41 results about "Road surveying" patented technology

The invention provides a road surveying and mapping method and a road surveying and mapping system. The method comprises the steps of enabling the original data of all vehicles acquired by location to form a single vehicle track set within a preset time period; carrying out road matching by the single vehicle track set and a spatial index established according to the road segment data of a base road network; carrying out correlation analysis on the single vehicle tracks which are not successfully matched according to the areas to confirm the relevant combinations as well as the fitted curves and the road grades of the relevant combinations; supplementing the road segment data of the base road network by the possibly missing roads confirmed according to the fitted curves and the road grades to form the road surveying and mapping result. The actual driving single vehicle tracks of the vehicles are matched with the existing base road network, the possibly missing rods can be obtained by the correlation analysis mass of single vehicle tracks, and the road segment data of the base road network is supplemented by the possibly missing rods; the method and the system are shorter in surveying and mapping period, controllable in surveying and mapping replacement cycle, high in accuracy of surveying and mapping result and timely in data updating.

The invention discloses a fine digital terrain model based road surveying method, specifically comprising the following steps of: firstly, in the stage of location survey, according to the scale and level of a road surveying and designing item, confirming a source data acquiring mode and a work route, wherein the source data comprise point sets and line set, which are used for building a fine digital terrain model; secondly, cooperatively compiling a road AUTOCAD and the source data to form into a data source; thirdly, building the fine digital terrain model according to the data source; and fourthly, outputting the surveying data which accord with design requirements of specialties in an itemizing way in details. According to the fine digital terrain model, the planning can be quickly carried out, a plurality of schemes can be compared and selected, and each parameter concerned with the survey and design can be quickly queried, so that the huge and complex road surveying and designing work can be greatly simplified; and not only can the road surveying quality be guaranteed, but also the data acquiring work can be furthest simplified, so that the cooperative work of each specialty of the road survey and design can be effectively realized, and the road surveying and designing construction period can be shortened.

The invention discloses a remotely and dynamically surveying system and method for road pre-buried shear stress. The surveying system comprises a shear stress surveying system pre-buried in an asphalt road, and a remote monitoring terminal system used for receiving surveying signals remotely; the shear stress surveying system comprises a signal acquisition unit, a signal analyzing device, a calculation program chip, a battery, a master control chip, a remote communication chip and a strain transducer; the remote monitoring terminal system comprises a master controller, and a remote communication chip, a display module, a printing module and an alarming module which are all connected to the master controller. Therefore, the shear stress surveying system is pre-buried in the asphalt road, data transmission of the shear stress surveying system and the remote monitoring terminal system is achieved through a wireless communication network, shear stress variation is surveyed remotely and in real time, the performance is stable, the cost is low, and great conveniences are brought for road surveying.

The invention relates to an underground environment perspective three-dimensional model establishment method based on a vehicle-mounted three-dimensional ground penetrating radar and a road surveying and mapping technology. Compared with the prior art, the provided method enables a defect that the geological radar can not establish a perspective three-dimensional model for a detection result to be overcome. The method comprises the following steps: step one, carrying out underground environment situation data collection; to be specific, collecting geological conditions information of an underground environment by using a vehicle-mounted three-dimensional ground penetrating radar and establishing a detection abnormity model primarily by using a data extraction technique; step two, carrying out road information collection; to be specific, measuring a coordinate and elevation of road pavement information by means of surveying and measuring and establishing a road pavement model; and step three, establishing a perspective three-dimensional model of a road underground environment detection result and inputting the detection abnormity model into the road pavement model according to coordinate information, thereby forming a perspective three-dimensional model of the underground environment. Therefore, the result of three-dimensional ground penetrating radar detection is converted into the needed three-dimensional model, thereby forming the perspective three-dimensional model of the underground detection result.

The invention discloses a municipal road surveying machine and a using method thereof. The municipal road surveying machine comprises a main machine body, wherein a crack detecting and positioning mechanism is arranged on the lower side of the main machine body. The crack detection positioning mechanism comprises a crack width detector, a detection probe, an electric guide rail, a first electric telescopic rod, a pulley, a ball, a probe, a cross rod, a clamping cylinder, a clamping block, a second spring and a first pressure sensing switch; and the crack width detector is fixedly mounted on the main machine body. When the first pressure sensing switch is triggered, a second electric telescopic rod contracts, so a movable arc-shaped ejector block abuts against the probe; then a linkage rod between the movable arc-shaped ejector block and an inclined spray pipe is extruded to push an inclined spray pipe downwards, so the inclined spray pipe is made to descend; and when the movable arc-shaped ejector block is attached to the inner wall of a fixed arc-shaped ejector block, the inclined spray pipe just moves to the front side and the rear side of the probe and just aligns to a crack, and then the inclined spray pipe injects filler into the crack so as to realize temporary filler remediation.

The invention relates to the technical field of road surveying and mapping, in particular to a device and a method for realizing position calibration based on a binocular vision measurement and high-precision positioning fusion technology, which utilize an RTK high-precision positioning technology to acquire geodetic coordinate position information and binocular parallax in real time to acquire the relative position of a measured object, and in combination with attitude information assistance, the high-precision geodetic coordinate position information of the lane line or the ground marker line is fused and solved in real time, so that high-precision, low-cost and high-efficiency surveying and mapping of the driving school site are realized.

The invention discloses a road surveying and mapping marking vehicle, and belongs to the technical field of road equipment. A road surveying and marking vehicle comprises a vehicle body, a placement cavity is formed in the top face of the vehicle body, a stirring rod is arranged in the placement cavity, a fixing plate is welded to the bottom face of the left side of the vehicle body, two cleaning assemblies are arranged at the lower end of the fixing plate in a front-back symmetrical penetrating mode, and a heating box is welded to the bottom face of the middle of the vehicle body; a pump body is fixedly arranged on the rear wall of the heating box, a lineation pipe is welded to the bottom face of the heating box, a collecting plate is arranged below the lineation pipe, and two pushing handles are welded to the right wall of the upper end of the vehicle body in a bilateral symmetry mode. Therefore, the road surface needing to be marked is cleaned by the bristles, the situation that the marking quality is affected when dust and garbage exist on the road surface is avoided, and the service life of marked lines can be effectively prolonged.

The invention provides an integrated amphibious safety surveying and mapping device, relates to the technical field of surveying and mapping devices, and aims to solve the problems that when an existing surveying and mapping device is used for road surveying, a tripod of the surveying and mapping device needs to be adjusted if a road surface is uneven, and a mapping person needs to squat down manytimes to adjust bolts of support legs and then stand up to observe the horizontal position, so that the operation is complicated, and the labor force is increased. The integrated amphibious safety surveying and mapping device comprises a main body, a surveying and mapping piece, brackets and vertical grooves, wherein an observation mirror is arranged on the side surface of the surveying and mapping piece; the bottom of the surveying and mapping piece is mounted on the top of the main body through a rotating shaft; the top of each bracket is of an arc structure, and the side surface of each bracket is mounted on the side surface of the main body through a rotating shaft; concave grooves are formed in the side surfaces of the vertical grooves; and the vertical grooves are formed in the sidesurfaces of vertical rods. According to the integrated amphibious safety surveying and mapping device, the horizontal position of the surveying and mapping device is adjusted through the brackets, and the main body is pressed under the action of manpower, so that inner rods are capable of moving in the interiors of inner grooves, and the inner ends of drawing plates are inserted into the concavegrooves in the side surfaces of the inner rods.

The invention relates to the technical field of road surveying, and concretely relates to a road traffic planning, designing and surveying device. The device comprises a surveying device body, a bottom supporting seat is arranged on the lower side of the surveying device body, threaded adjusting rods are installed at the corners of the base face of the bottom supporting seat, and a device bearing plate is installed on the upper sides of the threaded adjusting rods; a leveling rotary knob is installed on the outer wall of each threaded adjusting rod and located between the bottom supporting seat and the device bearing plate, a total station body is installed on the base face of the device bearing plate, a bottom bearing support is installed on the lower side of the total station body, and a damping rotating shaft is installed in the middle of the lower side of the front face of the bottom bearing support; and a display screen is installed on the bottom bearing support through a damping rotating shaft, and a horizontal braking spiral is installed on the front face of the bottom bearing support and located on the left side of the display screen. The whole device is simple in structure, convenient to operate, rich in function and high in stability and practicability and has certain popularization value.

The invention discloses a road surveying and mapping marking vehicle and method. The device comprises a marking road and a marking vehicle body running on the road, a telescopic device is arranged onthe marking vehicle, telescopic shafts are arranged on the two sides of the telescopic device, marking supports are installed on the telescopic shafts, adjusting guide rails are arranged in the marking supports, and marking devices are installed in the adjusting guide rails. The bottom of the marking device is right opposite to a marked road, and the marked road needs to be evenly provided with fast routes and compaction lines on the sides. A distance L2 between the fast routes is equal to (L0-L1)/n. The road surveying and mapping marking vehicle and method have the beneficial effects that a mathematical calculation method of a preprocessing stage is set on the marking vehicle, before work is started, related data such as a total width of roads, emergency channels and the number n of the fast routes are input, the distance L2 between the fast routes is calculated through a controller and is equal to (L0-L1)/n, and then a work content of a telescopic device is adjusted; and finally, under the condition that a single vehicle travels independently, the fast routes and the compaction lines on the road are completely covered, and marking is completed.

The invention relates to a road traffic stone laser alignment measuring device, and belongs to the technical field of road measuring equipment. The road traffic stone laser alignment measuring device comprises a laser emitter and a laser receiver, which are respectively located at both ends of a road traffic stone, wherein the road traffic stone laser alignment measuring device further comprises a fixing member for fixing the laser emitter and the laser receiver on the road traffic stone, the fixing member comprises a plate body, one side edge of the plate body is provided with a first fixing plate perpendicular to the plate body, the other side edge of the plate body is provided with a second fixing plate, an abutting plate located between the first fixing plate and the second fixing plate is disposed on the plate body, an abutting member is disposed on the second fixing plate, a connecting plate is disposed on the edge of the second fixing plate away from the plate body toward a direction way from the first fixing plate, the laser emitter or the laser receiver is connected to the connecting plate, by adopting the laser emitter and the laser receiver, the deviation between the distance between the laser and the road traffic stone in use can be avoided, and the measurement result of measuring the straightness of the road traffic stone is improved.

The invention belongs to the field of path planning, and discloses a high-precision road shortest path calculation method based on surveying and mapping information. According to the method, discrete road surveying and mapping information is drawn into a smooth space curved surface through a curve fitting method, and a high-precision shortest path search algorithm under a large-scale smooth curved surface is constructed based on a modified Dijkstra algorithm by utilizing the characteristic of the shortest path of the smooth space curved surface under two-dimensional projection. And the shortest path on the plane is further mapped to the original spatial curved surface to accurately calculate the path length. According to the method, the problem that high-precision shortest path calculation is carried out under the large-scale smooth space curved surface through a traditional path planning algorithm is solved, and the calculation error of the shortest path under the large-scale smooth space curved surface can be controlled within 0.05%.

An attachment system is provided for attaching an external component to a chassis of a vehicle, such as components for performing snow clearance, road measurements, road surface marking assemblies, transport of vehicles or gear, including salvaging work and transport of heavy duty vehicles. The attachment system includes at least an elongated chassis coupler element, a fastening mechanism for fastening the chassis coupler element to the chassis when in a mounted position, a distance element, and a clamping mechanism. The coupler element is shaped to fit inside a hollow space of the distance element, and the clamping mechanism is operable to control an insertion length of the coupler element into the hollow space thereby controlling the clamping of the distance element and the chassis when the attachment device is in a mounted position.

The invention discloses a road surface unevenness measuring device, and relates to the technical field of road measuring equipment. The device comprises an outer frame and an inner frame, the inner frame is in linear guide fit with the outer frame through a plurality of first linear ball guide sleeves; a telescopic driving device for driving the inner frame is mounted on the outer frame; a plurality of support adjusting devices are mounted on the peripheral side of the outer frame; a plurality of telescopic displacement measuring devices are mounted on the inner frame; four wheels are mounted on the outer frame; one end of the outer frame is connected with a tractor through a trailer connecting frame; and a power supply and a signal acquisition display are also mounted on the outer frame. Through the combination of the outer frame, the inner frame, the first linear ball guide sleeve, the telescopic driving device, the support adjusting device, the telescopic displacement measuring device, the wheels and the trailer connecting frame, the whole body is convenient to move and support at a fixed point, and the detection area is large; and calculating the range, variance and standard deviation of the displacement according to the displacement data list of the same group to reflect and evaluate the flatness of the road surface.

The invention provides a road boundary remote measurement recognition algorithm adopting an artificial neural network technology. The algorithm specifically comprises the following steps of S1, acquiring the distance information between a scanning probe and a ground scanning point; S2, defining the longitudinal track of the scanning probe as a y axis, defining the transverse scanning of the groundas an x axis, and defining the height difference between ground scanning points as a z axis; S3, solving a corresponding x point position closest to a boundary according to the change trend of the height difference of adjacent points on the z axis and the position where mutation is generated through the reasoning calculation of adjacent dot matrixes of different x line points of the same point onthe y axis, finding a series of x points along with the change of the y value, and determining the initial value of the road boundary; and S4, performing smooth analysis and correction on the road boundary initial value to obtain an effective road boundary based on x and y coordinates. According to the present invention, the purpose of automatically giving the boundary of road measurement can beachieved, and a scientific basis is provided for determining the flatness and area of a road surface and the calculation range of other parameters.

The invention relates to the technical field of lifting devices, in particular to a cover lifting device for highway surveying and mapping construction. A cover lifting device for road surveying and mapping construction is used for lifting a well cover and comprises a positioning mechanism, a driving mechanism, a connecting mechanism, a position adjusting mechanism and a flexible rope. The positioning mechanism comprises a bottom ring, a first one-way piece, a first spring and a positioning ring. The driving mechanism comprises a magnetic ring, a driving cylinder and a connecting cylinder. The connecting mechanism is used for promoting the connecting cylinder to synchronously rotate along with the driving cylinder after the connecting cylinder is separated from the magnetic ring. The position adjusting mechanism is used for enabling the connecting cylinder and the well lid to be coaxial when the driving cylinder rotates. According to the cover lifting device for road surveying and mapping construction, by arranging the position adjusting mechanism, the axis of the whole driving mechanism can be made to be coaxial with the well lid before the well lid is opened, so that the well lid cannot incline when being opened, the well lid and the edge of the well lid are prevented from being abraded, and personal injuries caused in the well lid opening process can be avoided.

The invention relates to a road surveying instrument supporting device which comprises three supporting plates and a supporting screw rod, the three supporting plates are closed to form an equilateral triangle shape, clamping plates are symmetrically arranged on the inner sides of the supporting plates, a cylinder is movably clamped between the clamping plates, an arc groove is formed in the outer side of the cylinder, and the supporting screw rod is arranged in the arc groove. A major arc groove channel is formed in the cylinder around the arc groove, a nut is installed at the major arc groove channel, the inner ring of the nut is flush with the side wall of the arc groove of the cylinder, and a supporting screw penetrates through the nut. Lifting and hiding of the supporting screw rod are achieved by rotating the nut, meanwhile, the position of the supporting screw rod can be adjusted by means of rotation of the cylinder, and flexibility and convenience are achieved.

When repairing a road, it is possible to easily conduct a survey on the road condition at the time of starting repair. The ortho-image creation method of the present invention includes a coordinate acquisition step to acquire three-dimensional coordinates of a plurality of survey markers 6, a photography step to photograph a plurality of photographed images of the plurality of survey markers 6 by a UAV 3 flying at an altitude of 20 meters or less above the ground in such a manner that each survey marker 6 is included in at least two of the photographed images, and an ortho-image creation step to create an ortho-image on the basis of the three-dimensional coordinates of each feature point acquired by the coordinate acquisition step and the plurality of photographed images photographed by the photography step.