CN113030914A - Urban engineering surveying and mapping measuring device for building heritage and using method thereof - Google Patents

Urban engineering surveying and mapping measuring device for building heritage and using method thereof Download PDF

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Publication number
CN113030914A
CN113030914A CN202110209725.1A CN202110209725A CN113030914A CN 113030914 A CN113030914 A CN 113030914A CN 202110209725 A CN202110209725 A CN 202110209725A CN 113030914 A CN113030914 A CN 113030914A
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China
Prior art keywords
range finder
main part
laser range
push rod
main body
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Pending
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CN202110209725.1A
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Chinese (zh)
Inventor
李里
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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Priority to CN202110209725.1A priority Critical patent/CN113030914A/en
Publication of CN113030914A publication Critical patent/CN113030914A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481Constructional features, e.g. arrangements of optical elements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only

Abstract

The invention discloses an urban engineering surveying and mapping measuring device for a building heritage and a using method thereof, relates to the technical field of urban engineering, and aims to solve the problem that a person cannot see clearly in a long distance due to a small display screen of an existing laser range finder. The upper surface of laser range finder main part is provided with the display main part, one side of display main part is provided with button mechanism, and button mechanism and laser range finder main part electric connection, one side of laser range finder main part is provided with external display main part, the lower extreme of laser range finder main part is provided with the bottom plate, the below of bottom plate is provided with the bearing, the lower extreme of bearing is provided with the second support column, and the second support column rotates with the bearing to be connected, the lower extreme of second support column is provided with first support column, the front end of laser range finder main part is provided with first laser emission mechanism, the rear end of laser range finder main part is provided with second laser emission mechanism.

Description

Urban engineering surveying and mapping measuring device for building heritage and using method thereof
Technical Field
The invention relates to the technical field of urban engineering, in particular to an urban engineering surveying and mapping measuring device for building heritage and a using method thereof.
Background
The city planning is to standardize city development construction, study future development of city, reasonable city layout and comprehensive arrangement of city various engineering construction comprehensive deployment, is a blueprint of city development in a certain period, is an important component of city management, is a basis of city construction and management, and is a premise in three stages of city planning, city construction and city operation, the laser range finder is an instrument for realizing distance measurement to a target by utilizing a certain parameter of modulated laser, and is divided into a phase method range finder and a pulse method range finder according to a range finding method, the pulse type laser range finder emits one or a sequence of transient pulse laser beams to the target when working, receives the laser beams reflected by the target by a photoelectric element, a timer measures the time from emitting to receiving of the laser beams, calculates the distance from an observer to the target, the phase method laser range finder detects the distance by utilizing the phase difference generated when detecting the emitted light and the reflected light propagate in space, the laser range finder has light weight, small volume, simple operation, high speed and accuracy, the error is only one fifth to one hundred of that of other optical range finders,
the existing laser range finder has a small display screen, so that people cannot see clearly in a long distance, and therefore the urban engineering surveying and mapping measuring device for the building heritage and the using method thereof are provided.
Disclosure of Invention
The invention aims to provide an urban engineering surveying and mapping measuring device for building heritage and a using method thereof, and aims to solve the problem that the existing laser range finder in the background technology is small in display screen, so that people cannot see clearly in a long distance.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a building urban engineering survey and drawing measuring device for heritage, includes the laser range finder main part, the upper surface of laser range finder main part is provided with the display main part, one side of display main part is provided with button mechanism, and button mechanism and laser range finder main part electric connection, one side of laser range finder main part is provided with external display main part, the lower extreme of laser range finder main part is provided with the bottom plate, the below of bottom plate is provided with the bearing, the lower extreme of bearing is provided with the second support column, and the second support column rotates with the bearing to be connected, the lower extreme of second support column is provided with first support column, the front end of laser range finder main part is provided with first laser emission mechanism, the rear end of laser range finder main part is provided with second laser emission mechanism.
Preferably, one side of external display main part is provided with the turning block, and turning block and external display main part welded connection, the turning block is provided with two, the side surface of laser range finder main part is provided with the turn trough, and turn trough and laser range finder main part structure as an organic whole, the turn trough is provided with two, the inside of turn trough is provided with the axis of rotation, and axis of rotation and turn trough structure as an organic whole, the turning block passes through the axis of rotation and is connected with the turn trough rotation, the rear surface of external display main part is provided with the louvre, and louvre and external display main part structure as an organic whole, the louvre is provided with a plurality of.
Preferably, the second laser emission mechanism and the first laser emission mechanism are electrically connected with the laser range finder main body, the outside of the laser range finder main body is provided with two holding sleeves, and the two holding sleeves are provided.
Preferably, be provided with the recess between laser range finder main part and the display main part, and recess and laser range finder main part structure as an organic whole, the opposite side of display main part is provided with universal spirit level, and universal spirit level and display main part fixed connection, the lower extreme of bottom plate is provided with first push rod post.
Preferably, the lower extreme of first push rod post is provided with first push rod cover, and first push rod post and first push rod cover sliding connection, one side of first push rod post is provided with the second push rod post, the lower extreme of second push rod post is provided with the second push rod cover, and second push rod post and second push rod cover sliding connection, the upper end of first push rod post is provided with first connection piece, be provided with first pivot between first connection piece and the first push rod post, and first push rod post rotates with first connection piece through first pivot and is connected, the upper end of second push rod post is provided with the second connection piece, be provided with the second pivot between second connection piece and the second push rod post, and the second push rod post rotates with the second connection piece through the second pivot and is connected, the inside of first support post is provided with the thread groove.
Preferably, thread groove and first support column structure as an organic whole, the outer wall of second support column is provided with the screw thread, and screw thread and second support column structure as an organic whole, the second support column passes through screw thread and thread groove and first support column threaded connection, the lower surface of first support column is provided with wear-resisting lug, and wear-resisting lug and first support column fixed connection.
Preferably, the upper surface of bottom plate is provided with the magnetite, and magnetite and bottom plate fixed connection, the lower surface of laser range finder main part is provided with the spread groove, and spread groove and laser range finder main part structure as an organic whole, the inside of spread groove is provided with connects the iron plate, and connects iron plate and spread groove welded connection, the bottom plate passes through the magnetite and is connected iron plate magnetism and be connected.
Preferably, one side of spread groove is provided with prevents falling the strip, the both ends of preventing falling the strip all are provided with the fixed strip, the one end of fixed strip is provided with fixed buckle, and the fixed strip passes through fixed buckle and laser range finder main part fixed connection, the surface of preventing falling the strip is provided with the bleeder vent, and the bleeder vent with prevent falling the strip structure as an organic whole.
Preferably, the use method of the urban engineering surveying and mapping measuring device for the building heritage comprises the following steps:
the method comprises the following steps: inserting the bottom plate into the connecting groove, sucking the connecting iron block by using a magnet, rotating the first supporting column, adjusting the distance between the first supporting column and the second supporting column, measuring the space of the domestic urban building heritage block by using the external display main body, and performing specific simulation calculation and analysis on three urban building heritage blocks;
step two: the external display main body is rotated to be horizontal to the laser range finder main body, the internal parameters of the laser range finder main body are adjusted by utilizing the button mechanism, the first laser emission mechanism and the second laser emission mechanism are relied on to emit laser, the laser range finder main body is rotated to carry out distance measurement, the relation between the building heritage block and the city space is discussed, and the possibility of the building heritage and the city space cooperative regeneration is researched by combining the design cases of the building heritage protection and the block regeneration at home and abroad;
step three: when carrying the measurement, take off laser range finder main part, can select the hand to pass and prevent falling the strip, also can hand master the gloves, rely on first laser emission mechanism and second laser emission mechanism transmission laser to carry out distance measurement behind the fixed laser range finder main part, through survey and drawing and investigate, combine software such as GIS to draw the three-dimensional model in the ancient city of longevity spring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the external display main body is arranged on one side of the laser range finder main body, the external display main body is rotationally connected with the rotating shaft through the rotating block, the external display main body is electrically connected with the display main body and the laser range finder main body, and the display content of the display main body can be simultaneously displayed on the external display main body, so that the remote viewing of personnel is facilitated, the personnel do not need to be too close to the display main body, the convenience is improved, and the specific simulation calculation and analysis can be conveniently carried out on three building heritage blocks in a city.
2. By arranging the bearing at the upper end of the second support column, arranging the first push rod sleeve and the second push rod sleeve at the upper end of the bearing, the upper ends of the first push rod sleeve and the second push rod sleeve are respectively provided with a first push rod column and a second push rod column which are respectively connected with the bottom plate through a first connecting sheet and a first rotating shaft and a second connecting sheet and a second rotating shaft in a rotating way, thereby realizing the adjustment of the angle of the bottom plate and the rotation, facilitating the space measurement of the laser range finder main body, improving the convenience, improving the stability and facilitating the plane distance measurement compared with the method of using a rotating shaft to drive the angle adjustment of the laser range finder main body, the relation between the architecture legacy block and the urban space is discussed, and the possibility of the architecture legacy and the urban space cooperative regeneration is researched by combining the design cases of architecture legacy protection and block regeneration at home and abroad.
3. Through set up second laser emission mechanism in laser range finder main part rear end, set up first laser emission mechanism with laser range finder main part front end, carry out two aspects around simultaneously through second laser emission mechanism and first laser emission mechanism and carry out distance measurement, improve measurement of efficiency, be convenient for establish city space model fast.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a second supporting pillar and a bottom plate connection structure according to the present invention;
FIG. 3 is a schematic view of the connection structure of the bottom plate and the bearing of the present invention;
FIG. 4 is a schematic view of a connection structure of a first support column and a second support column according to the present invention;
FIG. 5 is a schematic view of the lower surface structure of the main body of the laser range finder of the present invention;
in the figure: 1. a laser rangefinder body; 2. a display main body; 3. a groove; 4. a universal level; 5. a button mechanism; 6. a glove is held; 7. a first laser emitting mechanism; 8. a second laser emitting mechanism; 9. the display is externally connected with the display main body; 10. a first support column; 11. a second support column; 12. a bearing; 13. a first push rod sleeve; 14. a first push rod post; 15. a base plate; 16. a magnet; 17. a second push rod sleeve; 18. a second push rod post; 19. a first connecting piece; 20. a first rotating shaft; 21. a second connecting sheet; 22. a second rotating shaft; 23. a wear-resistant bump; 24. a thread; 25. a thread groove; 26. connecting grooves; 27. connecting the iron blocks; 28. rotating the groove; 29. rotating the block; 30. a rotating shaft; 31. the strip is prevented from falling; 32. a fixing strip; 33. fixing the buckle; 34. air holes are formed; 35. and (4) heat dissipation holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, an embodiment of the present invention is shown: the utility model provides a building urban engineering survey and drawing measuring device for heritage, includes laser range finder main part 1, its characterized in that: the upper surface of laser range finder main part 1 is provided with display main part 2, one side of display main part 2 is provided with button mechanism 5, and button mechanism 5 and 1 electric connection of laser range finder main part, one side of laser range finder main part 1 is provided with external display main part 9, the lower extreme of laser range finder main part 1 is provided with bottom plate 15, the below of bottom plate 15 is provided with bearing 12, the lower extreme of bearing 12 is provided with second support column 11, and second support column 11 rotates with bearing 12 to be connected, the lower extreme of second support column 11 is provided with first support column 10, the front end of laser range finder main part 1 is provided with first laser emission mechanism 7, the rear end of laser range finder main part 1 is provided with second laser emission mechanism 8.
Further, a rotating block 29 is arranged on one side of the external display main body 9, the rotating block 29 is connected with the external display main body 9 in a welding way, two rotating blocks 29 are arranged, a rotating groove 28 is arranged on the side surface of the laser range finder main body 1, the rotary groove 28 and the laser range finder main body 1 are of an integral structure, two rotary grooves 28 are arranged, a rotary shaft 30 is arranged in the rotary groove 28, the rotating shaft 30 and the rotating groove 28 are integrated, the rotating block 29 is rotatably connected with the rotating groove 28 through the rotating shaft 30, the rear surface of the external display main body 9 is provided with a heat dissipation hole 35, the heat dissipation holes 35 and the external display main body 9 are integrated into a whole, and a plurality of heat dissipation holes 35 are provided to simultaneously display the display contents of the display main body 2 on the external display main body 9, thereby being convenient for personnel to see remotely without being too close to the display main body 2, and improving the convenience.
Further, second laser emission mechanism 8 and first laser emission mechanism 7 and laser range finder main part 1 electric connection, the outside of laser range finder main part 1 is provided with handheld cover 6, and handheld cover 6 is provided with two, the personnel's operation of being convenient for.
Further, be provided with recess 3 between laser range finder main part 1 and the display main part 2, and recess 3 and laser range finder main part 1 structure as an organic whole, the opposite side of display main part 2 is provided with universal spirit level 4, and universal spirit level 4 and display main part 2 fixed connection, and the lower extreme of bottom plate 15 is provided with first push rod post 14, carries out distance measurement in two aspects around going on simultaneously, improves measurement of efficiency, is convenient for establish urban space model fast.
Further, a first push rod sleeve 13 is arranged at the lower end of the first push rod column 14, the first push rod column 14 is connected with the first push rod sleeve 13 in a sliding manner, a second push rod column 18 is arranged at one side of the first push rod column 14, a second push rod sleeve 17 is arranged at the lower end of the second push rod column 18, and the second push rod column 18 is connected with the second push rod sleeve 17 in a sliding way, the upper end of the first push rod column 14 is provided with a first connecting piece 19, a first rotating shaft 20 is arranged between the first connecting piece 19 and the first push rod column 14, the first push rod column 14 is rotatably connected with the first connecting piece 19 through a first rotating shaft 20, the upper end of the second push rod column 18 is provided with a second connecting piece 21, a second rotating shaft 22 is arranged between the second connecting piece 21 and the second push rod column 18, and the second push rod column 18 is rotatably connected with the second connecting piece 21 through the second rotating shaft 22, and the first supporting column 10 is internally provided with a thread groove 25 to realize rotation and angle adjustment.
Further, thread groove 25 and first support column 10 structure as an organic whole, the outer wall of second support column 11 is provided with screw thread 24, and screw thread 24 and second support column 11 structure as an organic whole, and second support column 11 passes through screw thread 24 and thread groove 25 and first support column 10 threaded connection, and the lower surface of first support column 10 is provided with wear-resisting lug 23, and wear-resisting lug 23 and first support column 10 fixed connection realize altitude mixture control, the measurement of being convenient for.
Further, the upper surface of bottom plate 15 is provided with magnetite 16, and magnetite 16 and bottom plate 15 fixed connection, and the lower surface of laser range finder main part 1 is provided with connecting groove 26, and connecting groove 26 and laser range finder main part 1 structure as an organic whole, and the inside of connecting groove 26 is provided with connects iron plate 27, and connects iron plate 27 and connecting groove 26 welded connection, and bottom plate 15 passes through magnetite 16 and is connected iron plate 27 magnetism, is convenient for connect.
Further, one side of connecting groove 26 is provided with prevents falling strip 31, and the both ends of preventing falling strip 31 all are provided with fixed strip 32, and the one end of fixed strip 32 is provided with fixed buckle 33, and fixed strip 32 is through fixed buckle 33 and laser range finder main part 1 fixed connection, and the surface of preventing falling strip 31 is provided with bleeder vent 34, and bleeder vent 34 and prevent falling strip 31 structure as an organic whole, prevent to drop.
Further, a use method of the urban engineering surveying and mapping measuring device for the building heritage comprises the following steps:
the method comprises the following steps: inserting the bottom plate 15 into the connecting groove 26, sucking the connecting iron block 27 by using the magnet 16, rotating the first supporting column 10, adjusting the distance between the first supporting column 10 and the second supporting column 11, measuring the space of the domestic urban building heritage block by using the external display main body 9, and performing specific simulation calculation and analysis on the urban three building heritage blocks;
step two: the external display main body 9 is rotated to be horizontal to the laser range finder main body 1, the internal parameters of the laser range finder main body 1 are adjusted by the button mechanism 5, the laser is emitted by the first laser emitting mechanism 7 and the second laser emitting mechanism 8, the laser range finder main body 1 is rotated to measure the distance, the relation between the building legacy block and the urban space is discussed, and the possibility of the building legacy and the urban space cooperative regeneration is researched by combining the design cases of the building legacy protection and the block regeneration at home and abroad;
step three: when carrying the measurement, taking off laser range finder main part 1, can selecting the hand to pass and prevent falling strip 31, also can hand grasp hold sleeve 6, rely on first laser emission mechanism 7 and the 8 transmission laser of second laser emission mechanism to carry out distance measurement behind the fixed laser range finder main part 1, through survey and drawing and research, combine software such as GIS to draw the three-dimensional model in the ancient city of longevity spring.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a building urban engineering survey and drawing measuring device for heritage, includes laser range finder main part (1), its characterized in that: the upper surface of the laser range finder main body (1) is provided with a display main body (2), one side of the display main body (2) is provided with a button mechanism (5), the button mechanism (5) is electrically connected with the laser range finder main body (1), one side of the laser range finder main body (1) is provided with an external display main body (9), a bottom plate (15) is arranged at the lower end of the laser range finder main body (1), a bearing (12) is arranged below the bottom plate (15), a second supporting column (11) is arranged at the lower end of the bearing (12), the second supporting column (11) is rotationally connected with the bearing (12), the lower end of the second supporting column (11) is provided with a first supporting column (10), the front end of the laser range finder main body (1) is provided with a first laser emitting mechanism (7), the rear end of the laser range finder main body (1) is provided with a second laser emitting mechanism (8).
2. The urban engineering surveying and mapping measuring device for the building heritage according to claim 1, characterized in that: one side of external display main part (9) is provided with turning block (29), and turning block (29) and external display main part (9) welded connection, turning block (29) are provided with two, the side surface of laser range finder main part (1) is provided with turn trough (28), and turn trough (28) and laser range finder main part (1) structure as an organic whole, turn trough (28) are provided with two, the inside of turn trough (28) is provided with axis of rotation (30), and axis of rotation (30) and turn trough (28) structure as an organic whole, turning block (29) are rotated with turn trough (28) through axis of rotation (30) and are connected, the rear surface of external display main part (9) is provided with louvre (35), and louvre (35) and external display main part (9) structure as an organic whole, louvre (35) are provided with a plurality of.
3. The urban engineering surveying and mapping measuring device for the building heritage according to claim 1, characterized in that: second laser emission mechanism (8) and first laser emission mechanism (7) and laser range finder main part (1) electric connection, the outside of laser range finder main part (1) is provided with handheld cover (6), and handheld cover (6) are provided with two.
4. The urban engineering surveying and mapping measuring device for the building heritage according to claim 1, characterized in that: be provided with between laser range finder main part (1) and display main part (2) recess (3), and recess (3) and laser range finder main part (1) structure as an organic whole, the opposite side of display main part (2) is provided with universal spirit level (4), and universal spirit level (4) and display main part (2) fixed connection, the lower extreme of bottom plate (15) is provided with first push rod post (14).
5. The urban engineering surveying and mapping measuring device for the building heritage according to claim 4, wherein: a first push rod sleeve (13) is arranged at the lower end of the first push rod column (14), the first push rod column (14) is in sliding connection with the first push rod sleeve (13), a second push rod column (18) is arranged on one side of the first push rod column (14), a second push rod sleeve (17) is arranged at the lower end of the second push rod column (18), the second push rod column (18) is in sliding connection with the second push rod sleeve (17), a first connecting sheet (19) is arranged at the upper end of the first push rod column (14), a first rotating shaft (20) is arranged between the first connecting sheet (19) and the first push rod column (14), the first push rod column (14) is in rotating connection with the first connecting sheet (19) through the first rotating shaft (20), a second connecting sheet (21) is arranged at the upper end of the second push rod column (18), and a second rotating shaft (22) is arranged between the second connecting sheet (21) and the second push rod column (18), and the second push rod column (18) is rotationally connected with the second connecting piece (21) through a second rotating shaft (22), and a thread groove (25) is arranged in the first supporting column (10).
6. The urban engineering surveying and mapping measuring device for the building heritage according to claim 5, wherein: thread groove (25) and first support column (10) structure as an organic whole, the outer wall of second support column (11) is provided with screw thread (24), and screw thread (24) and second support column (11) structure as an organic whole, second support column (11) are through screw thread (24) and thread groove (25) and first support column (10) threaded connection, the lower surface of first support column (10) is provided with wear-resisting lug (23), and wear-resisting lug (23) and first support column (10) fixed connection.
7. The urban engineering surveying and mapping measuring device for the building heritage according to claim 1, characterized in that: the upper surface of bottom plate (15) is provided with magnetite (16), and magnetite (16) and bottom plate (15) fixed connection, the lower surface of laser range finder main part (1) is provided with spread groove (26), and spread groove (26) and laser range finder main part (1) structure as an organic whole, the inside of spread groove (26) is provided with connects iron plate (27), and connects iron plate (27) and spread groove (26) welded connection, bottom plate (15) are connected through magnetite (16) and connection iron plate (27) magnetism.
8. The urban engineering surveying and mapping measuring device for the building heritage according to claim 7, wherein: one side of spread groove (26) is provided with prevents falling strip (31), the both ends of preventing falling strip (31) all are provided with fixed strip (32), the one end of fixed strip (32) is provided with fixed buckle (33), and fixed strip (32) through fixed buckle (33) and laser range finder main part (1) fixed connection, the surface of preventing falling strip (31) is provided with bleeder vent (34), and bleeder vent (34) with prevent falling strip (31) structure as an organic whole.
9. The use method of the urban engineering surveying and mapping measuring device for the building heritage according to any one of claims 1 to 8, characterized by comprising the following steps:
the method comprises the following steps: inserting a bottom plate (15) into a connecting groove (26), sucking a connecting iron block (27) by using a magnet (16), rotating a first supporting column (10), adjusting the distance between the first supporting column (10) and a second supporting column (11), measuring the space of a domestic urban building heritage block by using an external display main body (9), and carrying out specific simulation calculation and analysis on three urban building heritage blocks;
step two: the external display main body (9) is rotated to keep the external display main body horizontal with the laser range finder main body (1), the internal parameters of the laser range finder main body (1) are adjusted by the button mechanism (5), the laser is emitted by the first laser emitting mechanism (7) and the second laser emitting mechanism (8), the laser range finder main body (1) is rotated to measure the distance, the relation between the architecture legacy block and the city space is discussed, and the possibility of the architecture legacy and the city space cooperative regeneration is researched by combining the design cases of the architecture legacy protection and the block regeneration at home and abroad.
10. Step three: when carrying the measurement, take off laser range finder main part (1), can select the hand to pass and prevent falling strip (31), also can hand grasp hold cover (6), rely on first laser emission mechanism (7) and second laser emission mechanism (8) transmission laser to carry out distance measurement after fixing laser range finder main part (1), through surveying and mapping, combine software such as GIS to draw the three-dimensional model in ancient city of longevity spring.
CN202110209725.1A 2021-02-24 2021-02-24 Urban engineering surveying and mapping measuring device for building heritage and using method thereof Pending CN113030914A (en)

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