169 results about "Survey meter" patented technology

The invention relates to the technical field of intelligent evaluation and early warning methods, in particular to a nuclear radiation dose space distribution intelligent evaluation and early warning method and system, and the method comprises the following steps: obtaining multi-source monitoring data which comprises gamma radiation dose, alpha radiation dose and beta radiation dose measuring instrument data; performing fusion and enhancement processing on the multi-source monitoring data to obtain an enhanced radiation monitoring signal; based on the enhanced radiation monitoring signal, high-precision prediction of nuclear radiation dose spatial distribution is carried out through a deep probabilistic neural network model; according to the high-precision prediction result, in combination with a nuclear accident severity level standard, a radiation alert evaluation result and early warning information are generated, short-term radiation fluctuation can be captured, a long-term change trend can be identified, and the understanding ability of the system to a complex radiation field is greatly improved.

The invention discloses an oil-immersed transformer pressure-maintaining sealing detection device, and relates to the technical field of detection devices, the oil-immersed transformer pressure-maintaining sealing detection device comprises a transformer body, the outer surface of the transformer body is provided with an oil storage tank, and the outer surface of the transformer body is provided with a preliminary survey assembly used for preliminarily detecting whether the inner wall of the oil storage tank is slightly damaged. According to the pressure-maintaining sealing detection device for the oil-immersed transformer, when the infrared measuring instrument detects that a suspicious gap exists in the outer wall of the oil storage tank, the negative pressure bin can be inserted into the oil storage tank and rotated in all directions to directly face the suspicious small gap in the inner wall of the oil storage tank, and the negative pressure bin is moved to be tightly attached to the inner wall of the oil storage tank; the oil dirt at the position is cleaned up in a heating and negative pressure mode, then mixed gas of helium and fluorescent powder is conveyed into the sealed space, and the fluorescent powder can be driven by the helium to penetrate through the inner wall of the oil storage tank along the tiny gaps to be attached to the outer surface of the oil storage tank.

A gauge that is configured to detect a time at which radiation enters the gauge. The gauge may include a member that is configured to transition from a first state to a second state upon receipt of the incoming radiation, and may include a light probe that is configured to detect when the member transitions to the second state. The gauge may provide for determining a time of arrival of the radiation at another gauge. For example, the gauge may correlate the time of arrival at the gauge with the another gauge, thereby providing for correlating a response time of a test specimen with actual exposure time of the test specimen to radiation (e.g., an ion beam).

The invention relates to the technical field of soil physical parameter in-situ measurement, and discloses a soil layer natural water content portable intelligent measuring instrument based on multi-source sensing fusion, which comprises a composite probe assembly and an intelligent measurement and control host which are physically connected, the composite probe assembly is configured to be inserted into a soil layer to be tested to construct a multi-physical field test environment, and an electrical transceiving unit and an acoustic transceiving unit are integrated in the composite probe assembly. By constructing a cross physical field excitation and multiphase parameter collaborative decoupling mechanism, a multidimensional dynamic correlation model is established by using the thermosensitive drift characteristic of the sound velocity of a mixed medium during thermal disturbance and the transient step response of a dielectric constant under an acoustic radiation force field; the problems that the coupling influence of the water content and the volume weight cannot be distinguished and the conductivity of bound water and the conductivity of free water are difficult to separate in a traditional means are effectively solved, and four independent physical quantities including the volumetric water content, the in-situ dry volume weight, the bound water content and the actual conductivity of pore water are synchronously inverted through a single probe. And the decoupling precision of the equipment on complex multi-phase soil medium parameters is improved.

The invention relates to the field of textile and printing and dyeing production, and discloses a fabric liquid amount detection and analysis system based on an X-ray absorption spectrum, which comprises an image and data acquisition module, a data storage and analysis module, a ray source and execution module and a client, the image and data acquisition module, the data storage and analysis module, the radiation source and execution module and the client are in communication connection through a network; the image and data acquisition module acquires parameters such as material type, thickness, density, fiber arrangement direction, spectral reflectivity, X-ray attenuation coefficient and the like of the fabric through equipment including but not limited to an industrial camera, a multispectral imaging sensor, a light sensor, an X-ray receiver, a temperature and humidity sensor, a thickness measuring instrument and the like. According to the invention, through the wavelength-adjustable X-ray source and the high-sensitivity detector, by using the X-ray absorption spectrum characteristic, the liquid amount change in the fabric is captured under the nanoscale resolution, and the maximum extraction of the liquid characteristic absorption signal is realized.

The invention discloses an offshore salt mist aerosol monitoring system and method based on a drifting buoy, and relates to the technical field of marine atmospheric environment monitoring, and the method comprises the steps: transmitting the position and time information received by a GNSS receiver to a main control module, and carrying out the resolving of the main control module, and obtaining a preliminary direction; transmitting the data of the attitude measuring instrument to the main control module; the main control module corrects the initial azimuth angle and the elevation angle according to the attitude data, and adjusts the accurate direction of the sun photometer according to the correction result; calculating the optical thickness of the aerosol according to radiation data measured by the sun photometer; the aerosol particle spectrum distribution is inversed according to the aerosol optical thickness; and the main control module performs information interaction on the inverted aerosol particle spectrum distribution and the land through the wireless communication module. The defects of a traditional mode are effectively overcome, and the optical parameters and the dynamic change process of the salt mist aerosol are captured more accurately.

The present application relates to the technical field of silicon wafer production, and discloses a cleaning and drying method and system for silicon wafers, which comprises the following steps: pre-cleaning silicon wafers after being cut; loading the pre-cleaned silicon wafers into a silicon wafer basket; immersing the silicon wafer basket into a cleaning tank to perform main cleaning on the silicon wafers; sending the silicon wafer basket after the main cleaning into a closed drying cavity, measuring the in-situ wetting angle of the contact area between the edge of the silicon wafer and the clamping tooth of the silicon wafer basket by using an optical wetting angle measuring instrument in the closed drying cavity; matching the value of the in-situ wetting angle obtained by detection with a plurality of preset wetting angle intervals, and controlling the infrared radiation array to irradiate and dry the silicon wafer basket according to the drying strategy corresponding to the matched wetting angle interval; sampling the dried silicon wafers, performing the same texturing and thermal oxidation treatment on the sampled silicon wafers, and detecting whether the treated silicon wafers are abnormal; and grading the silicon wafer batches without abnormalities into the warehouse. The method can improve the production yield of silicon wafers.

The present invention relates to the field of liquid level measurement technology, and specifically discloses a liquid level measuring instrument for a cryogenic container and a method of use, comprising a gas phase tube, a liquid phase tube and a liquid level gauge; the portion of the liquid phase tube extending into the cryogenic container comprises: a straight tube section, arranged in the inner tank of the cryogenic container; the straight tube section comprises an opening section with a first exhaust hole and a light tube section without an opening, and the end of the light tube section is a closed end; a drainage tube, arranged at the top of the light tube section close to the opening section, the drainage tube is connected to the light tube section; a flow guide, arranged in the drainage tube, the width of the flow guide gradually increases from bottom to top, and a drainage cavity is formed between the flow guide and the drainage tube; a sealing section, which is penetrated on the side wall of the inner tank; one end of the sealing section is connected to the opening section; a U-shaped gas sealing section, arranged in the vacuum interlayer of the cryogenic container, one end is connected to the other end of the sealing section, and the other end is connected to the heating section. The present invention can improve the accuracy and stability of the differential pressure liquid level instrument when used for liquid level measurement of a cryogenic container.

The utility model discloses a spiral constant flow probe for radon survey meter soil survey belongs to nuclear radiation detection technical field, including intermediate connecting piece, and the bottom end detachable connection of intermediate connecting piece has the gas guide main pipe, and the upper surface of intermediate connecting piece is provided with the flowmeter connecting hole and short stick connecting hole, and the bottom end of intermediate connecting piece is the circular truncated cone structure and is provided with the outer thread, and the gas flowmeter is connected with radon survey meter still, and the bottom end of intermediate connecting piece is the circular truncated cone structure and is provided with the outer thread, and the utility model sets up and has the intermediate connecting piece of thread, and the leakproofness between intermediate connecting piece can pass through the thread promotion and the detection soil, to make the measurement result more accurate.

The utility model discloses a surveying and mapping device for land engineering, which relates to the technical field of land engineering and comprises a surveying and mapping box body, two sealing covers are arranged at the top end of the surveying and mapping box body in a sliding mode, and rectangular grooves are formed in the middle positions of the lower end faces of the two sealing covers. Second racks are fixedly mounted on the inner walls of the two rectangular grooves, first lead screws are rotatably mounted on the two sides of the bottom end in the surveying and mapping box body, second gears are fixedly mounted at the top ends of the two first lead screws, the two second gears are in meshed connection with the corresponding second racks, and a supporting plate is in threaded connection with the two first lead screws; a measuring instrument is arranged on the upper end face of the supporting plate, when the two sealing covers are moved, the supporting plate can synchronously move upwards along the axis of the first lead screw, then the measuring instrument is driven to synchronously move upwards, the measuring instrument can be quickly moved upwards from the interior of the surveying and mapping box, use by workers is facilitated, and the working efficiency is improved.

The utility model discloses a multi -angle adjustable base for full -spectrum ellipsometer, including base, the rear end of base is located with surveying appearance mount, the position of base upper end and located surveying appearance mount front end installs base main part, the base main part is located with base plate, the base plate surface is located with adsorption formula fixed support, surveying appearance mount front end is located with first full -spectrum surveying appearance, second full -spectrum surveying appearance and third full -spectrum surveying appearance in the position of outer ring, and the support frame is located between second full -spectrum surveying appearance and surveying appearance mount. The utility model discloses a multi -angle adjustable base for full -spectrum ellipsometer, adopt advanced rotary compensator measurement result, and there is no surveying dead angle problem, and the influence of the rough surface caused by the elimination polarized effect on the result can also be eliminated, and the multi -incident angle structure design has enhanced the flexibility of instrument measurement, and especially suitable for the measurement occasion of complex sample.

The invention relates to the technical field of power measurement, in particular to a power measurement auxiliary device and method. The device comprises a fixed seat, a guide rail and a sliding block are arranged on the fixed seat, and the sliding block is matched with the guide rail to move along the guide rail; one end of the first arm is fixedly connected to the sliding block; a second arm having one end rotatably connected to the other end of the first arm; a third arm having one end rotatably connected to the other end of the second arm; a fourth arm having one end rotatably connected to the other end of the third arm; the guide wheel assembly is installed at the other end of the fourth arm and used in cooperation with a measuring probe of a power measuring instrument, so that the measuring probe measures the power of the lamp tubes of the ultraviolet irradiation equipment one by one based on movement of the guide rail, the first arm, the second arm, the third arm, the fourth arm and the guide wheel assembly. According to the invention, the power of the lamp tubes of the ultraviolet light irradiation equipment can be measured one by one, the faulty lamp tubes can be eliminated in time, and the effectiveness of the ultraviolet light irradiation equipment is ensured, so that the cross-linking processing quality is improved.

To provide a ground measurement system capable of precisely obtaining a ground state as moving an RI measuring instrument.SOLUTION: A ground measurement system 1 is provided with: a vibration roller 2 (traveling device); a scattering-type RI measuring instrument 10 mounted on the vibration roller 2; a location information receiver 3 receiving location information of the RI measuring instrument 10; a control device 20 producing measurement results of a compaction degree or water ratio of the ground on the basis of radiation data measured with the RI measuring instrument 10; and a display 4 displaying the location information and the measurement result of the RI measuring instrument 10. Every time traveled distance of the RI measuring instrument 10 reaches a specific distance, the control device 20 produces the measurement results and causes the display 4 to display the measurement results.SELECTED DRAWING: Figure 1

The present application discloses a method for source seeking and positioning of a pollution measuring instrument, which includes that a data acquisition and analysis system obtains the count data of each radiation detector in the pollution measuring instrument through the equipped communication module, and after obtaining each count data, matches each count data with the coordinates of each radiation detector to obtain a coordinate array. Among them, the pollution measuring instrument includes a plurality of radiation detectors arranged in an array, and the plurality of radiation detectors are arranged in an array. The data acquisition and analysis system performs Gaussian fitting on the coordinate values in the coordinate array to obtain a Gaussian surface, locates the radiation source according to the Gaussian surface, and stores the positioning information of the radiation source after obtaining it. So that the source seeking and positioning method of the pollution measuring instrument disclosed in the present disclosure can give the radiation distribution on the premise of ensuring the original performance, and facilitate the user to quickly locate the position of the radiation source.

The invention discloses a strong magnetic field environment corrosion product migration experiment device and method.The strong magnetic field environment corrosion product migration experiment device comprises a superconducting magnet, a water tank, a buffer section, a water pump, a gate valve, a heat transfer pipe experiment section, a measuring instrument and auxiliary equipment; the particle mass difference before and after the experiment is measured, the deposition conditions of the particles at different heat transfer pipe sections are compared, and the influence of the high-intensity magnetic field environment on the migration behavior of the metal corrosion particles in the multi-elbow heat transfer section is analyzed. Aiming at the working condition environment and high-intensity magnetic field characteristics of the fusion reactor, a corrosion particle migration experiment in the multi-elbow heat transfer section is carried out, and the position where the corrosion particles are distributed in the heat transfer pipe in a large number indicates that the corrosion product deposition condition of the heat transfer pipe section in actual engineering needs to be paid attention to; particularly, the radiation dose rate, the material loss and the corrosion condition at the position are monitored.

The utility model belongs to the technical field of measurement, and discloses an auxiliary device for measuring equipment. When an obstacle exists near a to-be-measured point and elevation data of the to-be-measured point cannot be acquired, one end of the auxiliary bracket can be lapped to the to-be-observed point, so that the observation reference point is in contact with the to-be-observed point, and then the other end of the auxiliary bracket is connected with the adjusting piece; the inclination angle of the auxiliary support relative to the horizontal plane is adjusted by adjusting the height of the adjusting piece. After it is confirmed that the auxiliary support is parallel to the horizontal plane through the horizontal measuring instrument, the measuring equipment is placed on the installation datum point, the measuring datum plane of the measuring equipment makes contact with the installation datum point, the elevation data, obtained by the measuring equipment, of the installation datum point is the elevation data of the to-be-observed point, and the acquisition process of the elevation data is simplified. According to the utility model, the elevation data of the to-be-observed point can be obtained under the condition that the obstacle exists near the to-be-observed point and the measuring equipment cannot be erected, so that the data integrity of the building settlement observation operation is improved.

The application relates to an oil and water downhole discharging cable hand winch, which comprises a hand winch mechanism, the drum of the hand winch mechanism is wound with a cable, and the left and right ends of the drum are fixedly provided with winches, one end of the right winch is provided with a manual transmission rotating mechanism, a counter mechanism is provided with a hub, the upper end of the hub is overlapped with the cable, a depth measuring instrument is further arranged on the support of the counter mechanism, and a multifunctional cable joint is sealingly connected with the end of the cable. The device provided by the application utilizes the downhole device to replace the manual downhole mode, avoids the contact of personnel with a radiation source, ensures the accuracy of the downhole depth, automatically locks the cable during the test process, and does not cause displacement. The cable can be conveniently recovered after the test, a multi-specification joint is designed, the joint can be flexibly installed and replaced, a plurality of specification flowmeters can be connected to one cable, and the cable does not need to be replaced.

The utility model discloses a handheld course measuring instrument, which belongs to the technical field of surveying and mapping equipment and comprises a waistcoat and a course receiver, a controller is arranged on the front side of the waistcoat, a back plate is arranged on the back side of the waistcoat, a mounting plate is arranged on one side of the back plate, a radio station and a casing are arranged in the center of the mounting plate, and a socket and a mounting seat are arranged at two ends of the mounting plate. A supporting rod is inserted into the socket, an adjusting assembly is arranged in the mounting seat, a stabilizing assembly is arranged at the top of the adjusting assembly, and the course receiver is fixedly connected with the stabilizing assembly. Through the arrangement of the waistcoat, the socket, the mounting seat and the adjusting assembly, a tester can carry on the back for use, the burden of the tester is reduced, the portable function is realized, the lifting of the adjusting screw rod can be controlled through the controller, and the height adjusting function is realized when the tester is carried on the back for use; and centering and leveling are not needed during installation, and the supporting rod and the connecting rod can be held by hand for use after being taken out.

The invention discloses a rapid detection device for the straightness of a riser based on a laser measurement technology, and the device comprises a rack, the rack is rotatably provided with a rotating shaft with an annular groove rubber guide wheel, and is provided with a positioning mechanism and a driving mechanism; the middle of the rack is rotatably connected with an annular plate, the inner wall of the rack is provided with a laser measuring instrument, and the annular plate is meshed with a motor-driven gear through a gear ring; the rubber guide wheels are matched with cleaning, airflow assisting and wiping mechanisms. The device drives the rubber guide wheel to synchronously convey the guide pipe through double power sources, and the motor drives the laser measuring instrument to circumferentially rotate, so that continuous automatic measurement is realized, a measured piece does not need to be manually moved, and the efficiency is greatly improved; the positioning mechanism limits offset rotation of the guide pipe, the cleaning, airflow and wiping integrated mechanism removes pollutants of the guide pipe, sliding errors are avoided, and the measurement precision is guaranteed.

The present invention belongs to the technical field of radioactive waste liquid treatment and disposal, and specifically relates to a microwave drying device in a barrel for treating low-radioactive suspension. A dilute acid pipeline is arranged at the inlet of the cyclone, a flow meter is arranged on the outlet pipeline at the bottom of the cyclone, a feed trough is connected at the outlet pipeline of the flow meter, a stirring paddle A is installed in the feed trough, driven by a stirring motor A, a liquid level meter A and a solid-liquid ratio measuring instrument are installed on the feed trough, a feed pump is connected to the outlet pipeline of the feed trough, the outlet of the feed pump is connected to a metering tank, a stirring paddle B is installed in the metering tank, driven by a stirring motor B, and a liquid level meter B is installed on the metering tank; a standard waste barrel enters a shielding box through a roller conveyor; a barrel clamping arm is arranged outside the standard waste barrel, and a lifting platform is arranged at the bottom of the standard waste barrel; the metering tank is connected to the metering pump. The present invention is of great significance for solving the bottleneck problems of low-level radioactive sludge, tank bottom mud, scale residue, etc. in the process of radioactive waste treatment and decommissioning.

The invention discloses an overline measuring instrument and a line detection method using the overline measuring instrument, and relates to the technical field of cable detection equipment, the overline measuring instrument comprises a main walking assembly, an auxiliary walking assembly arranged on the main walking assembly, a main driving assembly, and a detection assembly arranged on the main walking assembly and / or the auxiliary walking assembly; an auxiliary driving assembly is arranged between the main walking assembly and the auxiliary walking assembly; the main walking assembly comprises main obstacle crossing units and a first supporting piece, and the main obstacle crossing units are arranged at the two ends of the first supporting piece; the auxiliary walking assembly comprises auxiliary obstacle crossing units and a second supporting piece, and the auxiliary obstacle crossing units are arranged at the two ends of the second supporting piece; when the cross-line measuring instrument crosses an obstacle on a line, the main obstacle crossing unit close to the obstacle, the auxiliary obstacle crossing units and the main obstacle crossing unit away from the obstacle sequentially cross the obstacle, and when the main obstacle crossing unit or the auxiliary obstacle crossing units cross the obstacle, the auxiliary obstacle crossing unit or the main obstacle crossing unit which does not cross the obstacle keeps clamping the line, so that the obstacle crossing stability of the cross-line measuring instrument is improved.

The present application relates to the technical field of product quality and safety, in particular to a high-throughput rapid screening method for radioactive substances in waste textile raw materials, comprising the following steps: step one, raw material preselection; step two, raw material pretreatment; step three, radioactive substance detection; step four, radioactive substance measurement and analysis; step five, detection of Sr-90 content in raw materials; and step six, reagent addition. The present application proposes a research on common gamma nuclides and Sr-90 content analysis in textile raw materials, ensures the radioactivity safety of textile raw materials, establishes a method for detecting radioactive substance Sr-90 in waste textile raw material solid waste by using a low-background alpha beta measuring instrument, the average recovery rate of the method is 80%, the average detection limit, and the radioactive detection of waste textile raw materials is studied. The research results show that the content of gamma radioactive nuclides in the selected waste textile raw material samples meets the national limit standard requirements, and reduces the pollution of common radioactive nuclides.

The utility model discloses a level gauge, which relates to the technical field of measuring instruments and comprises a scale, a first fixing plate, a first bubble tube and an adjusting component for adjusting the detection angle of the first bubble tube, the first fixing plate is mounted at the top of the scale, and the first bubble tube is arranged inside the first fixing plate. The adjusting assembly comprises a movable groove, the movable groove is formed in the first fixing plate, a first gear is rotationally connected into the movable groove, the first bubble pipe is installed in the first gear, and a fixing assembly used for fixing the rotating angle of the rotating disc is arranged at the top of the first fixing plate. According to the utility model, the position of the magnet is adjusted through the threaded rods on the two sides, so that the scale can be firmly adsorbed on detection surfaces, curved surfaces, inclined surfaces and the like with different shapes or angles, and different measurement requirements including calibration of inclined planes with specific angles and adjustment to 45 degrees or other gradients can be met by rotating the angle of the first bubble tube.

The utility model belongs to the technical field of under-forest surveying and mapping, and particularly relates to an under-forest surveying and mapping support which comprises a surveying and mapping instrument connecting seat and is characterized in that the bottom of the surveying and mapping instrument connecting seat is rotatably connected with three supporting rods, the supporting rods comprise a first connecting rod, a second connecting rod, an inner threaded pipe and a positioning rod, and the first connecting rod is a one-third cylinder; the surveying instrument connecting seat and the measuring instrument above can be supported through the three supporting rods so that the surveying instrument connecting seat and the measuring instrument can be kept stable in the measuring process, when the three supporting rods rotate to be parallel to one another, the three supporting rods can be in a folded state, and the three first connecting rods and the three second connecting rods are tightly attached to one another; the three supporting rods are arranged, so that the three supporting rods form a complete cylinder, the stress of the three supporting rods is more concentrated, the three folded supporting rods can be used as crutches, when a surveying and mapping person walks in a forest, the crutches can be used for supporting, and the stability and convenience of movement of the surveying and mapping person in the forest can be improved.

The utility model discloses a triangular circle measuring instrument, and belongs to the technical field of measuring instruments. Comprising a V-shaped support arranged on one side of a base; the measuring meter is arranged on the other side of the base; the workpiece supporting rod is located on the inner side of the V-shaped support, vertically penetrates through the base in a sliding mode and abuts against the outer surface of the to-be-detected workpiece; and two ends of the lever are respectively connected with the workpiece supporting rod and the measuring meter supporting rod. According to the utility model, measurement data is amplified through the lever and is reflected on the measurement meter, so that better feedback is obtained; and the rotating hand wheel is arranged, so that the pressing wheel linked with the rotating hand wheel drives the workpiece to rotate, and measurement errors can be better avoided.

The utility model relates to the technical field of radiation monitoring, in particular to a low-background alpha and beta measuring instrument which comprises a measuring machine body, four walking pulleys used for movably supporting the measuring machine body are symmetrically arranged at the bottom end of the measuring machine body, and a bottom cavity and a right-angle cavity channel which are communicated are formed in the lower end of the measuring machine body. The measuring machine body is provided with a loading mechanism used for fixing and supporting the measuring machine body through the bottom cavity and the right-angle cavity channel. The measuring machine body with the vertical cabinet structure is arranged, and the walking pulleys are symmetrically arranged at the bottom end of the measuring machine body, so that the measuring machine body can conveniently, stably and horizontally move through the walking pulleys; a bottom cavity and a right-angle cavity channel which are communicated with each other are formed in a measuring machine body to drive a lifting support to do reciprocating lifting movement, meanwhile, a driving wedge block and a driven wedge block which movably abut against each other are arranged in the right-angle cavity channel, so that the driven wedge block provided with a strong support stretches out and draws back repeatedly under the driving action of a driving motor, and therefore fixed supporting is provided for the measuring machine body.

The application discloses a multi-angle surveying auxiliary device, which comprises a base, wherein a balancing mechanism is installed on the base; the balancing mechanism comprises an arc-shaped rod, a circular frame capable of rotating along an X-axis is connected to the arc-shaped rod through two X-axis rotating members, a balancing shell capable of rotating along a Z-axis is connected to the circular frame through two Z-axis rotating members, a counterweight is fixedly installed at the bottom end of the balancing shell, and a measuring instrument assembly is installed at the center of the balancing shell; an X-axis support seat is arranged on the arc-shaped rod, an X-axis rotating driving device is installed on the X-axis support seat, the output end of the X-axis rotating driving device is connected with the X-axis rotating member through an X-axis electromagnetic clutch, a Z-axis telescopic driving device is further installed on the X-axis support seat, the output end of the Z-axis telescopic driving device is connected with a Z-axis support seat, a friction roller capable of frictionally matching with the outer surface of the balancing shell is rotatably installed on the Z-axis support seat, a Z-axis rotating driving device is further installed on the Z-axis support seat, and the output end of the Z-axis rotating driving device is connected with the friction roller through a Z-axis electromagnetic clutch.

The utility model belongs to house building auxiliary equipment technical field relates to a house construction surveying device, including the height adjusting device of accommodation box movable installation, the angle adjusting device is detachably arranged on the height adjusting device, and the support device is abutted on one side of height adjusting device, and the cover plate is hinged on the accommodation box, and the surveying appearance is detachably installed on the angle adjusting device. The utility model through the first motor drive base pole rotation, and the combination screw rod and the screw connection structure of base pole, realized the flexible adjustment of surveying appearance height, at the same time, the situation of avoiding setting up the vertical pole to be too long to satisfy the high measurement demand is avoided with angle adjusting device, guarantees the surveying height while, effectively controlled the space required when receiving, make the accommodation box volume more reasonable, convenient for construction personnel to carry and remove, improved work efficiency, support device can effectively prevent the base pole from shaking or tilting during the measurement process, thereby ensuring the perpendicularity of the surveying instrument, improving the measurement accuracy.

The utility model relates to a temporary protection device for a plug-in level gauge. At present, when a temporary protection device of a leveling instrument adopts a plastic film, the temporary protection device is easy to age and damage in a complex surveying and mapping environment, and loses a rainproof effect once being damaged. A temporary protection device of a plug-in level measuring instrument comprises a left protection cover and a right protection cover, the left protection cover and the right protection cover are connected in a plug-in mode, and an opening of the right protection cover is inserted into a socket of the left protection cover. Locking mechanisms are installed on the inserting plates on the two sides and the top of the left protective cover respectively, lock holes used in cooperation with the locking mechanisms are formed in the inserting plates on the two sides and the top of the left protective cover respectively, and the left protective cover and the right protective cover are fixedly connected through the locking mechanisms. The inserting plates on the two sides and the top of the right protective cover are inserted into the opening edge positions of the two sides and the top of the left protective cover correspondingly, and the inserting plate at the bottom of the right protective cover and the inserting plate at the bottom of the left protective cover are of an attached structure. The leveling instrument is applied to the field of leveling instruments.

The utility model discloses ionization chamber radiation dose measuring equipment, which comprises an electromagnetic radiation measuring instrument and a measuring support plate, the upper side of one end of the measuring support plate is rotatably provided with a measuring instrument bayonet socket through a vertical plate and a connecting shaft, and a handheld part at one end of the electromagnetic radiation measuring instrument is inserted into an inserting groove in the measuring instrument bayonet socket. The upper end of the measuring support plate is rotatably provided with a connecting shaft, one end of the connecting shaft is in transmission connection with a first motor through a first gear set, the lower end of the measuring support plate is rotatably provided with a lower support rod through a bearing seat and a bearing, and a second motor is in transmission connection between the bearing seat and the lower support rod through a second gear set. The handheld part at one end of the electromagnetic radiation measuring instrument is inserted into the insertion groove in the measuring instrument insertion seat and is used for performing insertion positioning on one end of the electromagnetic radiation measuring instrument, operation measurement can be performed without hand holding, and the convenience of measurement and use is improved.