Surveying and mapping device for building design planning

Abstract

The invention belongs to the technical field of building surveying and mapping, particularly relates to a surveying and mapping device for building design planning, and aims to solve the problems of tedious operation and single function in the background technology, the following scheme is provided: the surveying and mapping device comprises a U-shaped plate fixed on a building beam, the outer wall of the U-shaped plate is provided with butt clamp assemblies, and the butt clamp assemblies are distributed on two sides of the U-shaped plate; and the outer wall of one side of the U-shaped plate is fixedly connected with a hinged plate. Through the synergistic effect of the U-shaped plate and the butt clamp assembly, self-adaptive clamping of a beam body and combination of the track plate and the lead screw transmission mechanism are achieved, the prism can linearly move in the horizontal direction, accurate displacement control is achieved through strip-shaped scales and pointers on the sliding blocks, meanwhile, a rotating sleeve and annular scales support rotation of the prism, and the clamping precision of the prism is improved. Angle data can be read conveniently through an observation hole, the measurement precision and operation convenience are improved, and the device is allowed to be rapidly switched between a transverse installation mode and a vertical installation mode through a rotary connection structure of a hinge plate and a track plate.

Description

Technical Field

[0001] The present invention relates to the technical field of building surveying and mapping, and particularly to a surveying and mapping device for building design and planning. Background Art

[0002] The surveying and mapping device for building design and planning is the core equipment in the construction industry for on-site measurement, positioning, and data collection. Its function is to provide high-precision spatial data support for building design, construction layout, and quality monitoring. Traditional surveying and mapping devices usually include components such as prisms, total stations, and tripods, and achieve the coordinate measurement of target points through optical or electronic means. During the construction of building beams, columns and other structures, the prism needs to be accurately fixed at a specific position to cooperate with the total station to complete the measurement of angles, distances, and elevations. However, the construction site environment is complex, especially in high-rise buildings, special-shaped structures, or narrow spaces, the installation stability, adjustment flexibility, and adaptability of the surveying and mapping device face severe challenges.

[0003] In the prior art, the fixing methods of prisms mostly rely on simple jigs or general brackets, which have some deficiencies: First, limited by the terrain and the shape of the building structure, traditional jigs are difficult to achieve stable clamping on inclined beam bodies, curved members, or non-standard sections, and are prone to deviation due to external forces or vibrations, affecting the measurement accuracy; Second, the adjustment of the installation height and angle of the prism depends on manual knobs or bolts, which are cumbersome to operate and lack fine scale indicators, making it difficult to meet the high-precision construction requirements; The existing equipment has a single function, unable to take into account horizontal calibration, multi-dimensional adjustment, and rapid positioning, and requires additional tools for assistance, with low efficiency. Although some devices adopt clamping mechanisms, their clamping ranges are limited, and they lack adaptive adjustment functions and cannot adapt to building beams with different cross-sectional sizes. In addition, the existing devices are difficult to level quickly in complex terrains, and the height of the brackets needs to be adjusted repeatedly, which is time-consuming and laborious. Therefore, there is an urgent need for a surveying and mapping device with high stability, multi-dimensional adjustment ability, and environmental adaptability to improve the efficiency of building planning and construction. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a surveying and mapping device for building design and planning, which overcomes the deficiencies of the prior art and effectively solves the problems of cumbersome operation and single function.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions: A surveying and mapping device for building design and planning, including a U-shaped plate for fixing on a building beam, a clamping assembly is arranged on the outer wall of the U-shaped plate, and the clamping assembly is distributed on both sides of the U-shaped plate. One side outer wall of the U-shaped plate is fixedly connected with a hinge plate, and a track plate is rotatably connected to the inner wall of the hinge plate. One end outer wall of the track plate is clamped with a rubber positioning block, and one end of the rubber positioning block away from the track plate is closely attached to the inner wall of the hinge plate; A lead screw is rotatably connected to the inner wall of the track plate, and a plug rod is welded to the outer wall of one end of the lead screw. A handwheel is slidably connected to the outer wall of the plug rod. A slider is screwed onto the outer wall of the lead screw, and a fixed disk is fixedly connected to the top outer wall of the slider. An axis column is rotatably connected to the bottom inner wall of the fixed disk through a bearing, and a rotating sleeve is fixedly connected to the top outer wall of the axis column. A mounting seat is fixedly connected to the top outer wall of the rotating sleeve through screws, and a prism is mounted on the top outer wall of the mounting seat.

[0006] Preferably, the clamping assembly includes a threaded sleeve, a first limiting disk, a threaded rod, and a second limiting disk. Among them, the threaded sleeve is welded to one inner wall of the U-shaped plate, the first limiting disk is screwed onto the inner wall of the threaded sleeve, the threaded rod is screwed onto the other inner wall of the U-shaped plate, the second limiting disk is welded to the outer wall of one end of the threaded rod, and the first limiting disk and the second limiting disk are located on both outer walls of the building beam in close contact.

[0007] Preferably, limiting holes are provided on the outer walls of the handwheel and the plug rod, a shaft pin is fixedly connected to the inner wall of the limiting hole, and the shaft pin penetrates and is installed on the inner walls of the handwheel and the plug rod.

[0008] Preferably, the slider is slidably connected to the inner wall of the track plate, and the rotating sleeve is rotatably connected to the outer wall of the fixed disk.

[0009] Preferably, a strip scale is provided on one outer wall of the track plate, and a pointer is provided on one outer wall of the slider, and the pointer is located above the strip scale.

[0010] Preferably, an annular scale is provided on the top outer wall of the fixed disk around the axis column, and an observation hole is provided on the top outer wall of the rotating sleeve on one side of the mounting seat, and the observation hole is located above the annular scale.

[0011] Preferably, a first magnetic sheet is adhered to the top outer wall of the hinge plate, a second magnetic sheet is adhered to one outer wall of the U-shaped plate, and a horizontal bubble is magnetically adsorbed on the top outer wall of the first magnetic sheet.

[0012] Preferably, a positioning groove is provided at the center of one inner wall of the hinge plate, a rubber positioning block is closely attached to the inner wall of the positioning groove, and an interference fit is provided between the rubber positioning block and the positioning groove.

[0013] Preferably, a card slot is provided at the center of one outer wall of the track plate, and the rubber positioning block is clamped on the inner wall of the card slot.

[0014] The beneficial effects of the present invention are: The surveying and mapping device for architectural design planning of the present invention can be firmly clamped on building beams with different cross-sectional sizes and shapes through the synergistic effect of the U-shaped plate and the clamping assembly. The clamping assembly adopts a combined structure of a threaded sleeve, a first limiting disc, a second limiting disc, and a threaded rod. By screwing the threaded rod to drive the first limiting disc and the second limiting disc on both sides to tighten synchronously, the self-adaptive clamping of the beam body is realized, which not only expands the clamping range but also can maintain stability on inclined or curved beam bodies, avoiding displacement caused by external forces; The surveying and mapping device for architectural design planning of the present invention, the rotational structure cooperation between the track plate and the lead screw enables the prism to linearly move in the horizontal direction, and the precise control of the displacement of the slider is achieved through the strip scale and the pointer on the slider. At the same time, the cooperation between the rotating sleeve and the circular scale supports the 360° rotational positioning of the prism. In addition, the observation hole facilitates the real-time reading of the angle data of the prism, which can improve the measurement accuracy and operation convenience; The surveying and mapping device for architectural design planning of the present invention, the rotational connection structure between the hinge plate and the track plate allows the device to quickly switch between the horizontal and vertical installation modes. The interference fit between the rubber positioning block and the card slot ensures the stable positioning of the track plate, and the adsorption design of the horizontal bubble with the first magnetic sheet and the second magnetic sheet simplifies the leveling process. The user only needs to adjust the angle of the track plate to make the bubble centered to complete the horizontal calibration, greatly shortening the preparation time. Description of the Drawings

[0015] Figure 1 Schematic diagram of the overall structure of a surveying and mapping device for architectural design planning proposed by the present invention when installed horizontally Figure 1 ; Figure 2 Schematic diagram of the overall structure of a surveying and mapping device for architectural design planning proposed by the present invention when installed horizontally Figure 2 ; Figure 3 Schematic diagram of the three-dimensional structure of the overall structure of a surveying and mapping device for architectural design planning proposed by the present invention Figure 1 ; Figure 4 Schematic diagram of the three-dimensional structure of the overall structure of a surveying and mapping device for architectural design planning proposed by the present invention Figure 2 ; Figure 5 Schematic diagram of the overall structure of a surveying and mapping device for architectural design planning proposed by the present invention when installed vertically; Figure 6 Schematic diagram of the structure of the clamping assembly of a surveying and mapping device for architectural design planning proposed by the present invention; Figure 7 Schematic diagram of the connection structure between the hinge plate and the track plate of a surveying and mapping device for architectural design planning proposed by the present invention; Figure 8Schematic diagram of the split structure of the hinge plate and the track plate of a surveying and mapping device for building design and planning proposed by the present invention; Figure 9 Schematic diagram of the slider connection structure of a surveying and mapping device for building design and planning proposed by the present invention; Figure 10 is Figure 9 exploded view of; Figure 11 Schematic diagram of the enlarged structure of part A of a surveying and mapping device for building design and planning proposed by the present invention; Figure 12 Schematic diagram of the handwheel connection structure of a surveying and mapping device for building design and planning proposed by the present invention.

[0016] In the figure: 1, U-shaped plate; 2, clamping assembly; 201, threaded sleeve; 202, first limiting disc; 203, threaded rod; 204, second limiting disc; 3, hinge plate; 4, track plate; 5, rubber positioning block; 6, lead screw; 7, insertion rod; 8, handwheel; 9, pin; 10, slider; 11, fixed disc; 12, central axis column; 13, rotating sleeve; 14, mounting seat; 15, prism; 16, strip scale; 17, pointer; 18, circular scale; 19, observation hole; 20, first magnetic sheet; 21, second magnetic sheet; 22, horizontal bubble; 23, positioning groove; 24, clamping groove. Detailed implementation manners

[0017] 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 of the embodiments.

[0018] Refer to Figures 1 - 12 , Embodiment 1, a surveying and mapping device for building design and planning, including a U-shaped plate 1 for fixing on a building beam. A clamping assembly 2 is arranged on the outer wall of the U-shaped plate 1, and the clamping assembly 2 is distributed on both sides of the U-shaped plate 1. One side outer wall of the U-shaped plate 1 is fixedly connected with a hinge plate 3, and a track plate 4 is rotatably connected to the inner wall of the hinge plate 3. One end outer wall of the track plate 4 is clamped with a rubber positioning block 5, and one end of the rubber positioning block 5 away from the track plate 4 is closely attached to the inner wall of the hinge plate 3. A positioning groove 23 is opened at the center of the inner wall of one side of the hinge plate 3, and the rubber positioning block 5 is closely attached to the inner wall of the positioning groove 23. The rubber positioning block 5 and the positioning groove 23 are in interference fit. A clamping groove 24 is opened at the center of the outer wall of one end of the track plate 4, and the rubber positioning block 5 is clamped in the inner wall of the clamping groove 24.

[0019] The articulated plate 3 is fixedly connected to the U-shaped plate 1, and the track plate 4 is rotatably connected to the articulated plate 3 through a hinge shaft. During installation, the track plate 4 can be unfolded to the horizontal or vertical direction. The rubber positioning block 5 is embedded in the positioning groove 23 of the articulated plate 3 and the clamping groove 24 of the track plate 4. The frictional force generated by the interference fit can fix the angle of the track plate 4, and the track plate 4 remains perpendicular to the U-shaped plate 1. If it is necessary to switch the installation mode (horizontal / vertical), press the rubber positioning block 5 to disengage from the clamping groove 24 to fold the track plate 4.

[0020] In this embodiment, the rotational connection structure between the articulated plate 3 and the track plate 4 allows the device to quickly switch between the horizontal and vertical installation modes. The interference fit between the rubber positioning block 5 and the clamping groove 24 ensures the stable positioning of the track plate 4. Moreover, the adsorption design of the horizontal bubble 22 with the first magnetic piece 20 and the second magnetic piece 21 simplifies the leveling process. The user only needs to adjust the angle of the track plate 4 to make the bubble centered to complete the horizontal calibration, greatly shortening the preparation time.

[0021] Embodiment 2, A surveying and mapping device for architectural design and planning. A lead screw 6 is rotatably connected to the inner wall of the track plate 4. One end of the outer wall of the lead screw 6 is welded with a plug rod 7. A handwheel 8 is slidably connected to the outer wall of the plug rod 7. A slider 10 is screwed onto the outer wall of the lead screw 6. The top outer wall of the slider 10 is fixedly connected with a fixed disk 11. The bottom inner wall of the fixed disk 11 is rotatably connected with a central axis column 12 through a bearing. The top outer wall of the central axis column 12 is fixedly connected with a rotating sleeve 13. The top outer wall of the rotating sleeve 13 is fixedly connected with a mounting seat 14 through screws. A prism 15 is installed on the top outer wall of the mounting seat 14.

[0022] The track plate 4 is rotatably connected to the U-shaped plate 1 through the articulated plate 3. The rubber positioning block 5 is embedded in the positioning groove 23 of the articulated plate 3 and the clamping groove 24 of the track plate 4. The interference fit ensures a gapless connection between the two. A lead screw 6 is provided on the inner wall of the track plate 4. The handwheel 8 is fixedly connected to the plug rod 7 through a shaft pin 9. Rotating the handwheel 8 can drive the lead screw 6 to rotate, driving the slider 10 to linearly move along the track plate 4. The fixed disk 11 on the top of the slider 10 is connected to the central axis column 12 through a bearing. The rotating sleeve 13 can freely rotate around the central axis column 12, and the prism 15 on the mounting seat 14 adjusts its angle accordingly.

[0023] In this embodiment, the rotational structure cooperation between the track plate 4 and the lead screw 6 enables the prism 15 to linearly move in the horizontal direction. The precise control of the displacement of the slider 10 is realized through the bar scale 16 and the pointer 17 on the slider 10. At the same time, the cooperation between the rotating sleeve 13 and the circular scale 18 supports the 360° rotational positioning of the prism 15. In addition, the observation hole 19 facilitates the real-time reading of the angle data of the prism 15, which can improve the measurement accuracy and operation convenience.

[0024] Rotate the handwheel 8, drive the inserting rod 7 to rotate through the shaft pin 9, and then drive the lead screw 6 to rotate. The slider 10 is in threaded cooperation with the lead screw 6 and linearly moves along the inner wall of the track plate 4. The pointer 17 on the side of the slider 10 cooperates with the strip scale 16 on the track plate 4, and the displacement can be accurately read (the accuracy reaches ±1 mm). For example, when the prism 15 needs to be moved to a position 300 mm away from the origin, rotate the handwheel 8 until the pointer 17 aligns with the scale "300".

[0025] In Embodiment 3, the clamping assembly 2 includes a threaded sleeve 201, a first limiting disk 202, a threaded rod 203, and a second limiting disk 204. Among them, the threaded sleeve 201 is welded to the inner wall of one side of the U-shaped plate 1, the first limiting disk 202 is screwed to the inner wall of the threaded sleeve 201, the threaded rod 203 is screwed to the inner wall of the other end of the U-shaped plate 1, and the second limiting disk 204 is welded to the outer wall of one end of the threaded rod 203, and the first limiting disk 202 and the second limiting disk 204 are located on both sides of the outer wall of the building beam in close contact.

[0026] Align the opening of the U-shaped plate 1 with the position to be measured on the building beam, manually rotate the threaded rod 203, drive the second limiting disk 204 to move towards one side of the building beam, and at the same time, the first limiting disk 202 in the threaded sleeve 201 moves synchronously in the opposite direction, forming a bidirectional clamping force. By adjusting the screwing depth of the threaded rod 203, beams with different cross-sectional sizes can be adapted, and the first limiting disk 202 and the second limiting disk 204 can be prevented from slipping off.

[0027] In this embodiment, through the synergistic effect of the U-shaped plate 1 and the clamping assembly 2, the device can be firmly clamped on building beams with different cross-sectional sizes and shapes. The clamping assembly 2 adopts a combined structure of a threaded sleeve 201, a first limiting disk 202, a second limiting disk 204, and a threaded rod 203. By screwing the threaded rod 203, the first limiting disk 202 and the second limiting disk 204 on both sides are driven to tighten synchronously, realizing self-adaptive clamping of the beam body, not only expanding the clamping range, but also maintaining stability on inclined or curved beam bodies, and avoiding displacement caused by external forces.

[0028] Limit holes are provided on the outer walls of the handwheel 8 and the inserting rod 7, and a shaft pin 9 is fixedly connected to the inner wall of the limit hole, and the shaft pin 9 is installed through the inner walls of the handwheel 8 and the inserting rod 7.

[0029] The slider 10 is slidably connected to the inner wall of the track plate 4, and the rotating sleeve 13 is rotatably connected to the outer wall of the fixed disk 11.

[0030] On one outer wall of the track slab 4, a strip scale 16 is provided. On one outer wall of the slider 10, a pointer 17 is provided, and the pointer 17 is located above the strip scale 16. On the top outer wall of the fixed disk 11, an annular scale 18 is provided around the axis column 12. On the top outer wall of the rotating sleeve 13, an observation hole 19 is opened on one side of the mounting seat 14, and the observation hole 19 is located above the annular scale 18.

[0031] The annular scale 18 on the top of the fixed disk 11 cooperates with the observation hole 19 of the rotating sleeve 13 to realize the angle adjustment of the prism 15. Manually rotate the mounting seat 14, and read the value of the annular scale 18 (with an accuracy of 1°) through the observation hole 19. This design supports multi-angle data acquisition by the total station.

[0032] On the top outer wall of the hinge plate 3, a first magnetic sheet 20 is adhesively bonded. On one outer wall of the U-shaped plate 1, a second magnetic sheet 21 is adhesively bonded, and a level bubble 22 is magnetically adsorbed on the top outer wall of the first magnetic sheet 20.

[0033] The level bubble 22 adsorbed by the first magnetic sheet 20 and the second magnetic sheet 21 is used for quick leveling. Thus, the angle of the track slab 4 is adjusted, and the position of the bubble is observed until it is centered, indicating that the device is in a horizontal state. This design eliminates the cumbersome leveling steps of the traditional tripod and is especially suitable for operations at high altitudes or in narrow spaces.

[0034] For circular or H-shaped steel beams, adaptation can be achieved by replacing the contact surface shape of the first limit disk 202 (such as an arc or groove design). The stroke adjustment range of the threaded rod 203 can be extended to 800 mm, so as to meet the measurement requirements of super-large components. In large building complexes, multiple such devices can be installed on different beams at the same time, and the coordinates of the prism 15 are synchronized to the total station system through a wireless transmission module (optional) to achieve global data linkage and improve the construction layout efficiency. When disassembling, press the rubber positioning block 5 to release the track slab 4. After folding, the level bubble 22 is adsorbed and fixed by the first magnetic sheet 20 and the second magnetic sheet 21, reducing the occupied space. Regularly apply grease to the lead screw 6 and check the elastic aging condition of the rubber parts to extend the service life of the device.

[0035] Working principle: Step 1: Fixing and horizontal calibration of the device: Clamp the U-shaped plate 1 onto the building beam, and tighten the threaded rod 203 of the clamping assembly 2 so that the first limit disk 202 and the second limit disk 204 clamp the beam body. Expand the track slab 4 to the required direction (horizontal or vertical), and lock the angle by using the rubber positioning block 5. Observe the horizontal state of the device through the level bubble 22, and finely adjust the track slab 4 until the bubble is centered to complete the basic positioning.

[0036] Step 2: Linear positioning of the prism 15: Rotate the handwheel 8 to drive the screw rod 6 to rotate, driving the slider 10 and the prism 15 to move along the track plate 4. Through the correspondence between the pointer 17 and the bar scale 16, the horizontal displacement of the prism 15 is accurately controlled. For example, in building construction, when the prism 15 needs to be moved to a specified coordinate point according to the design drawing, the scale value can be directly read at this time to avoid manual measurement errors.

[0037] Step 3: Angle adjustment of the prism 15: Manually rotate the mounting seat 14 to the target angle and read the value of the annular scale 18 through the observation hole 19. At this time, the annular scale 18 can provide an accurate angle reference.

[0038] Step 4: Data acquisition and feedback: The total station emits laser to the prism 15, and calculates the three-dimensional coordinates of the target point through the reflected signal. The high stability of the device ensures continuous and reliable data acquisition. Especially in long-term monitoring projects (such as settlement observation), the number of times of re-setting up the equipment can be reduced.

[0039] Step 5: Environmental adaptability verification: The magnetic horizontal bubble 22 is not easy to fall off, ensuring the persistence of the leveling state.

[0040] Step 6: Quick switching and storage: After the measurement is completed, press the rubber positioning block 5 to release the track plate 4, fold the device to reduce the occupied space, and after folding, the horizontal bubble 22 is adsorbed and fixed by the first magnetic sheet 20 and the second magnetic sheet 21. The entire storage process does not require tools, reducing the time-consuming and greatly improving the on-site operation efficiency.

[0041] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A surveying and mapping device for architectural design and planning, comprising a U-shaped plate (1) for fixing on a building beam, characterized in that: A pair of clamping assemblies (2) are arranged on the outer wall of the U-shaped plate (1), and the pair of clamping assemblies (2) are distributed on both sides of the U-shaped plate (1); a hinge plate (3) is fixedly connected to the outer wall of one side of the U-shaped plate (1), and a track plate (4) is rotatably connected to the inner wall of the hinge plate (3); a rubber positioning block (5) is clamped on the outer wall of one end of the track plate (4), and the end of the rubber positioning block (5) away from the track plate (4) is tightly attached to the inner wall of the hinge plate (3); A screw rod (6) is rotatably connected to the inner wall of the track plate (4), and an insertion rod (7) is welded to the outer wall of one end of the screw rod (6), a hand wheel (8) is slidably connected to the outer wall of the insertion rod (7), a slider (10) is screwed to the outer wall of the screw rod (6), and a fixed plate (11) is fixedly connected to the top outer wall of the slider (10), the bottom inner wall of the fixed plate (11) is rotatably connected to a shaft column (12) via a bearing, and a rotating sleeve (13) is fixedly connected to the top outer wall of the shaft column (12), the top outer wall of the rotating sleeve (13) is fixedly connected to a mounting seat (14) via screws, and a prism (15) is mounted on the top outer wall of the mounting seat (14).

2. A surveying and mapping device for architectural design and planning according to claim 1, characterized in that: The clamping assembly (2) comprises a threaded sleeve (201), a first limiting plate (202), a threaded rod (203) and a second limiting plate (204), wherein the threaded sleeve (201) is welded to an inner wall of one side of the U-shaped plate (1), the first limiting plate (202) is screwed to the inner wall of the threaded sleeve (201), the threaded rod (203) is screwed to the inner wall of the other end of the U-shaped plate (1), the second limiting plate (204) is welded to an outer wall of one end of the threaded rod (203), and the first limiting plate (202) and the second limiting plate (204) are located in close contact with the outer walls of both sides of the building beam.

3. A surveying and mapping device for architectural design and planning according to claim 1, characterized in that: The outer walls of the hand wheel (8) and the insertion rod (7) are both provided with a limit hole, the inner wall of the limit hole is fixedly connected with an axle pin (9), and the axle pin (9) is installed through the inner walls of the hand wheel (8) and the insertion rod (7).

4. A surveying and mapping device for architectural design and planning according to claim 1, characterized in that: The slider (10) is slidably connected to the inner wall of the track plate (4), and the rotating sleeve (13) is rotatably connected to the outer wall of the fixed plate (11).

5. A surveying and mapping device for architectural design and planning according to claim 1, characterized in that: A bar scale (16) is provided on an outer wall of one side of the track plate (4), and a pointer (17) is provided on an outer wall of one side of the slider (10), and the pointer (17) is located above the bar scale (16).

6. A surveying and mapping device for architectural design and planning according to claim 1, characterized in that: An annular scale (18) is provided on the top outer wall of the fixed disk (11) at the periphery of the shaft column (12), and an observation hole (19) is provided on the top outer wall of the rotating sleeve (13) at one side of the mounting seat (14), and the observation hole (19) is located above the annular scale (18).

7. A surveying and mapping device for architectural design and planning according to claim 1, characterized in that: The top outer wall of the hinged plate (3) is bonded with a first magnetic sheet (20), and the outer wall of one side of the U-shaped plate (1) is bonded with a second magnetic sheet (21), and the top outer wall of the first magnetic sheet (20) is magnetically adsorbed with a horizontal bubble (22).

8. A surveying and mapping device for architectural design and planning according to claim 1, characterized in that: A positioning groove (23) is provided at the center of the inner wall of one side of the hinge plate (3), and the rubber positioning block (5) is tightly attached to the inner wall of the positioning groove (23), with an interference fit between the rubber positioning block (5) and the positioning groove (23).

9. A surveying and mapping device for architectural design and planning according to claim 1, characterized in that: A slot (24) is provided at the center of the outer wall of one end of the track plate (4), and the rubber positioning block (5) is snap-connected to the inner wall of the slot (24).

Images