CN-122015713-A - Highway high slope surface area mapping device and method

CN122015713ACN 122015713 ACN122015713 ACN 122015713ACN-122015713-A

Abstract

The application discloses a highway high slope surface area mapping device and method, comprising a three-dimensional laser scanner main body, an inner base rotatably arranged at the inner side of the three-dimensional laser scanner main body, and a scanner lens arranged at the front surface of the inner base; the highway high slope surface area mapping device and method based on the three-dimensional laser scanner provided by the application adopt a three-dimensional laser scanning technology to realize millimeter-level precision and all-terrain coverage mapping by virtue of non-contact high-density point cloud acquisition, and compared with the traditional method, the efficiency is improved by 3-5 times, the technical scheme can effectively overcome the difficulties of tension in construction period, less manpower, risk of personnel climbing high slope dangerous rock and the like, and meanwhile, the rotary protective structure is additionally arranged on the three-dimensional laser scanner, so that the lens on the three-dimensional laser scanner can be well wrapped and protected in the construction transfer process, and the lens is prevented from being damaged.

Inventors

WU HONGTAO
TAN HENG
PAN DUZHI
LIU YOUWEI
HE PENG
ZHOU SHI
LI YUNJIE
ZENG XUEWU
CHU XIANGTAO
LIU ZHAOYONG
LV MAOFENG
ZHANG ZHIHUI
YAO YANKUN
HU WEI
HUANG YONG

Assignees

中铁五局集团机械化工程有限责任公司
中铁五局集团有限公司

Dates

Publication Date: 20260512
Application Date: 20251226

Claims (8)

1. A highway high slope surface area mapping device is characterized by comprising The three-dimensional laser scanner comprises a three-dimensional laser scanner body (1), an inner base (2) rotatably arranged on the inner side of the three-dimensional laser scanner body (1), a scanner lens (3) arranged on the front surface of the inner base (2), a base (5) arranged at the bottom of the three-dimensional laser scanner body (1) and a handle (4) fixed at the top of the three-dimensional laser scanner body (1); And the rotary protection structure arranged on the scanner lens (3) comprises a rear seat (61) fixed on the top surface of the scanner lens (3), a cylindrical inner sliding groove (64) arranged in the rear seat (61), a cylindrical inner sliding seat (65) movably arranged in the cylindrical inner sliding groove (64), a cylindrical connecting rod (67) fixed on the front surface of the cylindrical inner sliding seat (65) and the front end of which penetrates through the front surface of the rear seat (61), a rotary seat (62) fixed on the front end surface of the cylindrical connecting rod (67), a protection cover plate (63) fixed on the top surface of the rotary seat (62) and matched with the scanner lens (3), and a first spring (66) sleeved on the rear end surface of the cylindrical connecting rod (67) and positioned inside the cylindrical inner sliding groove (64) and in abutting contact with the cylindrical inner sliding seat (65).
2. A highway high slope surface area mapping apparatus according to claim 1, wherein one end of the first spring (66) is abutted against the inner wall of the cylindrical inner chute (64), and the other end of the first spring (66) is abutted against the front surface of the cylindrical inner slide (65).
3. A highway high slope surface area mapping apparatus according to claim 1, wherein the rear end of the cylindrical inner chute (64) extends all the way to the rear surface of the rear seat (61), and the rear end of the cylindrical inner slide (65) leaks out to the rear surface of the rear seat (61).
4. The highway high slope surface area mapping device according to claim 1, wherein the rear surface of the protective cover plate (63) is fixed with an annular protective washer (631), and the annular protective washer (631) can be embedded into the inner side of the scanner lens (3) when the protective cover plate (63) is subsequently rotated to the front end surface of the scanner lens (3).
5. The highway high slope surface area mapping apparatus according to claim 1, wherein the rotary guard structure further comprises a positioning structure (68), the positioning structure (68) being disposed between the cylindrical inner slide (65) and the cylindrical inner slide (64).
6. The highway high slope surface area mapping device according to claim 5, wherein the positioning structure (68) comprises an inner groove (681) formed in the cylindrical inner sliding seat (65), a second spring (682) and telescopic clamping beads (683) arranged in the inner groove (681), and strip-shaped positioning clamping grooves (684) formed in the inner walls of the two sides of the cylindrical inner sliding groove (64) and corresponding to the telescopic clamping beads (683), the telescopic clamping beads (683) are movably mounted in the inner groove (681) through the second spring (682), and the end parts of the telescopic clamping beads (683) are ejected into one of the strip-shaped positioning clamping grooves (684).
7. The highway high slope surface area mapping device according to claim 6, wherein one end of the second spring (682) is fixed on the inner wall of the inner groove (681), and the other end of the second spring (682) is fixed with the telescopic clamping beads (683).
8. A mapping method using the highway high slope surface area mapping apparatus according to any one of claims 1 to 7, comprising the steps of: Step one, on-site surveying, namely determining a slope range, identifying obstacles and planning a scanning site; Step two, controlling the mesh to set up a station, setting up control points according to planned station measurement at the bottom of the side slope and in stable areas on two sides, and measuring coordinates through a total station or RTK; Step three, designing a scanning scheme, namely planning a scanning path and the number of scanning stations according to a design slope drawing, and ensuring that adjacent stations overlap by more than 30% so as to be in registration; fourthly, erecting and scanning an instrument, fixing the three-dimensional laser scanner main body (1) on a tripod through a base (5), ensuring leveling, connecting a power supply, starting up and preheating for 15min, setting resolution to 0.3mrad, monitoring temperature, humidity and air pressure in real time, scanning for 5-15 min at each station, and moving to the next station after data are stored; Step five, data processing, namely determining a slope boundary, eliminating temporary facility point clouds, automatically classifying the ground, the building, the telegraph pole, the sign and the high vegetation by using software, reserving the exposed surface of the slope, generating a triangular net model by using software, and automatically counting the surface area; And step six, outputting results, namely outputting a three-dimensional surface model, a surface area statistical table and a risk area marking chart, and reporting in an auxiliary mode, namely reporting data quality analysis and reporting and error description documents.

Description

Highway high slope surface area mapping device and method Technical Field The invention belongs to the technical field of slope surface area mapping, and particularly relates to a highway high slope surface area mapping device and method. Background In the field of highway construction and maintenance, the surface area survey of the high side slope is a vital work, the surface area data of the high side slope is accurately obtained, the method has irreplaceable significance for links such as slope stability analysis, treatment scheme design, engineering quantity calculation, follow-up monitoring maintenance and the like, the traditional high side slope surface area survey mainly depends on contact measurement means such as a total station, RTK, tape measurement and the like, the total station can provide more accurate measurement data, but when facing the high side slope with complex topography, manual point-by-point measurement is needed, the measurement efficiency is low, and for some steep and dangerous areas, measurement staff are difficult to reach, the data acquisition is incomplete, the actual situation of the side slope cannot be comprehensively and accurately reflected, the RTK measurement technology improves the measurement efficiency to a certain extent, but the problem of poor adaptability to the complex topography is also existed, the measurement precision can be significantly influenced in the area with serious shielding or poor signals, the tape measurement is limited to simple linear distance measurement, the surface area information is difficult to accurately obtain for the object with complex curved surface shape, in the high side slope, a large amount of manual operation is needed in the measurement process, the high side slope is difficult to obtain, the requirement of high construction precision is difficult to be satisfied, the traditional high-level construction precision is difficult to be easily and the construction data is difficult to be obtained, the requirements are difficult to be more and more easily enlarged, the requirements are difficult to be met, the measurement precision is difficult to be in the construction and has high-down, and has high precision requirements. The three-dimensional laser scanning technology is used as an emerging non-contact measurement technology, is widely applied and developed in the mapping field in recent years, can quickly acquire three-dimensional coordinate information of the surface of an object by emitting laser beams and receiving reflected signals to form high-density point cloud data, has many advantages compared with the traditional contact measurement means, does not need to manually measure point by point, can acquire a large amount of accurate data in a short time, greatly improves the measurement efficiency, can reflect the surface shape and detail characteristics of the object more truly and accurately, has data precision up to millimeter level, and can realize all-terrain coverage measurement without being limited by terrain complexity and can easily acquire data for dangerous areas which are difficult to reach by the traditional method. However, in the construction transfer process of the three-dimensional laser scanner on the current market, the lens of the three-dimensional laser scanner is easily damaged by collision, scraping and the like, and the normal use and the measurement precision of the instrument are affected, so that the development of the high slope surface area mapping device and method which can overcome the defects of the traditional measurement method and have good protection performance has important practical significance. Disclosure of Invention The invention aims to provide a highway high slope surface area mapping device and a highway high slope surface area mapping method, so as to solve the problems in the background technology. In order to achieve the aim, the invention provides the following technical scheme that the highway high slope surface area mapping device comprises The three-dimensional laser scanner comprises a three-dimensional laser scanner body, an inner base rotatably arranged at the inner side of the three-dimensional laser scanner body, a scanner lens arranged on the front surface of the inner base, a base arranged at the bottom of the three-dimensional laser scanner body and a handle fixed at the top of the three-dimensional laser scanner body; The rotary protection structure comprises a rear seat fixed on the top surface of the scanner lens, a cylindrical inner sliding groove formed in the rear seat, a cylindrical inner sliding seat movably arranged in the cylindrical inner sliding groove, a cylindrical connecting rod fixed on the front surface of the cylindrical inner sliding seat and the front end of which penetrates through the front surface of the rear seat, a rotating seat fixed on the front end surface of the cylindrical connecting rod, a protection cover plate fixed on the top s