CN118067093A

CN118067093A - Engineering surveying and mapping fixed-point surveying and mapping method

Info

Publication number: CN118067093A
Application number: CN202410250679.3A
Authority: CN
Inventors: 马凌云; 王学文; 尹凯; 王世超; 徐金华
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-03-05
Filing date: 2024-03-05
Publication date: 2024-05-24

Abstract

The invention discloses an engineering surveying and mapping fixed-point surveying and mapping method, which relates to the technical field of fixed-point surveying and mapping, and comprises the following steps of dividing a surveying and mapping area and preparing before surveying and mapping.

Description

Engineering surveying and mapping fixed-point surveying and mapping method

Technical Field

The invention relates to the technical field of fixed-point mapping, in particular to a fixed-point mapping method for engineering mapping.

Background

The mapping is characterized in that the shape, size, spatial position, attribute and the like of a natural geographic element or an earth surface artificial facility are measured, collected and mapped, the shape, size, spatial position, attribute and the like are based on computer technology, photoelectric technology, network communication technology, spatial science and information science, a global navigation satellite positioning system, remote sensing and geographic information system are used as technical cores, existing characteristic points and boundary lines of the ground are selected, graphs and positions reflecting the current situation of the ground and relevant information thereof are obtained through measurement means, and are used for engineering construction, planning design and administrative management, so that a house mapping system for building engineering and a mapping method thereof can be disclosed in Chinese patent CN202311127584.4, the whole spatial area is divided into a plurality of triangles by adopting the distance and included angle from the position of a fixed point to the position of a corner line, the area of the triangles is calculated rapidly by cosine theorem, the total area is obtained by adding, the rapid mapping and accurate mapping of the area in the house are realized, and the sealing and mapping of the upper cover and lower shell of the device are performed.

At present, in engineering survey and drawing process, need carry out the removal of a small circle to the surveying instrument itself, but tripod in prior art every time when removing the surveying instrument, all need debug, not only make the surveying instrument use comparatively troublesome, still can influence the measurement accuracy of surveying instrument, and if remove the surveying instrument under the condition of not removing the tripod, can lead to the whole focus on the tripod to change because of the weight of surveying instrument for tripod fixed point supporting effect variation, the condition of overturning takes place easily, has reduced the security and the stability of tripod, influences survey and drawing efficiency.

Disclosure of Invention

The invention aims to provide an engineering surveying and mapping fixed-point surveying and mapping method which solves the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: an engineering survey and drawing fixed point surveying and drawing method comprises the following steps:

Dividing a mapping area, firstly determining the mapping area, setting a plurality of sampling points which are distributed randomly in the area, acquiring coordinates of the sampling points, and collecting data of related engineering buildings in a to-be-detected range, such as planning diagrams of the engineering buildings;

The method comprises the steps of preparing a mapping device and a data collecting device before mapping, wherein the mapping device comprises a base and a mapping part, a fixed-point supporting part is arranged at the bottom of the base, a rotating disc is fixedly connected to the surface of the base in a rotating mode, a limiting part for limiting the rotation of the rotating disc is arranged on the base, two sliding grooves I are formed in the surface of the rotating disc, a sliding block is connected in a sliding mode in the sliding grooves I, the sliding block is connected with the sliding grooves I through a locking part, and the mapping part is arranged above the sliding block;

In-situ mapping, moving a mapping device to a mapping area, carrying out in-situ measurement according to the distribution azimuth, distance and elevation conditions of an engineering building, determining the position appearance and size of a ground building, and transmitting the position appearance and size to a mapping data collecting device for topographic mapping;

The surveying and mapping device is adjusted, the turntable is provided with a balancing component connected with the surveying and mapping component, in the surveying and mapping component measuring process, the surveying and mapping instrument itself is required to be moved or rotated in a small range, when the surveying and mapping device rotates, the limiting component can be used for releasing the limiting of the turntable, then the turntable can be rotated, the direction of the surveying and mapping instrument is changed, when the surveying and mapping instrument is required to be moved in a small range, the sliding block is driven by the sliding block to move through the action of the locking component, but the gravity center of the fixed-point supporting component is changed, and at the moment, the gravity center is kept balanced through the action of the balancing component, so that the stability of the surveying and mapping device in use is improved;

And analyzing and displaying the data, analyzing and displaying the measurement result of the mapping device, and generating a measurement report or drawing.

Optionally, the survey and drawing part includes the slide, slide fixed connection is in the upper surface of slider, because the quantity of slider is two, consequently the quantity of slide is two, two the equal fixedly connected with backup pad of upper surface of slide, two install the surveying instrument jointly between the backup pad, two the upper surface of backup pad is fixedly connected with handle jointly.

Optionally, the locking component includes:

The sliding block is provided with a cavity in the sliding block, the inner wall of the cavity is provided with a first through hole for the clamping block to pass through, and the inner wall of the first chute is uniformly provided with a plurality of clamping grooves for the clamping block to extend into;

The sliding plate, the supporting plate and the cavity are internally provided with a driving component for driving the clamping block to move.

Optionally, the driving assembly includes:

The driving plate is provided with an opening for the driving plate to pass through, the driving plate is in sliding connection with the supporting plate through the opening, the lower surface of the driving plate is fixedly connected with a pressing rod, the inner wall of the opening and the surface of the sliding plate are provided with a second through hole for the pressing rod to pass through and be in sliding connection with the pressing rod, the end part of the pressing rod stretches into the cavity and is fixedly connected with a connecting plate, and a second rotating plate is hinged between the connecting plate and the clamping block;

the surface fixedly connected with fixed plate of backup pad, the fixed plate with common fixedly connected with spring one between the drive plate, the surface fixedly connected with handle of drive plate.

Optionally, the balancing component includes the balancing weight, spout two has been seted up on the surface of carousel, the inner wall sliding connection of spout two has the movable plate, balancing weight fixed mounting is in the upper surface of movable plate, the fixed surface of balancing weight is connected with tooth row one, the fixed surface of slide is connected with tooth row two, the fixed surface dead axle rotation of carousel is connected with the gear, the gear with tooth row one with tooth row two all meshes.

Optionally, the location supporting part includes the dead lever, dead lever fixed connection is in the lower surface of base, the even fixedly connected with three fixed block of lower surface of base, the surface hinge of fixed block has the connecting plate, the fixed surface of connecting plate is connected with the sleeve, sliding connection has the bracing piece in the sleeve, the sleeve is provided with positioning bolt, the tip of bracing piece is the toper setting, the bottom fixedly connected with baffle of dead lever, the surface sliding sleeve of dead lever has cup jointed lantern ring one, all articulate jointly between lantern ring one's surface and the sleeve has the revolving plate one, the fixed surface fixedly connected with of dead lever keeps off the ring.

Optionally, the limiting component includes:

The connecting rod comprises two L-shaped plates and connecting rods, wherein the lower surface of the base is provided with grooves for the two L-shaped plates to extend into and be in sliding connection with, the surface of the L-shaped plate is provided with perforations for the connecting rods to pass through and be in sliding connection with, the end parts of the connecting rods are fixedly connected with clamping plates, the surfaces of the clamping plates are provided with rubber pads, the surfaces of the connecting rods are sleeved with springs II, and the two ends of each spring II are fixedly connected with the surfaces of the L-shaped plates and the surfaces of the clamping plates respectively;

The second sleeve ring is in the surface of the fixed rod in a sliding sleeve manner, a threaded rod is connected with the surface fixed shaft of the baffle ring in a rotating manner, a threaded hole which is used for the threaded rod to penetrate through is formed in the surface of the second sleeve ring, and a rotating plate III is hinged between the surface of the second sleeve ring and the surface of the two L-shaped plates.

Optionally, a scale is arranged on the surface of the turntable, and a pointer is fixedly connected to the surface of the sliding plate.

Compared with the prior art, the invention has the following beneficial effects:

1. When the surveying instrument is required to be moved in a small range, the driving plate is pressed to drive the clamping block to be separated from the clamping groove, then the surveying instrument can be moved, after the surveying instrument is moved to a proper position, the driving plate is loosened, the spring drives the clamping block to extend into the other clamping groove, the effect of the surveying instrument in the small range is achieved, the triangular support frame is not required to be moved, debugging is not required again, time is saved, and surveying precision and efficiency are guaranteed.

2. When the sliding plate and the surveying instrument slide along the sliding groove I, the gear is driven to rotate through the gear row II, the gear row I and the balancing weight are driven to move in a translational mode through the gear rotation, and the moving direction of the balancing weight is opposite to that of the sliding plate, so that the pressure born by the surface of the turntable is kept balanced, the stress of each point of the supporting part is kept balanced, the situation that the gravity center inclines to one place, the fixed-point supporting effect is poor and the overturning occurs is avoided, the safety and the stability of the surveying device in use are guaranteed, the continuous fixed-point measuring effect is realized, and the surveying efficiency is improved.

3. When the turntable is required to be rotated to change the mapping direction, the threaded rod is rotated to drive the second lantern ring to move on the surface of the fixed rod, the two rotating plates III are driven to drive the two L-shaped plates and the clamping plates to move away from the turntable, the turntable can be rotated until the clamping plates are separated from the turntable, after the turntable is rotated, the threaded rod is rotated reversely to drive the second lantern ring to reset, and the clamping plates are driven to continuously clamp the turntable with larger force through the reset of the second lantern ring, so that the mapping direction adjustment effect is realized, and the mapping range is enlarged.

Drawings

FIG. 1 is a flow chart of the method of the present invention;

FIG. 2 is an isometric view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2B in accordance with the present invention;

FIG. 5 is a partial cross-sectional view of the overall structure of the present invention;

FIG. 6 is a cross-sectional view of the support plate structure of the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 6 at C in accordance with the present invention;

FIG. 8 is a schematic diagram of a driving plate structure according to the present invention.

In the figure: 1. a base; 101. a groove; 2. a turntable; 201. a first chute; 202. ; 3. a slide plate; 4. a support plate; 401. an opening; 5. a mapping instrument; 6. a handle; 7. balancing weight; 8. a moving plate; 9. a first tooth row; 10. a gear; 11. a second tooth row; 12. a graduated scale; 13. a pointer; 14. a fixed rod; 141. a baffle ring; 15. a first lantern ring; 16. a fixed block; 17. a connecting plate; 18. a sleeve; 19. a rotating plate I; 20. positioning bolts; 21. a driving plate; 22. a first spring; 23. a fixing plate; 24. a handle; 25. a compression bar; 26. a connecting plate; 27. a second rotating plate; 28. a clamping block; 29. a clamping groove; 30. a slide block; 3001. a cavity; 31. a second lantern ring; 32. a threaded rod; 33. rotating plate III; 34. an L-shaped plate; 35. a connecting rod; 36. a clamping plate; 37. and a second spring.

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.

In a first embodiment, referring to fig. 1 to 8, the present embodiment provides a technical solution: an engineering survey and drawing fixed point surveying and drawing method comprises the following steps:

Firstly, determining a mapping area, setting a plurality of sampling points which are distributed randomly in the area, acquiring coordinates of the sampling points, and collecting data of related engineering buildings in a to-be-detected range, such as planning diagrams of the engineering buildings;

Preparing a mapping device and a data collecting device, wherein the mapping device comprises a base 1 and a mapping part, a fixed-point supporting part is arranged at the bottom of the base 1, a turntable 2 is fixedly connected with the surface of the base 1 in a rotating way, a limiting part for limiting the rotation of the turntable 2 is arranged on the base 1, two first sliding grooves 201 are formed in the surface of the turntable 2, a sliding block 30 is connected in the first sliding grooves 201 in a sliding way, the sliding block 30 is connected with the first sliding grooves 201 through a locking part, and the mapping part is arranged above the sliding block 30;

Moving the mapping device to a mapping area, carrying out field measurement according to the distribution azimuth, distance and elevation conditions of the engineering building, determining the position appearance and size of the ground building, and transmitting the position appearance and size to a mapping data collecting device for carrying out topography drawing;

The turntable 2 is provided with the balance component connected with the surveying and mapping component, in the surveying and mapping component measuring process, the surveying and mapping instrument itself needs to be moved or rotated in a small range, when the surveying and mapping instrument rotates, the limitation of the turntable 2 can be released through the limiting component, then the turntable 2 can be rotated, the direction of the surveying and mapping instrument is changed, when the surveying and mapping instrument needs to be moved in a small range, the sliding block 30 drives the surveying and mapping component to move through the action of the locking component, but the gravity center of the fixed point supporting component can be changed, and at the moment, the gravity center is kept balanced through the action of the balance component, so that the stability of the surveying and mapping device in use is improved;

and analyzing and displaying the measurement result of the mapping device, and generating a measurement report or drawing.

More specifically, in the present embodiment: in the process of field surveying and mapping, when the measuring direction of a surveying and mapping part needs to be changed, the limit part is used for releasing the limit of the turntable 2, then the turntable 2 can be rotated, the whole surface structure of the turntable 2 is driven to rotate, the turntable 2 is limited by the limit part after rotating to a proper position, thereby realizing the effect of changing the measuring direction of a surveying and mapping instrument, when the surveying and mapping part needs to be moved in a small range, the locking of the sliding block 30 is released by the locking part, then the sliding block 30 can slide in the sliding groove one 201 again, the surveying and mapping part is driven to slide along the sliding groove one 201 and slide to the proper position to be locked on the sliding block 30 continuously, thereby realizing the effect of rotation and small-range movement of the surveying and mapping part, and avoiding moving a triangular support frame when moving in a small range, thereby saving time and guaranteeing the measuring precision and efficiency of the surveying and mapping part.

When the mapping part slides along the first chute 201, the balancing part is driven to move, and the movement direction of the balancing part is opposite to that of the mapping part, so that the gravity of the balancing part is counteracted with that of the mapping part, and each point of the supporting part is stressed and balanced, so that the gravity center is prevented from inclining to one place, the fixed point supporting effect is prevented from being deteriorated, the overturning situation occurs, the safety and the stability of the supporting part are improved, the continuous fixed point measuring effect is realized, and the mapping accuracy and efficiency are further improved.

Embodiment II, based on the above embodiment:

Referring to fig. 2, the following disclosure is made on a mapping component in the first embodiment, where the mapping component includes two sliding boards 3, the sliding boards 3 are fixedly connected to the upper surfaces of the sliding boards 30, and since the number of the sliding boards 30 is two, the number of the sliding boards 3 is two, the upper surfaces of the two sliding boards 3 are fixedly connected with supporting boards 4, a mapping instrument 5 is commonly installed between the two supporting boards 4, and the upper surfaces of the two supporting boards 4 are commonly fixedly connected with a handle 6.

More specifically, in the present embodiment: the sliding block 30 slides along the first sliding groove 201 to drive the sliding plate 3 to move, the sliding plate 3 moves to drive the supporting plate 4 to slide along the first sliding groove 201, so that the effect of driving the surveying instrument 5 to slide along the first sliding groove 201 is achieved, the surveying instrument 5 can be moved in a small range under the condition that the whole surveying device is not moved, time is saved, and the surveying efficiency is improved.

Further, referring to fig. 3 to 8, the following disclosure is made on the locking component in the first embodiment, where the locking component includes a clamping block 28, a cavity 3001 is formed in the slider 30, a through hole for the clamping block 28 to pass through is formed in an inner wall of the cavity 3001, and a plurality of clamping grooves 29 for the clamping block 28 to extend into are uniformly formed in an inner wall of the chute 201;

a driving component for driving the clamping block 28 to move is arranged in the sliding plate 3, the supporting plate 4 and the cavity 3001.

When the sliding block 30 needs to be moved, the driving component drives the clamping block 28 to move in the cavity 3001, so that the clamping block 28 is separated from the clamping groove 29, the locking of the sliding block 30 can be released, then the sliding block 30 can be moved in the first sliding groove 201, after the sliding block moves to a proper position, the clamping block 28 corresponds to the other clamping groove 29, and then the driving component drives the clamping block 28 to extend into the other clamping groove 29, so that the clamping block 28 is continuously locked, the situation that the surveying instrument 5 is kept in a fixed state after moving is realized, shaking is avoided, and the stability in use is improved.

Still further, referring to fig. 6 to 8, as disclosed below for the driving assembly in the third embodiment, the driving assembly includes a driving plate 21, an opening 401 for the driving plate 21 to pass through is formed on the surface of the supporting plate 4, the driving plate 21 is slidably connected with the supporting plate 4 through the opening 401, a pressing rod 25 is fixedly connected to the lower surface of the driving plate 21, through holes two for the pressing rod 25 to pass through and be slidably connected with the inner wall of the opening 401 and the surface of the sliding plate 3 are formed on the surface of the sliding plate 3, the end portion of the pressing rod 25 extends into the cavity 3001 and is fixedly connected with a connecting plate 26, and a rotating plate two 27 is hinged between the connecting plate 26 and the clamping block 28;

the surface of the supporting plate 4 is fixedly connected with a fixed plate 23, a first spring 22 is fixedly connected between the fixed plate 23 and the driving plate 21, and the surface of the driving plate 21 is fixedly connected with a handle 24.

When the clamping block 28 is required to move, as shown in fig. 6 to 8, the driving plate 21 is driven to move downwards in the direction shown in fig. 6 by pulling the handle 24, the first spring 22 is driven to move downwards by the driving plate 21, the first compression rod 25 is driven to move downwards, and meanwhile, the first spring 22 is compressed, the second spring 27 is driven to move downwards by the compression rod 25, the connecting plate 26 is driven to move downwards, the second rotating plate 27 is driven to rotate, the clamping block 28 is driven to move in the direction far away from the clamping groove 29 by rotating the second rotating plate 27, the sliding block 30 can be moved until the clamping block 28 is separated from the clamping groove 29, after the sliding block 30 moves to a proper position and corresponds to the other clamping groove 29, the handle 24 is released, at the moment, the first spring 22 is not stressed any more, the driving plate 21 and the first compression rod 25 are driven to reset by the elastic restoring force of the first spring 22, so that the connecting plate 26 and the second rotating plate 27 are reset, the clamping block 28 is driven to stretch into the other clamping groove 29, the effect of locking is achieved, the unlocking and locking process of the sliding block 30 is simple in structure, and convenient to use is caused.

Still further, referring to fig. 2 and 3, the following disclosure is made on the balancing component in the first embodiment, where the balancing component includes a balancing weight 7, a second chute 202 is formed on the surface of the turntable 2, the inner wall of the second chute 202 is slidably connected with a moving plate 8, the balancing weight 7 is fixedly mounted on the upper surface of the moving plate 8, a first tooth row 9 is fixedly connected to the surface of the balancing weight 7, a second tooth row 11 is fixedly connected to the surface of the sliding plate 3, a gear 10 is fixedly connected to the surface of the turntable 2 in a rotating manner, and the gear 10 is meshed with both the first tooth row 9 and the second tooth row 11.

When slider 30 and slide 3 slide along spout one 201, drive tooth row two 11 follow the motion, move through tooth row two 11, drive gear 10 and rotate, rotate through gear 10, drive tooth row one 9 and balancing weight 7 translation removal, and balancing weight 7 direction of movement and slide 3's direction of movement are opposite, thereby make the pressure that carousel 2 surface received keep balanced, make each point position atress of supporting part keep balanced, thereby avoid the focus to one slope, lead to the fixed point supporting effect to worsen, the condition of overturning takes place, supporting part's security and stability have been guaranteed, and realized continuous fixed point measuring effect, and high surveying efficiency, in the in-service use, balancing weight 7's weight can be changed according to the specific type of surveying instrument 5, in order to guarantee balanced effect.

Still further, referring to fig. 2 and 5, the following disclosure is made on the positioning and supporting component in the first embodiment, where the positioning and supporting component includes a fixing rod 14, the fixing rod 14 is fixedly connected to the lower surface of the base 1, three fixing blocks 16 are uniformly and fixedly connected to the lower surface of the base 1, a connecting plate 17 is hinged to the surface of the fixing block 16, a sleeve 18 is fixedly connected to the surface of the connecting plate 17, a supporting rod is slidably connected to the sleeve 18, the sleeve 18 is provided with a positioning bolt 20, an end portion of the supporting rod is in a conical arrangement, a baffle is fixedly connected to the bottom of the fixing rod 14, a first collar 15 is slidably sleeved on the surface of the fixing rod 14, a first rotating plate 19 is commonly hinged between the surface of the first collar 15 and the three sleeves 18, and a baffle ring 141 is fixedly connected to the surface of the fixing rod 14.

After the surveying and mapping device moves to an engineering surveying and mapping area, the sleeve 18 is stirred, the sleeve 18 and the connecting plate 17 rotate by taking a hinge point as a center, when the sleeve 18 rotates by taking the hinge point as a center, the first rotating plate 19 is driven to rotate, the first sleeve ring 15 is driven to slide downwards along the surface of the fixed rod 14 by the rotation of the first rotating plate 19, the first sleeve ring 15 slides downwards along the surface of the fixed rod 14 and drives the other two first rotating plates 19 to rotate, so that the other two sleeves 18 synchronously deflect, fixed-point support is carried out on the device by the supporting rods arranged in the sleeve 18, when the ground is uneven, the extending length of a single supporting rod can be adjusted by the positioning bolts 20, the surveying instrument 5 is ensured to be kept in a horizontal state, fixed-point supporting quality is ensured, and the first sleeve ring 15 can also be stirred directly to slide on the surface of the fixed rod 14 in actual use, so that the three sleeves 18 are driven to rotate simultaneously.

Referring to fig. 2, 4 and 5, the following disclosure is made on the limiting component in the first embodiment, where the limiting component includes:

The two L-shaped plates 34 and the connecting rod 35, the lower surface of the base 1 is provided with a groove 101 for the two L-shaped plates 34 to extend into and be connected with in a sliding manner, the surface of the L-shaped plate 34 is provided with a through hole for the connecting rod 35 to pass through and be connected with in a sliding manner, the end part of the connecting rod 35 is fixedly connected with a clamping plate 36, the surface of the clamping plate 36 is provided with a rubber pad, the surface of the connecting rod 35 is sleeved with a spring II 37, and two ends of the spring II 37 are respectively fixedly connected with the surfaces of the L-shaped plate 34 and the clamping plate 36;

The second collar 31, the second collar 31 is slidably sleeved on the surface of the fixed rod 14, the surface fixed shaft of the baffle ring 141 is rotatably connected with the threaded rod 32, the surface of the second collar 31 is provided with a threaded hole for the threaded rod 32 to pass through and be in threaded connection with, and the surface of the second collar 31 and the surface of the two L-shaped plates 34 are both hinged with the third rotating plate 33 together.

When the turntable 2 needs to be rotated, as shown in fig. 5, the second collar 31 is driven to move upwards on the surface of the fixed rod 14 by rotating the threaded rod 32, the second collar 31 is driven to move upwards on the surface of the fixed rod 14, the third two rotating plates 33 are driven to rotate, the third two L-shaped plates 34 are driven to slide along the groove 101 at the same time, the second L-shaped plates 34 move away from the turntable 2, the clamping plates 36 are driven to move away from the turntable 2 by the combined action of the second springs 37 and the connecting rods 35 until the clamping plates 36 are separated from the turntable 2, then the turntable 2 can be rotated, the clamping plates 36 can also be contacted with the turntable 2, the second springs 37 can rotate the turntable 2 when the reaction force is small, a certain resistance is applied, so that a mapping staff can more accurately adjust the rotation degree to ensure the mapping precision, the mapping quality is improved, after the turntable 2 rotates, the threaded rod 32 is reversed again, the second collar 31 is driven to reset, the clamping plates 36 are driven to reset, and the clamping plates 36 are driven to continue to clamp the turntable 2 with larger force, and the subsequent measurement can be carried out.

Embodiment III, based on the above embodiment:

Referring to fig. 2 and 3, the surface of the turntable 2 is provided with a graduated scale 12, the surface of the sliding plate 3 is fixedly connected with a pointer 13, and the position of the sliding plate 3 in the first chute 201 can be measured by arranging the graduated scale 12, so that the movement adjustment position of the surveying instrument 5 is more accurate, and the measuring accuracy of the surveying instrument 5 is effectively improved.

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 engineering surveying and mapping fixed-point surveying and mapping method is characterized by comprising the following steps of:

Step S1: dividing a mapping area, firstly determining the mapping area, setting a plurality of sampling points which are randomly distributed in the area, acquiring coordinates of the sampling points, and collecting data of related engineering buildings in a range to be measured;

Step S2: before mapping, preparing a mapping device and a data collecting device, wherein the mapping device comprises a base (1) and a mapping part, a fixed-point supporting part is arranged at the bottom of the base (1), and a turntable (2) is connected with the surface of the base (1) in a fixed-axis rotation manner;

Step S3: in-situ mapping, moving a mapping device to a mapping area, carrying out in-situ measurement according to the distribution azimuth, distance and elevation conditions of an engineering building, determining the position appearance and size of a ground building, and transmitting the position appearance and size to a mapping data collecting device for topographic mapping;

Step S4: the surveying and mapping device is adjusted, a balance component connected with the surveying and mapping component is arranged on the turntable (2), when the surveying and mapping instrument rotates, the limit of the turntable (2) is released through the limit component, then the turntable (2) is rotated, the direction of the surveying and mapping instrument is changed, when the surveying and mapping instrument needs to be moved, the surveying and mapping component is driven to move through the locking component, and the gravity center is kept balanced through the action of the balance component in the process;

Step S5: and analyzing and displaying the data, analyzing and displaying the measurement result of the mapping device, and generating a measurement report or drawing.

2. The engineering survey site-directed mapping method of claim 1, wherein: the base (1) is provided with a limiting part for limiting the rotation of the rotary table (2), and two first sliding grooves (201) are formed in the surface of the rotary table (2).

3. The engineering survey site-directed mapping method of claim 2, wherein: the sliding block (30) is connected in a sliding manner in the first sliding groove (201), the sliding block (30) is connected with the first sliding groove (201) through a locking component, and the mapping component is arranged above the sliding block (30).

4. The engineering survey site-directed mapping method of claim 3, wherein: the surveying and mapping component comprises sliding plates (3), the sliding plates (3) are fixedly connected to the upper surfaces of the sliding blocks (30), and as the number of the sliding blocks (30) is two, the number of the sliding plates (3) is two, the upper surfaces of the two sliding plates (3) are fixedly connected with supporting plates (4), a surveying and mapping instrument (5) is commonly installed between the two supporting plates (4), and handles (6) are commonly and fixedly connected to the upper surfaces of the two supporting plates (4);

the locking member includes:

the sliding block comprises a clamping block (28), wherein a cavity (3001) is formed in the sliding block (30), a first through hole for the clamping block (28) to penetrate is formed in the inner wall of the cavity (3001), and a plurality of clamping grooves (29) for the clamping block (28) to extend into are uniformly formed in the inner wall of the first sliding groove (201);

A driving component for driving the clamping block (28) to move is arranged in the sliding plate (3), the supporting plate (4) and the cavity (3001) together;

the drive assembly includes:

The driving plate (21), an opening (401) used for the driving plate (21) to pass through is formed in the surface of the supporting plate (4), the driving plate (21) is in sliding connection with the supporting plate (4) through the opening (401), a pressing rod (25) is fixedly connected to the lower surface of the driving plate (21), through holes II used for the pressing rod (25) to pass through and be in sliding connection with the pressing rod are formed in the inner wall of the opening (401) and the surface of the sliding plate (3), the end part of the pressing rod (25) stretches into the cavity (3001) and is fixedly connected with a connecting plate (26), and a rotating plate II (27) is hinged between the connecting plate (26) and the clamping block (28) together;

The surface of the supporting plate (4) is fixedly connected with a fixed plate (23), a first spring (22) is fixedly connected between the fixed plate (23) and the driving plate (21), and a handle (24) is fixedly connected with the surface of the driving plate (21);

The balance component comprises a balancing weight (7), a second sliding chute (202) is formed in the surface of the rotary table (2), a moving plate (8) is connected to the inner wall of the second sliding chute (202) in a sliding mode, the balancing weight (7) is fixedly installed on the upper surface of the moving plate (8), a first tooth row (9) is fixedly connected to the surface of the balancing weight (7), a second tooth row (11) is fixedly connected to the surface of the sliding plate (3), a gear (10) is fixedly connected to the surface of the rotary table (2) in a rotating mode, and the gear (10) is meshed with the first tooth row (9) and the second tooth row (11).

The positioning support component comprises a fixing rod (14), the fixing rod (14) is fixedly connected to the lower surface of the base (1), three fixing blocks (16) are uniformly and fixedly connected to the lower surface of the base (1), a connecting plate (17) is hinged to the surface of each fixing block (16), a sleeve (18) is fixedly connected to the surface of each connecting plate (17), a support rod is connected to the inner side of each sleeve (18) in a sliding mode, the sleeve (18) is provided with a positioning bolt (20), the end portion of each support rod is in a conical shape, a baffle is fixedly connected to the bottom of each fixing rod (14), and a lantern ring I (15) is sleeved on the surface of each fixing rod (14) in a sliding mode.

5. The engineering survey site-directed mapping method of claim 4, wherein: the surface of the first lantern ring (15) and the three sleeves (18) are hinged with a first rotating plate (19) together, and the surface of the fixed rod (14) is fixedly connected with a baffle ring (141).

6. The engineering survey site-directed mapping method of claim 5, wherein: the limiting part comprises a second collar (31), two L-shaped plates (34) and a connecting rod (35), and grooves (101) used for the two L-shaped plates (34) to extend into and be connected with the two L-shaped plates in a sliding mode are formed in the lower surface of the base (1).

7. The engineering survey site-directed mapping method of claim 6, wherein: the surface of L shaped plate (34) is offered and is used for connecting rod (35) pass and with its sliding connection's perforation, the tip fixedly connected with splint (36) of connecting rod (35), splint (36) surface is provided with the rubber pad, the surface cover of connecting rod (35) is equipped with spring two (37), the both ends of spring two (37) respectively with L shaped plate (34) with the fixed surface of splint (36) is connected.

8. The engineering survey site-directed mapping method of claim 7, wherein: the second lantern ring (31) is sleeved on the surface of the fixed rod (14) in a sliding manner, a threaded rod (32) is rotatably connected to the surface fixed shaft of the baffle ring (141), a threaded hole which is used for the threaded rod (32) to penetrate through and be in threaded connection with is formed in the surface of the second lantern ring (31), and a third rotating plate (33) is hinged between the surface of the second lantern ring (31) and the surfaces of the two L-shaped plates (34).

9. The engineering survey site-directed mapping method of claim 4, wherein: the surface of carousel (2) is provided with scale (12), the fixed surface of slide (3) is connected with pointer (13).