60 results about "Electronic level" patented technology

The utility model discloses hoisting equipment for building construction, which comprises a base, a hoisting frame is arranged on the upper side of the base, an electric hoist is arranged at the upper end of the left side of the hoisting frame, a loading frame is arranged at the tail end of a hoisting rope in the electric hoist, and the hoisting equipment further comprises a balance mechanism; the balance mechanism comprises a balance shell, a partition plate, a longitudinal balancing weight, a first electronic level meter, a transverse balancing weight and a second electronic level meter, the balance shell is arranged in the middle of the lower side of the object carrying frame, the partition plate is arranged in the balance shell, and the longitudinal balancing weight is slidably connected into a first dovetail groove formed in the upper side of the partition plate. Through the transmission element and the detection element, horizontal inclination detection and horizontal self-adjustment can be automatically carried out on the hoisting part of the building object, so that the building object is always in a horizontal position in the hoisting process, the hoisting stability of the device on the building object is improved, the process is not limited by factors such as a screw rod, use is convenient, and the hoisting stability coverage range is wide.

The present application relates to the technical field of installation and debugging of plate turning machining center, and discloses a large plate turning machining center plate turning precision adjustment method, comprising the following steps: step S1, pad iron pre-installation: installing adjustable pad iron on the back of the workbench base, and installing bottom pad iron on the bottom of the workbench base; step S2, initial adjustment: adjusting the adjustable pad iron to the middle value of the full stroke; adjusting the bottom pad iron to the three-equal-part strength state; ensuring that the foot rod is located at the center of the workbench base hole; and adjusting the adjustable pad iron on the upper end of the workbench base to be close to the two sides, wherein the present application adopts the adjustment sequence from the middle to the two sides and the corresponding upper and lower adjustment sequence, avoids stress concentration, solves the precision deviation problem caused by the chaotic existing adjustment sequence, clearly defines the torque parameters and precision standards of each link, avoids human operation differences, significantly improves the repeated precision, combines multiple detections of the theodolite, collimator and electronic level, sets a three-day continuous re-inspection mechanism, effectively avoids precision drift, and ensures the long-term operation stability of the equipment.

The utility model discloses a metering device convenient to read metering data, which comprises a bottom box, a placing plate, an adjusting mechanism, a threaded ring, a metering cylinder, a motor I, a motor II, an electronic level meter and a controller, the placing plate is arranged at the upper part of the bottom box, the adjusting mechanism is arranged in the bottom box, the metering cylinder is arranged in the threaded ring, and the electronic level meter is arranged in the threaded ring. An electronic level meter is fixedly connected to the front side of the upper portion of the placing plate, and a controller is fixedly connected to the upper end of the front side outside the bottom box. Compared with the prior art, the metering device has the advantages that the adjusting mechanism is arranged, the first arc-shaped frame controls the fixing rod to swing front and back through the first motor, the second arc-shaped frame controls the fixing rod to swing left and right through the second motor, and therefore the metering cylinder can be adjusted at any angle; and the electronic level meter is matched to enable the metering cylinder to keep a horizontal state when the liquid is metered, so that the horizontal balance is automatically adjusted, the reading error is reduced, and the data precision is improved.

The utility model relates to electrical automation equipment technical field, and disclose adjustable angle's electrical automation equipment signal acquisition support, including base, the upper portion of base is provided with adjusting mechanism, adjusting mechanism includes electric revolving stage, the upper surface fixed connection of electric revolving stage has the connecting plate, the upper portion of connecting plate is provided with first double -shaft servo motor and second double -shaft servo motor respectively, the outer surface of first double -shaft servo motor power output end and the outer surface of second double -shaft servo motor power output end are fixedly connected with movable frame together. This adjustable angle's electrical automation equipment signal acquisition support, through first electronic level and first double -shaft servo motor cooperation, can automatically adjust the attitude of movable frame, compensates the unevenness of base mounting surface, through second electronic level and second double -shaft servo motor cooperation, can carry out accurate final level calibration to object table, ensures that signal acquisition equipment is in the best working posture.

The invention relates to the technical field of sensor verification, and particularly discloses an evaporation sensor verification device and method.The device comprises a verification table and a control box, a water storage tank, a test box and a water pump communicating the water storage tank with the test box are arranged in the verification table, the water storage tank is provided with a water level gauge, and the top of the water storage tank is provided with a standard evaporator installation base and a tested evaporator installation base; a control circuit board and an electronic leveling instrument are arranged in the control box, and the circuit board is electrically connected with all the components. The method comprises the steps that the standard evaporator emits 80GHz wave beams to measure the liquid level, the water pump controls the water level change, standard and tested instrument data are synchronously collected, and multiple test points are measured and transmitted to the display screen. The problems that an existing device is low in precision, poor in stability and complex in operation are solved. The radar type standard evaporimeter is adopted to measure the liquid level, errors are reduced, the multiple measured evaporimeter installation bases improve the verification efficiency, and the device is suitable for efficient and accurate verification of the evaporation sensor.

This utility model relates to the field of sheet pile guiding control technology, specifically a straightness control device for U-shaped sheet pile construction. It provides a straightness control device for U-shaped sheet pile construction, including a guide frame, positioning adjustment components, and follow-up limiting components. The guide frame is symmetrically equipped with positioning adjustment components for sheet pile straightness control, and the guide frame is also equipped with follow-up limiting components for assisting in adjusting the sheet pile position. By installing the connecting seat on the extrusion arm end of the pile driver, and using a hoisting method to move the sheet pile and keep it vertical before slowly lowering it; through the linkage control of the limiting wheels, guide rollers, electronic level, and electric push rod, real-time flexible control and adjustment of the sheet pile's sinking posture can be achieved, ensuring its vertical insertion to the specified depth; and for continuous parallel pile driving operations, through the guidance of the guide frame and the adaptive deployment of the limiting wheels, precise alignment and synchronous sinking of adjacent sheet piles can be achieved, thereby effectively improving the construction efficiency and quality of sheet piles.

A device for measuring the eccentric angle of an automobile steering wheel relates to equipment for determining the deviation angle through centering detection of the automobile steering wheel and a front wheel and comprises a sliding groove pulling plate, an electronic level meter and a steering wheel clamping groove, the sliding groove pulling plate comprises a lower pulling plate, a left clamping groove, a right clamping groove, an upper sliding plate and a lower pulling plate plug, and the right clamping groove is fixedly formed in one end of the upper sliding plate; the lower pulling plate is arranged in the lower sliding plate clamping groove in a sliding mode, and a left clamping groove and a lower pulling plate plug are fixedly arranged at the tail end of the lower pulling plate. The electronic level meter comprises an electronic level meter button, an electronic level meter fixing knob and an electronic level meter; the electronic level meter is arranged in the sliding chute of the upper sliding plate in a sliding manner; the steering wheel clamping groove comprises a left clamping groove, a right clamping groove, a clamping screw rod, a steering wheel pressing plate and a screw rod knob; according to the invention, the problems of easy omission of tools, many splicing actions, easy damage of fixed parts and inaccurate eccentricity measurement results in the existing manual simple tool measurement are solved, and the problems of higher cost caused by the need of various devices for measuring the steering wheel by adopting a steering force meter and only measurement of a single type of vehicle steering wheel are solved; the method has the advantages that a single tool is used for measurement, steering wheels of different sizes can be adapted, the steering wheel deviation degree can be visually obtained, and accurate adjustment is facilitated.

The utility model provides a kind of temperature monitoring device for seamless construction of super-long structure, comprising, full brake trolley, fixed support, multidirectional rotating arm, electronic level, infrared thermal imager, controller, first mounting plate, fixed support top installs multidirectional rotating arm, fixed support bottom fixed full brake trolley, multidirectional rotating arm end fixed infrared thermal imager, fixed support is fixed electronic level and first mounting plate, first mounting plate is fixed controller, controller is connected with multidirectional rotating arm, electronic level.The utility model described in the temperature monitoring device for seamless construction of super-long structure realizes infrared thermal imager to obtain temperature data from different angles while conveniently pushing device to the required monitoring position, comprehensively grasps the temperature distribution of seamless structure of super-long structure.

The utility model belongs to the technical field of 3D printing, and particularly relates to a 3D printing platform automatic leveling device which comprises a machine table and a printing platform body installed above the machine table, and leveling mechanisms used for horizontal leveling are arranged at the four corners between the printing platform body and the machine table. The leveling mechanism comprises a lifting mechanism and an electronic level meter which are electrically connected, the lifting mechanism is longitudinally installed between the printing platform body and the machine table, the electronic level meter is installed at the bottom of the printing platform body, and the lifting mechanism enables one corner of the printing platform to be close to or away from one side of the machine table based on lifting. According to the utility model, the four groups of mutually matched electronic level meters and lifting mechanisms are additionally arranged, the levelness of the printing platform body is detected through the electronic level meters, meanwhile, the height of the printing platform body is adjusted through the lifting mechanisms, and after the electronic level meters are leveled, the lifting mechanisms stop lifting, so that the function of automatic leveling of equipment is realized.

The utility model provides an anti-unbalance loading caliper for container loading, which relates to the technical field of loading auxiliary equipment, solves the problems of potential personal safety hazard, inaccurate human eye observation and the like, and comprises an adjusting caliper, an energy storage bin, an electronic level meter and balancing equipment, the energy storage bin is arranged above the adjusting caliper, and the electronic level meter is arranged above the energy storage bin. The electronic level meter is arranged on the side edge of the adjusting caliper, the battery in the energy storage bin is electrically connected with the electronic level meter, and the balancing device is arranged at the other end of the adjusting caliper. When the reach stacker works, the position of the box body in the transverse direction of the truck can be determined directly by judging whether the chain rod leans against the side wall of the truck or not; or a signal lamp of the electronic level meter prompts and judges whether the device is horizontal; balanced loading of the containers can be completed only by one reach stacker driver, the link that personnel climb a truck to confirm is omitted, the unbalance loading problem of container open wagon loading is solved, the operation efficiency is improved, the operation time is saved, and the personal safety problem is avoided.

The invention discloses a subway station guide wall auxiliary construction device and method, and belongs to the field of subway construction.The subway station guide wall auxiliary construction device comprises two formworks corresponding to grooves, adjusting mechanisms are installed on the inner sides of the two formworks, leveling mechanisms are installed in the formworks, and supporting mechanisms are jointly installed on the surfaces of the leveling mechanisms and the surfaces of the adjusting mechanisms; through cooperative use of the devices, the threaded rods, the threaded cylinders and other structures are used for driving the formworks to move and adjusting the distance between the two formworks so that the distance can be better matched with the width of a groove, and after the form of the auxiliary construction device is adjusted based on the leveling mechanism and the adjusting mechanism, the levelness of the formworks is detected according to an electronic level meter; and according to the detection result, a corresponding pneumatic push rod is started to drive one side of an extension plate to move downwards, so that an elastic metal plate is bent, the extension plate rotates to support one side of the template, and the template is always kept horizontal with the inner bottom wall of the groove.

This utility model discloses a casing follow-up device for drilled piles in karst geological conditions, including symmetrically arranged I-beam rails and a moving mechanism located on them. Based on feedback from an electronic level, the lower seat is adjusted to a horizontal state via independently controlled lower hydraulic cylinders. The casing is then lifted by a crane to the center above the upper seat and inserted. A lower clamping mechanism holds the casing, while an upper hydraulic cylinder controls the upper seat to rise. The upper clamping mechanism holds the casing, and the lower clamping mechanism releases it. The upper and lower clamping mechanisms work alternately, with the upper hydraulic cylinder controlling the casing's descent. During casing docking, a servo motor controls the casing's rotation through the meshing of a drive gear and a gear ring seat, ensuring precise docking of the upper and lower casings. After casing construction at one station is completed, the wheel-driven vehicle moves along the I-beam rails to the next station, repeating the above construction process to complete the casing construction.

The invention relates to the technical field of building bridge supporting, in particular to a self-stabilizing multi-point bridge jacking device which comprises a mounting base. According to the self-stabilizing multi-point bridge jacking device, a bottom electronic level meter is arranged on an embedded bottom detection disc on the lower surface of a mounting base, and a top electronic level meter is mounted on the upper surface of a top supporting frame, so that the levelness of the base and the levelness of a supporting surface are monitored; the angle change of the jacking surface can be monitored in real time, so that data are accurately transmitted to a control computer, synchronous control is facilitated, and the operation is more convenient; a main hydraulic ejector rod is inserted into an opening in the upper end of a mounting base, an auxiliary hydraulic stable ejector rod is inserted into an opening in the lower end of a bottom side mounting cylinder, the lifting stroke can be increased, angle adjustment can be conducted according to needs, an independent control mode is adopted, operation is more diversified, and the application range is wider.

The application discloses an automatic leveling device and a control system thereof, and relates to the technical field of automatic control, which comprises a top plate and an adjusting assembly. A controller is arranged at the bottom front end of the top plate, and an electronic level is connected to one side of the controller. The adjusting assembly is arranged at the bottom of the four ends of the top plate. The adjusting assembly comprises a guide rod, a mounting seat, an electric push rod, a pressure sensor, a connecting plate and an infrared distance measuring sensor. When the levelness of the top plate is adjusted, the electronic level detects the inclination angle of the top plate first, and the detection data is read by a data reading unit in the controller. Then, the data is analyzed by a data calculation unit, and the required extension distance of each electric push rod is calculated. The electric push rod is controlled to work through a signal output unit, so that the horizontal angle of the top plate can be automatically adjusted, the top plate can be quickly and accurately leveled, the work efficiency is improved, and the labor cost is reduced.

The utility model relates to the technical field of air conditioner partition plates, and discloses an automatic correction device for air conditioner partition plate installation, which comprises an air conditioner partition plate body, a placing shell is placed at the bottom of the air conditioner partition plate body, a fixing assembly is arranged at the bottom of the placing shell, and a fixing shell is fixedly assembled on the inner wall of the placing shell. A motor is fixedly assembled on the inner wall of the fixing shell, and a lead screw is fixedly assembled on a power output shaft of the motor. When the placing shell is arranged at the bottom of the air conditioner partition plate body, the level of the air conditioner partition plate body is detected through the electronic level meter, and when the level of the air conditioner partition plate body is not in the horizontal plane, the electronic level meter can send signals to the lower set of sensors, so that a connecting plate can apply pressure to a lifting plate when being lifted; the air conditioner partition plate body is driven by the lifting plate to conduct angle adjustment, so that the air conditioner partition plate body is located on the horizontal plane during installation, and the automatic correction effect is achieved.

The utility model belongs to the field of highway construction, specifically relates to a highway engineering original road flat, longitudinal data quick extraction auxiliary device, and the device includes: base, track, measuring device, supporting device, quick -detachable connecting portion and automatic correction device, the side portion mounting of base track, supporting device swing joint is in base, automatic correction device installs in the lower part of base, the bottom of measuring device is provided with the mounting rod, the hole is seted up on base, the lower extreme of mounting rod passes through the hole on base and is connected with automatic correction device, one end of quick -detachable connecting portion is connected with mounting rod, and the other end is connected with supporting device, and the electronic level gauge is installed on measuring device. The device can avoid the influence of inertia or uneven road to equipment when running, can be automatic, keep the accuracy of measurement data.

The invention relates to a high-precision electronic level gauge mechanism, which relates to the technical field of level gauge production and application, and comprises a level gauge main body, a mounting mechanism and a supporting mechanism, the method and the device have the effects of realizing efficient and automatic measurement and high anti-interference performance. The mounting mechanism is arranged at the bottom end of the leveling instrument main body and comprises the mounting base, the mounting cylinder, the movable cavity, the driving mechanism, the bottom cavity and other components, and under mutual cooperation, the mounting cylinder can drive the leveling instrument main body to rotate at the top end of the mounting base, so that the surrounding environment is measured and positioned; the mounting stability between the leveling instrument main body and the mounting cylinder is improved by the driving mechanism in the movable cavity, so that the measurement error caused by inertia swinging in the rotating process of the leveling instrument main body is prevented, the measurement precision is effectively ensured, the anti-interference performance is high, the manual interference can be remarkably reduced, and the measurement precision and the working efficiency are improved.

The utility model relates to the technical field of buildings, and discloses a grooving machine for building walls, which comprises a grooving machine body, a sensor, an electronic level meter and a controller are fixedly assembled on the outer wall of the grooving machine body, a sliding groove is formed in the inner wall of the grooving machine body, a stress assembly is arranged on the inner wall of the sliding groove, and the stress assembly is fixedly assembled on the outer wall of the grooving machine body. A first motor is fixedly assembled on the outer wall of the grooving machine body. When the grooving machine is used for grooving a wall body, a worker places the grooving machine body on the outer wall of the wall body, an electronic level meter is used for detecting the horizontal angle, when the electronic level meter detects that the grooving machine body is in a horizontal state, a moving block can drive a connecting block and a limiting shell to move during moving, and then a controller sends out a signal; and after the second motor receives the signal, the power output shaft rotates, and the second motor drives the grooving cutter to rotate so as to groove the wall body, so that the grooving purpose is achieved.

The invention discloses a novel laser electronic level meter, and belongs to the technical field of horizontal measurement equipment. The control circuit board is integrated with an acceleration gyroscope sensor and an 8-bit or more single-chip microcomputer which realize data interaction; the stepping motor leveling mechanism comprises an X-axis stepping motor, a Y-axis stepping motor and corresponding connecting rods, and the laser emitting assembly is connected with the stepping motors through the connecting rods; the acceleration gyroscope sensor is parallel to the base and located in the center of the aluminum piece support. According to the invention, attitude data are collected through the acceleration gyroscope sensor, the single-chip microcomputer calculates a pitch angle and a roll angle through an attitude fusion algorithm, the stepping motor is driven to adjust the laser emission assembly according to attitude deviation, automatic and accurate leveling is realized, and the leveling precision can reach + / -0.005 degrees. The system has the characteristics of strong anti-interference capability, fast response speed, long service life and high flexibility, and is suitable for scenes of building construction, indoor decoration, precision installation and the like.

The utility model relates to building material installation technical field, and specifically is a kind of building material installation position horizontal calibration device, including shell, the shell top is passed through and is set with through slot, the through slot inside is provided with electronic level, the shell top both ends are provided with liquid level, the shell both ends are set with circular reserved slot, the circular reserved slot inside is provided with radium laser pen;The inside of the shell at through slot side is set with rectangular reserved slot, the rectangular reserved slot inside is provided with stand column;With integrated design, radium laser pen is set in the circular reserved slot of shell both ends, after placing shell on building material installation position, open radium laser pen and irradiate radium laser, can assist personnel to carry out horizontal detection to longer installation surface, electronic level is installed in through slot, when placing shell on building material installation position, can carry out horizontal detection to installation surface, and show inclination angle.

1. Name of this product design: Electronic Anping Eight-Wire Base. 2. Purpose of this design: For use in the base of an electronic level. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: a top view.

The invention discloses an automatic leveling device and a control system thereof, and relates to the technical field of automation control, the automatic leveling device comprises a top plate and adjusting assemblies, a controller is arranged at the front end of the bottom of the top plate, one side of the controller is connected with an electronic level meter, and the adjusting assemblies are arranged at the four ends of the bottom of the top plate; the adjusting assembly comprises a guide rod, a mounting base, an electric push rod, a pressure sensor, a connecting plate and an infrared distance measuring sensor. When the levelness of the top plate is leveled, the electronic level meter detects the inclination angle of the top plate at first, detection data are read by the data reading unit in the controller, then the data are analyzed through the data calculation unit, the telescopic distance needed by each electric push rod is calculated, and the levelness of the top plate is adjusted. And the electric push rod is controlled to work through the signal output unit, so that the horizontal angle of the top plate can be automatically adjusted, the top plate can be quickly and accurately leveled, the working efficiency is improved, and the labor cost is reduced.

The utility model discloses a dual-purpose bundled steel bar code ruler capable of being used under light spots, which comprises a bundled steel ruler and a bar code arranged on the bundled steel ruler and matched with an external electronic level gauge for use, and a sun shield is hinged to one side of the bundled steel ruler through a hinge; during measurement operation, if no light spot appears on the ruler surface of the bundled steel ruler, the sun shield is folded; if light spots with different light and shade appear on the ruler surface of the bundled steel ruler, the sun shield is unfolded, and a light shadow with consistent light and shade is formed on the ruler surface of the bundled steel ruler, so that normal reading of an external electronic level gauge is facilitated. According to the dual-purpose bundle steel bar code ruler capable of being used under the light spots, when the light spots with different brightness appear on the ruler surface of the bundle steel ruler, the sun shield hinged to the bundle steel ruler is unfolded, and light shadows with consistent brightness can be formed on the ruler surface of the bundle steel ruler, so that an electronic level can read normally.

The invention relates to the technical field of profile steel production and conveying, in particular to conveying equipment applied to a profile steel intelligent heat treatment production line, which comprises a horizontal conveying frame, an external overturning frame is movably assembled on the outer side of the horizontal conveying frame, and an electric control type overturning limiting frame is mounted on the inner side surface of the external overturning frame; bottom conveying rollers are installed in the horizontal conveying frame. According to the conveying equipment applied to the profile steel intelligent heat treatment production line, the outer overturning frame internally provided with an electric control type overturning limiting frame is movably assembled on the outer side of the horizontal conveying frame, and an upper conveying roller and a bottom conveying roller in the electric control type overturning limiting frame are matched; therefore, the upper end and the lower end of the plate are guided and limited, and guiding stability is greatly improved. An electronic level meter is installed in the electric control type turnover limiting frame, the turnover angle of the electric control type turnover limiting frame can be known in real time, and control is convenient.

The carving plate comprises a bearing shell, an electric supporting column is fixedly connected to the upper portion of the bearing shell, an electric column is slidably connected to the electric supporting column, a wear-resisting rope fixedly connected with a flat plate is arranged on the upper portion of the electric column, a mounting groove used for containing a quick release structure is formed in the surface of the flat plate, and the quick release structure comprises an in-plate spring arranged in the groove; a connecting block is fixedly connected to one side of the in-plate spring, firm fixing of the carving plate is achieved through cooperation of the pressing piece, the threaded column and the under-column spring, the elastic potential energy of the under-column spring can adjust the pressure in a self-adaptive mode, the carving plate or paper-cut materials are prevented from being damaged due to excessive extrusion, and it can be guaranteed that the carving plate does not displace when stressed; the horizontal state of the flat plate is monitored in real time by means of the electronic level meter, a physical inclination signal is converted into electronic data and synchronized to the display screen, visual feedback of the leveling state is achieved in cooperation with the state prompting lamp of the mounting strip, and meanwhile the working face is rapidly calibrated to be horizontal through linkage adjustment of the electric supporting column and the electric column.

Systems, apparatus, and methods for detecting levelness are disclosed. An electronic level can include one or more sensing elements configured to detect levelness of the electronic level. The electronic level can include a display including multiple output display elements arranged in an array that extends in a direction along a longitudinal axis of the electronic level and configured to display an indication of the levelness of the electronic level. The electronic level can include a controller coupled with the one or more sensing elements and the multiple output display elements. The controller may be configured to activate the one or more sensing elements to detect the levelness and activate one or more of the multiple output display elements to display the indication based on the levelness.

This utility model relates to the field of wall masonry technology and discloses a wall masonry mortar joint control ruler, including a base plate. Threaded holes are formed around the top surface of the base plate, and an adjustment component passes through the internal threads of each threaded hole. An electronic level is fixedly installed at the edge of the top surface of the base plate, a battery is fixedly installed on one side of the top surface of the base plate, and a control rod is fixedly installed in the center of the top surface of the base plate. This wall masonry mortar joint control ruler, through the setting of the measuring component and thickness control mechanism, uses a servo motor to drive the threaded screw to rotate, which in turn drives the sliding frame to adjust to the masonry height, so that the laser line of the reference laser is in contact with the top surface of the masonry block. Opening the electric push rod drives the adjustment laser to rise and fall. The adjustment laser is adjusted to the required mortar joint thickness according to the scale. Personnel then perform masonry work according to the laser beam spacing between the reference laser and the adjustment laser, achieving the effect of convenient control of mortar joints of different thicknesses.

The invention belongs to the technical field of level detection devices, and particularly relates to an electronic level detection and control device based on a salient point type electrode and conductive liquid, the electronic level detection and control device comprises a sensor unit, a signal processing unit and an output unit, the sensor unit comprises a sealed cavity and a salient point type electrode array, the sealing cavity is in a long strip shape, the two ends of the sealing cavity are slightly higher than the center of the sealing cavity, the salient point type electrode array is arranged on the inner surface of the top of the sealing cavity, the salient point type electrode array is composed of conductive salient points which are arranged in a discrete mode and insulated from one another, and conductive liquid is packaged in the sealing cavity. When the cavity inclines, the number of the salient point electrodes covered by the conductive liquid is changed in a step-type positive correlation mode, accurate and step-type change of loop resistance is caused, resistance change of the sensor unit is detected through the constant voltage source voltage division circuit, and continuous electric signals or digital signals proportional to the inclination angle are output through ACD sampling and microprocessor resolving. And the method has extremely high linearity and stability.

The application relates to the technical field of calibration, and discloses a rapid target calibration system which comprises a laser transmitter, a laser receiver, a prism, an information processor, a mounting frame and an electronic level, the laser transmitter is arranged at the top end of the mounting frame, the laser transmitter is a laser transmitter which can rotate and is internally provided with a five-prism laser emitting head, the prism is arranged at the top end of another mounting frame, and the laser receiving device is fixed at the two ends of a measured device through magnetic bases; three motors are simultaneously started to drive the threaded rods to rotate, the threaded rods are used to drive the telescopic rods to move along the inner wall of the mounting rod so that the top plate is moved to a proper height, the horizontal detection device is used to determine whether the top plate is horizontal, the three motors are respectively adjusted to make the top plate horizontal, the stability of the equipment and the accuracy of data are improved, the work efficiency is improved, the target calibration work has no special requirement for the site, and a helicopter can be freely parked.

The utility model relates to a verticality measuring device for a tundish nozzle. The verticality measuring device comprises a handheld part, a displacement part and a calibration part, the handheld part and the calibration part are arranged on the displacement part; the displacement part comprises a long plate, a motor, a lead screw, a lead screw nut and an electronic level meter; the motor is arranged at one end of the long plate, and the vertical plate is arranged at the other end of the long plate; one end of the lead screw is connected with an output shaft of the motor, and the other end of the lead screw is coupled with the vertical plate; the lead screw nut is arranged on the lead screw; the electronic level meter is arranged on the side wall of the long plate, and the signal output end of the electronic level meter is connected with the signal input end of the CPU. According to the utility model, the measuring precision and efficiency of the tundish nozzle are improved.