23 results about "Survey tool" patented technology

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.

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 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 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 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.

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.

The utility model 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 cylinder and a pushing cylinder. 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.

The utility model relates to the technical field of ship measuring tools, in particular to a pipe system on-site lofting drawing ruler which comprises a measuring operation piece, a measuring supporting piece and a measuring limiting piece, the measuring supporting piece is movably connected with the measuring limiting piece, a work preparation cavity used for containing the measuring operation piece is formed in one side of the measuring limiting piece, and the measuring operation piece is movably connected with the measuring supporting piece. The measurement limiting piece is movably connected in the work preparation cavity and comprises a main measurement work block, a first measurement auxiliary block, a second measurement auxiliary block and a third measurement auxiliary block; the first measurement auxiliary block, the second measurement auxiliary block and the third measurement auxiliary block are arranged at intervals and are all attached to the outer edge of the main measurement working block, and the main measurement working block, the first measurement auxiliary block, the second measurement auxiliary block and the third measurement auxiliary block work independently. According to the utility model, the problem of large actual installation error caused by bare-handed drawing in the prior art is solved.

The utility model relates to the technical field of tool equipment, in particular to a portable and durable engineering measuring tool carrying support, which solves the problems in the background technology and comprises a bidirectional motor, an output shaft at one end of the bidirectional motor is connected with a threaded telescopic mechanism, and a sleeve rod is sleeved outside a lifting rod and a supporting rod. An output shaft at the other end of the bidirectional motor is connected with a third screw rod, the third screw rod is in threaded connection with a threaded piece, the threaded piece is connected with a connecting rod, the connecting rod is connected with a supporting leg, one end of the supporting leg is connected with a connecting plate, the connecting plate is connected with a fixing piece, and the fixing piece is fixedly connected to a sleeve rod in a sleeved mode. The two-way motor is started, lifting of the placing table and unfolding or folding of the supporting legs are achieved through the threaded telescopic mechanism, lifting and supporting actions are synchronously carried out, the stability and flexibility of the device in different use scenes are ensured, and after use, the device can be stored to the minimum state and is convenient to carry and store.

A hoistway survey tool, having: a first longitudinal member; a platform coupled to the first member; a second member coupled to the second end of the first member, and has: a first leg; and a second leg that is normal to the first leg, the second member is configured to move toward and away from the first member, the second leg includes a first slot, a first slider in the first slot, and a first scale, and in operation the tool identifies a position of a first dropline in a hoistway relative to a first sidewall of the hoistway, when the bottom face of the platform is positioned on a landing floor at a ledge of a doorway, the first member is against a front wall of the hoistway, and the first slider is aligned with the first dropline.

The invention 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 shaft drill rod, the variable-diameter pumping short section is connected to the cable, and the detection control assembly is used for detecting the depth correction tool. The hydraulic pump is used for pumping liquid to the horizontal shaft drill rod, the diameter of the variable-diameter pumping nipple is variable, 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 a cable, and the controller is in communication connection with the tension detection module, the winch, the hydraulic pump and the variable-diameter pumping nipple. The rotating speed of the winch, the diameter of the pumping nipple and the flow of the hydraulic pump are adjusted according to the real-time tension of the cable, dynamic balance control over the tension of the cable is achieved, the control process can be automatically carried out, manual operation errors and pumping pressure are remarkably reduced, and the automation level and safety of pumping operation of the depth correction tool are improved.

This invention relates to a support device for geological exploration surveying equipment, specifically relating to the technical field of geological surveying tools. It includes a base, a support mechanism for supporting the base, and a connecting mechanism for connecting to the surveying tool. The support mechanism is mounted on the base, which has a first illumination hole for laser light to pass through. The connecting mechanism includes a connecting plate for supporting the surveying tool and a locking assembly for fixing the connecting plate to the base. The connecting plate has a second illumination hole for laser light to pass through. The locking assembly includes a connecting cylinder, a driving component, and at least three connecting claws. The connecting cylinder is fixedly connected to the connecting plate and coaxially arranged with the second illumination hole. The connecting claws are movably mounted on the connecting cylinder, and the driving component is mounted on the connecting cylinder and is drively connected to the connecting claws. This invention reduces the difficulty of installing surveying tools on the base, thereby reducing the labor intensity of surveyors; it also improves the installation accuracy of the surveying tool.

The invention relates to the technical field of surveying and mapping, in particular to a surveying and mapping tool which comprises a base, a telescopic arm and a sliding block arranged on the telescopic arm in a sliding and sleeving mode. A rotating shaft is arranged on the base, a rotating seat is arranged at one end of the telescopic arm, and the rotating shaft is rotationally sleeved with the rotating seat; a positioning assembly is further arranged on the base and comprises a positioning hole, and the positioning hole penetrates through the rotating shaft and the base in the axial direction of the rotating shaft; the supporting module comprises a supporting seat, a reset spring connected between the supporting seat and the base, and a plurality of supporting leg assemblies arranged around the base; a penetrating alignment hole is formed in the position, corresponding to the positioning hole, of the supporting base. The supporting leg assembly comprises a supporting leg and a supporting rod, the top end of the supporting leg is hinged to the base, the top end of the supporting rod is hinged to the non-end portion of the supporting leg, and the bottom end of the supporting rod is hinged to the supporting base. According to the invention, the drawing and measuring functions of a circle or an arc can be integrated, and the drawing and measuring precision is improved.

The invention discloses a measurement tool for territorial planning, which belongs to the field of measurement tools, and comprises a support member, a total station main body arranged at the top of the support member and used for measuring territorial information; the lens assembly is arranged on the surface of the total station main body and is used for collecting territorial information; the protective cylinder sleeves the surface of the lens assembly; according to the invention, the lens assembly is protected through the arranged protection cylinder when not in use, when the whole structure is in use, the arranged supporting piece drives the pulling piece to loosen when being unfolded, and then the lens assembly is pushed through the arrangement of the pushing piece, so that the lens assembly is moved out of the protection cylinder, and when the lens assembly is moved out, the lens assembly is prevented from being damaged. Through the mutual cooperation of the transmission piece and the connecting piece, the wiping piece can effectively wipe the lens assembly in a reciprocating manner, so that the wiping effect on the lens of the lens assembly and the wiping convenience and rapidness are effectively ensured.