1163 results about "Structural integrity" patented technology

The present subject matter discloses a prefabricated modular shed constructed from modular plastic components or panels. The modular storage shed can be installed onsite with pre-constructed modular panels. The shed features embedded seamless folding grooves such as in the door panels and the central roof panel. Furthermore, a pivotable frame bracket can encase the edge of the rotating panels, enhancing both strength and durability. The wall and floor panels are secured with T-shaped connectors to further improve stability. The structural integrity of the shed's walls is reinforced by support columns with built-in reinforcement ribs, which are designed for simple installation. In addition, the modular storage shed can be expandable depending on the preferred size.

The invention discloses a prefabricated concrete modular building capable of being efficiently constructed. Prefabricated concrete modules are spliced to form an integral building. The prefabricated concrete module is defined by a shear wall, a thin shell wall, a filler wall, a partition wall, a top plate and a bottom plate, the thin shell wall is arranged at the shear wall splicing position of the prefabricated concrete module and spliced with adjacent modules on the same layer to form a cavity, and a structural form of direct connection of large-diameter longitudinal bars and local constraint of stirrups is adopted in the cavity. Concrete is poured in the cavities to form connecting joints, and the modules are connected through the connecting joints of the upper-layer modules and the lower-layer modules and the connecting joints of the modules on the same layer to form an integral structure. The thickness of the shear wall at the splicing position of the adjacent modules on the same layer is effectively reduced and controlled, the use space of a building is remarkably increased, the on-site installation and node connection structure is simple, the construction efficiency can be greatly improved, in addition, the structural integrity is high, the system stress mode is clear, and the construction cost is low. The problem that the applicable height of an existing precast concrete module building is limited at present can be effectively solved, and a brand new solution is brought to the field of high-rise and super high-rise modular buildings.

The present subject matter discloses an improved wall structure for a modular plastic shed, designed for easy on-site assembly using pre-constructed modular panels. The enhanced wall structure features T-shaped connection accessories that securely install the wall to the floor panels. Additionally, support columns with integrated reinforcement ribs are incorporated to further strengthen the overall structure. These support columns also feature pre-formed sockets, allowing for quick and straightforward attachment of the wall panels, simplifying the assembly process and improving structural integrity.

The invention relates to the technical field of cable aging diagnosis, in particular to a cable aging diagnosis monitoring method and system. The method comprises the following steps: acquiring cable operation log data and cable internal structure design data, extracting a cable structure distribution condition in combination with an operation log, and evaluating cable operation state data; electric power sudden demand characteristics are identified, and then a non-uniform thermal coupling unbalance state is determined; based on the thermal coupling unbalance and the operation state data, detecting the coupling failure condition of the cable multilayer structure, and further judging the structural integrity damage condition; deducing a load stability disintegration situation according to a structure damage and insulation strength reduction trend; further detecting the decline of the quality of transmitted electric energy, analyzing the increase degree of abnormal voltage fluctuation, and identifying the fatigue trend of the metal material of the cable; through the above cable aging diagnosis, the cable aging diagnosis data is output. According to the cable aging diagnosis method and device, cable aging diagnosis is diagnosed, so that cable aging diagnosis is more accurate and efficient.

The invention discloses a docking mechanism for an AGV trolley carrying goods shelf, and relates to the technical field of logistics storage equipment. The storage rack comprises a storage rack body and an AGV trolley body, positioning carrying holes are formed in a butt joint frame on the surface of the storage rack body, a rotating assembly is arranged in a circular groove in the top of the AGV trolley body, and a mounting frame is fixedly mounted on the top surface of a rotating part of the rotating assembly. According to the goods shelf, by arranging the buffer contact plate, the damping rod, the buffer spring and the buffer rubber sleeve, multiple buffer protection is provided for the butt joint process, during butt joint, the buffer contact plate makes contact with the goods shelf body firstly and then slides down along the positioning pin to compress the damping rod and the buffer spring, and meanwhile the buffer rubber sleeve also plays an elastic buffer role; by means of the structure, impact force in the butt joint process is effectively buffered, impact on the goods shelf body and the AGV body is reduced, the structural integrity of equipment is protected, the stability and reliability of butt joint are improved, and the service life of the equipment is prolonged.

The invention discloses a high-precision concrete liquid penetration test integrated system and a use method. The system comprises a closed liquid containing box, a self-absorption turbine, a tank body, an upstream high-precision flow meter, a downstream high-precision flow meter, a data acquisition port set, a downstream data acquisition port set, a liquid pressure detector, a digital display differential pressure sensor, a concrete permeation device and a multi-channel recorder. The system can comprehensively collect the flow velocity, the surface pressure and the up-down pressure difference before and after the liquid flows through the concrete test piece, and synchronously display real-time data to computer software. Synchronous data acquisition ensures the accuracy of test data under different boundary conditions, and the system provided by the invention can accurately measure the permeability of concrete test pieces with different shapes and different fracture states under different pressures on the premise of not influencing the structural integrity of the test pieces.

The invention relates to the technical field of pipeline detection, and particularly discloses a corrosion analysis method and device for gas pipeline integrity management and a medium. The method comprises the following steps: determining a key corrosion risk position; acquiring pipeline state data of the key corrosion risk position; analyzing the pipeline state data based on a preset corrosion prediction model to generate a corrosion degree; determining the residual strength of the key corrosion risk position based on the corrosion degree and the pipeline attribute data; and evaluating the structural integrity of the key corrosion risk position based on the residual strength, and generating a corrosion analysis result. Through corrosion degree analysis and structural integrity analysis of a key corrosion risk position, fundamental conversion from static general detection to dynamic fine detection is realized, a real high-risk position in a current state can be actively identified, the number of unnecessary excavation verification times is greatly reduced, and the construction efficiency is improved. And the maintenance cost is obviously saved, and secondary damage to the pipeline due to excessive detection is avoided.

The invention discloses a method and a device for determining creep damage of a high-temperature part coupled with fatigue damage, a medium and a product, and relates to the field of high-temperature part safety assessment, the method comprises the following steps: constructing a cyclic elastic-plastic constitutive model; building a high-temperature part finite element model; the cyclic stress-strain and fatigue process of the high-temperature part under the service cyclic load is simulated; calculating the fatigue damage of the high-temperature part under the cyclic load spectrum; through fatigue damage and creep damage, the initial ratchet deformation serves as initial deformation of the creep damage stage of the high-temperature component, a service temperature field and a service load of the creep damage stage are applied to the high-temperature component, and elasticoplastic deformation and creep deformation of the component in the creep damage stage are obtained; and constructing a failure criterion and judging whether a failure occurs or not. According to the method, the creep-related structural integrity of the high-temperature part subjected to fatigue damage can be analyzed, and creep failure of the high-temperature part is prevented.

The invention belongs to the technical field of mechanical property testing, and particularly discloses and provides a coal rock sample mechanical property intelligent testing system and method.The coal rock sample mechanical property intelligent testing system comprises a consistency verification module, a test piece dividing module, a density testing module, a triaxial testing module and a report generating module; standardized screening is carried out on the size, morphology and structural integrity of the test piece, physical characteristics are ensured to be unified, individual difference interference is avoided, then density and triaxial testing are integrated, density, triaxial compressive strength and shear strength parameters are synchronously obtained, a multi-dimensional data system is constructed, the problem that in the prior art, parameters are single is solved, and the test efficiency is improved. The method comprehensively supports comprehensive evaluation of coal rock mechanical properties, and meanwhile, by outputting a structured report containing a measured value, an adaptive threshold value, a judgment result and an unqualified item and clearly marking the unqualified item, the limitation that manual secondary processing is needed in the prior art is solved, seamless connection of testing, evaluation and engineering application is achieved, and the engineering application value is improved.

The invention discloses a vacuum brazing quality detection method for a heat dissipation structure and related equipment, and the method comprises the steps: obtaining heat flux density distribution data of the heat dissipation structure, and dividing the heat dissipation structure into different functional regions according to a thermal efficiency index; differential thermal pulses are applied to the heat dissipation structure in the vacuum brazing process, and thermal pulse response data and technological process monitoring data are obtained; calculating a thermal response characteristic parameter, comparing the thermal response characteristic parameter with a preset parameter range, identifying an abnormal state and generating a process adjustment instruction; performing time-space synchronization processing on the thermal response characteristic parameters and technological process monitoring data, and determining defect types, positions and severity; and performing a thermal load test to obtain heat conduction characteristic data, and quantitatively evaluating the structural integrity and the heat conduction performance of the brazed joint surface. According to the method, the defects of the internal joint surface can be detected in real time in the vacuum brazing process, the heat dissipation performance is accurately evaluated, and the limitation of a traditional detection method in coping with a complex geometric structure is solved.

An anchor system including a slip, and a cone supportive of the slip in a set position, the cone being configured to reduce structural integrity thereof upon receipt of a signal. A method for operating an anchor including sending a signal to an anchor, and reducing the structural integrity of the cone. A borehole system including a borehole in a subsurface formation, a string in the borehole, and an anchor, disposed within or as a part of the string.

The invention relates to a cable bridge fault detection method and system based on deep learning, and the method comprises the following steps: carrying out the multispectral image collection of a region of a cable bridge, and obtaining a multispectral image data set; performing background modeling and noise suppression on the multispectral image data set through a multiscale Gaussian mixture model to obtain a multispectral enhanced image data set; performing cable bridge edge-gradient double-constraint segmentation on the multispectral enhanced image data set to obtain a bridge structure contour feature map; performing anomaly detection on the bridge structure contour feature map to obtain a bridge structure integrity anomaly map; and performing deformation-corrosion joint identification analysis on the cable bridge based on the bridge structural integrity anomaly graph to obtain a bridge fault type marking graph, thereby solving the technical problems of low efficiency, high cost, large subjective judgment error and difficulty in discovering a hidden fault in a traditional mode depending on manual inspection.

The invention relates to the technical field of strength detection, in particular to a tunnel freezing pipe structure integrity detection method and system.The method comprises the following steps that stress values and strain values under the differential temperature gradient and pressure distribution condition are analyzed based on the diameter, wall thickness, length and elastic data of a tunnel freezing pipe, and mechanical parameters of key nodes and connecting parts are identified; and analyzing a local stress concentration area and crack propagation, and generating stress and strain distribution prediction values. According to the method, the detection precision is improved through multi-dimensional parameter analysis and refined prediction, mechanical parameters and crack propagation areas of key parts are accurately identified, local stress concentration and potential damage are defined, efficient path planning and equipment frequency distribution are achieved by combining damage path sorting and real-time data dynamic adjustment, continuous monitoring of the key areas is ensured, and the accuracy of the detection is improved. By optimizing the damage index and evaluating the structure risk in real time, the overall state and local risk of the freezing pipe are comprehensively controlled, and the detection scientificity and reliability are improved.

The invention discloses a ship body pipe fitting welding device for ship manufacturing, relates to the technical field of welding devices, and solves the problems that the contact area of a ship body pipe fitting welding point location is small, the bearing capacity of a welding position is weak, the later repair rate is high, and the service life is short. The ship body pipe fitting welding device for ship manufacturing comprises a device rack; the pipe fitting conveying assemblies are mounted on the two sides in the device rack; and the butt welding seam structure is mounted in the center of the interior of the device rack and located between the two pipe fitting conveying assemblies. According to the method, the mode that the weld joint is reserved and the groove is ground is adopted, the edge defects of the ship body pipe fitting can be eliminated, it is ensured that the root of the weld joint is completely penetrated, and the defect risks of incomplete penetration, slag inclusion and the like are reduced. Meanwhile, the concave part of the groove is polished, so that the effective welding seam area can be increased, the bearing capacity and structural integrity of the welding position of the ship body pipe fitting are improved, and the service life of the ship body pipe fitting can be effectively prolonged.

The invention relates to the technical field of fire-fighting butterfly valve production, in particular to a fire-fighting butterfly valve assembly punch forming device which comprises a machine body, a lower supporting plate is fixedly installed on the upper end face of the machine body, limiting sliding columns are fixedly installed at the four corners of the upper end face of the lower supporting plate, and an upper supporting plate is jointly and fixedly installed at the upper ends of the limiting sliding columns. A driving mechanism used for providing power for the stamping fluted disc is arranged on the upper supporting plate. A positioning, flat pressing and stamping integrated operation model is adopted to complete three-stage punch forming operation of the fire-fighting butterfly valve handle fluted disc, in the three stages of punch forming operation, fitting supporting, expansion positioning, bearing plate fitting and rectangular limiting frame locking are provided correspondingly, the stamping force can be evenly dispersed, excessive deformation of materials is prevented, and the service life of the fire-fighting butterfly valve handle fluted disc is prolonged. The flatness and the overall shape of the fluted disc are improved, it is ensured that the fluted disc is kept at the correct position in the stamping process, the locking stability is further enhanced, the structural integrity and the anti-fatigue performance of the fluted disc are improved, and finally it is ensured that the stamping quality of each fluted disc meets the preset standard.

The invention aims to provide an aircraft blade detection probe and method based on flexible double-frequency differential eddy current, and relates to the technical field of nondestructive testing, when defect detection of an aircraft blade is carried out, a flexible substrate can be adaptively attached to a complex curved surface of the blade; the double-frequency excitation coil cooperatively works through high frequency and low frequency and respectively captures surface micro-cracks and subsurface corrosion defects, and when differential signal amplitude fluctuation occurs in the differential receiving coil, it can be judged that abnormal damage exists in a corresponding blade area; if the coil induction signal is kept stable and unchanged, the corresponding area is in a normal state, and the geometric characteristics of the damaged part can be quantitatively analyzed by observing the numerical range of the amplitude change; specifically, the intensity of signals output by the induction lines and the integrity of the blade structure are in positive correlation, and the larger the fluctuation value is, the more serious the damage degree is.

The invention discloses a construction method for prefabricating and assembling a seabed energy storage tank through prestress, and belongs to the technical field of structural engineering. The energy storage tank comprises a plurality of sub-spherical shell units and prestressed reinforcements. The construction method comprises factory prefabrication and field assembly processes of the plurality of sub-spherical shell units. The sub spherical shell units are made of common concrete or ultra-high performance concrete or ultra-high toughness concrete, PVC or metal corrugated pipes used for allowing prestressed steel bars to penetrate through are pre-buried in the shell framework, and anchorage device positioning grooves are reserved in the edges of the shell framework. A plurality of sub spherical shell units are sequentially spliced on site, high-strength prestressed steel bars are arranged in a pipeline in a penetrating mode and are tensioned in a segmented mode, anchorage devices are installed at the ends of the steel bars for fixing, and an overall spherical structure is formed. And sprayed concrete materials are applied to the joints and the positioning grooves for sealing, so that a closed energy storage spherical tank structure is formed. The method is suitable for an energy storage system in a deep sea high-pressure environment, and has the characteristics of simple and convenient construction process and good structural integrity and water tightness.

Box blanks, bag-in-box systems, and methods for forming bag-in-box systems from box blanks. The box blanks (100) include portions and flaps configured to fold and interlock with each other so as to improve structural integrity and reduce lateral deformation, have cross-corrugation and simplified fabrication, and have fewer or no internal edges or corners that may jeopardize the integrity of a bag of liquid or pourable powder contained therein.

The invention discloses a novel telescopic pipe structure of a high-temperature and high-pressure well and an optimal configuration method of a pipe column of the novel telescopic pipe structure, belongs to the technical field of oil and gas exploitation, and aims to solve the problem of buckling failure of the pipe column caused by piston force load of an existing telescopic pipe under high-temperature and high-pressure working conditions. The novel telescopic pipe is composed of an inner cylinder mechanism, an outer cylinder mechanism and a balance chamber mechanism. The inner cylinder mechanism and the outer cylinder mechanism are connected through threads, and structural integrity and reliable connection are guaranteed. The balance chamber mechanism comprises inner and outer pressure cavities and a hydraulic hole which are respectively communicated with the inner and outer pressure of the oil pipe to dynamically balance the piston force. The optimized configuration of the pipe column comprises the following three steps: S1, analyzing the mechanical behavior of the telescopic pipe column to provide a mechanical basis for configuration optimization; s2, the position of the telescopic pipe is designed, the well depth range where the telescopic pipe works is determined, and the optimal position is locked through iterative calculation; and S3, designing the number of the telescopic pipes, and determining the optimal number of the telescopic pipes meeting the compensation requirement. The stability of the high-temperature and high-pressure well pipe column can be remarkably improved, and technical support is provided for safe and efficient development of ultra-deep oil and gas wells.

The invention discloses a microdefect-containing high-temperature structure damage regulation and control method based on a dual-scale modeling method and a related device, and relates to the technical field of structural integrity evaluation and optimization of high-temperature alloy materials, and the method comprises the following steps: obtaining a plurality of alloy experiment samples subjected to standard heat treatment; the method comprises the following steps: establishing a macroscopic-microscopic dual-scale model based on an alloy experimental sample; mapping the macroscopic displacement field to a microscopic model in the macroscopic-microscopic dual-scale model, calculating a local plastic slippage cumulant, and taking a cumulative plastic slippage critical value as a fatigue failure criterion; based on the local plastic slippage cumulant and the cumulative plastic slippage critical value, defect parameter sensitivity evaluation is conducted on the alloy experiment sample, and the influence of the defect shape, the defect size and the defect position on the fatigue life is obtained; and carrying out surface gradient microstructure strengthening on the high-sensitivity area, optimizing a defect form through plastic deformation and transferring a damage accumulation position. The service life of the high-temperature structural part is remarkably prolonged.

A portable, handheld system designed for anchoring and securing ladders, pump jack scaffolding, and walkways on pitched roofs or inclined surfaces. The invention includes three platform configurations, each with a variable pitch adjustment for leveling across multiple roof angles: (1) a ladder stop platform equipped with a 360-degree stop mechanism for multi-directional ladder stabilization; (2) a pump jack platform that provides a stable base for supporting pump jack systems and scaffolding; and (3) a walkway platform configured with parallel plank attachment bars and integrated guardrails for safe foot traffic. Each platform features anchor beds for secure attachment to structural elements like roof trusses and reinforced lateral rib members for uniform load distribution, enhancing structural integrity and load-bearing capacity across the system.

The invention discloses a self-prestressed steel beam with local constraint, a dry-type connecting frame structure, a beam slab system and a construction method.The self-prestressed steel beam is formed by connecting I-shaped steel I and I-shaped steel II in a staggered mode, and the inner surface of a lower flange of the I-shaped steel I and the inner surface of an upper flange of the I-shaped steel II are each provided with a row of studs on the two sides of a web in a welded mode; longitudinal steel bars are bound on the studs, prefabricated high-strength concrete is poured into a formwork in the flanges, webs of the first I-shaped steel and webs of the second I-shaped steel are in dry connection through connecting plates and high-strength bolts, and the self-prestressed steel beams and the prefabricated reinforced concrete columns are connected to form a truss frame. Two frames are connected through a prefabricated composite beam to form a frame beam-column system, a self-resetting device and a friction energy dissipation device are arranged at a beam-column joint, and a beam-slab system is obtained by combining a prefabricated double-T-shaped composite floor slab and a dry-type connecting frame structure, so that the problems of low anti-seismic property, difficulty in repairing after an earthquake and the like existing in traditional dry-type connection can be solved; and the structural integrity is improved.

The invention relates to the technical field of engineering construction, and discloses a pipeline groove inserting plate type supporting structure and a mounting construction method.The pipeline groove inserting plate type supporting structure comprises stand columns arranged in parallel, and vertical guide sliding grooves are formed in the inner sides of the stand columns; the multiple layers of inserting plates are embedded between the two rows of stand columns through the guide sliding grooves; the supporting rods are connected with middle nodes of the two rows of stand columns, and adjustable connectors are arranged at the ends of the supporting rods; enclosing purlins are arranged on the outer sides of the tops of the stand columns and fixedly connected with the stand columns through bolts; a horizontal cross rod is arranged on the inner side of the bottom of the stand column. The guide sliding grooves of the stand columns are matched with the inserting plates, accurate positioning is achieved when the inserting plates are pressed in a layered mode, the adjacent inserting plates are arranged in a staggered joint mode, joint sealing treatment is combined, a continuous closed soil blocking barrier is formed, water and soil leakage is effectively blocked, cooperative stress of a soil body and the inserting plates is enhanced, and therefore a dynamic construction mechanism of supporting while digging is achieved; soil deformation is matched in real time, and the supporting efficiency and the structural integrity are remarkably improved.

Embodiments relate to an enhanced method for building walls by primarily reducing the time for assembly. The design is for a molded multi-segment plastic composite construction block that interlocks horizontally, vertically and orthogonally with a clearance-fit, does not require mortar for structural integrity and is self-aligning. The blocks are molded out of natural-fiber reinforced thermoplastic composites with thermal expansion coefficient less than 0.0002 per degree Celsius and compression strength greater than 60 MPa.

The invention belongs to the field of tunnel supporting, and particularly relates to a self-adaptive large-deformation 3D printing tunnel supporting structure and a dynamic adjusting method. In order to solve the problem that the damage risk of the supporting structure is increased due to large deformation in existing tunnel excavation, the supporting structure comprises a plurality of in-situ printed concrete units, grid nodes, a steel cable, a jack and a control system, and the tension of the steel cable can be adjusted through the jack according to data collected by a stress-strain sensor; the concrete arch frame deforms along with the deformation of the tunnel; according to the method, the tension of the steel cable is adjusted according to the real-time monitoring condition of the stress-strain sensor, so that the concrete arch frame is changed, self-adaptive adjustment of the concrete arch frame is achieved, stress balance of the concrete arch frame is achieved, the possibility that the concrete arch frame is damaged is reduced, and the structural integrity of the concrete arch frame is guaranteed.

The invention relates to the technical field of dies, and particularly discloses a ceramic guide rail cross beam die which comprises a die body, plug pieces are arranged at the two ends of the die body, and sealing gaskets are bonded to the plug pieces; a hanging ring is fixed on the mesh enclosure, a side door is arranged on the mesh enclosure, one side of the side door is connected with a main body of the mesh enclosure through a pivoting piece, the other side of the side door is fixed with the main body of the mesh enclosure through a fixing pin, and the mesh enclosure is fixedly connected with the bottom plate through a support; a threaded hole is formed in the top end of the core shaft, a pull ring or a screwing piece is correspondingly connected with the threaded hole, and the core shaft is annularly sleeved with a tray; the tray is made of a cloth material and is of a rectangular-ambulatory-plane frame structure; the problem that in the prior art, a pressed product has the defects of water leakage and the like is mainly solved, the ceramic guide rail has the advantages that the structural integrity of the ceramic guide rail is kept, deformation is not prone to occurring, and the service life of the forming die is longer.

The invention discloses a tower crane foundation and basement foundation combined construction structure and method. The tower crane foundation and basement foundation combined construction structure comprises a basement foundation and a tower crane foundation. The foundation pit is divided into upper and lower layers; the tower crane foundation is located in the lower-layer foundation pit, and the top of the tower crane foundation extends to the upper-layer foundation pit; the basement foundation is located in the upper-layer foundation pit, and the upper surface of the basement foundation is flush with the upper surface of the tower crane foundation; the tower crane foundation and the surrounding basement foundations are integrally poured and formed; a plurality of pile foundations are arranged in the foundation of the lower-layer foundation pit at intervals, and the top ends of the pile foundations extend into the tower crane foundation; the bottom ends of the tower crane embedded supporting legs are embedded in the tower crane foundation, and the top ends of the tower crane embedded supporting legs protrude out of the upper surface of the lifting foundation and are connected with an external tower crane. The cushion layer is laid at the bottoms of the lower-layer foundation pit and the upper-layer foundation pit, and the brick blank film is built on the side wall of the lower-layer foundation pit; the waterproof structure is laid on the surface of the cushion layer and the brick blank film, located among the foundation pit, the basement foundation and the tower crane foundation and integrated. The concrete consumption is greatly reduced, and the overall waterproof quality is improved; in addition, the tower crane foundation and the basement are high in structural integrity, and the tower crane is safe, reliable and high in applicability after being installed.

The invention belongs to the technical field of metal forming machining, and provides a micro-channel structure manufacturing process which comprises the steps that channels are machined in the surface of a raw material plate, and a bottom plate is obtained; diffusing and welding a cover plate on the surface of the bottom plate to cover the bottom plate to obtain a first prefabricated plate; forming a groove in the surface of the first precast slab to obtain a second precast slab; pressing and forming the second precast slab by using a mold to obtain a third precast slab; and the groove in the surface of the third prefabricated plate is subjected to filling welding to obtain the micro-channel structure with the curved surface. Before compression molding, the grooves are formed in the surface of the first prefabricated plate on the outer side of the bending direction of the designed micro-channel structure, and the grooves can increase the extension degree of ribs between adjacent micro-channels, reduce the extension degree of the outer side walls of the micro-channels and even eliminate extension of the outer side walls of the micro-channels, so that the outer side walls of the micro-channels are prevented from being thinned; therefore, the wall thickness of the micro-channel is consistent, and the structural integrity and strength performance of the micro-channel are ensured.

The utility model discloses a movable overhanging operation platform for high-place operation. Comprising a person getting-on platform, a person getting-on crawling ladder which is installed on the person getting-on platform and used for climbing to the person getting-on platform, an operation platform which is installed above the person getting-on platform and located on one side of the person getting-on platform, a step table which is installed above the person getting-on platform and located below the operation platform, and a weight box which is arranged at the bottom of the person getting-on platform and is far away from one side of the operation platform. Universal wheels are installed at the bottom end of the people getting-on platform, and a stepping ladder stand is connected between the people getting-on platform and the stepping table. By arranging the people loading platform and the operation platform, construction of workers is facilitated, the stability of the whole frame body is guaranteed in cooperation with the inclined struts and the weight box, the whole frame body is welded, the structural integrity is better, two anti-inclination measures of the balance weight and the inclined struts are adopted, safety is higher, the construction efficiency can be improved, the overall operation efficiency is high, and cost is saved.

The invention provides a self-adhesive pavement local disease repair blanket and a preparation process and application thereof, the repair blanket is of a rectangular sheet structure, and sequentially comprises an anti-wearing layer, a high-viscosity tough asphalt layer, a self-healing composite structure layer, an anti-crack reinforcing layer and a self-healing bonding layer from top to bottom. The self-healing composite structure layer is composed of a crack limiting induction film layer and a shape memory polyurethane strip. Through the collaborative design of introducing the anti-crack reinforcing layer and the high-viscosity and tough asphalt layer into the repairing blanket structure, the stress fluctuation transmitted by base cracks can be effectively buffered, and the stress concentration degree of the surface layer is reduced, so that the occurrence of reflection cracks is inhibited, and the structural integrity of a pavement repairing area is improved; a self-adhesive composite structure which can be used at normal temperature is adopted, traditional operation steps such as heating, mixing or sealing layer laying are not needed in the construction process, the construction process is simplified, and the maintenance time is shortened.