position of the device. The upper end of the placement display board 4 is fixedly connected with a flattening and fixing mechanism 7. A measuring mechanism 8 is arranged at the rear side of the flattening and fixing mechanism 7. The left and right ends of the flattening and fixing mechanism 7 are respectively meshed and driven with two worm gears 6. By setting the flattening and fixing mechanism 7, it can achieve the flattening and fixing effect on the urban planning drawings placed on the placement display board 4 during the process of driving the placement display board 4 to move upward, ensuring the stability of the urban planning drawings placed on the placement display board 4. By setting the measuring mechanism 8, it can conveniently measure some areas on the drawings during the display of the urban planning drawings, so as to understand the size of the planned area.

[0029] The rear ends of both worm gears 6 are fixedly connected with a gear 11. The two gears 11 are respectively meshed and driven with two toothed plates 5. The lower ends of the two toothed plates 5 are fixedly connected with the bottom mounting plate 1. An L-shaped plate 9 is movably connected to both worm gears 6. The front ends of the two L-shaped plates 9 are fixedly connected with the placement display board 4. Movable wheels 10 are arranged at the four corners of the bottom surface of the bottom mounting plate 1. During the process of driving the placement display board 4 to move upward, under the action of the set toothed plates 5 and gears 11, it can achieve the effect of driving the two worm gears 6 to rotate. By setting the L-shaped plate 9, it can support the worm gear 6.

[0030] The height adjustment mechanism 2 includes two articulated rod groups 25. Two concave rods 23 are movably connected to the upper and lower ends of the two articulated rod groups 25. T-shaped plates 22 are fixedly connected to the relatively far ends of the four concave rods 23. The four T-shaped plates 22 are respectively movably connected to the four first fixing rods 26 through two circular holes formed in their interiors. The four first fixing rods 26 are grouped in pairs of two, and fixing plates one 21 are fixedly connected to the left and right ends of each pair. The upper ends of the two upper fixing plates one 21 are fixedly connected to the placement display board 4, and the lower ends of the two lower fixing plates one 21 are fixedly connected to the bottom mounting plate 1. The two lower fixing plates one 21 are respectively fixedly connected to one ends of two first threaded rods 28 through circular holes formed in their interiors. The other ends of the two first threaded rods 28 are respectively fixedly connected to two output shafts provided on the first double-shaft motor 27. The first double-shaft motor 27 is fixedly connected to the upper end of the bottom mounting plate 1. Two L-shaped toothed plates 24 are fixedly connected to the front and rear ends of the two lower T-shaped plates 22. The four L-shaped toothed plates 24 are in meshing transmission with the anti-movement mechanism 3. By starting the first double-shaft motor 27 to drive the two first threaded rods 28 to rotate, and then with the mutual cooperation of the T-shaped plates 22, the first fixing rods 26, the fixing plates one 21, the articulated rod groups 25 and the concave rods 23, the placement display board 4 can be driven to move upward, thereby achieving the process of adjusting the display height and simultaneously achieving the unfolding process of the device.

[0031] The anti-movement mechanism 3 includes four second gears 31. The four second gears 31 are respectively meshed and driven with four L-shaped toothed plates 24. The four second gears 31 are respectively fixedly connected with four second worm shafts 34. The four second worm shafts 34 are respectively meshed and driven with four second worm wheels 33. The four second worm wheels 33 are respectively fixedly connected with one end of four rotating shafts 38. The other ends of the four rotating shafts 38 are all fixedly connected with cams 310. The lower ends of the four cams 310 are all lapped with push plates 39. The lower ends of the four push plates 39 are all fixedly connected with push rods 36. Spring one 37 is sleeved on the four push rods 36. The lower ends of the four push rods 36 respectively pass through four through holes opened inside the bottom mounting plate 1 and are all fixedly connected with anti-slip plates 311. Support plate one 35 is movably connected to the four rotating shafts 38. Support plate two 32 is movably connected to the four second worm shafts 34. The lower ends of the four support plates two 32 and the four support plates one 35 are all fixedly connected with the bottom mounting plate 1. During the process of driving the placement display board 4 to move upward, the mutual approach between the two lower T-shaped plates 22 can drive the four second worm shafts 34 to rotate under the action of the provided L-shaped toothed plates 24 and second gears 31. Through the rotation of the four second worm shafts 34, the four rotating shafts 38 can be driven to rotate under the action of the provided second worm wheels 33. Through the rotation of the four rotating shafts 38, the anti-slip plates 311 can be driven to move downward until their lower ends contact the ground under the action of the provided cams 310, push plates 39 and push rods 36, thereby restricting the movement of the device. At this time, the L-shaped toothed plate 24 is no longer meshed with the corresponding second gear 31.

[0032] The flattening and fixing mechanism 7 includes two first worm wheels 71. The two first worm wheels 71 are respectively meshed and driven with two first worms 6. The two first worm wheels 71 are respectively fixedly connected to both ends of a rotating rod 73. A connecting block 76 is fixedly connected to the rotating rod 73. The upper end of the connecting block 76 is fixedly connected to a concave frame 710. The rear end of the concave frame 710 is fixedly connected to a measuring mechanism 8. The two opposite inner sides of the concave frame 710 are respectively fixedly connected to both ends of two second fixing rods 77. The two second fixing rods 77 are movably connected to two L-shaped sliders 78 each having two circular holes inside. The upper ends of the two L-shaped sliders 78 are respectively fixedly connected to two third fixing rods 711. Two flattening and fixing rollers 712 are movably connected to the two third fixing rods 711. The two L-shaped sliders 78 are respectively threadedly connected to two second threaded rods 75 through threaded holes provided inside them. The relatively closer ends of the two second threaded rods 75 are respectively fixedly connected to two output shafts provided on a double-shaft motor 79. The relatively farther ends of the two second threaded rods 75 are both movably connected to a third support plate 74. The front ends of the two third support plates 74 are fixedly connected to the concave frame 710. The double-shaft motor 79 is fixedly connected to the concave frame 710 through a motor base provided at its front end. Two fourth support plates 72 are movably connected to the rotating rod 73. The lower ends of the two fourth support plates 72 are both fixedly connected to a placement display board 4. During the process of driving the placement display board 4 to move upward, under the action of the provided toothed plate 5, first gear 11, first worm 6 and first worm wheel 71, the rotating rod 73 can be driven to rotate. Through the rotation of the rotating rod 73, under the action of the provided connecting block 76, the concave frame 710 can be driven to rotate 90 degrees around the rotating rod 73 until it overlaps on the placement display board 4. At this time, under the action of the provided flattening and fixing rollers 712, the urban planning display drawing placed on the placement display board 4 can be fixed. At the same time, the first gear 11 and the toothed plate 5 are no longer meshed. Then, by starting the double-shaft motor 79 to drive the two second threaded rods 75 to rotate, the two L-shaped sliders 78 can be driven to move away from each other. At this time, under the action of the provided third fixing rods 711, the two flattening and fixing rollers 712 can be driven to move away from each other, so as to achieve the effect of flattening the urban planning drawing until the two flattening and fixing rollers 712 respectively move to both ends of the drawing.

[0033] The measuring mechanism 8 includes four second fixing plates 84. The front ends of the four second fixing plates 84 are fixedly connected to the concave frame 710. The four second fixing plates 84 are grouped in pairs, and their relatively close ends are fixedly connected to the upper and lower ends of two first measuring plates 87 and two fourth fixing rods 86 respectively. Two second springs 88 are sleeved on the two fourth fixing rods 86. Two L-shaped sliding sleeves 85 are movably connected to the two fourth fixing rods 86. The rear ends of the two L-shaped sliding sleeves 85 are fixedly connected to the second measuring plate 83. A square frame 81 is sleeved on the second measuring plate 83. The front end of the square frame 81 is fixedly connected to an L-shaped indicating arrow 82. After the concave frame 710 is lapped on the placement display board 4, the second measuring plate 83 is pulled to move in the front-back direction. Then, with the cooperation of the two first measuring plates 87 and the L-shaped indicating arrow 82 provided, the planned area on the drawing can be simply measured.

[0034] The operation steps of the present invention are as follows:

[0035] When using this device to display urban planning drawings, first place the drawing on the placement display board 4. Then, start the first double-shaft motor 27 to drive the two first threaded rods 28 to rotate. Then, with the mutual cooperation among the T-shaped plate 22, the first fixing rod 26, the first fixing plate 21, the articulated rod group 25, and the concave rod 23, the placement display board 4 can be driven to move upward. During the process of driving the placement display board 4 to move upward, under the action of the L-shaped tooth plate 24, the second gear 31, the second worm 34, the second worm gear 33, the rotating shaft 38, the cam 310, the pushing plate 39, and the push rod 36, the anti-slip plate 311 can be driven to move downward until its lower end contacts the ground. At this time, the movement of the device can be restricted to increase the stability during the use of the device, and the L-shaped tooth plate 24 and the second gear 31 are no longer engaged;

[0036] Meanwhile, during the process of driving the placement display board 4 to move upward, under the action of the provided toothed plate 5, the first gear 11, the first worm 6 and the first worm gear 71, the rotating rod 73 can be driven to rotate. Through the rotation of the rotating rod 73, under the action of the provided connecting block 76, the concave frame 710 can be driven to rotate forward by 90 degrees around the rotating rod 73 until it overlaps on the placement display board 4. Then, under the action of the provided two flattening and fixing rollers 712, the fixing effect on the drawing can be achieved. At this time, the toothed plate 5 and the first gear 11 are no longer meshed. Then, by starting the second dual-axis motor 79 to drive the two second threaded rods 75 to rotate, the two flattening and fixing rollers 712 can be driven to move away from each other until they respectively move to both ends of the drawing. At this time, under the action of the flattening and fixing rollers 712, not only can the fixing of the drawing be realized, but also the flattening effect on the drawing can be achieved. After the placement display board 4 moves to the appropriate position height, the first dual-axis motor 27 can be turned off. Through the mutual cooperation among the provided first measuring plate 87, the second measuring plate 83, the square frame 81 and the L-shaped indicating arrow 82, the area of the planned area on the drawing can be simply measured during the process of displaying the drawing.

[0037] In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0038] In the present invention, unless otherwise clearly specified and limited, for example, it can be fixedly connected, can also be detachably connected, or integrated; it can be mechanically connected, can also be electrically connected; it can be directly connected, or can be indirectly connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly limited, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0039] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic measurement and display device for urban planning, comprising a bottom mounting plate (1), characterized in that: The upper end of the bottom mounting plate (1) is fixedly connected to an anti-movement mechanism (3), the lower end of the anti-movement mechanism (3) passes through four through holes provided inside the bottom mounting plate (1) and is arranged on the lower side of the bottom mounting plate (1), the front and rear sides of the anti-movement mechanism (3) are respectively meshed and transmitted with the front and rear ends of the height adjustment mechanism (2), the lower end of the height adjustment mechanism (2) is fixedly connected to the bottom mounting plate (1), the upper end of the height adjustment mechanism (2) is fixedly connected to a display board (4), the upper end of the display board (4) is fixedly connected to a smoothing and fixing mechanism (7), a measuring mechanism (8) is arranged on the rear side of the smoothing and fixing mechanism (7), and the left and right ends of the smoothing and fixing mechanism (7) are respectively meshed and transmitted with two worm gears (6).

2. The automatic measurement and display device for urban planning according to claim 1, characterized in that: The rear ends of the two worm gears (6) are fixedly connected to a gear (11), the two gears (11) are respectively meshed with two toothed plates (5) for transmission, and the lower ends of the two toothed plates (5) are fixedly connected to the bottom mounting plate (1).

3. The automatic measurement and display device for urban planning according to claim 2, characterized in that: The two worm gears (6) are both movably connected with an L-shaped plate (9), the front ends of the two L-shaped plates (9) are both fixedly connected to the display board (4), and moving wheels (10) are provided at the four corners of the bottom surface of the bottom mounting plate (1).

4. The automatic measurement and display device for urban planning according to claim 1, characterized in that: The height adjustment mechanism (2) comprises two hinged rod groups (25), the upper and lower ends of the two hinged rod groups (25) are movably connected to two concave rods (23), the relatively far ends of the four concave rods (23) are fixedly connected to T-shaped plates (22), the four T-shaped plates (22) are movably connected to four fixed rods (26) through two circular holes opened inside, the four fixed rods (26) are arranged in groups of two, and the left and right ends of the four fixed rods (26) are fixedly connected to fixed plates (21), and the upper ends of the two upper fixed plates (21) are fixedly connected to the display board (4).

5. The automatic measurement and display device for urban planning according to claim 4, characterized in that: The lower ends of the two lower fixing plates (21) are fixedly connected to the bottom mounting plate (1); the two lower fixing plates (21) are fixedly connected to one end of two threaded rods (28) through circular holes provided therein; the other ends of the two threaded rods (28) are fixedly connected to two output shafts provided on a dual-axis motor (27); the dual-axis motor (27) is fixedly connected to the upper end of the bottom mounting plate (1); the front and rear ends of the two lower T-shaped plates (22) are fixedly connected to two L-shaped toothed plates (24); the four L-shaped toothed plates (24) are all meshed with the anti-movement mechanism (3) for transmission.

6. The automatic measurement and display device for urban planning according to claim 5, characterized in that: The anti-movement mechanism (3) comprises four gears (31), the four gears (31) are respectively meshed with four L-shaped toothed plates (24) for transmission, the four gears (31) are respectively fixedly connected with four worms (34), the four worms (34) are respectively meshed with four worm wheels (33) for transmission, the four worm wheels (33) are respectively fixedly connected with one end of four rotating shafts (38), and the other ends of the four rotating shafts (38) are all fixedly connected with cams (310).

7. The automatic measurement and display device for urban planning according to claim 6, characterized in that: The lower ends of the four cams (310) are overlapped with push plates (39), the lower ends of the four push plates (39) are fixedly connected with push rods (36), the four push rods (36) are sleeved with springs (37), the lower ends of the four push rods (36) respectively pass through four through holes opened inside the bottom mounting plate (1) and are fixedly connected to the anti-slip plate (311), the four rotating shafts (38) are movably connected with support plates (35), the four worm gears (34) are movably connected with support plates (32), and the lower ends of the four support plates (32) and the four support plates (35) are fixedly connected to the bottom mounting plate (1).

8. The automatic measurement and display device for urban planning according to claim 1, characterized in that: The smoothing and fixing mechanism (7) comprises two worm gears (71), the two worm gears (71) are respectively meshed with two worm gears (6) for transmission, the two worm gears (71) are respectively fixedly connected to the two ends of a rotating rod (73), a connecting block (76) is fixedly connected to the rotating rod (73), the upper end of the connecting block (76) is fixedly connected to a concave frame (710), the rear end of the concave frame (710) is fixedly connected to a measuring mechanism (8), the relatively close sides inside the concave frame (710) are respectively fixedly connected to the two ends of two fixing rods (77), the two fixing rods (77) are movably connected to two L-shaped sliders (78) each having two circular holes therein, and the upper ends of the two L-shaped sliders (78) are fixedly connected to fixing rods (711).

9. The automatic measurement and display device for urban planning according to claim 8, characterized in that: The two fixed rods three (711) are both movably connected with a smoothing fixed roller (712), the two L-shaped sliders (78) are respectively threadedly connected to the two threaded rods two (75) through threaded holes opened therein, the relatively close ends of the two threaded rods two (75) are respectively fixedly connected to the two output shafts arranged on the double-axis motor two (79), the relatively far ends of the two threaded rods two (75) are both movably connected with a support plate three (74), the front ends of the two support plates three (74) are both fixedly connected to the concave frame (710), the double-axis motor two (79) is fixedly connected to the concave frame (710) through the motor seat arranged at the front end thereof, the rotating rod (73) is movably connected with two support plates four (72), and the lower ends of the two support plates four (72) are both fixedly connected to the display board (4).

10. The automatic measurement and display device for urban planning according to claim 8, characterized in that: The measuring mechanism (8) comprises four fixing plates (84), the front ends of the four fixing plates (84) are fixedly connected to the concave frame (710), the four fixing plates (84) are arranged in pairs, and their relatively close ends are respectively fixedly connected to the two measuring plates (87) and the upper and lower ends of two fixing rods (86), the two fixing rods (86) are sleeved with springs (88), the two fixing rods (86) are movably connected with L-shaped sliding sleeves (85), the rear ends of the two L-shaped sliding sleeves (85) are fixedly connected to the measuring plate (83), the measuring plate (83) is sleeved with a square frame (81), and the front end of the square frame (81) is fixedly connected with an L-shaped indicating arrow (82).

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