57 results about "Survey tool" patented technology

An automatic stationing functionality of a geodetic survey instrument. The survey instrument comprising a targeting unit configured to provide a targeting data measurement, an inertial measurement unit (IMU), an imaging sensor unit configured for providing the functionalities of a visual positioning system (VPS), a communication interface configured to receive a design data comprising position information of reference markers in the environment, and a computing unit. The automatic stationing functionality being configured for calculating a coarse pose of the instrument based on the IU and / or the VPS pose data, selecting a plurality of reference markers to be targeted based on the coarse pose and the design data, and determining a fine pose of the instrument based on the targeting data measurement of the plurality reference markers.

The invention provides a historical building bare brick wall degradation characteristic evaluation method and equipment, and the method and equipment achieve the automatic recognition and precise evaluation of the historical building bare brick wall degradation damage characteristics based on a target detection algorithm through the fusion application of deep learning and computer vision technologies and the combination of a transfer learning optimization neural network architecture. According to the method, a bare brick wall degradation characteristic sample database is established, a PP-PicoDet algorithm is selected to carry out model training and characteristic increment superposition training, rapid and accurate automatic identification of damage types, positions and degrees is realized, and compared with a traditional manual investigation mode, the operation efficiency and the result accuracy are greatly improved; and a novel intelligent efficient investigation tool and method are provided for historical building protection and repair.

Various implementations directed to a system and method for using a magnetometer in a gyro-while-drilling (GWD) survey tool are provided. In one implementation, a method may include acquiring gyroscopic data using gyroscopic sensors of a GWD survey tool while the tool is disposed at a first position within a wellbore. The method may also include acquiring first magnetic data using a magnetometer of the GWD survey tool while the tool is disposed at the first position. The method may further include determining an offset value for the magnetometer based on the gyroscopic data and the first magnetic data. The method may additionally include acquiring second magnetic data using the magnetometer while the tool is disposed at second positions within the wellbore. The method may also include determining magnetic azimuth values for the tool disposed at the second positions based on the second magnetic data and the offset value.

A tool for surveying a multi-level elevator hoistway in preparation for installing hoistway rails, the tool having: a platform supporting a spatial range sensor that has an electronic controller, the controller receives instructions over a wireless network to measure a first distance between the platform and a first proximate wall, and stores transmits first data representing the first distance; the platform extends from a first side to a second side that are opposite each other, the first side has a first bracket that engages a first guide wire and the second end has a second bracket that engages a second guide wire; and the platform defines a first surface and a second surface, and first coupling link is connected to the first surface for connecting with a rope to raise or lower the platform against the first and second guide wires.

A system and method of drilling a wellbore to a target may include measuring attitudes at two adjacent survey stations along a wellbore using a downhole surveying tool. An actual change in wellbore position over a survey leg linking the two survey stations may be determined. Corrections may be applied to the measured attitude at one or both of the survey stations such that an estimated well path joining the survey stations indicates the determined actual change in wellbore position between the two survey stations.

The utility model discloses a surveying support for engineering planning, which belongs to the technical field of surveying supports and comprises a platform, a rotary table is mounted at the top of the platform and can rotate at the top of the platform, a bolt hole for mounting a surveying tool is formed in the top of the rotary table, a rotating shaft is rotatably connected to the side edge of the platform, and a fixing frame is fixedly connected to the side edge of the rotating shaft. The telescopic process of a single supporting leg can be achieved through the internal structure, so that the supporting height of a unit part of equipment is increased, the relative position of the fixing frame and the extending foot stool support can be controlled according to the horizontal state of the maintaining platform on a concave-convex road surface, and the supporting effect of the supporting leg is improved. And after use is finished, the extension foot stool can be independently separated from and attached to the side edge of the fixing frame, the extension foot stool can be conveniently and subsequently carried and transported by personnel, the whole equipment does not need to be replaced, the maintenance cost of the equipment is reduced, and maintenance is convenient.

The invention discloses a portable investigation tool for urban and rural planning. The portable investigation tool comprises a storage box, a pull rod, a stabilizing assembly and a storage assembly. According to the portable survey tool for urban and rural planning, through the design of the pull rod and the universal wheels, the whole machine can be easily dragged, and the portable survey tool is convenient to carry to a working site; after arriving, the supporting rod can be quickly inserted into the ground through the lifting mechanism and the gear-fluted disc linkage structure, and the universal wheels on the two sides are automatically unfolded in a staggered manner and horizontally locked to form stable multi-point support, so that the anti-interference capability and the stability of the measuring platform are remarkably improved; a rotating disc and a plurality of clamping positions are arranged in the device, different measuring parts can be preassembled, tool switching and accurate locking can be completed only by rotating the rotating disc and pushing a positioning rod, and operation is simple and efficient; meanwhile, in the transportation process, a vibration reduction mechanism composed of the guide grooves and the buffer springs can effectively absorb bumping impact, precise instruments are protected, and the efficiency, precision and equipment safety of field planning measurement are greatly improved through the overall design.

The utility model discloses a survey tool for carbon sink forest management, which relates to the technical field of carbon sink forest management and comprises a bottom plate. The sampling assembly is used for sampling soil in the carbon sink forest; the placing assembly is used for placing the sampling assembly; the pressing assembly is used for pressing and limiting the sampling assembly; the positioning assembly is used for positioning the sampling assembly; the driving assembly is used for driving the placing assembly to move; the sampling assembly comprises a collecting pipe. Through the arrangement of the placing assembly, a collecting pipe can be effectively placed, meanwhile, the collecting pipe can be rapidly replaced, ground soil on different grounds can be conveniently and rapidly sampled, the pressing assembly and the positioning assembly are arranged on the inner side of the top circular ring, the collecting pipe can be effectively limited and pressed, and the sampling efficiency is improved. The placing stability of the collecting pipe is improved, and the using effect of the device is improved.

A method for performing gyroscopic azimuth angle measurements includes estimating a pitch angle and a roll angle of a gyroscopic inclinometer in a wellbore; determining a measurement duration for each of the plurality of gyroscope measurements from the estimated pitch and roll angles; making each of the plurality of gyroscopic measurements at the determined measurement duration when the gyroscopes are disposed at a corresponding plurality of rotational positions in the tool housing; and calculating an azimuth angle of the wellbore from the plurality of gyroscopic measurements.

The utility model relates to the technical field of road measurement, and discloses a road engineering road measuring tool which comprises a mounting seat, a motor is fixedly connected to the inner bottom surface of the mounting seat, a lead screw is fixedly connected to the output end of the motor, the lead screw is in threaded connection with a movable seat, and a horizontal assembly is arranged on the top end face of the movable seat. According to the road engineering road measuring tool, the measuring instrument drives the hemispheroid and the movable ring to rotate, so that the hemispheroid and the movable plate rotate around the connecting rod, the measuring instrument is always kept in a horizontal state, the accuracy of a measuring result is further ensured, and even if the device is not on a horizontal plane, the measuring instrument can be automatically adjusted to keep horizontal; the threaded groove is in threaded connection with the spiral thread, so that the movable ring and the hemisphere are fixed in an angle mode, the stability is ensured, the situation that the measuring instrument shakes due to the fact that the device is touched accidentally in the measuring process is avoided, the operation safety and reliability are enhanced, and the measuring work is smoother and more efficient.

The utility model belongs to the technical field of geological survey tools, and particularly discloses a portable field geological survey comprehensive drawing board. A protective cover of the comprehensive drawing board is fixed on one side of a drawing board to form a folder structure, a fixed paper clip capable of clamping paper is fixed on the upper portion or the inner side of the inner surface of the drawing board, a handle is fixed at the top end of the drawing board and / or the protective cover, and straps are fixed at the top end of the drawing board and / or one side far away from the protective cover. An inner bag capable of containing drawing tools and a record book is fixed to the inner surface, opposite to the drawing board, of the protective cover, and an outer bag capable of containing geological survey tools is fixed to the outer surface of the protective cover. The protective cover and the drawing board are connected to form a folder structure capable of being opened and closed, and the elastic inner bag and the elastic outer bag are arranged on the inner surface and the outer surface of the protective cover, so that the tedious process of repeatedly drawing tools is avoided, drawing, point drawing and recording are facilitated, potential safety hazards caused by carrying sharp tools are eliminated, and working efficiency is improved. The device has the characteristics of simple structure, convenience in carrying, high working efficiency, safety and reliability.

The invention relates to a hoistway survey tool for measuring the position of a vertical line. A hoistway survey tool having: a first longitudinal member; a platform coupled to the first component; a second member coupled to a second end of the first member and having: a first leg; and a second leg orthogonal to the first leg, the second component configured to move toward and away from the first component, the second leg including a first slot, a first slider in the first slot, and a first scale, and in operation, the second component is configured to move toward and away from the first component. The tool identifies a position of the first droop in the hoistway relative to a first side wall of the hoistway when the bottom surface of the platform is positioned on the landing floor at the ledge of the doorway, the first component abuts against the front wall of the hoistway, and the first slider is aligned with the first droop.

A method for surveying a wellbore includes rotating a wellbore surveying tool in a wellbore. The wellbore surveying tool includes a plurality of magnetometers, a plurality of accelerometers, and, optionally, a plurality of temperature sensors. Sensor measurements are made while the survey tool rotates in the wellbore. A failed accelerometer or a failed temperature sensor is automatically detected from the accelerometer measurements or the temperature measurements. Corrected sensor measurements are computed for the failed sensor from selected ones of the magnetometer measurements, the accelerometer measurements, and the temperature measurements and used to further compute at least one of a wellbore inclination or a wellbore azimuth.

The application discloses a large displacement horizontal well depth correction tool pumping system, which comprises a short section pumping assembly and a detection control assembly, the short section pumping assembly comprises a hydraulic pump, a winch, a variable-diameter pumping short section and a depth correction tool, the winch is used for putting a cable into a horizontal well pipe, the cable is connected with the variable-diameter pumping short section, the hydraulic pump is used for delivering pumping liquid to the horizontal well pipe, the diameter of the variable-diameter pumping short section can be set, the detection control assembly comprises a tension detection module, a flow measurement module and a controller, the tension detection module is used for detecting the tension of the cable, the controller is in communication connection with the tension detection module, the winch, the hydraulic pump and the variable-diameter pumping short section, and the rotation speed of the winch, the diameter of the pumping short section and the flow of the hydraulic pump are adjusted according to the real-time tension of the cable, dynamic balance control of the tension of the cable is realized, the control process can be automatically carried out, human operation errors and pumping pressure are obviously reduced, and the automation level and safety of the depth correction tool pumping operation are improved.

The utility model discloses a survey tool for urban planning, which relates to the technical field of urban planning and comprises a mounting seat, the right end of the mounting seat is rotatably connected with a first unfolding plate, and the left end of the mounting seat is rotatably connected with a second unfolding plate. Side surrounding plates are fixedly mounted at the upper ends of the first unfolding plate and the second unfolding plate, mounting rods are arranged on the inner sides of the side surrounding plates, the front ends and the rear ends of the mounting rods are slidably connected with the side surrounding plates through connecting grooves, and pressing plates are mounted at the lower ends of the mounting rods. According to the investigation tool for urban planning, side surrounding plates, mounting rods, pressing plates and the like are arranged, after a first unfolding plate and a second unfolding plate are unfolded respectively, the side surrounding plates, the mounting rods, the pressing plates and the mounting base jointly form a placement table, planning drawings can be placed on the unfolding plates, the drawings are pressed and fixed through the pressing plates on the two sides, and the positions of the mounting rods are moved, so that the planning drawings can be conveniently placed on the placement table. And the distance between the pressing plates on the two sides adapts to drawings of different sizes, and practicability is improved.

The utility model discloses a military measuring tool which comprises a transparent cylinder, distance scribed lines, an adjusting block, an infrared lamp and a half-thread bolt. The end, provided with a bolt head, of the half-thread bolt extends out of the upper end of the transparent cylinder. The distance scribed lines extend in the axial direction of the transparent cylinder and are used for measuring the height, the number of the distance scribed lines is multiple, the multiple distance scribed lines are distributed in the circumferential direction of the transparent cylinder, the number of the infrared lamps is the same as that of the distance scribed lines, and each infrared lamp corresponds to one distance scribed line; a battery is arranged in the transparent cylinder, a switch is arranged on the upper side of the transparent cylinder, and the infrared lamp is connected with the battery through the switch and an electric wire. The device is installed on a horizontal plane and can measure the height of another horizontal plane, the other horizontal plane can be adjusted in a six-face mode, if the device is installed on a spiral spring type pressure plate separation ring, a repairman is assisted in adjusting the depth of the pressure plate separation ring relative to a pressure plate plane, the two hands can be liberated, repeated measurement is not needed, and the device is more convenient, rapid and accurate.

The utility model discloses a WLAN (Wireless Local Area Network) wireless network investigation tool, which comprises a clamping part, a telescopic part and a supporting part, the clamping part is provided with an equipment mounting position and a power supply mounting position, AP (Access Point) equipment for testing a WLAN wireless network and a power supply are respectively mounted in the equipment mounting position and the power supply mounting position, the bottom end of the telescopic part is connected with the supporting part, and the supporting part is connected with the telescopic part. The telescopic part is supported on the ground of an investigation position through the supporting part, the top end of the telescopic part is connected with the clamping part, and the telescopic part can stretch out and draw back in the vertical direction so as to adjust the height of the clamping part carrying the AP equipment for testing. According to the surveying tool, the installation height and angle can be flexibly adjusted, limitation of cables and environments is avoided, the surveying operation difficulty is simplified, the operation safety risk is reduced, and more time and labor are saved.

The invention belongs to the technical field of forestry investigation tools, and particularly relates to a tree core ejection device which comprises a leading-in cylinder, a pushing device and a pushing device. The guide-in barrel baffle is coupled to the middle of the guide-in barrel; the piston barrel baffle is coupled to the bottom of the guide-in barrel; the piston assembly vertically slides in the leading-in cylinder and is arranged between the leading-in cylinder baffle and the piston cylinder baffle, the top of the piston assembly penetrates through the leading-in cylinder baffle and is used for striking a sample in the growth cone, the bottom of the piston assembly extends out of the piston cylinder baffle, and the bottom of the piston assembly is in limiting fit with the piston cylinder baffle; the piston assembly is elastically connected with the guide-in cylinder baffle. By pulling the bottom of the piston assembly, the top of the piston assembly moves in the direction away from the guide-in barrel baffle, then a growth cone drill bit is placed into the guide-in barrel, after the angle of the drill bit is adjusted, the axis of the sample and the axis of the piston assembly are collinear, the bottom of the piston assembly is loosened, and the top of the piston assembly strikes the sample. The sample is loosened from the inner wall of the growth cone drill bit, so that the sample is conveniently taken out.

A method of validating a directional survey includes measuring the gravity and magnetic field vectors using a surveying tool and computing an overall statistical distance of the measurement. The statistical distance may be calculated from reference values associated with the surveying tool using corresponding surveying tool codes with error values. In a further aspect, an error covariance matrix may be used to determine whether the new errors in a survey are consistent or not with errors from one or more previous surveys.

The utility model provides a mine survey tool, including bottom plate and scraping structure, the one end of bottom plate upper surface is detachably vertically provided with the fixed cylinder, the inner cavity of fixed cylinder is provided with the stamping cylinder that can move along the vertical direction, the bottom end of stamping cylinder can draw and extend to the bottom of bottom plate. According to the mine measuring tool, a worker places a stamping cylinder in a clamping cylinder, a first twisting handle is twisted to drive a first threaded rod to rotate, then a clamping plate can be driven to move, after the clamping plate abuts against the surface of the stamping cylinder, the stamping cylinder can be clamped and fixed in the clamping cylinder, the worker can press a pull rod, and the stamping cylinder can be clamped and fixed in the clamping cylinder. After the rubber scraping plate extends into the inner cavity of the stamping cylinder, soil layer dirt left on the inner wall face of the stamping cylinder can be scraped away, subsequent soil layer observation is facilitated, and measurement convenience is improved.

The utility model discloses a measuring equipment for building construction reconnaissance, including a movable plate, a marker post, an extension rod, an angle meter and a reinforcing rod, the top of the movable plate is movably connected with the bottom of the surface of the marker post, the top of the marker post is movably connected with the bottom of the extension rod, and the top of the angle meter is fixedly connected with the bottom of the movable plate. The two sides of the bottom of the movable plate are fixedly connected with the tops of the reinforcing rods, the top of the movable plate is movably connected with a gradienter, and a rod groove is formed in the back face of the movable plate. By arranging the gradienter, whether the surveying tool is horizontally placed or not can be clearly seen by using the gradienter, so that a test result is more accurate when a user measures by using a marker post, and the problems that the surveying tool is not provided with a device which is convenient for the user to watch the level, the user cannot accurately measure the surveying tool, and the surveying tool is inconvenient to use are solved. And meanwhile, if the surveying device cannot use parts except the marker post, the surveying device is inconvenient to disassemble, so that the surveying device is inconvenient to use, and the effect of facilitating horizontal measurement is achieved.

A method of validating a directional survey includes measuring the gravity and magnetic field vectors using a surveying tool and computing an overall statistical distance of the measurement. The statistical distance may be calculated from reference values associated with the surveying tool using corresponding surveying tool codes with error values. In a further aspect, an error covariance matrix may be used to determine whether the new errors in a survey are consistent or not with errors from one or more previous surveys.

The utility model belongs to but not limited to the technical field of outdoor sampling tools, and discloses a convenient outdoor sampling survey tool for highland barley, the main body of the tool is a telescopic rod, and different measuring heights and angles can be adjusted; the area measuring module is of a foldable rectangular frame structure, scales are arranged on the edge of the frame, and measuring grid marks are arranged in the frame. The plant height measuring module is arranged on the telescopic rod, the telescopic rod is provided with a graduated scale, and a small base capable of being inserted into soil is arranged at the tail end of the telescopic rod; the spike length measuring module comprises a foldable small scale and is used for measuring the length of a single highland barley spike; and the digital display and data storage module is used for displaying and storing measurement data. According to the utility model, area measurement, plant height measurement and ear length measurement are integrated, the outdoor sampling efficiency is greatly improved, and the device is convenient to carry and reduces the field measurement burden; in cooperation with the scales, the electronic display module and the storage module, data measurement is more accurate, and multiple items of highland barley growth data can be rapidly obtained; the device is suitable for wide field environments.

A survey tool includes a gyroscope and an accelerometer. The gyroscope can include a multi-axis gyroscope, a reciprocating gyroscope, or a combination thereof. The survey tool is independently rotatable relative to an outer housing and collects gyroscopic measurements and accelerometer measurements during drilling activities. Using the gyroscopic measurements and the accelerometer measurements, the survey tool calculates earth rate components of the rotation of the earth. Using the earth rate components, the survey tool determines the azimuth of the downhole tool.

The invention relates to downhole health monitoring of survey sensors. Specifically, a method for surveying a wellbore includes rotating a wellbore surveying tool in the wellbore. The wellbore survey tool includes a plurality of magnetometers, a plurality of accelerometers, and optionally a plurality of temperature sensors. Sensor measurements are made as the survey tool rotates in the wellbore. A faulty accelerometer or a faulty temperature sensor is automatically detected from an accelerometer measurement or a temperature measurement. A measurement selected from a magnetometer measurement, an accelerometer measurement, and a temperature measurement calculates a corrected sensor measurement for the faulty sensor and uses it for further calculating at least one of a borehole inclination or a borehole azimuth.