62 results about "Construction surveying" patented technology

The invention relates to the technical field of computers, and discloses a GIS-based highway construction measurement data intelligent processing system and method, and the system comprises a measurement area modeling module which is used for building three-dimensional space representation of a measurement area according to an input digital elevation model and road space information; the candidate point generation module is used for determining a plurality of control point candidate positions meeting layout conditions based on the three-dimensional space representation; the visibility analysis module is used for generating visibility associated data based on the spatial relationship between the control point candidate position and the key point of the measurement area; and the optimization decision module is used for constructing a constraint model and an optimization target of control point layout based on the visibility associated data. By introducing three-dimensional modeling, visibility analysis and error optimization technologies, automation, precision and high efficiency of a control point layout scheme are realized, and the measurement precision and the construction efficiency are effectively improved.

The utility model discloses an all-directional angle measurement engineering construction measuring device, which relates to the technical field of engineering surveying, and comprises a triangular bracket, a placing seat is arranged on the triangular bracket, a theodolite main body is rotatably arranged on the placing seat, an observation eyepiece is arranged in the middle of the upper end of the theodolite main body, and an observation lens is arranged on the observation eyepiece. According to the theodolite disclosed by the utility model, through the synergistic effect of the bidirectional threaded rod, the sliding piece, the adjusting block and the clamping plate in the adjusting assembly, the angle of the observation eyepiece can be accurately fixed, and in engineering construction measurement, the observation eyepiece can be accurately adjusted, so that the measurement accuracy is improved, and the measurement precision is improved. And the device can ensure that the angle of the observation eyepiece cannot be changed due to external force interference or self-looseness in the measurement process, so that the accuracy and the reliability of measurement data are ensured, and a reliable measurement basis is provided for construction engineering.

The utility model belongs to the technical field of measuring devices, and particularly relates to a bridge construction measuring device which comprises a bearing table, a measuring instrument is installed on the bearing table, a rotating disc is sleeved on the bearing table, a supporting rod is in threaded connection with the rotating disc, a sleeve rod is sleeved on the supporting rod, a base is rotatably arranged on the sleeve rod, locking assemblies are arranged on the supporting rod and the sleeve rod, and an annular groove is formed in the rotating disc. The annular groove is rotatably provided with an I-shaped ring, the I-shaped ring is in threaded connection with a connecting ring, the connecting ring is fixedly provided with a mounting ring, the mounting ring is provided with a mounting groove, the mounting groove is rotatably provided with an auxiliary supporting rod, the auxiliary supporting rod is provided with a sliding groove, the sliding groove is slidably provided with an extending supporting rod, the auxiliary supporting rod and the extending supporting rod are provided with adjusting assemblies, and the extending supporting rod is provided with a supporting piece. The base tightly abuts against the inclined bridge floor, then the locking assembly is removed, the extension supporting rod slides to be inserted into the bridge floor, the locking assembly is closed, the inclined bridge floor of the measuring instrument can be supported, and follow-up construction of the bridge is facilitated.

This invention belongs to the field of construction surveying technology and discloses a laser measurement and control system for tower-type vertical kiln masonry based on cross-shaped control lines. By acquiring temperature field distribution and dust concentration data along the laser propagation path, a dual compensation mechanism for refraction offset and scattering attenuation is constructed to achieve accurate measurement of the center point coordinates and high-precision establishment of four-directional foundation measurement and control line groups. This invention employs a blind zone intelligent identification mechanism, using the extreme values ​​of deformation modes corresponding to each harmonic component as the basis for blind zone determination. Through adaptive supplementation of measurement and control lines and minimum area circle fitting calculations, it accurately evaluates and generates masonry correction commands. This invention also establishes a layered vertical sequence of circle center coordinates, combines circumferential statistical methods to identify systematic trend offsets, triggers a benchmark re-measurement process, and effectively controls cumulative errors. This invention is comprehensive and accurate, enabling full-link measurement and control and quality assessment of the vertical kiln masonry process, effectively ensuring that the verticality and roundness of the kiln body meet design requirements.

The application belongs to the technical field of construction surveying, and discloses a tower type shaft kiln masonry laser measurement and control system based on cross control lines; by acquiring temperature field distribution and dust concentration data on the laser propagation path, a refraction offset and scattering attenuation double compensation mechanism is constructed to realize accurate measurement of the central point coordinates and high-precision establishment of the four-directional basic measurement and control line group; the application takes the deformation modal extreme position corresponding to each harmonic component as the basis for blind area judgment through the use of an intelligent blind area recognition mechanism, and through adaptive supplementary measurement and control lines and minimum area circle fitting operation, the masonry correction instruction is accurately evaluated and generated; the application also establishes a layered circle center coordinate vertical sequence, identifies the systematic trend deviation in combination with the circular statistical method, triggers the reference re-measurement process, and effectively prevents and controls the cumulative error; the application has comprehensiveness and accuracy, can perform full-link measurement and control and quality evaluation on the shaft kiln masonry process, and effectively ensures that the kiln body perpendicularity and roundness meet the design requirements.

The invention provides a dock and wharf comprehensive repair construction method, belongs to the technical field of repair construction, and is suitable for dock and wharf engineering repair which is long in service life and serious in structure corrosion and damage. According to the method, a series of technical problems such as abrasion of a bottom plate of an old dock, corrosion of a dock wall, failure of a pull rod, damage of a dock structure and the like are solved through systematic construction measurement and deformation monitoring, divided dock structure repairing, dock dredging and structure reinforcing, floating dock construction and supporting facility repairing; efficient and safe repair of the old port hydraulic structure is achieved, the overall bearing capacity of the structure is improved, and the service life is prolonged. The construction process is clear, all procedures are closely connected, the whole deformation monitoring process is controlled, construction is safe, the repairing process is high in pertinence, and the method is suitable for repairing projects similar to coastal old docks and wharfs.

The utility model relates to the technical field of house building construction, and discloses a municipal house building construction measuring marker post convenient to use, which comprises a rotating shaft rotationally connected to the inner side wall of a frame body; the gear is fixedly connected outside the rotating shaft; the left rack is fixedly connected to the right side wall of the left sliding block and meshed with the gear; the right rack is fixedly connected to the left side wall of the right sliding block and meshed with the gear; and the driving mechanism is arranged on the frame body and the rotating shaft. The device is carried to a construction site, the hand wheel is rotated, the driving mechanism drives the rotating shaft and the gear to rotate together, when the hand wheel rotates to enable the gear to rotate anticlockwise, the left rack and the right rack respectively drive the lower column body and the upper column body to extend out of the frame body together, so that subsequent measurement is facilitated, and after measurement is completed, the hand wheel is reversely rotated to drive the gear to rotate. The driving mechanism is linked with the gear to rotate clockwise, and the left rack and the right rack simultaneously drive the upper column body and the lower column body to retract into the frame body, so that the size of the device is reduced, and subsequent carrying is facilitated.

The application relates to the technical field of pre-construction detection, and discloses a building construction measuring device, which comprises a fixing mechanism and a base, the application aims at the problem that when a theodolite is in laser centering, the surrounding light is too strong to be observed clearly, the height position of the device is adjusted by rotating the threaded knob one to control the position of the connecting block two along the stretching position of the supporting leg one, the sliding block one drives the supporting arm to slide outward in the outward stretching process of the device supporting leg one, the supporting arm slides at the inner wall of the rotating block, the baffle is driven to rotate at the inner wall of the rotating block through the connecting rod while the supporting arm slides outward, the angle of the baffle can be adjusted to shield the light by adjusting the outward expansion degree of the supporting leg one, when the surrounding light is too strong in summer or the surrounding environment of the device, it is difficult to observe the clear infrared light point, the observation of the bottom infrared measuring point is affected, and a certain error is generated in the measurement result.

This invention belongs to the field of bridge construction surveying technology, specifically a method for measuring the verticality of bridge tower piers at close range and with large inclination angles in mountainous areas. The method includes: S1, calculating the angle between the intersection hypotenuse and the vertical line of the tower pier based on the known elevation and measured slope distance of the measuring point at the top of the tower pier, then calculating the horizontal distance and solving for the first corrected coordinates of each measuring point, thus avoiding vertical angle observation errors under large inclination angles; S2, accurately measuring the actual distance between the measuring points of the two tower piers, and using this as a constraint to adjust the first corrected coordinates to obtain a high-precision second corrected coordinate for the center of the tower top; S3, calculating the verticality based on the second corrected coordinates of the tower top and the known coordinates of the tower bottom. This invention effectively overcomes the problem of low measurement accuracy caused by close-range, large-inclination angle observations in narrow mountainous terrain, eliminates the need for multi-layered control networks, improves measurement efficiency and accuracy, and reduces operational risks and costs.

1. The name of the design product: water conservancy construction measuring instrument. 2. The use of the design product: the design product is used for water conservancy construction measurement. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The application discloses a kind of special-shaped curtain wall steel skeleton modular construction method, comprising the following steps: by three-dimensional software, establish the model of outer facade steel skeleton module and correct model, outer facade steel skeleton modular treatment, site construction surveying and setting-out, transverse keel and connecting piece installation, steel skeleton assembly, steel skeleton hoisting, aluminum plate installation, glue cleaning and inspection, this construction technology greatly reduces the measurement workload, reduces the possibility of measurement error occurrence, and this construction technology is by crane and aerial vehicle (straight arm vehicle or curved arm vehicle) cooperation construction, avoid the limitations of traditional measures basket or scaffold construction, reduce the time of high-altitude operation, at the same time, it is favorable to the management of welding fire prevention and fire connection work, welding fume purifier is placed conveniently, can effectively purify the smoke generated by welding, effectively solve the environmental protection problem, reduce construction cost.

The utility model provides an engineering construction measuring tool, and relates to the technical field of engineering construction. Comprising a mounting frame, a first measuring assembly facilitating measurement in the vertical direction is mounted in the mounting frame, the first measuring assembly comprises a measuring frame mounted in the mounting frame, a sliding plate is slidably connected into the measuring frame, and the sliding plate penetrates through one side of the measuring frame; one side of the mounting frame is provided with a second measuring assembly which is convenient to measure in the horizontal direction. According to the engineering construction measuring tool, the vertical direction and the horizontal direction can be measured at the same time through the first measuring assembly and the second measuring assembly, the practicability of the tool is improved, and the problems that existing measuring tools are various, workers generally need to carry various measuring tools, space is occupied, portability is poor, and the working efficiency is high are solved. And during measurement, a worker generally needs to separately measure data in the vertical direction and the horizontal direction, so that the operation is relatively tedious and the working efficiency is relatively low.

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 discloses a construction measuring device for municipal engineering, relates to the technical field of municipal engineering, and aims to solve the problems that an existing inclination measuring device in the prior art is large in size, heavy and inconvenient to carry by measuring personnel. A measuring plate is fixedly connected to the upper end of the horizontal plate, an angle scale is arranged at the upper end of the front end face of the measuring plate, a limiting pipe is fixedly connected to the middle of the measuring plate, a rotating shaft is rotationally connected into the limiting pipe, and the rear end of the rotating shaft extends out of the rear end of the limiting pipe and is fixedly connected with a vertical rod. The lower end of the rear end of the vertical rod is fixedly connected with a counterweight wafer, the upper end of the measuring plate is provided with a semicircular ring slot, the upper end of the front end of the vertical rod is fixedly connected with a connecting rod, and the front end of the connecting rod penetrates through the semicircular ring slot, extends out of the front end face of the measuring plate and is fixedly connected with a pointing piece.

This invention relates to the field of construction surveying technology, and more specifically, to a construction surveying device for prefabricated buildings. The device includes a fixing component for securing the device to a precast column; a positioning component for locating the precast column and precast pit positions is mounted on the fixing component; a coarse measuring component for measuring the coarse angle of the precast column is provided on one side of the positioning component, and an adjusting component for adjusting the angle is provided between the coarse measuring component and the fixing component; the coarse measuring component includes an installation component and a fine measuring component for measuring the fine angle of the precast column; a pressure-reducing component is provided on the coarse measuring component; and a marking component is provided on the coarse measuring component. This invention designs the coarse measuring component for rapid "alignment," while the fine measuring component provides stable and precise angle readings, with the two mutually verifying each other and reducing misjudgments.

The invention relates to the technical field of surveying and paying-off, in particular to a special-shaped glass curtain wall construction surveying and paying-off device which comprises a steel wire rope, a paying-off assembly used for accurate paying-off is arranged outside the steel wire rope, and a plurality of bending assemblies used for bending and paying-off are arranged outside the paying-off assembly. An adjusting assembly used for adjusting the bending angle is arranged on the surface of the bending assembly, fixing assemblies used for being fixed to a wall are arranged at the two ends of the paying-off assembly, the paying-off assembly comprises a rubber pipe, the rubber pipe is slidably connected to the surface of a steel wire rope in a sleeving mode, and fixing glue is injected from the upper end of the rubber pipe; the rubber pipe is filled with the fixing glue along the steel wire rope, then the sealing sleeve is sleeved on the opening in the upper end of the rubber pipe, the sealing sleeve is rotated to enable the through hole to correspond to the grouting hole, the bent rubber pipe is sequentially bent along the needed paying-off line at the moment, and the bending angle of the rubber pipe is fixed after the glue is solidified. And parameters such as the position, the size, the elevation and the axis of the building can be correctly determined.

The utility model relates to BIM construction surveying technical field, concretely is a kind of accurate measuring device of wisdom construction based on BIM technique, including base, the bottom of the base is fixedly installed with multiple supporting legs, the bottom of the supporting leg is provided with moving wheel, the top of the base is provided with three-dimensional surveying instrument, the side of the three-dimensional surveying instrument is installed with the BIM model data controller of electric connection, and the base is provided with stable support mechanism.The utility model is provided with stable support mechanism, relies on the adjusting support of multiple second hydraulic rod and support plate and the calibration of level, can make the whole base balanced to be placed under construction environment, and after relying on drill rod drilling into ground after placement is completed, the whole base can be effectively fixed, to prevent the three-dimensional surveying instrument on the base from appearing the condition of shaking in the process of measurement, avoid the influence to the result of measurement.

The utility model discloses a kind of construction surveying devices, including cross bar and multiple adjusting plates, the both sides of cross bar are equipped with recess, adjusting plate is respectively arranged in recess, strip mouth is equipped on adjusting plate, the inner wall surface of recess is equipped with locating block, locating block is inserted into strip mouth setting, electric push rod is installed between the one end of locating block and strip mouth away from cross bar, hand screw that adjusting plate is fixed on the outer side surface of locating block is installed, the outer side surface of hand screw is installed with level meter. The utility model is simple in structure, with the retraction of electric push rod upper piston rod, adjusting plate can be inwards to each other along locating block, and drive roller, make roller stick to wall rolling smooth movement, once the state of inclination of wall in the process of movement, adjusting plate can be inclined to left or right, and drive locating block and level meter, and through level meter can quickly understand whether vertical, increase the quality and comprehensiveness of measurement.

A kind of construction engineering measuring device, including tripod body and the measuring instrument body installed thereon, tripod body includes mounting plate and three support legs articulated therewith, support leg is telescopic, the lower part of support leg is provided with sliding slot along its length direction, sliding block is slidably connected in sliding slot, sliding block is fastened with support leg by first fastener, the inner side of sliding block is articulated with connecting plate, the end of connecting plate away from sliding block is articulated with counterweight plate;The lowest position that the lower end of connecting plate can reach is lower than the bottom surface of support leg movably connected therewith;The articulation of connecting plate and sliding block and the articulation of counterweight plate and connecting plate are all provided with damping structure.The utility model discloses by slidingly setting sliding block in the lower part of each support leg, and articulating connecting plate and counterweight plate on sliding block, staff can unfold and place counterweight plate on ground, by placing stone on the upper end surface of counterweight plate, effectively increase the contact area of device and ground and utilize counterweight moment to balance the overturning moment generated by upper measuring instrument.

The invention discloses an urban and rural planning construction surveying and mapping device, and relates to the technical field of construction surveying and mapping devices. The urban and rural planning construction surveying and mapping device comprises a supporting piece, a feeding unit fixedly installed on the supporting piece and a drawing unit fixedly installed on the feeding unit, and the drawing unit is fixedly connected with the supporting piece; the feeding unit comprises a feeding assembly fixedly installed on the supporting piece and a driving wheel rotationally installed on the supporting piece. According to the device, surveying and mapping paint is put into the feeding assembly, the surveying and mapping distance is directly determined through an extrusion piece ruler, a driving wheel can drive the self-adaption assembly and the linkage extrusion assembly to slide in the guide assembly by manually pushing a supporting piece, paint extraction and extrusion are automatically completed, ground measurement marking is synchronously achieved, cooperation of multiple persons is not needed, and the working efficiency is improved. By adjusting the height of the extrusion assembly, the marking length can be accurately controlled, and different measurement requirements can be met.

The utility model relates to the field of building construction, and discloses a multifunctional measuring scale for building construction measurement, which comprises a connecting frame, a sliding groove is formed in the connecting frame, a sliding block is slidably connected in the sliding groove, a bidirectional threaded rod is in threaded connection in the sliding block, and a rotating assembly is fixedly connected to the periphery of the bidirectional threaded rod. The rotating assembly is used for driving the bidirectional threaded rod to rotate, a hinge block is fixedly connected to the top of the sliding block, a fixing clamp is hinged to the interior of the hinge block, and a measuring scale is clamped into the fixing clamp. According to the utility model, by arranging the two-way threaded rod, the sliding block, the fixing clamp and other structures, equal pressure is applied to the left end and the right end of the measuring scale, so that the measuring scale forms a continuous and uniform arc, an arc-shaped object can be conveniently measured or drawn, the use is relatively convenient, and the practicability is high. And the possibility and diversity of architectural design by a designer are improved.

The utility model provides an easy-to-fix marker post for road and bridge construction measurement, and relates to the technical field of marker posts. Comprising a marker post body, the bottom surface of the marker post body is in contact with a fixing block, the interior of the fixing block is connected with a limiting strip, the interior of the fixing block is slidably connected with an inserting rod, the interior of the inserting rod is provided with a limiting groove, the bottom surface of the fixing block is connected with a base, and the interior of the base is rotatably connected with an adjusting rod; the outer surface of the adjusting rod is in threaded connection with a transmission pipe, the bottom face of the transmission pipe is connected with a base plate, and the upper surface of the adjusting rod makes contact with a pressurizing plate. Through cooperation of the marker post body, the pressurizing plate and other parts, the adjusting rod can move, the marker post body cannot incline, and the marker post body can rotate, so that the insertion rod is inserted into the deep position of the land, the device is fixed more stably, and the problem that the marker post measurement work is inconvenient due to unstable fixation caused by angle inclination is solved.

1. Name of the design product: Global Satellite Navigation System Reference Station Receiver. 2. Use of the design product: For satellite positioning, especially for precise geodesy or precise engineering surveying, such as for construction site positioning, crack monitoring, foundation pit monitoring, house deformation monitoring, slope monitoring, ground subsidence monitoring, and construction surveying of wharfs, dams, bridges, tunnels, or subways. 3. Design points of the design product: In shape. 4. Picture or photo best indicating the design points: Perspective view.

The utility model relates to the field of building construction measurement, in particular to a measuring device for building engineering construction. The utility model provides a measuring device for construction engineering construction. The measuring device comprises a triangular base, a rotating block, a telescopic rod, a telescopic cylinder, a base and the like, the three outer side faces of the triangular base are fixedly connected with rotating blocks respectively, the lower end of each rotating block is rotationally connected with a corresponding telescopic rod, the outer side of the lower portion of each telescopic rod is sleeved with a telescopic cylinder, a plurality of grooves are formed in the lower portion of the outer side of each telescopic rod, the top of the triangular base is fixedly connected with a base, and an inverted-T-shaped groove is formed in the top of the base. According to the utility model, the sunshade plate, the adjusting rod, the clamping bolts and the sunshade curtains are arranged, a plurality of insertion holes are formed in the adjusting rod, the purpose of adjusting the angle of the sunshade plate is achieved by clamping the clamping bolts and the insertion holes, and after the sunshade curtains in the two sides of the sunshade plate are drawn out, the influence of light on measurement can be avoided when the device is used for measurement.

This disclosure provides a method, apparatus, device, and medium for measuring walls, relating to the field of artificial intelligence, specifically to computer vision and construction surveying. The specific implementation of the method for measuring walls is as follows: For each of at least one wall surface in the wall to be measured, each wall surface is projected onto a two-dimensional plane based on point cloud data of the wall to be measured, obtaining a two-dimensional image of each wall surface; for at least two measurement points on the two-dimensional image of the target wall surface, the three-dimensional position information of at least two wall points corresponding to the at least two measurement points is determined; and the measurement result for the wall to be measured is determined based on the three-dimensional position information of the at least two wall points. The measurement result is represented by the relative positional relationship of the at least two wall points.

The utility model relates to a measuring light beacon, and belongs to the technical field of construction measurement. Wherein the measuring light beacon comprises a metal shell, a glass shell and a lamp bead; the metal shell is provided with an opening formed in the length direction of the metal shell. The glass shell is arranged at the opening of the metal shell; the glass shell and the metal shell jointly define a containing cavity; the lamp bead is arranged in the containing cavity and installed on the metal shell, and the light-emitting side of the lamp bead faces the glass shell. The measuring light beacon and the total station are correspondingly arranged on two different lead control points of the project, so that the total station measures the axis deviation of the project according to the measuring light beacon. The measuring light beacon provided by the utility model not only can be convenient for the total station to measure the axis of a project, but also is simple in overall structure and convenient to set.

The invention relates to the technical field of surveying equipment, and provides water conservancy and hydropower construction surveying equipment using an extraction tool, the water conservancy and hydropower construction surveying equipment using the extraction tool comprises a mounting case, the top of the mounting case is provided with a sample detection device, and the water conservancy and hydropower construction surveying equipment further comprises a penetrating rotating cylinder, an extraction cylinder seat, an extraction branch pipe and a water sample collection cylinder, the extraction cylinder seat is located under the penetrating rotating cylinder, a moving structure for driving the extraction cylinder seat to longitudinally move at the bottom of the mounting case is arranged on the penetrating rotating cylinder, the extraction branch pipe is slidably connected to the bottom of the extraction cylinder seat in a penetrating manner, an extraction screw is rotatably connected into the extraction branch pipe, and the extraction screw drives a solid sample to ascend in the extraction branch pipe; a sample collection structure is arranged on the extraction branch pipe, and a plurality of water sample collection cylinders are arranged on the outer wall of the extraction cylinder seat. By means of the technical scheme, the technical problem that in the prior art, the mode that solid and liquid in a water body are sampled and surveyed through an extraction tool is complex is solved.

The invention discloses a building construction measuring device and a measuring method thereof, and belongs to the technical field of building construction measuring tools, the building construction measuring device comprises a storage box, a measuring tape is installed in the storage box, a clamping pipe is integrally formed outside the storage box, one end of the measuring tape penetrates through an outlet of the clamping pipe, and a soft mud plate is installed at the end, away from the storage box, of the measuring tape. A second connecting base and a first connecting base are clamped to the outer portion of the connecting rod, a worker can attach the soft mud plate to the corner position of the wall face, the corner identical to the wall face is formed through plasticity of the soft mud plate, and linear laser is emitted through a linear laser after the corner identical to the wall face is formed on the soft mud plate. A corresponding high-brightness curve is formed after the linear laser irradiates the outside of the soft mud board, the soft mud board is shot by using a camera after the high-brightness curve is formed, and the angle value of the high-brightness curve is calculated by using an image algorithm after shooting is completed, so that the corner angle value of a building is conveniently obtained.

The invention discloses a road and bridge construction surveying and mapping device, and belongs to the technical field of engineering surveying and mapping equipment, the road and bridge construction surveying and mapping device comprises a support assembly, an automatic leveling assembly and an intelligent surveying and mapping assembly which are sequentially arranged from bottom to top, and precise vertical lifting and anti-vibration locking of a leveling disc are achieved through the double-gear anti-backlash transmission design of a triangular leveling execution mechanism; the problems that a traditional leveling device is prone to vibration interference on a construction site, transmission return difference is large, and interference is caused by wind loads and unbalance loads are solved, a reliable space reference is provided for the surveying and mapping unit, meanwhile, the multi-sensor integrated measurement unit integrates a GNSS positioning module, a laser scanning distance measurement module, a vision measurement module and an inertia measurement module, and the measurement precision is improved. Multi-source data space-time alignment is achieved through hardware-level time synchronization, static target points and dynamic target objects are intelligently recognized based on a construction design model, static multi-point observation and dynamic target continuous tracking are executed respectively, and the method is suitable for complex measurement scenes in road and bridge construction.

The invention relates to the technical field of construction measurement and control, in particular to a pipeline deviation rectification control system for pipe jacking construction, which comprises a posture calibration module, a track recognition module, a variable analysis module, a thrust distribution module and a partition execution module. According to the method, the circumferential thrust difference and the attitude angle change direction are analyzed, attitude correction and path offset data are combined, a linkage judgment mechanism between the path and the attitude is constructed, the dominant deviation type in the propulsion process is recognized, the response direction is dynamically adjusted and controlled, and the propulsion variable matching relation is optimized; thrust output and speed data are utilized to establish a resistance distribution diagram, the thrust output proportion is accurately adjusted after the resistance concentration trend is recognized, thrust continuity and output trend consistency are adopted to merge and control sections, linkage regulation and control and partition updating of thrust blocks are achieved, posture adjustment, path deviation correction and thrust distribution form a unified coordination relation, and the thrust distribution accuracy is improved. And the direction control precision and the response synchronism in the pipeline propelling process are enhanced.