23 results about "Road surveying" patented technology

Described are systems and techniques for road surveying. Information indicative of a sequence of target road sections each comprising one or more road segments can be used to configure a vehicle to perform a road survey by traveling each target road section of the sequence. Data acquisition can be started from onboard sensors of the vehicle based on detecting a first trigger event where a current position of the vehicle is within a configured threshold distance from a first target road section of the sequence. Respective road survey data can be obtained for each road segment in each target road section of the sequence, and can comprise a subset of acquired data obtained from the onboard sensors between a corresponding start and end point automatically determined for the respective road segment based on detecting the occurrence of trigger events corresponding to the current vehicle position and / or heading.

1. The name of the design product: electronic engineering road surveying instrument. 2. The use of the design product: the design product is used for road engineering surveying. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to the technical field of measuring devices, in particular to an integrated measuring device for surveying municipal roads, which comprises a shell component, an operating component is arranged at the position, close to the upper end, of the shell component, a measuring component is rotatably connected to the inner side of the shell component, and the shell component comprises a ruler shell and an inner ring shell. The left side and the right side of the inner ring shell are fixedly connected with permanent magnet blocks, the inner side of each permanent magnet block is provided with a containing groove, the inner side of each containing groove is fixedly connected with two sealing air bag rings, the inner side of each containing groove is provided with a flow dividing hole, and the inner side of the ruler shell is provided with a branch channel and a cylindrical square groove; when the device is used for measuring the gradient of the municipal administration, the tedious adjusting process before measurement of a traditional gradient ruler is simplified, the requirement for multiple times of measurement can be rapidly met, and the convenience of gradient survey at the initial stage of construction is remarkably improved.

This invention discloses a method for transporting tall, long arch ribs on complex mountain roads. The core process includes road surveying and transportation simulation, a proportional arch rib transportation passability test, precise loading and locking of the arch ribs and installation of attitude monitoring devices, transportation along a preset trajectory and point-of-care inspection, and three-level graded acceptance and control. This invention employs a self-righting, low-center-of-gravity counterweight vertical transport scheme, equipped with prefabricated tooling that can adapt to longitudinal slopes and small-radius turns, and features a gravity balance sensor to automatically adjust the arch rib attitude. A dedicated braking system is customized for the transport vehicle. This invention effectively lowers the transportation center of gravity and road traffic requirements, reduces road widening projects, saves costs, protects the environment, solves the problem of transporting tall, long arch ribs on complex mountain roads with steep longitudinal slopes and small-radius turns, improves transportation safety, avoids arch rib deformation and damage, and ensures construction quality.

A multi-action composite anti-stripping performance measuring instrument applicable to multiple scenes belongs to the technical field of road measurement, a closed box is mounted at the bottom of a frame and used for being in contact with a detected road surface to provide a closed environment and a simulation environment, and a knob device is arranged at the upper end of the closed box and used for applying friction force to the detected road surface. The load control device is mounted on the frame through the lifting device, acts on the knob device and applies load to the knob device, and the negative pressure type exfoliated object collecting device is mounted on the frame and is used for collecting exfoliated objects and applying negative pressure to a detected road surface. The device is wide in application scene, can be used for measuring the anti-stripping performance of a rut plate test piece in a laboratory, can also be transported to a designated area on a road in a dragging mode, and can also be connected to a vehicle through a square opening connecting device to move along with the vehicle for multi-point measurement. The controllable horizontal knob stripping effect and the upward suction stripping effect can be sequentially applied to the road surface, and the stripping effect can be more comprehensively applied to the road surface.

The utility model belongs to the field of municipal traffic reconnaissance drilling, and particularly relates to a temporary hole sealing device for municipal road reconnaissance drilling. The device is composed of a top gland, a plugging barrel body, a clamping block, a positioning plate, a screw rod and a conical block. The top gland is a circular steel plate with a center hole and a chamfer, the plugging cylinder body is a cylindrical steel cylinder with a specific through hole and a pin hole, and all the parts are in close fit. By rotating the hexagon nut of the screw and utilizing the synergistic effect of the conical block and the clamping block, the clamping block can be conveniently retracted or stretched out, the device can be effectively fixed or taken out, the operation is efficient, and the hole sealing quality and the road safety can be guaranteed. By means of the device, the traffic safety of the road in the investigation period is remarkably improved, and a reliable scheme is provided for temporary hole sealing of municipal road drilling.

The invention relates to the related technical field of road surveying and mapping, and discloses a geological radar carrying back frame for road surveying and mapping, which comprises a geological detection radar, a foldable driving structure mounted on the geological detection radar, and a back frame structure carried by an operator, through structural innovation and mechanical-electrical integration design, the problems of portability, terrain adaptability and operation comfort of a traditional geological radar are solved, the field operation efficiency and the data acquisition quality are remarkably improved, and the radar is suitable for various complex environments such as road detection and geological exploration.

The utility model relates to the technical field of road measurement, in particular to a road flatness measuring device which comprises a vehicle body and a measuring structure, the measuring structure is arranged at the lower end of the vehicle body and comprises a supporting rod, a measuring assembly and a feedback assembly, the feedback assembly is arranged at the lower end of the vehicle body, and the measuring assembly comprises measuring wheels, a supporting frame and a base plate. The supporting frame is hinged to the supporting rod, the base plate is hinged to the supporting frame, the measuring wheel is rotatably arranged at one end of the supporting frame and supported on the ground, and the base plate abuts against the feedback assembly. According to the utility model, the baffle plate is slidably arranged in the baffle block, when the measuring device operates, the baffle plate can block broken stones and push the broken stones to move together, so that the situation that the measuring wheel is damaged by the broken stones due to the contact between the measuring assembly and the broken stones is prevented.

Described are systems and techniques for road surveying. Information indicative of a sequence of target road sections each comprising one or more road segments can be used to configure a vehicle to perform a road survey by traveling each target road section of the sequence. Data acquisition can be started from onboard sensors of the vehicle based on detecting a first trigger event where a current position of the vehicle is within a configured threshold distance from a first target road section of the sequence. Respective road survey data can be obtained for each road segment in each target road section of the sequence, and can comprise a subset of acquired data obtained from the onboard sensors between a corresponding start and end point automatically determined for the respective road segment based on detecting the occurrence of trigger events corresponding to the current vehicle position and / or heading. Unlocking insights from geodata, the present disclosure further relates to improvements in sustainability and environmental developments: together we create a safe and liveable world.

The utility model discloses a road design measuring and positioning structure which comprises a bottom plate, the two sides of the bottom plate are connected with the ground through two fixing screws, a supporting block is fixedly assembled at the upper end of a screw rod, a control point is fixedly assembled at the upper end of the supporting block, guard plates are arranged in a C shape, the control point is a datum point for road measuring and positioning, and the guard plates are connected with the screw rod. In road design measurement, control points are divided into plane control points and elevation control points, and the plane control points are used for determining the position of a road on the plane, such as the trend of the road, the position of a curve and the like; the elevation control points are used for determining the longitudinal section of the road, namely the slope of the road and the elevation of each point, and in the construction process, due to the activities of mechanical equipment operation, earth excavation, filling and the like on the construction site, the temporary control points can be damaged or lost, so that the control point structure needs to be used for guaranteeing the timeliness of the control points, and the construction cost is reduced. And the control points are prevented from being damaged and lost to influence the measurement positioning effect.

This invention discloses a roadbed survey unit, detection system, and analysis method for addressing road hazards. The unit includes a survey box with a settlement detection mechanism inside for detecting roadbed settlement depth. A horizontal adjustment unit is located diagonally at the bottom of the survey box. The settlement detection mechanism includes a detection plate, the top of which is driven downwards by a pneumatic component. This invention relates to the field of road surveying technology. This roadbed survey unit, detection system, and analysis method for addressing road hazards, by incorporating a settlement detection mechanism, utilizes a pneumatic component to move the detection plate vertically downwards. The moving plate moves synchronously through the pulling of a traction rope and the cooperation of a support component. This not only enables subsequent roadbed settlement detection but also improves the accuracy and efficiency of the detection process by cleaning the test surface with a sweeping plate before settlement detection.

This invention relates to the field of image data processing technology, specifically to a digital highway surveying method and system based on machine vision. The method includes: acquiring multimodal data collected by a vehicle-mounted mobile scanning system; obtaining a hazard type matching deviation value under the current sampling based on the multimodal data; obtaining the feature vector of the multimodal data in the neural network under the current sampling, and determining the identifiable impact performance value under the current sampling based on the hazard type matching deviation value; obtaining random coefficients under the current sampling based on the identifiable impact performance value; determining the hazard type saliency under the current sampling based on the identifiable impact performance value and the random coefficients; dynamically adjusting the attention weights of the neural network using the hazard type saliency under the current sampling, and outputting the highway hazard identification result. This invention can improve the accuracy of edge feature extraction for multiple types of highway hazards.

The utility model relates to the technical field of highway engineering, municipal engineering, hydraulic engineering and the like, in particular to a measuring device used for highway investigation, which comprises a measuring instrument and a triangular support, the triangular support comprises a triangular panel and triangular support legs, the triangular support is connected with a support structure, and the triangular panel is connected with the triangular support. The supporting structure comprises a supporting rod and a middle shaft rod, the top end of the middle shaft rod is connected with the triangular panel, a blocking ring is arranged at the tail end of the outer surface of the middle shaft rod, the middle shaft rod is sleeved with an adjusting ring, a locking assembly is arranged on the adjusting ring, and anti-skid sleeves convenient to mount and dismount are arranged on the triangular supporting legs. A stable supporting structure is provided, the situation that the whole triangular support is unstable due to the fact that one supporting leg is unstable is prevented, the anti-skid sleeve arranged on the measuring device can be used under the geological condition that a measuring site is three kinds of soil or above during road surveying, the anti-skid capacity of the measuring device can be improved, and the measuring device is convenient to use. And the device is more stable during measurement.

The utility model discloses a surveying and mapping data recording board which comprises a board body, the board body comprises a front board and a rear board, a clamping groove is formed in the inner wall of the front board, a movable hinge is installed between the upper end of the front board and the upper end of the rear board, a clamping piece is arranged at the position close to the lower end of the front board and the lower end of the rear board, and the clamping piece comprises a connecting rod and a blocking rod. The mounting assembly comprises a mounting rod, a fixing block, inserting plates and fixing screws, the mounting rod is inserted into the bottom ends of the front plate and the rear plate, the fixing block is arranged at the bottom of the mounting rod, the inserting plates are fixed to the two sides of the fixing block, and the fixing screws are arranged between the mounting rod and the front plate and between the mounting rod and the rear plate. According to the utility model, two surveying and mapping data recording modes of handwriting and electronic are set, selection is carried out according to surveying and mapping environments, the detachable ground anchor is arranged at the bottom, and the recording plate is inserted into the outdoor underground by utilizing the insertion plate to fix the position of the recording plate, or the recording plate is obliquely used by utilizing the straps, so that the flexibility is high; and road surveying and mapping data can be conveniently recorded.

The utility model provides a kind of measuring device for highway reconnaissance design belongs to road surveying equipment technical field.The utility model embodiment provides the measuring device for highway reconnaissance design, including staff component, drill, direct current motor, power component and support and adjusting mechanism, by rotating and setting drill in the end of staff component, direct current motor and the power component of power supply to direct current motor are built-in in the inside of staff component, when needing to insert staff component into the soil of ground survey point, only need to insert drill into the soil of ground survey point, then start direct current motor, make drill automatic drilling into the soil of ground survey point by direct current motor drive drill rotation, simultaneously, drill drives staff component to insert into the preset position in ground soil, so as not to need to insert staff component into the ground survey point by measurement personnel manually, save work time and improve measurement efficiency, can greatly reduce the labor intensity of measurement personnel, not easy to cause measurement personnel to appear fatigue.

The invention relates to the technical field of pavement noise attenuation performance testing, and discloses a pavement noise attenuation performance testing system and method, and the method comprises the steps: executing a transverse and longitudinal sound pressure distribution strategy, respectively calculating the transverse and longitudinal sound pressure distribution of an under-bridge channel, and optimizing the number of measurement points of an on-bridge road and an under-bridge road; executing a period segmentation weighting strategy, obtaining a traffic signal period of a road under the bridge, and optimizing sound pressure time characteristics under the bridge; executing a noise transfer matrix estimation strategy, calculating a noise transfer matrix from the under-bridge road to the on-bridge road according to the sound pressure time characteristics, and estimating under-bridge noise received by the on-bridge road; executing an on-bridge noise correction strategy, calculating an on-bridge real sound pressure spectrum according to the on-bridge sound pressure time characteristics and the under-bridge noise, and weighting the frequency band of the real sound pressure spectrum; and executing an on-bridge noise attenuation fitting strategy, calculating the equivalent sound pressure level of each measurement point of the on-bridge road, and linearly fitting on-bridge noise attenuation in combination with the reference position, thereby improving the accuracy of the bridge noise test.

The utility model discloses an unmanned aerial vehicle road measuring device based on a guide vehicle, which comprises the guide vehicle, a top plate, a direct connection charging platform and an unmanned aerial vehicle, and is characterized in that the top plate is mounted at the top of the guide vehicle through a plurality of supporting mechanisms; the direct-connection charging platform is fixed to one side of the top of the top plate and used for charging, and a target is printed in the middle of the top end of the direct-connection charging platform and used for being tracked by a camera of the unmanned aerial vehicle. A camera at the bottom of the unmanned aerial vehicle aligns with the target. According to the unmanned aerial vehicle, the camera tracks the target on the direct connection charging platform to achieve vehicle following, the stability of a measurement route is improved, the direct connection charging platform can carry out large-current rapid charging on the unmanned aerial vehicle, and it is guaranteed that the unmanned aerial vehicle can carry out road measurement continuously.

The present invention relates to a technology for collecting map information including terrain information through a collectible open map service without actual road measurement information and generating a simulation image by processing an image reflecting a type, a terrain condition, and the like of a road.

The invention relates to a full-automatic three-dimensional road surveying and mapping device which comprises two walking steering vehicles walking front and back, a scale plate, an identification camera facing the scale plate and an observation camera facing the front of a road are installed on the front walking steering vehicle, and a closed sensor installation box is installed on the rear walking steering vehicle. The sensor mounting box is filled with liquid, a vertical supporting rod is hinged to the upper end of the sensor mounting box, a laser distance measuring sensor facing the scale plate is fixedly connected to the upper end of the supporting rod, and a balance weight located in the liquid is fixedly connected to the lower end of the supporting rod. The road surveying and mapping device can stably work under different topographic conditions, automatically measure the distance, the rotating angle and the slope synchronously, remarkably improves surveying and mapping efficiency and data reliability, is reasonable in structure, high in automation degree and wide in application range, remarkably improves the precision and integrity of road surveying and mapping, and also reduces manual operation intensity.

The application discloses an image enhancement method and device, and relates to the technical field of measurement data processing. The method comprises the following steps: acquiring point cloud data and a panoramic image set in road measurement information; fusing the point cloud data and the panoramic image set to obtain a fusion result, wherein the fusion result comprises a corresponding relationship between data points in the point cloud data and pixel points in the panoramic image set; determining first attribute data of the data points; and performing image enhancement processing on the panoramic image set based on the corresponding relationship and the first attribute data of the data points to obtain a target panoramic image set. The point cloud data, which is also road measurement information, is used to perform image enhancement processing on the panoramic image set, so that the image quality of the panoramic image obtained through road measurement can be improved, and road scene element information can be highlighted better.

The utility model relates to the technical field of road measurement, and particularly discloses a special measuring device for road engineering design, which comprises a base, a support connected to the bottom of the base, a combined rod connected to the middle of the support, a hinge shaft arranged at the top of the combined rod, a sleeving ring arranged at the bottom of the combined rod, and an embedding assembly arranged between the combined rods. By means of the combined rods arranged in the device, the support can be connected in a segmented mode, then the length of the support is shortened by folding the combined rods, and the support can be conveniently stored and carried. The problems that when a theodolite is used for measuring a road, due to the length of a triangular frame, the theodolite cannot be conveniently put into a container to be stored, and carrying is too troublesome are solved.

The invention relates to the technical field of image data processing, in particular to a digital road investigation method and system based on machine vision, and the method comprises the steps: obtaining multi-modal data collected by a vehicle-mounted mobile scanning system; based on the multi-modal data, obtaining a hidden danger type matching deviation value under the current sampling; acquiring a feature vector of the multi-modal data in the neural network under the current sampling, and determining a recognizable influence performance value under the current sampling in combination with the hidden danger type matching deviation value; according to the recognizable influence performance value under the current sampling, obtaining a random coefficient under the current sampling; based on the recognizable influence performance value and the random coefficient under the current sampling, determining the hidden danger type saliency under the current sampling; and dynamically adjusting the attention weight of the neural network by using the hidden danger type saliency under the current sampling, and outputting a road hidden danger recognition result. According to the invention, the edge feature extraction accuracy of multiple types of road hidden dangers can be improved.

Provided in the present disclosure are an image processing-based road measurement method and a related device. The image processing-based road measurement method comprises: on the basis of a preset sampling period, acquiring road images containing road markings, adjacent road images having an overlapping area of a preset size; extracting from the road images marking pixel coordinates of the road markings in a camera coordinate system; on the basis of internal matrix parameters and external matrix parameters of the camera coordinate system, converting the marking pixel coordinates into marking world coordinates in a world coordinate system; on the basis of the overlapping area, converting all of the marking world coordinates into target marking coordinates in the same world coordinate system; and fusing the target marking coordinates to obtain a road measurement curve.