24results about How to "Guaranteed structural performance" patented technology

The invention discloses a rapid heating wavelength-adjustable laser chip integrated with a heat insulation pad and a preparation method, the rapid heating wavelength-adjustable laser chip comprises an epitaxial structure, a passivation layer, P-surface metal and N-surface metal, and the epitaxial structure comprises a substrate layer, a lower limiting layer, an active layer and an upper limiting layer from bottom to top in sequence; the active layer is set to be a passive area and an active area along the cavity length direction, a grating structure is arranged in the upper limiting layer, and the grating structure is arranged corresponding to the passive area and avoids the active area; the part, corresponding to the passive area, in the lower limiting layer is sacrificed to form a cavity, and a heat insulation material grows and is filled in the cavity to form a heat resistance cushion layer; and a ridge waveguide is formed on the front surface of the epitaxial structure. The heating efficiency of the chip is improved, the heating temperature can be accurately adjusted, and the overall structural strength of the chip is high.

The utility model relates to the technical field of electronic control devices, in particular to a relay. The relay comprises a housing which is provided with an exposure hole; the static contact is fixed relative to the shell, and one side of the static contact is exposed out of the shell from the exposing hole; the signal leading-out sheet is fixed on the outer side of the shell and is connected with the static contact; the signal leading-out sheet surrounds part of the static contact in the circumferential direction of the static contact. When the signal leading-out sheet and the static contact are connected, the signal leading-out sheet is divided into a non-continuous structure around the static contact part, so that the shape of the signal leading-out sheet can be corrected and the signal leading-out sheet can be prevented from warping upwards according to the requirement on the premise of meeting ending riveting or welding, so that the signal leading-out sheet and the static contact are effectively connected and reliably contacted; therefore, the connection strength and the connection effect of the static contact and the signal leading-out sheet are improved. Therefore, the signal leading-out sheet and the static contact in the relay can be effectively connected, and the reliability after the signal leading-out sheet and the static contact are connected is improved.

This disclosure provides a method for forming a semiconductor structure and the semiconductor structure itself, relating to the semiconductor field. The method for forming the semiconductor structure includes: providing a substrate; performing a first etching on the substrate to form an array of openings, the openings exposing a target region of the substrate; performing a first cleaning of the openings with deionized water; depositing a first conductive layer, the first conductive layer at least covering the sidewalls and bottom surface of the openings; doping the first conductive layer covering the bottom surface of the openings to form a first implantation layer; performing a second cleaning of the openings to remove the first implantation layer and the first conductive layer, exposing the target region; oxidizing the exposed target region with a strongly oxidizing chemical substance to form an oxide layer; and performing a third cleaning of the openings to remove the oxide layer. By combining deionized water, the second cleaning, the strongly oxidizing oxidation, and the third cleaning, damage to the semiconductor structure is reduced, ensuring the electrical and structural performance of the semiconductor structure.

The invention discloses a high-dimensional seismic data denoising method and device. The method comprises the following steps: segmenting a high-dimensional seismic data volume into a plurality of data blocks by using a sliding window; taking the data block with the corresponding de-noised data as a sample to obtain a sample set, and training a Transform model to obtain a de-noising model; and inputting a plurality of data blocks obtained by segmenting the high-dimensional seismic data volume into a denoising model, and obtaining a denoised seismic data volume of the high-dimensional seismic data volume according to an output result of the model. According to the method, intelligent suppression of high-dimensional seismic data noise can be realized by using high-dimensional features of seismic data based on a deep neural network Transform model, and the denoising precision is high.

The invention discloses a construction method for an anti-skid groove of a cold branch pipe structure layer in a skiing road snow covering area of an indoor skiing field. The construction method comprises the steps that cold branch pipes are arranged on an isolating layer with a certain gradient; covering the cold branch pipe to construct lower-layer concrete, and burying the cold branch pipe in the lower-layer concrete; arranging and constructing an extruded polystyrene foam board on the lower layer concrete through a concrete dock; covering the concrete dock weighbridge, exposing the extruded polystyrene foam board construction upper-layer concrete, and enabling the upper surface of the upper-layer concrete to be flush with the upper surface of the extruded polystyrene foam board to form a cold branch pipe structure layer; and after the upper-layer concrete reaches the hardness condition, all the extruded polystyrene foam plates are removed, so that anti-skid grooves are formed in the cold branch pipe structure layer. According to the method, the difficulty of constructing the anti-skid groove in the cold branch pipe structure layer is reduced, the construction efficiency is improved, the construction period is shortened, the construction quality is improved, the labor intensity of workers is reduced, the problem of damage to the cold branch pipe is avoided, the structural performance of the cold branch pipe structure layer is guaranteed, and the precision of the burying position of the cold branch pipe is improved.

The invention relates to the technical field of education information processing, and discloses a companion bidirectional evaluation method and device, electronic equipment and a storage medium, and the method comprises the steps: building an evaluation group, determining a mutual evaluation object, distributing the homework content of an evaluated person to an evaluator, and feeding back the homework content evaluation result to the evaluated person after the evaluator submits the homework content evaluation result. The evaluated person performs quality evaluation on the homework content evaluation, and determines whether the evaluator has an abnormal evaluation behavior or not according to the homework content evaluation result set and / or the quality evaluation result set; and when it is determined that the evaluator does not have the abnormal evaluation behavior, a companion bidirectional evaluation result is obtained, so that bidirectional evaluation of the homework content and the evaluation quality is realized, abnormal behavior recognition is realized, the fairness of companion mutual evaluation is improved, and thus the teaching quality of companion mutual evaluation and the evaluation ability of learners are improved.

The utility model relates to a butterfly-shaped bridge deck slab structure with a leveling function. The butterfly-shaped bridge deck slab structure comprises a deck slab body and a leveling device. The panel body comprises a main rib section, flat plate sections and flange plates, in the left-right direction, the two flat plate sections are located on the two sides of the main rib section, the two flange plates are located on the outer sides of the two flat plate sections respectively, and the thickness of the main rib section and the thickness of the flange plates are larger than the thickness of the flat plate sections; a front leveling groove and a rear leveling groove are formed in one flange plate, and two sets of leveling devices are correspondingly installed; the leveling device comprises a high-strength screw, a threaded sleeve and a positioning steel plate, the positioning steel plate is fixed to the lower end of the threaded sleeve, the positioning steel plate and the threaded sleeve are integrally embedded below the leveling groove, the high-strength screw is screwed into the threaded sleeve and penetrates through the positioning steel plate, the lower end of the high-strength screw extends out of the flange plate, and the upper end of the high-strength screw is located in the leveling groove. The bridge deck slab structure is optimized, the strength is guaranteed, meanwhile, the self weight of the structure is greatly reduced, the manufacturing difficulty is reduced, and the bridge deck slab structure belongs to an assembly type bridge structure.

The present invention relates to the technical field of bridges, and specifically to a corrugated steel plate profiled steel support system and a construction method; the support system is installed between the webs of the main beams, and the corrugated steel plates and the bridge deck concrete cast on the corrugated steel plates are supported by the support system, and the characteristics are: the support system is composed of a number of transverse square steels and longitudinal square steels installed with each other, the two ends of the transverse square steels are connected between the main beam top plate and the main beam web by connecting plates, the corrugated steel plates are placed on the main beam top plate and the longitudinal square steels, and the bridge deck concrete is cast on the corrugated steel plates. The corrugated steel plate profiled steel support system has the characteristics of simple structure, lightness, reliability, and easy installation. Without greatly increasing the amount of materials and construction measures, it provides effective support for the weaker corrugated steel plates, and ensures the structural performance of the corrugated steel plate composite bridge deck. The system can be widely used in the support structure of various types of corrugated steel plate composite panels.

The utility model discloses a radiator capable of improving heat dissipation efficiency, which comprises a heat pipe, a vapor chamber and heat dissipation fins, the heat dissipation fins are provided with first V-shaped fins and second V-shaped fins, the first V-shaped fins and the second V-shaped fins are provided with V-shaped air guide shapes, the second V-shaped fins are provided with composite coil stock sections, the composite coil stock sections are provided with aluminum coil layers and copper coil layers, and the aluminum coil layers and the copper coil layers are arranged on the heat pipe. The copper coil layer is attached to the heat pipe, the aluminum coil layer is located on the side, away from the heat pipe, of the copper coil layer, the heat pipe is connected with the vapor chamber and the cooling fins, and an on-plate boss is arranged at the lower end of the vapor chamber and attached to a heat source. The radiator capable of improving the heat dissipation efficiency comprises the heat pipe, the vapor chamber and the fins with the composite coil section and the V-shaped air guide structure, the heat dissipation capacity is improved on the combined structure, the heat transfer performance is better, the structural strength and performance are guaranteed, the physical characteristics of heat dissipation are fully utilized, the influence of a heat source on the small-range environment temperature is reduced, and the service life of the radiator is prolonged. And a preferable scheme is provided for high-order products.

The utility model relates to the technical field of electronic control devices, and relates to a connecting assembly and a relay. The connecting assembly comprises an armature support, wherein the armature support comprises a body part and a connecting part; the pushing card comprises a first part and a second part, the first part is used for being connected with the contact assembly, and the second part is located on one side of the first part in the first direction; the second part is provided with an inserting groove with a notch located in one side of the second part in the second direction, and the second direction is parallel to the rotating axis of the body part. At least part of one end of the connecting part in the second direction is inserted into the inserting groove, and a limiting groove is formed in the other end of the connecting part in the second direction; a notch of the limiting groove is opposite to a notch of the inserting groove, at least part of the pushing card is located in the limiting groove, and the limiting groove is at least used for limiting the maximum displacement of the pushing card in the third direction. By optimizing the structure of the connecting assembly, the assembling difficulty of the armature support and the pushing clamp can be reduced, and the reliability of the connecting relation can be improved.

The application relates to a prefabricated floor slab lateral connecting structure, a method and a floor slab, which comprise a first prefabricated slab and a second prefabricated slab, the first prefabricated slab and the second prefabricated slab are provided with a plurality of first grooves at edges for lateral connection, the first grooves are internally provided with connecting portions, and connecting devices are arranged between the connecting portions in the corresponding first grooves of the first prefabricated slab and the second prefabricated slab, the connecting devices comprise a shell, the bottom end of the shell is provided with fixed pressing plates on both sides, one side of each fixed pressing plate is provided with a movable pressing plate arranged opposite to the fixed pressing plate, the movable pressing plate is connected with a moving driving assembly arranged on the shell, the fixed pressing plate and the movable pressing plate on one side clamp the connecting portion of the first prefabricated slab, and the fixed pressing plate and the movable pressing plate on the other side clamp the connecting portion of the second prefabricated slab to realize lateral connection of the first prefabricated slab and the second prefabricated slab, the connecting structure improves construction efficiency and guarantees lateral connection quality.

The utility model discloses a kind of steel beam columns convenient to adjust, relate to steel beam column technical field, comprising: assembly base;Adjusting beam on the assembly base is equipped, wherein the adjusting beam includes the coarse adjustment pillar structure, fine adjustment pillar structure distributed in upper and lower;The coarse adjustment pillar structure includes first coarse adjustment column, and the second coarse adjustment column is set on the upper portion of the first coarse adjustment column;And bolt mechanism is equipped between the first coarse adjustment column, second coarse adjustment column.The utility model is equipped with coarse adjustment pillar structure, fine adjustment pillar structure, to meet basic height adjustment while, the independent adjustment characteristic of coarse, fine height, not only simplifies installation, improves construction efficiency and flexibility, and fine adjustment pillar structure fine adjustment design, installation precision and structural performance can also be guaranteed, while reducing material waste, fault tolerance is high.

The invention discloses a drum type friction plate with a long fiber woven structure and a preparation method. A continuous net-shaped fiber reinforced material is added in the preparation process of the drum-type friction plate, the continuous net-shaped fiber reinforced material is fiber woven cloth which is woven by using a continuous fiber material and has a net-shaped structure, and the structure depends on a common packaging technology of the drum-type friction plate. The preparation method comprises the following steps: alternately paving fiber woven cloth with a net-shaped structure and a friction material premix on a thin film material, folding a thin film to wrap the friction material premix and the fiber woven cloth, performing hot melting to form a closed material bag wrapping all materials, and performing hot press molding on the material bag to obtain a product, namely the drum-type friction plate with a net-shaped structure reinforcing effect. The drum-type friction plate with the long fiber woven structure has extremely high mechanical strength, the overall structural performance of a drum-type friction plate product can be guaranteed, and the drum-type friction plate product is not prone to cracking and chipping under the violent impact and harsh working conditions.

The application provides a manufacturing method of a metal ring electrode, the metal ring electrode and a mesa detector. The manufacturing method comprises the following steps: photoetching a photoresist layer with a ring-shaped step groove on a substrate; placing the substrate with the photoresist layer in an electron beam evaporation device, making the substrate perform planetary motion, and performing planetary mode metal evaporation coating on the photoresist layer and the ring-shaped step groove by the electron beam evaporation device to form a barrier layer. The posture of the substrate is adjusted, the substrate performs dome motion, and dome mode metal evaporation coating is performed on the barrier layer by the electron beam evaporation device to form a conductive functional layer; wherein, in the radial direction of the ring-shaped step groove, the two ends of the barrier layer extend to the outside of the two ends of the conductive functional layer, respectively. The photoresist layer and the barrier layer and the conductive functional layer on the photoresist layer are stripped to obtain the metal ring electrode, and then the full coverage and the dead angle shielding of the barrier layer to the conductive functional layer are realized to guarantee the structural performance of the mesa detector.

The invention relates to a core material structure, a wind power blade and a forming method. The core material structure is applied to the wind power blade. The core material structure comprises a first core material layer, a second core material layer and a reinforcing layer, the reinforcing layer is connected to the side, in the first direction, of the first core material layer, and the second core material layer is connected to the side, away from the second core material layer, of the reinforcing layer in the first direction. Wherein the reinforcing layer, the first core material layer and the second core material layer are connected in a bonding mode, and the strength of the reinforcing layer is larger than that of the first core material layer and that of the second core material layer. According to the core material structure, the wind power blade and the forming method of the wind power blade, the thickness of the core material structure can be reduced to a certain extent while the strength performance of the core material structure is met, and the core material structure can achieve high strength with the light weight.

The utility model discloses a foundation pit inclined throwing support and basement outer wall node structure which comprises an inclined throwing support obliquely arranged on a foundation slab and a foundation pit support structure, the inclined throwing support comprises a steel pipe section and a profile steel section connected with the steel pipe section, the cross section area of the profile steel section is smaller than that of the steel pipe section, the steel pipe section is arranged on the foundation slab, and the steel pipe section is arranged on the foundation slab. The profile steel section penetrates through the basement outer wall to be arranged on the foundation pit support structure, and a water stop steel plate is arranged in the profile steel section located on the basement outer wall. According to the utility model, the basement exterior wall can be constructed at the joint where the inclined throwing support penetrates through the basement exterior wall, so that the structural performance and the waterproof performance of the basement exterior wall are ensured.

The utility model belongs to the technical field of building steel structures, and particularly relates to a steel structure with an anti-deformation function, which comprises a square column I, a square column II is arranged on one side of the square column I, the square column I is movably connected with the square column II through an anti-deformation device, and the anti-deformation device comprises a limiting block. According to the steel structure with the anti-deformation function, through the arranged anti-deformation device, a limiting block is placed at the connecting position above a first square column and a second square column, movement of an air cylinder drives a lifting plate to move through a piston rod, in the descending process of the lifting plate, a protruding block drives a sliding plate to gather together along an inverted V-shaped groove, and clamping plates below the sliding plate move oppositely; through cooperative work of the lifting plate and the clamping plate, a three-dimensional clamping system is formed, the lifting plate provides upward clamping force, and the clamping plate provides lateral clamping force, so that accurate alignment and high stability are achieved, deformation in the assembling process can be prevented, the assembling efficiency is improved, and the structural performance is guaranteed.

The invention relates to the field of metal plate dies, and discloses a storage rack, a transfer tool and a transfer mounting method of an upper die of a bending machine. The storage rack is used for storing an upper die of the bending machine, and an upper die assembling sliding groove is formed in the upper die. The storage rack comprises a frame body and a hanging plate, and the two ends of the hanging plate are installed on the frame edge of the frame body. A sliding assembly structure is formed on the hanging plate, and the upper die is slidably disassembled and assembled on the hanging plate. The transfer tool comprises a movable vehicle body and the storage rack. The transferring and mounting method comprises the steps that the transferring tool is moved to the end position of a bending machine, so that a die shank in the bending machine and an upper die in a storage rack are placed in the width direction of a frame body; the end position of the die shank is lifted, so that the end of the die shank is aligned with the upper die; and the upper die is slidably mounted on the die handle from the hanging plate. The upper die can be conveniently stored, transferred, disassembled and assembled.

The present invention relates to the technical field of building foundation construction, and mainly provides an assembled shrinking foundation. The foundation includes a plurality of prefabricated substrates and prefabricated cover plates. The prefabricated substrates include a substrate body and an assembly groove body protruding from the surface of the substrate body. The plurality of prefabricated substrates are spliced ​​together through the substrate body to form a base layer, and the assembly groove bodies on the plurality of prefabricated substrates are spliced ​​together to form a groove body network. The prefabricated cover plate includes a cover plate body, a top support platform and a support foot. The top support platform is protruding from the middle of the cover plate body, one end of the support foot is connected to the side end face of the cover plate body, and the plurality of cover plate bodies are covered on the groove body network and the side end faces are flush with the inner side wall of the assembly groove body, and the other end of the support foot extends into the assembly groove body. The use of an assembled shrinking foundation with a cover can improve the overall structural reliability and service life while ensuring the efficiency of the assembly operation.

The application provides a macromonomer for preparing a polycarboxylic acid water reducing agent and a preparation method and application thereof, and the macromonomer for preparing the polycarboxylic acid water reducing agent is obtained by grafting sulfonate groups and quaternary ammonium salt on terminal hydroxyl groups of ethylene glycol monovinyl polyethylene glycol ether. The polycarboxylic acid water reducing agent copolymerized with the macromonomer provided by the application has high dispersion efficiency, strong slump retention performance and good adaptability to complex systems.

This application provides a predictive maintenance method for industrial equipment based on digital twins and spatiotemporal data, relating to the field of data processing. In this method, an equipment identifier is constructed and a uniquely bound digital twin object identifier is generated, establishing a maintenance right pool; multi-source spatiotemporal observation data is collected to form a spatiotemporal evidence film, constructing an irreversible response evidence set and a reversible response evidence set, and establishing an irreversible evidence fidelity quota; a set of maintenance right certificates is generated by combining structural topology, control topology, and constraints; target maintenance right certificates are extracted within a rolling cycle and a secondary revocation check is performed; upon successful revocation, maintenance actions are executed, and irreversible evidence is compared and replayed to generate a fidelity assessment result, which is then output as an executable maintenance recommendation in the form of a maintenance right certificate. Implementing the technical solution provided in this application facilitates the prediction model in maintaining its predictive capabilities while suppressing the mutual adaptation deviation between the digital twin and the real system.

The utility model discloses a car plate traversing system and garage equipment, including car plate, transmission motor and coupling sleeve, the car plate is rotatablely equipped with main shaft on the longitudinal side, main shaft is connected with driving wheel, the driving wheel is equipped on the track, transmission motor is fixedly connected with the car plate, the output shaft of transmission motor and main shaft are arranged on the same straight line, and the coupling sleeve is connected with the main shaft. The connecting sleeve comprises a cylinder, a first shaft hole and a second shaft hole are formed in the cylinder, one end of the first shaft hole is communicated with one end of the second shaft hole, the first shaft hole and the second shaft hole jointly penetrate through the cylinder, the cylinder is further provided with a first key groove and a second key groove which are distributed in the axial direction, the first key groove is communicated with the first shaft hole, and the second key groove is communicated with the second shaft hole. The main shaft can extend into the first shaft hole and is in transmission fit with the first key groove through a key, an output shaft of the transmission motor can extend into the second shaft hole and is in transmission fit with the second key groove through a key, and the connecting sleeve is of an integrated structure. The connecting sleeve is easy to manufacture and low in cost, and the structural performance is guaranteed.

The present invention relates to the technical field of inorganic materials, and in particular to a macroporous alumina and a preparation method thereof. The raw materials for synthesizing the macroporous alumina include the following components: potassium carbonate, ethyl acetate, low-carbon alcohol, urea / carboxyl surfactant conjugate, aluminum salt, triethylamine, triethoxysilane, sucrose and water; the urea / carboxyl surfactant conjugate is synthesized by coupling a carboxyl surfactant with urea through EDC / NHS. The present invention prepares macroporous alumina with high specific surface area and excellent pore distribution through the joint action of key components of potassium carbonate, ethyl acetate and urea / carboxyl surfactant conjugate, and the preparation method is simple in process, suitable for large-scale production, and has broad application prospects.

This invention relates to a recombinant hirudin fusion protein with collagen affinity, its preparation method, and its applications. The fusion protein is a recombinant hirudin fusion protein incorporating a collagen-binding domain (CBD). The fusion protein of this invention possesses affinity for type I and type III collagen, and can inhibit thrombin activity to exert an anticoagulant effect. Furthermore, it can bind well to collagen-based composite materials, making it suitable for use in cardiovascular implants such as heart valves, cardiac occluders, dialysis membranes, oxygenation membranes, artificial blood vessels, and vascular stents, as well as in extracorporeal circulation and blood purification devices, enhancing anticoagulant and antithrombotic effects.