229results about "Fixed angles setting out" patented technology

The invention provides a prefabricated bridge pier column installation quality automatic evaluation method based on a three-dimensional laser point cloud. The prefabricated bridge pier column installation quality automatic evaluation method is used for measuring the perpendicularity of a high pier and the distance between pier columns. The method comprises the following steps: an unmanned aerial vehicle laser scanning system collects pier point cloud data according to an optimized flight path, and pre-processes the pier point cloud data to improve data quality; quickly segmenting the point cloud by using an improved adaptive octree and a machine learning algorithm, and extracting a pier point cloud; and based on the finely segmented point cloud, calculating the included angle between the center axis of the bridge pier and the plane normal of the capping beam and the coordinate of the center point of the top surface of the bridge pier to realize accurate evaluation of the perpendicularity of the bridge pier and the distance between adjacent bridge piers. The optimization of the flight path of the unmanned aerial vehicle is combined with the point cloud data preprocessing, so that the data quality can be effectively improved, and the data volume is reduced. Meanwhile, point cloud segmentation is performed by fusing an improved adaptive octree and a machine learning algorithm, so that piers, capping beams and backgrounds can be accurately distinguished, and geometric features of pier studs are completely extracted.

The invention discloses a vertical shaft construction measuring device, which relates to the technical field of laser measurement and comprises a laser plumb aligner main body, a chassis, a dial, a pointer, a laser plummet, a base and an adjusting knob. When laser measurement is carried out, a laser plummet is turned on firstly, a focused light spot directly irradiates a well bottom mark point, an initial position P1 is recorded, then a plurality of angles are rotated to record P2, P3 and P4, diagonal lines are connected to obtain a reference point, and the instrument is adjusted to enable the light spot to coincide with the reference point to complete calibration so as to measure shaft deformation. Stepped vibration induction is achieved through cooperation of a trigger block and trigger teeth, manual errors are avoided, meanwhile, friction force is increased through cooperation of a resistance block and a sliding rod, fine adjustment is assisted, in addition, through cooperation of a locking rod and a first connecting groove, the angle is locked under the gravity effect, position movement is prevented, and double-hand unlocking is achieved through cooperation of the connecting rod, a first magnetic block and a second magnetic block; safety specifications are compulsively met, and laser measurement accuracy is guaranteed through multiple measures.

The utility model belongs to the technical field of building construction, and particularly relates to a wallboard installation perpendicularity detection device which comprises a pair of measuring scales, and the middle parts of the measuring scales are fixedly connected with a pair of supporting plates; a fixing rod is fixedly connected to the middle of the supporting plate; the middle part of the fixed rod is rotationally connected with a round rod; the end part of the round rod is fixedly connected with a telescopic rod; the rotation adjustment of the round rod is used for assisting the extension of the telescopic rod, so that the preparation work time before measurement can be shortened, an operator can adjust and extend the telescopic rod after fixing one measuring ruler, the round rod controls the other measuring ruler to carry out measurement work, which measuring ruler is below does not need to be considered during measurement, and the measurement efficiency is improved. The two measuring rulers can be arranged at the lower part, and the influence on the measuring rulers can be reduced due to a pure mechanical structure, so that the measuring rulers work in a severe environment and provide a relatively accurate measurement data result.

The utility model discloses a verticality detection device for construction engineering, which relates to the technical field of construction engineering, and comprises a base, the right part of the top end of the base is fixedly connected with a handle, the front part and the rear part of the top end of the base are fixedly connected with support frames, and the middle part of the inner cavity of the base is fixedly connected with an adjusting mechanism. The top end of the base is slidably connected with a detection mechanism, and the top of the supporting frame is rotatably connected with a balance mechanism. According to the perpendicularity detection device for the construction engineering, the first motor is started to drive the first threaded rod to rotate, the first sliding block slides on the outer wall of the first threaded rod, the first sliding block drives the fixed frame to move synchronously, and therefore the fixed frame gets close to the wall surface, and when the outer wall of the roller makes contact with the wall surface and the telescopic rod and the spring contract for a certain distance, the fixed frame can move synchronously. At the moment, data, measured by the distance measuring instrument, between the distance measuring instrument and the mounting frame are recorded, and therefore the adjusting effect is achieved.

The invention relates to the field of material sampling and testing, in particular to a drilling and coring device for bridge pile foundation detection and a control method of the drilling and coring device. An infrared distance meter is mounted on a vertical rod of a sliding block on an annular guide rail on the base; the sampling barrel penetrates through the sleeve, the bottom end of the sleeve is connected with the base, a hydraulic cylinder of the hydraulic equipment is hinged to the base, a blocking piece hinged to the top end of a piston rod of the hydraulic equipment abuts against the top end of the sleeve, an annular groove is formed in the outer wall of the top end of the sleeve, and a pressure sensor is installed between the blocking piece and the annular groove. A processor is mounted in a box body on the base; in the drilling and coring process, the sliding block moves along the annular guide rail, the processor collects data output by the infrared distance meter and the pressure sensor and obtains the deviation direction and the deviation angle of the sampling barrel, and the pressure of the hydraulic equipment is adjusted according to the deviation direction and the deviation angle. The problem that the sampling barrel cannot automatically rectify deviation in real time when the solid material to be analyzed is sampled, drilled and cut is solved.

The utility model provides a wall verticality detection device, which belongs to the technical field of building detection tools. The wall verticality detection device includes a ruler body, a pendulum assembly and an angle measurement assembly. A hand-held part is provided on the ruler body; the pendulum assembly includes a U-shaped bracket, a winding part and a plumb bob, the bracket is fixed to one end of the ruler body, and the winding part is installed on the bracket to wind up and adjust the height of the plumb bob; the angle measurement assembly includes a back plate, an angle ruler and a laser emitter, the back plate is fixed to the bracket, the angle ruler is installed on the back plate, a shaft rod is rotatably provided on the back plate, and the laser emitter is installed on the shaft rod. The laser emitter on the shaft rod is rotated so that the light emitted by the laser emitter is parallel to the wall surface. At this time, the offset angle of the laser emitter observed according to the angle ruler is the inclination angle of the wall, that is, the wall verticality detection device can detect the approximate inclination angle of the wall, which is more accurate than the traditional vertical ruler detection.

The invention relates to the technical field of pier perpendicularity measurement, and discloses a large-batch pier perpendicularity automatic detection method based on ground three-dimensional scanning, comprising the following steps: S1, arranging a three-dimensional laser scanner and a target ball, and registering single-site cloud collected by the three-dimensional laser scanner based on the target ball to obtain bridge and environment point cloud; the method comprises the steps of S1, extracting bridge point cloud, S3, segmenting the point cloud to obtain a local coordinate system, S4, extracting bridge pier point cloud, and S5, judging the shape of the cross section of the bridge pier; and S6, detecting the perpendicularity of the bridge pier. Therefore, the continuous high-precision bridge pier axis can be fitted by collecting a large amount of point cloud data, and the perpendicularity is calculated through the included angle between the axis equation and the vertical direction by fitting the centroid coordinates of all the point cloud slices of the bridge pier and aiming at different bridge pier section contours, so that the accuracy of the measured data is higher; in addition, the bridge pier point cloud is automatically segmented in a large bridge, and batch detection of the bridge piers is realized.

The application provides a high pier verticality detection device and method based on laser scanning, and belongs to the technical field of high pier verticality detection. The device comprises a meandering inner frame, a plurality of groups of rollers are uniformly arranged around the meandering inner frame, the meandering inner frame can be synchronously expanded or reduced in size in all directions, a meandering outer frame is arranged on the outside of the meandering inner frame, a plurality of positioning members are uniformly arranged between the meandering inner frame and the meandering outer frame, so that the distance between the meandering outer frame and the meandering inner frame remains unchanged when the meandering outer frame moves up and down with the meandering inner frame, a laser emitter is arranged at the bottom corners of the meandering outer frame, a meandering bottom frame is arranged horizontally on the ground, a laser receiving plate is arranged at the four corners of the meandering bottom frame, the center of a plurality of annular scale lines is arranged opposite to the laser emitter above, and a driving member is used for driving the plurality of groups of rollers to rotate synchronously and lock at any position after rotation. The application can detect the verticality of the high pier in a convenient, safe and high-precision manner.

The invention relates to a perpendicularity measuring device. The perpendicularity measuring device comprises a shell provided with an inner cavity. The shell comprises a first end and a second end which are oppositely arranged in a first direction; the hanging assembly comprises a hanging piece and a heavy hammer, the heavy hammer is located at the position, close to the second end, of the inner cavity, one end of the hanging piece is connected to the side wall, close to the first end, of the inner cavity, and the other end is connected with the heavy hammer; the multiple groups of measuring assemblies are sequentially arranged on the shell at intervals in the first direction; the measuring assembly comprises a first measuring piece arranged outside the shell and a second measuring piece arranged on the side wall of the inner cavity and opposite to the first measuring piece, the first measuring piece is used for measuring the distance between the first measuring piece and the to-be-measured object, and the second measuring piece is used for measuring the distance between the second measuring piece and the hanging piece; and the processor is arranged in the shell, is in communication connection with the plurality of groups of measurement assemblies and is used for receiving and processing measurement data output by the plurality of groups of measurement assemblies. The perpendicularity measuring device provided by the invention is high in measuring precision and convenient to operate.

The utility model discloses a wall verticality detection device for constructional engineering, which comprises a base, a lower infrared distance meter is embedded in one side of the base, and an upper infrared distance meter which can be lifted and is positioned on the same vertical plane with the lower infrared distance meter is arranged above the base; a balance assembly is arranged at the bottom of the base and comprises two fixed supporting columns and two lifting supporting columns which are arranged at the bottom in a rectangular array mode, and the balance assembly further comprises a gyroscope module which is arranged in the base and used for determining the lifting state of the lifting supporting columns.

The utility model relates to the technical field of constructional engineering, in particular to a constructional engineering perpendicularity detection device which comprises a placing plate, a right-angle plate is arranged below the placing plate, the placing plate is placed on the top of a wall, light emitted by a first laser lamp serves as a reference object for calibration to replace a rope, and the perpendicularity of the constructional engineering is detected. The right-angle plate is attached to the position, below the placement plate, of the wall surface, and the balance weight ball is arranged at the bottom of the inner wall of the horizontal ball, so that the measuring rod above the horizontal ball is always in a horizontal state under the action of the weight of the balance weight ball; according to the technical scheme, whether the position of the measuring rod irradiated by the light emitted by the first laser lamp deviates or not can be judged, and in this way, the problem that when paying off is conducted on a high wall, due to the fact that the length of a defense line is increased, time needed by the defense line is prolonged, and trouble is caused can be effectively solved.

The invention discloses an unmanned aerial vehicle building wall surface detection system and method based on dynamic coordinate recognition, and relates to the technical field of building detection, the system comprises a ground control station, an unmanned aerial vehicle body, a coordinate recognition mechanism, a coordinate positioning mechanism and a detection mechanism, the detection mechanism is arranged at the top of the unmanned aerial vehicle body, and the coordinate positioning mechanism is arranged at the bottom of the unmanned aerial vehicle body; the coordinate recognition mechanism comprises a workbench, height-adjustable supporting legs, a first tilt angle sensor and a photoelectric sensor, the unmanned aerial vehicle body is provided with a second tilt angle sensor and a controller, and the control system and the controller are each provided with a timing module. The control system comprehensively compares time information of the two timing modules, wall surface information and height information collected by the detection mechanism and coordinate information recognized by the coordinate recognition mechanism, screening of wall surface detection information is achieved, and a perpendicularity curve and a flatness graph of the wall surface are drawn according to qualified data obtained after screening.

The invention provides a high bridge pier perpendicularity detection device and method based on laser scanning, and belongs to the technical field of high bridge pier perpendicularity detection.The high bridge pier perpendicularity detection device comprises a concentric-square-shaped inner frame, the concentric-square-shaped inner frame is evenly provided with multiple sets of idler wheels along the periphery, and the concentric-square-shaped inner frame can be synchronously expanded or shrunk towards the periphery to adjust the size; the concentric-square-shaped outer frames are arranged on the outer side of the concentric-square-shaped inner frame at intervals; the multiple sets of positioning pieces are evenly arranged between the concentric-square-shaped inner frame and the concentric-square-shaped outer frame, so that when the concentric-square-shaped outer frame moves up and down along with the concentric-square-shaped inner frame, the distance between the concentric-square-shaped outer frame and the concentric-square-shaped inner frame is not changed. The laser transmitters are arranged at four corners of the bottom of the concentric-square-shaped outer frame; the concentric-square-shaped bottom frame is used for being horizontally arranged on the ground. The laser receiving plates are arranged at the four corners of the concentric-square-shaped bottom frame, and the centers of the multiple circles of annular scale marks are arranged right opposite to the laser emitters above; and the driving piece is used for driving the plurality of groups of rollers to synchronously rotate and lock to any position after rotation. According to the invention, the verticality of the high bridge pier can be detected in a convenient, safe and high-precision manner.

The invention relates to the technical field of building construction, in particular to a steel structure perpendicularity rapid detection device and method.The steel structure perpendicularity rapid detection device comprises a detection base and a restraining assembly, a steel structure magnetic attraction block is installed on one side of the detection base through bolts, and two cantilever rods are horizontally and symmetrically arranged on the side, away from the steel structure magnetic attraction block, of the detection base; the light beam module is adopted to replace a vertical line of a traditional plumb bob, when the light beam module is matched with a ruler to measure different heights of a steel structure stand column, numerical value reading is accurate and clear, meanwhile, the spherical shell is controlled to be matched with two arc-shaped clamping plates of the disassembling and assembling assembly, self-adaptive rapid vertical adjustment can be conducted on the light beam module, and then under the matching effect of the restraining assembly, the height of the steel structure stand column is measured. The vertical posture stability of the light beam module is restrained, external interference is avoided, the detection and measurement precision is improved, in addition, the conical balancing weight can be blocked when not used by shifting the protection plate, and operation is free of worry and convenient.

The present application relates to the field of concrete pouring slip form control, especially to a rectangular channel concrete pouring slip form path tracking control method. The method comprises: obtaining design drawings and cooperating with total station and level, completing center line side line marking and guide rail installation position measurement, combining channel steel guide rail installation and elevation correction to form guide rail allowable deviation record; completing steel form assembly, support and pull rod adjustment, and connecting and reinforcing the pull water stop screw, forming the form reinforcement record; implementing layered symmetrical pouring, alternate pouring and slip form displacement, and generating slip form displacement record; carrying out laser leveling instrument leveling dotting, level and transparent horizontal tube horizontal monitoring, and control point and large line verticality detection, forming verticality detection record. The present application connects the slip form displacement and detection process in the form of record, improves the continuity and reviewability of path tracking control, and enhances the stability of the rectangular channel concrete pouring slip form construction process.

The utility model relates to a road bridge perpendicularity detection device in the technical field of road bridge detection, which comprises a trolley, an installation platform arranged on the trolley, a leveling structure arranged between the installation platform and the trolley, a detection part arranged on the installation platform, and a sliding connection between the detection part and the installation platform through a connecting plate. The trolley is arranged to conveniently move on a road bridge, perpendicularity of different positions of the bridge is detected, the leveling structure is arranged between the mounting platform and the trolley to level the mounting platform, inaccurate detection results caused by uneven road surfaces are prevented, a connecting plate of the detection part is in sliding connection with the mounting platform, and detection accuracy is improved. The detection part is attached to the surface of a bridge member, such as a pier of a bridge and a guardrail of the bridge. A plurality of electric push rods support the mounting platform, and when the ground is uneven, the mounting platform is adjusted by adjusting the expansion and contraction amount of the electric push rods, so that the influence on detection caused by pit inclination of the road surface is prevented.

The utility model belongs to the technical field of building detection equipment, and particularly relates to an internal and external right angle detection ruler for house safety detection, which comprises a main ruler and an auxiliary ruler, one end of the main ruler is recessed inwards to form an accommodating groove for accommodating the auxiliary ruler, one end of the auxiliary ruler is provided with a rotating shaft, and the auxiliary ruler is rotatably connected with the main ruler through the rotating shaft; third grooves are oppositely formed in the two side walls of the containing groove, a telescopic assembly is arranged in each third groove, a plurality of clamping strips are arranged at the telescopic end of each telescopic assembly, the telescopic assemblies drive the clamping strips to be close to or away from the auxiliary ruler in a telescopic mode, clamping plates are arranged on the two side walls of the auxiliary ruler respectively, and the clamping plates abut against any clamping strip in a clamped mode. The telescopic assembly is arranged to drive the clamping strip to stretch out and draw back, and the clamping strip stretches out of the third groove and abuts against the clamping plate on the auxiliary ruler in a clamped mode, so that the auxiliary ruler is higher in stability and not prone to deviation in the measuring process, and then the measuring precision is higher; and through the arrangement of the storage groove, the auxiliary ruler can be conveniently stored.

The application discloses a verticality monitoring device for PHC precast pipe pile and relates to the technical field of pile foundation construction. The technical scheme is characterized by comprising a detection mechanism, wherein the detection mechanism comprises a stabilizing ring frame for sleeving on the pipe pile, multiple groups of measuring needles which are uniformly arranged on the stabilizing ring frame, and multiple groups of feedback components connected with the measuring needles; when the device is in a monitoring state, the measuring needles are in contact with the outer surface of the pipe pile; the feedback components are signal-connected with an integrated module, and the integrated module is provided with an alarm; when the pipe pile is inclined, the corresponding side measuring needle triggers the feedback component, so that the feedback component transmits a signal to the alarm to give an alarm. In the pile sinking process, the stabilizing ring frame is arranged on the periphery of the pipe pile, and multiple groups of measuring needles which are in contact with the outer surface of the pipe pile are arranged on the stabilizing ring frame. When the pile body is inclined in the pile sinking process, the measuring needles trigger the feedback components to give a signal alarm to the alarm, so that the verticality of the pile body can be adjusted, and the pile sinking construction efficiency is improved.

The utility model discloses a building construction pile auxiliary detection device which comprises a contact mechanism, a connecting mechanism and a detection mechanism, the contact mechanism is fixedly installed at one end of the connecting mechanism, and the detection mechanism is movably installed at the other end of the connecting mechanism. The detection mechanism comprises a mounting sleeve, a detection rod, a first horizontal bubble and a second horizontal bubble, the first horizontal bubble is mounted at the contact mechanism, and the first horizontal bubble is used for detecting the mounting levelness of the contact mechanism. The contact seat and the mounting sleeve are adjusted to be in a horizontal state, then the ejector block of the detection rod is ejected to the surface of the pile, the extension length of the detection rod can be converted into perpendicularity data of the pile, and a user can quickly judge the perpendicularity of the pile by observing scales on the detection rod; the device is simple and convenient to operate, can quickly detect the perpendicularity of the pile, and is convenient for a user to detect the perpendicularity of the pile.

The utility model relates to a kind of verticality control device of earth and rockfill dam monitoring instrument pipe body, and the device includes sleeve, adjustable support assembly, spacing adjustment rod and vertical monitoring unit;Two sleeves are equipped with, for respectively clamping two pipe bodies, the opening of sleeve is rotatable adjustment, to adapt and lock the pipe body of different pipe diameter;Adjustable support assembly includes several support rods along the circumferential interval of sleeve uniform distribution;Spacing adjustment rod is connected between two sleeves, and spacing adjustment rod is equipped with multiple hole positions on it, and the spacing between two sleeves can be adjusted and fixed by inserting pin or bolt through different hole positions;Vertical monitoring unit is located on sleeve, for monitoring the verticality of sleeve or its clamped pipe body and outputting data.The device can quickly and efficiently correct the pipe body inclined due to various factors, so that it recovers verticality.The overall structure of the device is simple, uses ordinary materials, has low cost, can reduce manual intervention, reduce labor intensity and economic loss.

The utility model provides a device for detecting template verticality, which comprises a supporting piece, a sliding piece and a measuring piece, the supporting piece is arranged on one side of a template to be detected, the sliding piece is arranged on the supporting piece and can move up and down along the supporting piece, the measuring piece is arranged on the sliding piece and can move up and down along the supporting piece, and the measuring piece is arranged on the sliding piece and can move up and down along the supporting piece. The horizontal distance measuring device is used for measuring the horizontal distance between the different heights of the supporting piece and the to-be-measured template. The vertical template verticality detection device has the advantages that an operator can detect the verticality of a vertical template without climbing, the operation is convenient, the measurement time is shortened, the working efficiency is improved, the potential safety hazard is reduced, multi-point measurement is carried out by adopting the range finder, the measurement error is reduced, the verticality detection precision of the vertical template is ensured, and the working efficiency is improved. And the construction quality is improved.

A wall corner angle measuring device, comprising an operating plate (3) and a vertical plate (5), characterized in that the operating plate (3) is provided with a first operating plate (31) and a second operating plate (32) hingedly matched with each other; the first operating plate and the second operating plate are both three-section hinged plates with different lengths, the end of the hinged plate with the smallest length of the first section is connected through a connecting pin, a semicircular protractor plate (4) is arranged on the upper surface of the first operating plate with the shaft pin (6) as the center, a positioning mark (41) line matched with the protractor plate is arranged on the second operating plate, so as to read the angle value on the protractor plate; the vertical plate is a long strip plate, one end of the long strip plate is provided with a through hole, and the middle part of the long strip plate is provided with a long strip groove serving as a sliding groove (51). The wall corner angle measuring device has the advantages of simple measuring device structure, convenient manufacturing, direct measurement of small wall corner angles using a protractor, simple operation and direct obtaining of measurement results.

The utility model discloses a pile body perpendicularity detection device for a pile foundation, and particularly relates to the technical field of detection of perpendicularity of a precast pile body and a cast-in-place pile counter bore, the pile body perpendicularity detection device comprises an n-shaped support, auxiliary plates are fixedly connected to the left side and the right side of the n-shaped support, and a detection assembly is connected to the interior of the n-shaped support. The device comprises an n-shaped support, grooves are formed in the inner walls of the left side and the right side of the n-shaped support, a movable plate is jointly and movably connected between the two grooves, a first hydraulic pump is fixedly installed at the rear end of the inner wall of the top side of the n-shaped support, the output end of the first hydraulic pump is fixedly connected with the movable plate, and two second hydraulic pumps are fixedly connected to the bottom of the movable plate. And the output ends of the two hydraulic pumps II are fixedly connected with column piles. According to the device for detecting the perpendicularity of the pile body of the pile foundation, the perpendicularity of a precast pile and a cast-in-place pile can be determined by observing horizontal bubbles in time in the piling process through the detection assembly and the linkage assembly.

The utility model relates to the technical field of house measurement, in particular to a house perpendicularity measuring structure which comprises a first ruler body and a second ruler body which are hinged together, T-shaped grooves are formed in the positions, close to the rear edges, of the upper ends of the first ruler body and the second ruler body, and a T-shaped block is attached to the inner wall of one T-shaped groove in a sliding mode. The upper end of the T-shaped block is symmetrically and fixedly connected with connecting rods, the positions, close to the upper edges, of the outer walls of the two connecting rods are jointly and slidably sleeved with a concave block, elastic assemblies are arranged between the concave block and the two connecting rods, the upper end of the concave block is fixedly connected with a U-shaped plate, and the rear portion of the U-shaped plate is connected with a concave plate through the elastic assemblies. A feeler gauge is attached to the inner wall of the concave plate. The folding guiding rule and the feeler gauge can be combined for use and do not need to be taken and placed separately for use, the feeler gauge can move along with the folding guiding rule when the folding guiding rule is moved, and the feeler gauge can be always kept in a preparatory working state, so that convenience is brought to detection work.

The invention relates to the technical field of silo conical shell construction, in particular to a silo wall perpendicularity and elevation detection device and method for silo slip form construction, and the device comprises a reference module which comprises a central reference point and an infrared ground reference point, the central reference point is arranged at the central position of the bottom of a silo and is used for providing a space coordinate origin, and the infrared ground reference point is arranged at the central position of the bottom of the silo; the infrared ground datum point is arranged at the bottom edge of the silo and is used for providing an elevation datum; the three-dimensional data acquisition module is suspended in the central area of the sliding formwork operation platform through the leveling mechanism and is used for scanning and acquiring three-dimensional point cloud data and elevation data of the inner wall of the warehouse wall in real time; the control center is in communication connection with the three-dimensional data acquisition module and the leveling mechanism; and the leveling mechanism adjusts the spatial position of the three-dimensional data acquisition module based on the correction instruction, so that the measurement center of the three-dimensional data acquisition module is centered at the central reference point. And through real-time data acquisition, accurate deviation analysis and automatic position calibration, the construction quality of the silo is ensured.

The utility model relates to the technical field of detection devices, and discloses a verticality detection tool comprising a folding sleeve ruler assembly which comprises a first sleeve ruler and a second sleeve ruler. A range finder is arranged at the front end of the lifting block; and the lifting assembly comprises an equipment box, a coiling unit is arranged in a cavity of the equipment box, and the coiling unit comprises a rotating shaft. The first ruler set and the second ruler set are folded through the hinge, carrying after folding is facilitated, the lifting block drives the range finder to synchronously move in the moving process to conduct perpendicularity detection on the wall face, the lifting block is driven to move through the lifting assembly, and therefore movement of the range finder is completed; compared with a traditional mode, the device is more accurate in measurement and convenient to record, and compared with the prior art, the device is convenient to carry and can detect higher wall height.

The utility model provides a drill rod perpendicularity detection device for geotechnical engineering drilling construction. The drill rod perpendicularity detection device comprises a base, a sliding table, a sliding block and a distance measuring component. A positioning hole coaxial with the drill hole is formed in the base; the sliding table is in transmission connection with a driving component for driving the sliding table to move around the positioning hole; the sliding block is slidably connected to the sliding table, and an elastic piece is arranged between the sliding block and the sliding table. The sliding block is provided with a probe rod extending towards the central axis of the positioning hole; the distance measuring component is fixedly arranged on the sliding table, the direction of the distance measuring component is parallel to the sliding direction of the sliding block, and the distance measuring component faces the sliding block so that the moving distance of the sliding block can be detected. During use, the sliding table is driven by the driving component to move, and meanwhile, the feeler lever abuts against the peripheral face of the drill rod; if the drill rod is inclined, the numerical value obtained by the distance measuring component changes. According to the drill rod perpendicularity detection device for geotechnical engineering drilling construction, the perpendicularity of the drill rod relative to the construction surface can be detected in real time, and the reliability of the detection result is ensured.

This invention belongs to the field of construction surveying technology and discloses a method and system for measuring the verticality of steel pipe columns used in pipe column construction. The method includes: real-time acquisition of reflective surface distribution data and ambient light intensity data at the construction site, and dynamic adjustment of the laser pulse parameters of the total station; dynamically setting a signal reception time window based on the laser pulse parameters to receive reflected signals; removing non-prism reflection signals from the reflected signals to obtain valid signals; precisely filtering interference signals from the valid signals to obtain the target signal; performing signal quality analysis on the target signal to determine whether feedback optimization is needed; if so, optimizing the laser pulse parameters and signal reception time window; otherwise, calculating the verticality of the steel pipe column. This invention not only significantly improves measurement accuracy but also enhances the system's adaptability and autonomy, thereby achieving efficient steel pipe column verticality measurement and improving engineering safety and construction efficiency.

The invention discloses a bridge pier column detection device, and relates to the technical field of bridges, the bridge pier column detection device comprises a cabinet, an access door arranged on the cabinet, detection equipment arranged on the cabinet, an adjusting device arranged on the cabinet, a convenient device arranged on the cabinet, and a moving device arranged on the cabinet, the gradienter is fixedly connected to the outer wall of one side of the case. Whether the device is in a horizontal state or not is checked through a gradienter, in a non-horizontal state, a first worm is rotated by rotating a rotating disc, the first worm rotates to drive a first worm wheel to rotate, the first worm wheel rotates to drive a first threaded rod to rotate, the first threaded rod rotates to drive a sliding block to move, and the sliding block moves to drive a supporting rod to move; the supporting rod moves to drive the sliding frame to move, the sliding frame moves to drive the supporting plate to move, different heights of the two sides of the case are adjusted, the whole device is horizontally adjusted, and the device is suitable for different sites to avoid the situation that the accuracy of detection data is affected by an uneven state.

This invention discloses a method, system, and core drilling rig for detecting the verticality of a core barrel. The method includes the following steps: establishing an attitude angle model of the core barrel; acquiring real-time torque values ​​of the core barrel during drilling; determining the drilling attitude of the core barrel during drilling; and synchronously inputting the acquired real-time torque values ​​of the core barrel into the attitude angle model to obtain the verticality status of the core barrel during drilling. This invention synchronously inputs the real-time torque values ​​of the core barrel into the established attitude angle model and compares and analyzes different drilling attitudes of the core barrel during drilling to obtain the verticality status of the core barrel during drilling. This allows for the acquisition of verticality detection data for the entire drilling process, achieving dynamic detection of the core barrel during drilling and offering the advantage of high detection accuracy.