25results about How to "Meet engineering requirements" patented technology

The invention relates to a mechanical device for grouting and a grouting method. Comprising a grouting vehicle, a mechanical arm base, a driver, a mechanical arm arranged between the mechanical arm base and the driver, and a drilling and grouting integrated grouting device arranged at the tail end of the driver. The grouting device comprises a plurality of grouting pipes and water pumping pipes, each water pumping pipe is provided with a power device, and simultaneous grouting and water pumping are achieved through the grouting pipes and the water pumping pipes; the grouting vehicle is provided with a slurry stirrer and conveys slurry to the driver and the grouting pipe through a slurry conveying pipe, and grouting is achieved. And the grouting device and the mechanical arm can be folded and stored in the grouting vehicle. The device can be rotated and adjusted in multiple directions to reach a target grouting position, the number of the branch pipe supports and the number of the water pumping pipes can be selected according to the state of a grouting stratum and surrounding rock, and the device is convenient to disassemble and convenient to transport and construct; the underground water level is reduced through mutual cooperation of the water pumping pipe and the grouting pipe so that the slurry retention rate can be increased, grouting slurry can be diffused more evenly, and the expected grouting effect is achieved.

The application discloses a shear connector, a steel-concrete composite beam containing the shear connector and a construction method of the steel-concrete composite beam. The shear connector comprises an inverted truncated cone type cylinder (7), a stiffener, a cover plate, a penetrating steel bar (8) and a high-strength bolt (21); the stiffener comprises an integrally formed stiffener bottom plate (13) and a stiffener side plate (14), the size of the stiffener bottom plate is consistent with the size of the lower opening of the cylinder, and the stiffener bottom plate is attached to the lower opening of the cylinder; the stiffener bottom plate is provided with a second connecting hole for connecting the high-strength bolt; the stiffener side plate is arranged around the stiffener bottom plate and is attached to the inner wall of the cylinder; the height of the stiffener side plate is lower than that of the first connecting hole; the cover plate covers the upper opening of the cylinder; the penetrating steel bar transversely passes through the cylinder through the first connecting hole and leaves a connecting section on each side of the cylinder; and the high-strength bolt connects the stiffener bottom plate through the second connecting hole. The application realizes the disassembly and replacement of each component of the shear connector and the prefabricated bridge deck; and the structure form and stress performance of the shear connector are optimized.

The invention discloses a fractured shale gas reservoir gas-water self-absorption prediction model and method, and the method comprises the following steps: S1, obtaining a core sample of a target reservoir, drying the core sample, and obtaining the basic physical property parameters of the core sample; s2, simulating gas-water self-absorption by adopting the rock core sample to obtain sucked water volumes and contact surface areas at different moments; s3, establishing a fractured shale gas reservoir gas-water self-absorption prediction model, and fitting according to a result of the step S2 to obtain a fitting coefficient of the prediction model; and S4, according to the prediction model after the fitting coefficient is determined, predicting the water absorption capacity and the water absorption rate of the target reservoir in the unit contact area under different water absorption time. According to the method, the water absorption capacity and the water absorption rate of the fractured shale gas well in the water injection development process can be accurately predicted and obtained only through the basic physical property parameters of the rock core.

The invention discloses shield mortar with high solid waste content. The shield mortar comprises the following components in parts by weight: 30-60 parts of cement, 300-440 parts of slag, 120-200 parts of fly ash, 300-550 parts of tailing sand and 5-10 parts of a shield mortar additive, the shield mortar admixture is prepared from the following components in parts by weight: 200 to 500 parts of exciting agent, 50 to 100 parts of water reducing agent, 20 to 50 parts of thickening agent and 350 to 730 parts of filler. According to the shield mortar, the solid waste utilization rate reaches 90% or above, the cement consumption is reduced, the cost is reduced, and the performance meets the engineering requirements.

The invention discloses a rapid time-domain fatigue calculation method for a floating type wind turbine foundation structure. The rapid time-domain fatigue calculation method for the floating type wind turbine foundation structure comprises the following steps: S1, selecting an easily fatigue position in a floating type wind turbine foundation; s2, building a finite element model of an isolator in the floating fan foundation; s3, determining the main cyclic load and the acting position of the isolator; s4, independently applying a force of 1000N or 1000Nm to the position Li of the isolator model, and determining the maximum principal stress sigma 1000 of the isolator; s5, obtaining a fatigue stress factor ki corresponding to the external load cycle fi of the isolator model; s6, obtaining a stress time history curve sigma i generated by the external load cycle fi; s7, calculating a stress amplitude sigma a; s8, calculating the number of cycles; s9, obtaining a corresponding accumulated fatigue damage value D; and S10, determining the fatigue life of the key structure of the floating fan. According to the rapid time domain fatigue calculation method for the floating type wind turbine foundation structure, the calculation efficiency is improved, and calculation resources are reduced.

The invention relates to a remote control electronic measuring scale for high-altitude measurement and a measuring method thereof, the remote control electronic measuring scale can realize remote operation, the high-altitude measurement efficiency is greatly improved, and the labor cost is reduced; an operator does not need to directly climb to work, the risk of accidents is reduced, the operation safety is improved, the high-precision measurement sensor is adopted and matched with the photoelectric sensor array and the measurement module, the accuracy of measurement data is ensured, and the engineering requirements are met; real-time transmission and analysis of data can be realized through Bluetooth and Wi-Fi functions, a user interface is friendly, and the system is suitable for operators with various technical levels.

The invention belongs to the technical field of water conservancy and hydropower engineering, and provides a consolidation grouting measuring point wave velocity qualification standard determination method and a grouting quality assessment method.The consolidation grouting measuring point wave velocity qualification standard determination method comprises the steps that sites with different lithology and different grades of rock masses are selected for grouting simulation tests; the sites of the rock masses with various lithology and different grades comprise all lithology and rock mass grades of a part to be consolidated and grouted; according to the rock mass stability, the rock masses are sequentially divided into multiple types of rock masses from good to poor; and according to the rock mass stability, determining the wave velocity qualification standard of the sound wave measuring point. In the actual engineering detection process, the consolidation grouting quality of the single-hole or unit engineering is evaluated on the basis of the determined wave velocity qualification standard in combination with related requirements in a design file, it can be ensured that the consolidation grouting quality reaches the preset standard, the quality of the consolidation grouting engineering can be effectively evaluated, and it is ensured that the consolidation grouting engineering meets the engineering requirements.

The invention discloses a preparation and use method of a biogas residue soft soil curing agent, and relates to a soft soil curing method. The technical problem that an existing soft soil solidification method is high in cost is solved. The preparation method of the biogas residue soft soil curing agent comprises the following steps: drying biogas residues, soaking the dried biogas residues in a sodium hydroxide aqueous solution and concentrated hydrochloric acid in sequence, and mixing the filtered alkali leaching solution and acid leaching solution to obtain a composite exciting agent; adding aluminum oxide and / or zinc oxide into the soaked solid-phase substance, and carrying out high-temperature carbonization to obtain porous biochar; uniformly mixing the granulated blast-furnace slag, the fly ash sinking beads, the active silicon dioxide, the porous biochar and the composite exciting agent to obtain the biogas residue soft soil curing agent. The curing agent is added into soft soil to be cured, water is added for uniform mixing, curing is conducted for 21-28 days, and curing of the soft soil is completed. The unconfined compressive strength reaches 2.69 to 3.28 MPa and 6.39 to 7.37 MPa after the concrete is maintained for 3 days and 28 days, and the concrete can be applied to the field of engineering.

The application discloses a high-speed railway bridge rescue evacuation passage state comprehensive evaluation method, comprising the following steps: S1, obtaining appearance and shape parameter measurement results by measuring appearance and shape parameters of an evacuation passage based on unmanned aerial vehicle inspection; S2, obtaining pedestrian comfort evaluation results by evaluating pedestrian comfort of the evacuation passage based on acceleration testing; and S3, performing comprehensive evaluation on the high-speed railway bridge rescue evacuation passage state based on the appearance and shape parameter measurement results and the pedestrian comfort evaluation results. The application also discloses a system, a device, electronic equipment and a computer readable storage medium.

This invention relates to the field of radar fault technology, and more particularly to a three-dimensional visualization method, system, and electronic device for radar fault information. The method includes: establishing a fault information tree structure for the radar according to the hierarchical inclusion relationship of components in each radar cabinet; marking key points on the three-dimensional structural diagram of the component corresponding to each node in the fault information tree structure, and marking the smallest replaceable unit on the component corresponding to each node in the fault information tree structure, thus obtaining the radar fault information tree; constructing a realistic three-dimensional visualization scene of the radar and the roaming action of each key point based on the radar fault information tree; and combining the realistic three-dimensional visualization scene and the roaming action of each key point with the radar fault information tree to obtain a three-dimensional visualized radar fault model, which can provide error information more quickly and intuitively, guiding operators to quickly and accurately locate faulty components of the equipment, effectively shortening maintenance time.

The invention relates to the technical field of airfoil profile optimization design, and particularly discloses an airfoil profile geometric parameterization method and program with self-adaptive orders, equipment and a storage medium. The method aims to solve the problem that precision and efficiency are difficult to balance due to the fact that the order of a Bernstein polynomial depends on manual presetting in an existing CST parameterization technology. According to the core scheme, the method comprises the steps of obtaining airfoil profile coordinate data and performing normalization processing; determining a class function according to the airfoil profile type; automatically searching and determining the optimal order of the Bernstein polynomial by combining a genetic optimization algorithm and taking the relative change rate of the fitting error as a judgment criterion; and constructing a parameterized model based on the optimal order and outputting geometric parameters. The method has the beneficial effects that the self-adaptive determination of the order is realized, overfitting and calculation redundancy are effectively avoided, the design efficiency is improved while the precision is ensured, and the method has good universality and is suitable for parameterization design of various airfoils.

The utility model relates to a punching machine moving die which comprises a machine body, a punching base is arranged on the machine body, a guide column is arranged on the machine body, a punching plate capable of vertically punching is arranged on the guide column, a plurality of positioning blocks are arranged below the punching plate, a T-shaped cavity is defined by the positioning blocks and the punching plate, and the T-shaped cavity is communicated with the punching base. A movable plate is movably arranged in the T-shaped cavity, and a plurality of forming punches are arranged on the movable plate. The utility model has the beneficial effect of being capable of finishing the processing of a plurality of working procedures at one time. Through the continuous movement of the punching device and the synergistic effect of the multiple punches, multiple machining steps can be completed in one punching period, and the production efficiency and the machining consistency are improved.

This invention belongs to the field of geotechnical filling construction technology and discloses a method for mixing geotechnical materials. The method includes the following steps: separating and stockpiling various geotechnical materials; determining the single-batch mixing volume of each geotechnical material; using an excavator to load each geotechnical material into a dump truck bed according to its corresponding single-batch mixing volume; dumping the geotechnical materials from the dump truck bed onto the ground to form a first mixed pile; using an excavator to load the first mixed pile into the dump truck bed; dumping the geotechnical materials from the dump truck bed onto the ground to form a second mixed pile; determining whether the second mixed pile is uniformly mixed; if so, transporting the second mixed pile to the filling construction area; otherwise, repeating steps S3, S4, and S5. This method improves the uniformity of geotechnical material mixing and the efficiency of the mixing operation, reduces the cost of the mixing operation, and is not constrained by the construction site.

The utility model discloses a stop valve for a pipeline, and aims to solve the problems that in the prior art, when a stop valve needs to be opened from a closed state, the resistance is large sometimes, a female user often encounters the situation that operation is jammed and laborious, sometimes, the stop valve needs to be quickly closed for throttling, and one circle of 360-degree rotation can be achieved only by screwing the stop valve 4-5 times with the hand each time, so that the use is inconvenient. The manual stop valve comprises a valve body, a valve rod, a valve cover and a manual execution assembly. The valve rod comprises an external thread column, a square head column and a limiting rod body; the manual execution assembly comprises a starting hand wheel, a limiting column, an execution hand wheel and a locking nut. The limiting column is used for limiting the square head through hole; the starting hand wheel comprises a first rim, a first spoke and a first hub; the first hub is provided with a first square-head through hole; the execution hand wheel comprises a second rim, a second spoke and a second hub; and the second hub bag comprises a second square head through hole and an auxiliary rotation execution part.

The invention discloses an application of a key technology of waste stone chips in medium and low strength grade concrete, and relates to the technical field of building materials, which comprises cement, waste stone chips, machine-made sand, broken stone, secondary fly ash, S95 mineral powder, and a polycarboxylic acid high performance water reducer. The water reducing rate of the polycarboxylic acid high-performance water reducing agent is 22%, and the solid content is 8.5%; the breaking strength of the cement in 28 days is 8.7 MPa, and the compressive strength of the cement in 28 days is 52.13 MPa; the apparent density of the machine-made sand is 2.68 g / cm < 3 >, the silt content is 2.2%, and the fineness modulus is 2.8, and the broken stones are configured in a continuous particle size of 5mm-25mm. The method has the beneficial effects that the pollution of the waste stone chips to the environment and the occupation of land resources are reduced; and as the price of the waste stone chips is far lower than that of the machine-made sand, the cost of raw materials can be remarkably reduced by partially replacing the machine-made sand with the waste stone chips.

This invention discloses a base station energy storage scheduling method and apparatus based on expert imitation and inverse reinforcement learning. The method includes: collecting multi-source data from the base station energy storage system to construct an expert scheduling sample set and an ordered trajectory set of expert preferences; training a policy network using imitation learning based on the expert scheduling sample set to obtain an initial scheduling policy model; performing inverse reinforcement learning on a reward model based on the ordered trajectory set of expert preferences to obtain an optimal reward model; using the reward value output by the optimal reward model as a reward signal in reinforcement learning, and optimizing the initial scheduling policy model in conjunction with energy storage safety constraints to obtain an optimized scheduling policy model; and outputting corresponding scheduling actions according to the current base station energy storage status during real-time operation. This invention can transform expert operation and maintenance experience into a learnable reward mechanism and control strategy, avoiding the problem of unreasonable manual reward design, and improving the economy, safety, and intelligence level of base station energy storage scheduling.

The application provides a kind of trackside equipment limit fast automatic measurement method, its device includes measuring car, laser scanner, camera, lens, encoder and operation device;Wherein laser scanner, camera and encoder are set on measuring car, lens is set on camera;Laser scanner, camera and encoder are respectively connected with operation device communication;Image is obtained by setting camera, and target equipment area in image is identified by pre-trained model, whether it is the best image is judged according to the position of frame selection area in image, for the best image, the corresponding mileage data is recorded as the actual mileage of corresponding target equipment, after completing the mileage calculation of all trackside equipment, the limit distance of adjacent trackside equipment is calculated, to judge whether it meets engineering requirements.

The utility model relates to a closing-up corner plate for a curtain wall, which belongs to the technical field of curtain wall closing-up and comprises a main body structure and a framework, a connecting component is mounted on the framework, a mounting component is mounted on the framework, a connecting piece is fixedly mounted on the right side of the framework, and the main body structure is fixedly mounted at the bottom of the connecting piece. Bolts fixedly connected with the connecting pieces are fixedly mounted at the top of the main body structure, and a connecting frame and a mounting block are fixedly mounted at the bottom and the top of the framework correspondingly. According to the closing-up corner plate for the curtain wall, by installing the connecting assembly, tools and technologies which are more convenient and easy to operate are provided for constructors, the closing-up process is simpler and more controllable, errors and adjustment in the construction process can be reduced, the construction smoothness and accuracy are improved, and by installing the installing assembly, the construction efficiency is improved. The air tightness and the water tightness of the whole curtain wall can be further improved conveniently, a constructor can conduct follow-up disassembly and installation conveniently, and then the engineering requirement is met.

The invention discloses an offshore gas storage old well sealing layer superfine cement paste system which comprises the following components in parts by weight: 100 parts of oil well superfine cement, 1-3 parts of a suspending agent, 1-3 parts of a nano reinforcing agent, 1-3 parts of an expanding agent, 3-5 parts of micro silicon, 6-7 parts of a fluid loss agent, 0-0.35 part of a retarder, 0.05-0.06 part of a defoaming agent and 54-63 parts of water. The main technical indexes of the gas storage old well sealing layer superfine cement paste are as follows: the adaptive temperature is 60-100 DEG C; the density of the cement paste is 1.70-1.80 g / cm < 3 >; the initial consistency is less than 30Bc; the free liquid of the cement paste is 0; the upper and lower density difference of the cement stone column in a settlement stability test is less than 0.02 g / cm < 3 >; the water loss of the cement paste is less than 50ml; the 24-hour compressive strength of set cement is greater than or equal to 14 MPa; the gas permeability of the set cement is less than 0.05 * 10 <-3 > mu m < 2 >, the technical requirements of the gas storage old well seal layer superfine cement paste are met, and the field application result shows that the result meets the engineering requirements.

The utility model relates to bridge road field especially, and it is new type passing road that utilizes railway bridge pier and U type groove, this new type passing road contains the car side (1) and the car side (2) of going, the car side (1) and the car side (2) of going pass through railway bridge pier (3), the car side (1) and the car side (2) of going contain the road surface respectively, and the below of road surface is arranged with U type groove (4), the galvanized iron wire net (7) is arranged above U type groove (4), bubble mixes light soil layer (6) and road surface.

The application discloses a geometric-independent circular polarization frequency reconfigurable antenna with near-zero dielectric constant and a design method, and relates to the technical field of antennas.The outer conductor of a coaxial connector is connected with a near-zero dielectric constant resonant cavity in a grounded manner, and the inner conductor is connected with a dielectric-filled rectangular waveguide through a feeding probe;one end of the dielectric-filled rectangular waveguide is electrically connected with the coaxial connector, and the other end is in communication with the opening of the near-zero dielectric constant resonant cavity; a gyromagnetic material doped body is arranged in the central region inside the near-zero dielectric constant resonant cavity; a metal upper cover plate covers the top of the near-zero dielectric constant resonant cavity, and the metal upper cover plate is provided with a ring-shaped gap radiation structure; and a magnetic biasing structure is used for applying a static magnetic field along the normal direction of the near-zero dielectric constant resonant cavity to the gyromagnetic material doped body.The application realizes frequency reconfiguration through magnetic control tuning, does not need active switching devices, has high reliability, and is suitable for multiple scene communication requirements.

The invention discloses a unit explosion-proof curtain wall. Comprising an embedded part (39) horizontally embedded in a building wallboard, an aluminum adapter L-shaped plate (13) fixed to the embedded part (39) through a T-shaped bolt set (110) and fixed to the building wallboard through an expansion screw (87), a first unit hanging part (11) fixed to a protrusion at the tail end of the aluminum adapter L-shaped plate (13) through a limiting bolt set (108), and an adjusting screw (106) adjustably fixed to the first unit hanging part (11). And the second unit hanging pieces (12), the left vertical frame (1) and the right vertical frame (2) are respectively fixed on the first unit hanging pieces (11) on the corresponding sides through a plurality of first bolt groups (103) and second sunk screws (107). The explosion-proof glass has the advantages of high heat insulation, high sound insulation, high explosion-proof performance and the like.

This application provides a fishing reel grip for connecting to the reel body via a handle, comprising: a housing, a battery, a main control unit, push-button switches, and a support frame; the outer surface of the housing has a control area and a grip area, and the housing is recessed inward to form a finger rest for accommodating fingertips, the finger rest being located between the control area and the grip area; the main control unit, battery, and push-button switches are electrically connected to each other, the support frame is mounted inside the housing, and the push-button switches, main control unit, and battery are respectively mounted on the support frame; multiple push-button switches are exposed in the housing and distributed along the circumferential direction of the control area, the main control unit and battery are located inside the housing and respectively arranged along the axial direction of the grip area, the push-button switches being used to control external recording equipment and a power drive module located in the fishing reel body. This application integrates push-button switches, facilitating one-handed operation, thereby improving adjustment speed, and providing better comfort, meeting ergonomic requirements.

This invention relates to the fields of materials science and intelligent optimization technology, and discloses a multi-objective intelligent optimization method for the composition and heat treatment process of 2xxx series aluminum alloys. This method integrates the XGBoost multi-output prediction model with four intelligent optimization algorithms: Firefly Optimization (FA), Gray Wolf Optimization (GWO), Particle Swarm Optimization (PSO), and Simulated Annealing (SA). Through an automated process of data preprocessing, multi-objective prediction, constraint optimization, and result verification, it achieves the synergistic optimization of the tensile strength (UTS), yield strength (TYS), and elongation (EL) of aluminum alloys. The system uses unique heat encoding to process categorical process parameters, introduces constraint penalty mechanisms and early stopping strategies to ensure that the optimization results meet the requirements of composition ratio and process parameter range. Experimental verification shows that the comprehensive performance of the aluminum alloy optimized by this method is suitable for the performance optimization of 2xxx series aluminum alloys in aerospace, automotive manufacturing, and other fields, significantly reducing R&D costs and time.

The invention provides beta gypsum-based stack-shotcrete applied to mine mining support, and relates to the technical field of stack-shotcrete. The beta gypsum-based stack-shotcrete is prepared from the following raw materials in parts by weight: 30 to 50 percent of beta gypsum, 10 to 20 percent of Portland cement, 5 to 15 percent of silica fume, 5 to 15 percent of fly ash, 15 to 25 percent of sand, 10 to 20 percent of stone, 5 to 25 percent of fiber filler, 1 to 5 percent of polymer, 3 to 5 percent of diatomite, 5 to 30 percent of active mineral admixture, 0.2 to 0.8 percent of modifier, 0.3 to 0.6 percent of waterproof agent, 0.6 to 1.0 percent of adhesive and 1 to 3 percent of calcium hydroxide. By containing the Portland cement, silica fume, fly ash and other components, the concrete has high strength and excellent durability, and can withstand the challenge of mine environment. And through reasonable cement proportion and stones with proper particle size, the concrete keeps good fluidity, so that the piling and spraying construction is facilitated, and the mine hole wall is effectively filled and supported. The polypropylene fibers, the glass fibers, the polyester fibers or the steel fibers are adopted, so that the crack resistance and the impact strength of the concrete are effectively enhanced.