60results about How to "Accurate splicing" patented technology

The invention provides a laser confocal ocular surface image stitching method based on deep learning. Efficient and accurate image stitching is realized through unsupervised learning. Firstly, an ocular surface image is preprocessed, and a data set is constructed; then, a multi-scale feature pyramid is constructed by using a convolutional neural network, image features are automatically extracted and pre-aligned, and image alignment is optimized through global motion aggregation and local motion correction technologies. Thirdly, constructing a content fusion generative adversarial network which comprises a generator and a discriminator to smooth the fused image and generate a spliced image conforming to human eye perception; a staged training strategy is adopted, image alignment is optimized firstly, and then image smooth fusion is achieved. And finally, automatically finishing image alignment and fusion by using the trained network to obtain a seamless large-view confocal ocular surface image. According to the method, the splicing precision and robustness are improved, the method is suitable for image splicing in different environments, and the splicing success probability is remarkably improved.

The present invention provides a detection method and device for the placement state of wafers in a wafer box, which is applied to the detection of wafer boxes. The detection method includes: obtaining the standard value of the thickness and the standard value of the angle of the wafer; using a laser and a camera to scan the wafer box to obtain the three-dimensional morphology of the wafer box; according to the three-dimensional morphology, using a thickness calculation algorithm and an angle calculation algorithm to calculate the thickness and angle of each wafer in the wafer box; wherein the thickness calculation algorithm processes the data of the three-dimensional morphology through a point cloud downsampling method and a point cloud clustering method; comparing the thickness and angle of each wafer in the wafer box with the standard value of the thickness and the standard value of the angle to determine whether there are duplicate wafers, oblique wafers, and missing wafers in the wafer box. The present invention solves the technical problem that the traditional Mapping operation needs to use a ranging sensor to scan the inside of the wafer box point by point to determine the wafer position, resulting in a long scanning time and affecting production efficiency.

The utility model discloses a bearing and shock resistance enhanced planting single body and a planting module, which comprise a planting single body plate body, a first planting surface layer and a second planting surface layer, and the first planting surface layer and the second planting surface layer are integrally formed; the first planting surface layer and the second planting surface layer are provided with continuous planting cavities, the centers of the planting cavities of the first planting surface layer and the second planting surface layer are arranged in a staggered mode, and the adjacent planting cavities of the first planting surface layer and the second planting surface layer are communicated with each other. The utility model further discloses a planting module at least made of the planting single plate, the planting single plate has remarkable technical effects in the aspects of bearing, planting, factory production, laying efficiency and the like, and an efficient and practical solution is provided for urban landscaping engineering.

The invention provides a prefabricated concrete radiation cooling ventilation external wall panel. The prefabricated concrete radiation cooling ventilation external wall panel comprises a prefabricated concrete radiation cooling ventilation external wall panel outer acanthus, a prefabricated concrete radiation cooling ventilation external wall panel inner acanthus, a grating, outer acanthus stiffening ribs and a cover plate, the prefabricated concrete radiation cooling ventilation external wall panel outer acanthus and the prefabricated concrete radiation cooling ventilation external wall panel inner acanthus are connected through a plurality of outer acanthus stiffening ribs to form a ventilation air duct; a cover plate is arranged at the upper end of the ventilation air duct; a grating is embedded in the upper part of an outer acanthus of the prefabricated concrete radiation cooling ventilation externally-hung wallboard; the sleeve connecting piece is pre-buried in an inner leaf plate of the prefabricated concrete radiation cooling ventilation external wall plate, and the prefabricated concrete radiation cooling ventilation external wall plate is installed on a main body structure and spliced to a parapet wall from the bottom layer of the main body structure. The invention relates to the technical field of fabricated buildings, and can solve the problems that in the prior art, an external wall additional heat preservation layer is prone to cracking, falling off and water seepage, and a double-layer ventilation curtain wall is high in cost and limited in use.

The invention provides a tunnel steel arch welding mechanical limiting device which comprises a bottom plate, a housing, a first-stage adjusting set, a second-stage adjusting set and a third-stage adjusting set, the first-stage adjusting set comprises a first-stage knob and two first clamp rods, a first-stage mechanical linkage structure is arranged between the first-stage knob and the two first clamp rods, and a second-stage mechanical linkage structure is arranged between the second-stage knob and the second clamp rods; the second-level adjusting set comprises a second-level rotary knob and two second clamp rods, a second-level mechanical linkage structure is arranged between the second-level rotary knob and the two second clamp rods, the third-level adjusting set comprises a third-level rotary knob and a centering adjusting plate, and a third-level mechanical linkage structure is arranged between the third-level rotary knob and the centering adjusting plate. By arranging the three mechanical gears, centering limiting of the steel base plate and the I-shaped steel is achieved, the device is suitable for welding operation of steel arches of various models and sizes, the device can be repeatedly used in welding of the steel arches of the same size after initial setting, and rapid positioning and accurate splicing are achieved.

The invention discloses a carbon fiber rim forming method and a carbon fiber rim mold, and relates to the technical field of bicycles, wherein the carbon fiber rim forming method comprises: obtaining a wheel rim profiling part, pasting material on the wheel rim profiling part to obtain a wheel rim; obtaining a wheel rim body profiling part, pasting material on the wheel rim body profiling part to obtain a 2 / 3 wheel rim body; obtaining a lower mold, placing the 2 / 3 wheel rim body into the lower mold and taking out the wheel rim body profiling part; pasting material on the upper mold to obtain a 1 / 3 wheel rim body; splicing one side of the wheel rim to the 2 / 3 wheel rim body; obtaining an air bag, placing the air bag between the wheel rim and the 2 / 3 wheel rim body; closing the upper mold with the lower mold so that the 1 / 3 wheel rim body and the 2 / 3 wheel rim body are spliced ​​to obtain the wheel rim body; preforming the air bag by blowing, opening the upper mold and the lower mold, and obtaining a wheel rim rough blank. In the technical solution provided by the invention, the first forming of a part of the wheel rim body and then splicing the wheel rim, and finally splicing the other part of the wheel rim body by closing the mold, ensures accurate positioning and improves the product qualification rate.

The utility model relates to the technical field of gas extraction, in particular to a soft low-permeability coal seam gas extraction drilling wall protection supporting device which comprises a supporting pipe, a threaded pipe is arranged on the inner wall of the top end of the supporting pipe, a threaded groove is formed in the inner wall of the bottom end of the supporting pipe, an anti-loosening mechanism is arranged on the threaded pipe, an annular cavity is formed in the supporting pipe, and the annular cavity is communicated with the threaded groove. A connector is formed in one side of the threaded pipe and communicates with the annular cavity, a through groove is formed between the annular cavity and the threaded groove, a sealing ring is arranged on the threaded groove, and an inflation mechanism is arranged between the annular cavity and the supporting pipe; according to the structure, the whole supporting structure can be inflated only through one connector of the threaded pipe on the uppermost supporting pipe, the inflation bag is expanded and protrudes outwards in the inflation groove to be tightly attached to the wall face of a drilled hole, strong lateral supporting force is provided, and the supporting structure is particularly suitable for being used in a soft and low-permeability coal seam and can effectively prevent the wall face of the drilled hole from collapsing.

The invention provides a vehicle track splicing method for long road section cross-camera target association matching. The method comprises the following steps: acquiring an image including a target vehicle, and constructing a training image data set and a verification image data set; capturing a single-camera vehicle track by using a YOLOV5 model and a Kalman filtering algorithm; and splicing the cross-camera vehicle tracks by using a vehicle re-recognition algorithm. According to the invention, vehicle positioning and track splicing can be realized more accurately, and support is provided for vehicle motion mode analysis, traffic flow monitoring and abnormal behavior detection; a target vehicle can be quickly and accurately identified through a YOLOV5 model and a Kalman filtering algorithm, and target tracking is carried out on the vehicle; through coordinate conversion, the difference of visual angles is eliminated through a unified spatial reference system, and the error or inconsistency of image features is avoided, so that the positioning and the track of the vehicle can be more accurately spliced; and the vehicle is re-identified through a vehicle re-identification algorithm, so that the identification accuracy is ensured.

The present invention relates to the technical field of slope support. The purpose of the present invention is to provide a prefabricated vertical support retaining wall based on recycled concrete and a construction method thereof, comprising a plurality of H-shaped steels and a concrete base; the H-shaped steels are arranged at intervals, and their openings are arranged oppositely, an excavation area is formed between the relative openings of two H-shaped steels, a plurality of prefabricated sandwich columns are inserted in the excavation area, the transverse cross-section of the prefabricated sandwich columns is T-shaped, and comprises a front stopper, a rear stopper and a sandwich part connected between the front stopper and the rear stopper, and a steel cage is also pre-embedded in the prefabricated sandwich column; each front stopper forms a retaining wall, and the steel cages at both ends of the excavation area are welded with lateral force-transmitting steel plates; a plurality of horizontal force-transmitting steel bars are fixed on the steel cage, a fixing groove is provided on the top of the concrete base, and steel slide plates are provided at both ends of the concrete base, the structure has strong integrity, high construction efficiency, has excellent economic benefits, and solves the problem of practical application of recycled concrete.

The utility model provides a tool-free buckle type hoop device for underground pipeline monitoring, which relates to the technical field of engineering monitoring and comprises an upper hoop, a hoop fixing component is arranged on the lower side of the upper hoop, a spring sleeve is welded to the center of the inner side of a slot, a telescopic spring is mounted on the inner side of the spring sleeve, and the telescopic spring is connected with the hoop fixing component through a bolt. Sleeve holes are formed in four corners of the spring sleeve; according to the hoop fixing assembly, the rack below the upper connecting plate is clamped into the inserting groove of the lower connecting plate along with the upper hoop, the rack can extrude the telescopic toothed plate to be meshed with the telescopic toothed plate, in the process, the telescopic spring is pressed to generate elastic force to push the telescopic toothed plate to be meshed tightly, firm connection is ensured, looseness is prevented, and the service life of the telescopic toothed plate is prolonged. And the two sets of racks are synchronously meshed with the telescopic toothed plate, a double-locking mechanism is formed, the tensile strength is enhanced, it is guaranteed that no displacement exists at the connecting position, and the durability of the whole structure is improved.

The present invention discloses a map splicing method, device, mobile robot and computer-readable storage medium, and relates to the field of robot technology. The method comprises: if it is necessary to splice maps, obtain a first sub-map of the robot's current navigation area, and obtain a first splicing feature located at the boundary of the first sub-map; according to the first splicing feature, obtain a second sub-map of the robot's navigation area, and obtain a second splicing feature located at the boundary of the second sub-map; according to the first splicing feature and the second splicing feature, splice the first sub-map and the second sub-map. The present invention can improve the execution efficiency of robot navigation.

The utility model relates to the technical field of wire netting, concretely to a dense hole wire netting hanging buckle positioning piece, including the positioning piece body of installation on the wire netting body, the positioning piece body is composed by connecting seat, installation base structure and hanging buckle structure, and installation base structure is preinstalled on the building steel reinforcement framework, and hanging buckle structure is used for fixing wire netting body, installation base structure includes two insertion slot of opening in connecting seat one side, and the inner wall insertion of two insertion slots has same installation clamp, and the one side of installation clamp and connecting seat is provided with first fixed component, the utility model can firmly fix whole hanging buckle positioning piece on building steel reinforcement framework, avoids the problem that traditional wire binding mode is easy to loosen, displacement, and tightly clamps wire netting body, effectively prevents wire netting from appearing loosening, deviation after being stressed, satisfies the demand of wire net fixing under different construction scenes, and simultaneously, still can make multiple pieces of wire netting accurate alignment when splicing.

The utility model relates to the technical field of constructional engineering, and discloses a splicing type steel skeleton which comprises two sets of I-shaped clamping frames, and a splicing type steel skeleton mechanism is arranged on the outer sides of the two sets of I-shaped clamping frames together. The spliced steel skeleton mechanism comprises two sets of fixing frames, the front face of one fixing frame is fixedly connected with a controller body, and two first connecting frames and two second connecting frames are connected into each I-shaped clamping frame in a clamped mode. According to the splicing type steel framework, the fastening bolts, the first connecting frames, the thread fixing inserting discs, the controller body, the fixing frames, the second connecting frames, the guide rods, the fixing plates and the infrared distance measuring sensors are arranged, so that the splicing type steel framework can be accurately and rapidly spliced, and the first connecting frames and the second connecting frames are in clamping connection with the interiors of the I-shaped clamping frames; by means of the device, precise splicing and positioning of the first connecting frame or the second connecting frame are achieved, and the using effect and the working efficiency of the device are further improved.

The present invention discloses a large-format digital printing method and system with seamless splicing, and belongs to the field of digital printing technology. In order to solve the problems of low printing efficiency and low splicing accuracy, the original image is accurately analyzed by an image preprocessing module, which can ensure that each sub-image has the best printing quality before printing. The image segmentation unit can accurately segment the original image into appropriate sub-images according to the printing format of the printing device, which not only ensures the feasibility of printing, but also improves the printing efficiency. Each sub-image is accompanied by detailed splicing information, and the generated splicing information can ensure that the sub-images can be accurately spliced ​​together during the printing process, thereby achieving complete and accurate printing of large-format images. In the task allocation printing stage, the system can adjust the balanced distribution of printing tasks according to the performance and load conditions of peripheral components, which helps to improve printing efficiency, avoid resource waste, and ensure that printing tasks can be completed on time.

The present application relates to the technical field of video image processing, and discloses a video image splicing and unfolding method, device, medium and equipment. The method comprises the following steps: acquiring a first image and a second image of a top view of a to-be-spliced cylinder; acquiring a cylindrical surface image of the to-be-spliced cylinder; determining an overlapping area of the first image and the second image; determining a plurality of pixel point pairs composed of pixel points in the first image and pixel points in the second image in the overlapping area; acquiring a plurality of plane unfolding images of a front wide-angle top view of the to-be-spliced cylinder; and splicing the plurality of plane unfolding images to acquire a spliced image of a complete cylinder plane unfolding image. The method solves the splicing of target pixel images with different depths of field, prevents misalignment during image splicing, realizes accurate image splicing, improves the speed and accuracy of video image splicing, and does not require manual selection of initial matching points, and can adapt to the fusion of large amounts of images.

The utility model provides a novel spliced anti-theft door frame, which is characterized in that through pin holes are arranged at the upper ends of side plates, bolts corresponding to the pin holes are arranged at two ends of a top plate, the top plate is connected with the pin holes of the two side plates through the bolts for splicing, the bolts are bent towards one side, and the bent bolts are welded and fixed with the side plates. According to the anti-theft door frame, the mode that an original door frame plate is welded and connected through a 45-degree inclined face is changed, the side plates and the top plate of the door frame are connected through the pin holes and the plug pins in a mortise and tenon joint mode, the plug pins are bent, and then firm connection can be achieved through spot welding; according to the technical scheme, grinding is not needed or only needs one-time grinding, then rust-proof treatment is conducted, fixing operation is convenient, and accurate splicing between the side plates and the top plate can be achieved without auxiliary tools. The door frame is simple in connection mode, convenient to machine, high in production efficiency, high in structural strength, high in product yield, capable of saving production and machining cost and beneficial to application and popularization.

The invention discloses an angular resolution calibration system for an X-ray optical system. The system comprises a multi-degree-of-freedom turntable, an X-ray imaging detector, a diaphragm, a filter disc, a monochromator, an X-ray light source, a test cavity and a computer. The invention also discloses an X-ray optical system angular resolution calibration method, which comprises the following steps of: adjusting the position and the posture of the detected optical system through the multi-degree-of-freedom turntable, so that the detected optical system is aligned with the X-ray light source; the test cavity is vacuumized; the position of the detected optical system is adjusted, so that X-rays emitted by the X-ray light source are respectively incident to each calibration position of the clear aperture of the optical system, the X-ray imaging detector images light spots focused at each calibration position, and the light spots are stored in the computer; and the computer carries out splicing processing on all the light spots, the angular resolution is obtained according to the spliced light spots, and calibration of the angular resolution is completed. The method has the advantages of being wide in application range, high in accuracy, easy to implement and the like, and difficulty and investment can be effectively reduced.

The invention relates to the technical field of steel structure welding, and discloses a welding device for steel structure production, the welding device comprises a mounting table and a mounting ring fixedly connected to the mounting table, and a transmission groove is formed in the top of the mounting ring; according to the welding device for steel structure production, the transverse connecting rods of the frame are accurately placed into the positioning and fixing mechanism through the welding feeding mechanism, the connecting rods are positioned and fixed through the positioning and fixing mechanism, the welding feeding and splicing mechanism is arranged in the mounting groove, and the welding feeding and splicing mechanism is used for automatically feeding and splicing the connecting rods of the frame. The welding mechanism is used for welding and fixing the spliced frame, then the vertical connecting rod is accurately placed on the welded forming frame, then the welding mechanism is used for automatically welding the vertical connecting rod, and the steps are repeated in sequence, so that automatic splicing and welding of the steel structure frame are implemented, manual operation is not needed, and the welding efficiency is improved. And the welding efficiency of the steel structure frame is greatly improved.

The utility model provides a water supply and drainage pipeline construction device, which relates to the technical field of pipeline construction and comprises two mounting plates, supporting rods are fixedly mounted on the upper surfaces of the two mounting plates, a first positioning plate is fixedly mounted between the top ends of the two supporting rods, and a first electric guide rail is mounted on the lower surface of the first positioning plate. The two arc-shaped clamping plates are arranged on the side face of the drainage pipeline in a tightly attached mode, the drainage pipeline is fixed, at the moment, the first electric guide block moves in the middle of the first electric guide rail, the second electric guide block moves in the middle of the second electric guide rail, and the clamping assembly is arranged at the output end of the hydraulic cylinder. A second electric guide block moves in the middle of a second electric guide rail, so that a pipeline can be driven to move front, back, left and right, the output end of a hydraulic cylinder stretches out and draws back, the pipeline can be driven to move up and down, the pipeline can be driven to move in multiple directions, the pipeline can be accurately spliced, and the construction efficiency of the pipeline is improved.

The utility model provides a waste gas emission detection device for environmental protection equipment, and relates to the technical field of waste gas detection equipment, the waste gas emission detection device comprises two cambered surface base stations, a butt joint outer cover is arranged between one sides of the outer walls of the two cambered surface base stations, and the outer surface wall of each butt joint outer cover is provided with a group of extension plates. A set of locking sleeves are fixedly installed in each extension plate, two built-in supporting plates are fixedly installed in each cambered-surface base table, a set of pneumatic push rods are fixedly inserted in each built-in supporting plate, and the number of the pneumatic push rods in each set is equal to that of the corresponding set of locking sleeves. According to the device, the internal structure is simplified, the overall appearance is reduced, the assembly position is reasonably selected, and the device is accurately spliced with corresponding parts, so that the overall occupied area of environmental protection equipment is reduced, the transfer and installation difficulty of the device is effectively reduced, and the use limitation of the device is reduced.

The utility model discloses a kind of adsorption formula electrophoresis pool inner wall cleaning device, it is related to electrophoresis pool cleaning technical field, including first bearing frame, winch, bearing block, first wheel frame and second bolt, the first bearing frame side edge setting expansion structure, the expansion structure includes universal wheel, second bearing frame, first bolt, bolt hole and positioning hole, the positioning hole is set below second bearing frame, the first bolt is set above second bearing frame, the positioning column is set above second bearing frame, the bolt hole and positioning hole are set on second bearing frame bottom surface, the universal wheel is installed in universal wheel, the design of cleaning structure guarantees cleaning effect, bearing block is smoothly slid along bearing frame by guide block, so that cleaning roller in cleaning cover and spray pipe are always attached pool wall;The "flushing+ wiping" compound mode of cleaning roller cooperation L-shaped spray pipe driven by motor, can efficiently remove dirt.

This invention relates to the technical field of elbow and pipe forming devices. The invention provides a fully automatic integrated elbow and pipe forming device and process. The device includes: a left and right mold slidably connected to a frame, with the left and right molds spaced apart and each having a stamping groove located on adjacent sides; a middle mold slidably connected to the frame and located between the left and right molds, with forming blocks on both sides of the middle mold; wherein the sliding direction of the middle mold intersects with the sliding direction of the left mold, and the middle mold can slide away from the left and right molds, so that after the left and / or right molds slide, the two semicircular bends can be formed into an elbow and pipe. Through the above technical solution, after the middle mold slides away from the left and right molds, and through the sliding of the left and / or right molds, the two semicircular bends can be automatically joined to form an integrated elbow and pipe, realizing automatic splicing of the stamped semicircular bends without manual operation, thus improving production continuity.

The invention provides an assembly type waterproof protection layer construction method, and relates to the technical field of basement construction, the assembly type waterproof protection layer construction method comprises the following steps: a concrete shape-assisting plate manufacturing step: prefabricating a plurality of concrete shape-assisting plates including a plurality of transverse plates and longitudinal plates, each of the transverse plate and the longitudinal plate is provided with at least one side edge, at least one limiting groove and at least one elastic limiting hook; a fertilizer groove is formed outside the basement, the basement comprises four side walls which are encircled into a whole and a top plate poured on the tops of the four side walls, and waterproof coiled materials are fixed to the side walls and the top plate; the fabricated waterproof protective layer has the beneficial effects that construction is easy, the construction period is greatly shortened, the labor cost is reduced, and the fabricated waterproof protective layer is high in strength and waterproofness and good in durability.

The utility model provides a kind of mobile portable spliced dance mirror, including at least one mirror surface unit group, mirror surface unit group includes a base body, the front of base body is plane and the front of base body is provided with a mirror matched with the front of base body, the left and right side surfaces of base body are provided with magnetic attraction layer, the left and right side surfaces of mirror and the outer surface of magnetic attraction layer are plane and keep flush.The utility model overall structure modularization, can be flexibly combined according to need, the mutual magnetic attraction of magnetic attraction layer can quickly realize the splicing and disassembly of mirror surface unit group, meet the use requirement of different mirror surface size, and indoor and outdoor are applicable, mirror surface unit group is spliced seamlessly smooth, guarantee the use effect and experience of mirror when dancing training.

The utility model discloses a long service life's high strength low carbon micropore magnesite carbon brick relates to low carbon micropore magnesite carbon brick technical field, including no. The no. The metal - ceramic composite coating is closely attached to the outer surface of base body, and the fiber braided net reinforced shell is closely coated outside the metal - ceramic composite coating, and the gradient gap buffer layer is closely coated outside the fiber braided net reinforced shell. The utility model discloses a base body is coated with metal - ceramic composite coating, fiber braided net reinforced shell and gradient gap buffer layer in proper order outside, and multilayer collaborative promotion magnesite carbon brick strength and life, and the coating metal - ceramic composite coating resists high temperature and is anti -erosion, and the fiber braided net reinforced shell increases mechanical property, and the gradient gap buffer layer adapts thermal expansion, and the internal stress is prevented from cracking.

The utility model belongs to the technical field of heat preservation bricks, and particularly relates to a coal gangue heat preservation brick which comprises a first brick body, the lower end of the first brick body is in contact with a first connecting brick, the right side of the first brick body is in sliding connection with a second brick body, and the lower end of the second brick body is in contact with a second connecting brick. The first connecting brick is in contact with the second connecting brick, and clamping blocks are fixedly connected to the lower ends of the first brick body and the second brick body. Through the design of the clamping blocks and the clamping grooves, the splicing of the first brick body and the first connecting brick as well as the splicing of the second brick body and the second connecting brick can be more uniform and can be kept stable, and through the design of the positioning blocks and the positioning grooves, the splicing of the first brick body and the second brick body as well as the splicing of the first connecting brick and the second connecting brick can be more accurate; the problems that coal gangue heat preservation bricks are inconvenient to splice and not accurate enough during splicing are solved.

The invention relates to the technical field of slope supporting, and aims to provide a prefabricated vertical supporting retaining wall based on recycled concrete and a construction method thereof, the prefabricated vertical supporting retaining wall comprises a plurality of H-shaped steel and a concrete base; the H-shaped steel is arranged at intervals, openings of the H-shaped steel are oppositely arranged, an excavation area is formed between the opposite openings of the two H-shaped steel, a plurality of prefabricated sandwich columns are inserted in the excavation area, the transverse section of each prefabricated sandwich column is in a T shape, each prefabricated sandwich column comprises a front blocking part, a rear blocking part and a sandwich part connected between the front blocking part and the rear blocking part, and a reinforcement cage is further embedded in each prefabricated sandwich column; all the front blocking parts form a soil blocking supporting wall, and lateral force transmission steel plates are welded to the positions, at the two ends in the excavation area, of the reinforcement cage; a plurality of horizontal force transmission steel bars are fixed to the reinforcement cage, a fixing groove is formed in the top of the concrete base, steel sliding plates are arranged at the two ends of the concrete base, the structural integrity is high, the construction efficiency is high, excellent economic benefits are achieved, and the problem of practical application of recycled concrete is solved.

The utility model discloses a wall body assembling and fastening structure, which can ensure that the height of a left wall body is consistent with that of a right wall body through a fixing plate on the bottom surface of the upper surface of the right wall body, and then align the left wall body with the right wall body through an aligning structure arranged on the fixing plate, thereby facilitating the subsequent assembling and splicing and the accuracy of the subsequent splicing. After the left wall body and the right wall body are aligned, the left wall body and the right wall body approach each other, the left wall body and the right wall body are spliced and assembled through the inserting shafts, the inserting grooves and the locking structures, then external bolts are matched with the fastening screw holes and the T-shaped plate screw holes for further fastening, and when the whole structure is actually spliced, the efficiency is high, and splicing is accurate.

The application relates to the field of 3D vision technology and discloses a belt material level surface three-dimensional reconstruction and volume measurement method and system based on 3D vision. The method comprises the following steps: carrying out frame-by-frame cross-section scanning on the belt material surface, combining an encoder displacement signal to generate a sparse observation point cloud matrix, differentiating a reference height difference of the sparse observation point cloud matrix, obtaining a sparse material level site height matrix, constructing a compressed sensing observation equation, solving by joint optimization of a sparse constraint term and a transverse smoothness regularization term, and obtaining a material surface height field; sequentially carrying out transverse numerical integration on each cross-section in the material surface height field to obtain a cross-section material level area sequence, and carrying out longitudinal numerical integration on the cross-section material level area sequence to obtain a material level volume. The application guarantees the numerical precision of cross-section material level area and total material level volume calculation, and realizes high-precision online volume measurement of belt materials under industrial field conditions.