96results about How to "Improve structural safety" patented technology

The utility model provides a light-emitting diode (LED) box body with a protection function, which belongs to the technical field of LEDs and comprises a box body made of aluminum materials. A first boss and a second boss are arranged on the edges of the two sides of the box body respectively, a lock catch device is integrated on the first boss, and a lock hole matched with the lock catch device is formed in the second boss. The rear cover of the box body adopts a buckle type connecting structure; protection corners are arranged at the four corners of the box body, damping rods and springs are arranged on the protection corners, and the damping rods are sleeved with the springs. The box body is also provided with a wire buckle. A handle is arranged on the box body and connected with the box body through a hinge mechanism. When the device is used, a user can quickly open or close the rear cover through a buckle type connecting structure adopted on the rear cover, namely at least two groups of symmetrically distributed buckles are clamped in the clamping grooves of the box body, so that the user can more conveniently and quickly maintain, overhaul or upgrade equipment in the box body, and the maintainability of the device is improved.

The application discloses a quick deployment control method, system and equipment for a fabricated movable building cabin, and belongs to the field of mobile buildings. The method comprises the following steps: after the fabricated movable building cabin is moved to a deployment area, a topographic survey and target landing attitude solving are performed to determine first driving parameters; an electric mechanical adjusting mechanism reaches a preset profiling attitude and is synchronously lowered; a driving current signal is synchronously collected, a current loop inflection point is identified, cabin body inertia measurement and solving are triggered, after landing, idle stroke is stopped and a load establishment stage is entered, closed loop load establishment analysis is adopted to determine an initial load, and cabin body initial landing is completed; structure strain monitoring is performed on the cabin body main structure, equivalent interference torque is analyzed, and a driving disturbance adjuster performs directional triggering and flexible service deployment adjustment. The application solves the technical problems of the prior art, such as complicated deployment process, insufficient identification accuracy under complex working conditions, and insufficient deployment efficiency and safe and stable operation.

The application belongs to the technical field of lithium ion batteries, and particularly relates to a composite aluminum foil current collector, a positive plate and a lithium ion battery. The composite aluminum foil current collector comprises a current collector and a safety coating layer arranged on at least one side of the current collector; the safety coating layer comprises ceramic particles, a conductive agent and a binder. The current collector comprises a polymer material base layer and aluminum layer current collectors arranged on both sides of the polymer material base layer. The positive plate designed by combining the composite aluminum foil with the safety coating layer and assembled with the negative plate and the separator by using the lamination process to obtain the battery cell structure can significantly improve the safety performance of the battery under the mechanical abuse condition, and can smoothly pass the needle puncture and heavy impact tests.

The utility model discloses a building tower crane guardrail with good safety performance, which comprises a plurality of platform-shaped bases, a plurality of rectangular upright posts and a plurality of guardrail frames, guardrail nets are fixedly welded in the guardrail frames, and rectangular insertion blocks are arranged at the upper ends of the center positions of the plurality of platform-shaped bases. The guardrail frame is matched with the first bolt to be fixed in the opening of the U-shaped mounting block, the threaded column on the supporting seat is inserted into the circular hole in the guardrail frame, the supporting seat is inserted into the L-shaped open groove to be matched with the stud to be fixed, the gasket nut is in threaded connection with the threaded column in a sleeved mode, and then the gasket nut and the guardrail frame are pressed and fixed. The guardrail is effectively locked and fixed, the structural stability and the safety performance are improved, a plurality of fixing rods are inserted into circular inserting grooves in a plurality of rectangular stand columns correspondingly, the fixing rods are locked and fixed through second bolts, and two steel wire barbed ropes are fixedly wound around the fixing rods between every two adjacent rectangular stand columns, so that personnel are effectively prevented from climbing the guardrail.

The application discloses a whole lifting special-shaped single-layer spherical net shell prestressed steel strand cable reinforcing method, a middle support rod is arranged below a center ring of a special-shaped single-layer spherical net shell structure, a plurality of reinforcing steel strand connecting pieces are arranged on the lower end of the middle support rod in a ring direction; a plurality of tension connecting pieces are arranged on an outer ring beam of the net shell structure in a ring direction, prestressed steel strand cables are arranged between the reinforcing steel strand connecting pieces and the tension connecting pieces and are tensioned, the lifting part of the net shell is reinforced, and a chord self-balanced net shell reinforcing structure is formed. The method of the scheme solves the difficulty that the special-shaped single-layer spherical net shell has poor rigidity and is easily damaged in the lifting process. Through the prestressed steel strand cable reinforcing method, the single-layer spherical net shell structure with poor rigidity is converted into the chord self-balanced net shell structure with good rigidity, and the structural safety of the whole lifting net shell structure is ensured.

The embodiment of the invention provides an automobile transport ship deck structure and a ship. According to the deck structure, a deck in the lower area of a cargo hold is in a continuous sheet deck form; a deck in the upper area of the cargo hold adopts a steel framework steel plate deck form; and the structural strength of the hull meets the design requirement. According to the embodiment of the invention, the number of continuous decks at the upper part is reduced, the continuous decks are changed into a frame structure, small thin plates are laid on the frame, and the structure is reinforced, so that on the premise that the structural strength requirement of the ship body is met, the thin plates are prevented from being damaged in the processes of cutting, blanking, assembling, welding, placing, transferring, turning over, hoisting and the like; and a large amount of inevitable repairing work caused by deformation is avoided, so that the construction cost is reduced, the construction time is shortened, and the safety and economical efficiency of the ship structure are improved.

This invention belongs to the field of impact impeller technology, and specifically relates to a detachable water bucket impact impeller structure and its assembly method. The technical solution is as follows: A detachable water bucket impact impeller structure includes a hub and several water buckets. Each water bucket includes a handle and blades. Several mounting grooves are provided on the edge of the hub, and the handle mates with the mounting grooves. A wedge-shaped key is provided between the handle and the mounting grooves. A limiting ring is bolted to the surface of the hub, and the limiting ring covers the wedge-shaped key. This invention provides a detachable water bucket impact impeller structure and its assembly method, facilitating water bucket replacement and ensuring reliable connection between the water buckets and the hub.

The application discloses a kind of mud-rock flow blocking dam composite shock-absorbing energy dissipation structures and design methods of preventing big stone block impact, the structure includes dam body, high damping rubber pad, composite shock absorber and impact-resistant steel plate, high damping rubber pad is fixed on dam body slope, its surface is provided with several composite shock absorbers, and impact-resistant steel plate is laid on the top of composite shock absorber;Composite shock absorber includes composite shock-absorbing unit, top plate and bottom plate, and top plate and bottom plate are fixedly connected with impact-resistant steel plate and high damping rubber pad respectively;Composite shock-absorbing unit includes composite material layer, disc spring layer, partition steel plate and compression spring, and the outside circumference of composite shock-absorbing unit is uniformly provided with several U-shaped dampers.The application cooperates high damping rubber pad, composite shock absorber and U-shaped damper to complete hierarchical energy dissipation and shock-absorbing, effectively absorbs and disperses the impact energy of big stone block in mud-rock flow, reduces dam stress concentration and damage risk, and can significantly improve the safety and service life of mud-rock flow defense system.

The invention relates to the field of external scaffold connection, in particular to a wall connecting piece device for an overhanging external scaffold of a high-rise high-frame structure. Comprising a structural floor slab, three pieces of second I-shaped steel attached to the top of the structural floor slab, first I-shaped steel attached to the tops of the three pieces of second I-shaped steel, a plurality of #-shaped outer scaffolds fixed to one ends of the second I-shaped steel, and a plurality of inclined steel pipes arranged at one ends of the outer scaffolds. The first fastening piece acts on the first I-shaped steel and the second I-shaped steel, the second fastening piece acts on the outer scaffold and the steel pipe, a connecting seat is fixed to the bottom of the steel pipe, and the connecting seat is fixed to the first I-shaped steel through a bolt; the scaffold has the advantages that the anti-overturning capacity of the scaffold is improved, the safety performance of the scaffold body is enhanced, operation is convenient and efficient, the wall connecting pieces can be rapidly disassembled and assembled, and meanwhile the structure is high in universality, is of a universal butt joint structure, is made of conventional materials and can be recycled.

The invention relates to the technical field of machine vision, in particular to a pier column lossless climbing control method based on vision and force sensing fusion, and the method comprises the steps: collecting surface defect and material information to generate a three-dimensional state vector, and matching an extrusion force threshold matrix; distributed extrusion is realized through force sensing feedback to form primary adhesion; deformation is monitored, crack and spalling damage characteristics are identified, and a third-level risk vector field is generated; determining an initial control strategy according to risk level multi-objective optimization; the optimization effect is verified through secondary visual scanning and pressure monitoring, convergence is judged through the mode length change rate and the pressure standard deviation, and iteration is fed back if convergence is not conducted; after the current layer is stable, reinforcement learning is carried out to generate a displacement track, and the next layer is activated to repeat the whole process to realize collaborative climbing. Through a closed loop mechanism of visual pre-judgment, force control execution and dynamic verification, the surface damage of the pier column is effectively avoided, and the climbing efficiency and safety under complex working conditions are improved.

This utility model relates to the technical field of electricity metering boxes, and discloses a modular electricity metering box, including a box body. A guide rail is fixedly connected to the outer wall of the box body, and a fixing block is fixedly connected to the outer wall of the box body. A buckle is rotatably connected between the fixing blocks. A handle is fixedly connected to the outer wall of the buckle, and a limit component is provided inside the buckle. A rotating rod is rotatably connected to the outer wall of the box body, and a baffle is fixedly connected to the outer wall of the rotating rod. A retaining strip is fixedly connected inside the baffle. A discharge hole is provided inside the box body. In this utility model, through the ingenious cooperation of components such as the rotating handle, buckle, rotating rod, and retaining strip, a convenient and secure connection between the boxes is achieved. At the same time, the reset and fixing mechanism formed by the spring and the baffle ensures that the box body is stable and reliable after connection, effectively avoiding loosening and separation caused by external forces, and improving the overall structural stability and safety.

This utility model discloses a collision avoidance device and auxiliary ladder for a four-pile jacket foundation of an offshore wind turbine. The device includes jacket legs, with two sets of anti-collision posts fixedly connected to the outer side of the jacket legs. The outer side of each set of anti-collision posts is fixedly connected to the jacket legs via multiple sets of support posts. Anti-collision panels are fixedly connected to the outer side of each set of anti-collision posts away from the support posts. Buffer components are fixedly connected to the upper and lower ends of each set of anti-collision panels and the anti-collision posts. The buffer components include connecting cylinders fixedly connected to the upper and lower ends of the outer side of the anti-collision posts. A telescopic cylinder is slidably connected inside the connecting cylinder. A movable post is fixedly connected to the rear end of the connecting cylinder, and an abutment sleeve is slidably connected to the front end of the movable post. This utility model, through its design, can significantly reduce the impact force of collisions on the jacket foundation, protect it from damage, and improve the structural safety of the four-pile jacket foundation of an offshore wind turbine.

A conductive terminal includes a first fixing portion, a first mating portion, a second fixing portion, and a second mating portion. The second mating portion and the first mating portion are arranged side by side along a first direction. The first mating portion includes a first spring extending along a second direction, and the first spring includes a first elastic contact portion protruding from the first fixing portion along the first direction. The second mating portion includes a second spring, and the second spring includes a second elastic contact portion protruding from the second fixing portion along the first direction. The first elastic contact portion extends along a first arcuate surface, and the second elastic contact portion extends along a second arcuate surface, wherein the protrusion directions of the first arcuate surface and the second arcuate surface are opposite along the first direction. This invention omits the adapter spring, improving structural reliability and safety. This invention also discloses an electrical connector including the conductive terminal and an electrical connector assembly.

The utility model discloses a concrete pole tip end socket structure which comprises an end socket body, a sliding groove is formed in the upper end of the end socket body, a cover plate is arranged at the upper end of the end socket body in a clamped mode, the cover plate is made of composite materials, a sliding groove is formed in the end socket body, and clamping plates are fixedly connected to the ends of a plurality of sets of sliding rods. The inner walls and the outer walls of the clamping plates and the sliding plates are all in an arc shape, elastic mechanisms are arranged on the outer walls of the sliding rods, and driving assemblies for driving the two clamping plates to slide are installed in the sliding grooves. According to the electric pole sealing head, a traditional external screw fixing mode is avoided in the mode that the clamping plates are clamped from the interior of an electric pole, penetrating screw holes do not need to be formed in the sealing head body and the electric pole, and a water seepage path is fundamentally eliminated. The clamping plates are tightly attached to the inner wall of the electric pole, the pre-tightening force of the springs is combined, a dynamic sealing barrier is formed, water and dust are effectively prevented from entering the electric pole, steel bar corrosion and concrete carbonization are avoided, the service life of the electric pole is further prolonged, and the structural safety of the electric pole is further improved.

The invention provides photovoltaic energy storage equipment which comprises a base, a telescopic frame arranged in the base and a main board connected with the telescopic frame. The auxiliary plate is arranged on the surface of the main plate and is unfolded along with rotation of the main plate, a fourth connecting rod is arranged on the surface of the auxiliary plate and the surface of the main plate, a connecting rod is connected to the surface of the fourth connecting rod, one end of the fourth connecting rod is connected with the telescopic frame, and when the base drives the telescopic frame to move, the angle of the main plate is changed, and the auxiliary plate is driven to be unfolded relative to the main plate. The dynamic adjustment of the photovoltaic acquisition area is realized, and when the illumination is sufficient, the auxiliary plate can be automatically unfolded, so that the total light receiving area is greatly increased; in severe weather or transportation, the auxiliary plate is folded on the surface of the main plate, the windward area and space occupation are effectively reduced, the balance between the power generation efficiency and the structural safety is realized, a back-mounted connecting rod scheme is adopted, all stress connecting rods and motion fulcrums are hidden on the backlight surface of the photovoltaic panel, the absolute cleanness of the light receiving surface is ensured, and the service life of the photovoltaic panel is prolonged. And the power generation efficiency of the photovoltaic panel is improved.

This invention provides a prefabricated concrete frame integrated modular housing structure and its construction method, relating to the field of building construction technology. It includes at least one floor housing structure; the at least one floor housing structure comprises multiple modular units that are spliced ​​together and prefabricated as a single unit. Each modular unit includes at least one of the following: a prefabricated edge beam, a floor slab assembly, and a structural column. In at least one pair of modular units: the adjacent corners of the two modular units together form a splicing area, and the splicing area has only one structural column. The structural column is prefabricated within any one modular unit and connects to the beam end of a prefabricated edge beam or a floor slab assembly within the other modular unit. This modular housing structure significantly reduces on-site wet work and manual binding work, while fundamentally solving the problem that narrow gaps between columns make it difficult to achieve connections, whether hinged or rigid, thus improving the seismic toughness and structural safety of modular buildings.

This invention discloses a vibration damping device and its parameter optimization method for suppressing the vibration of ultra-long cable-stayed bridges. The vibration damping device includes a first damper and a second damper disposed between the cable-stayed bridge and the bridge deck. The intersection of the cable-stayed bridge and the bridge deck is the anchorage end. The distance between the installation point of the first damper and the anchorage end of the cable-stayed bridge is a1, and the distance between the installation point of the second damper and the anchorage end of the cable-stayed bridge is a2, where a1 < a2. The dimensionless damping coefficient of the first damper is η1, where η1 = c1 / (Tm). 0.5 The dimensionless damping coefficient of the second damper is η2, where η2 = c2 / (Tm). 0.5 The value of η1 ranges from η1,opt3 to η1,opt1, and η2 ≈ 1. In the damping device of this invention, the first damper is mainly for low-order modal vibration, and the second damper is mainly for high-order modal vibration, so that each damper can play its best role. This allows the damping device to effectively suppress different modal vibrations of the cable-stayed bridge, avoid excessive or insufficient control of the cable vibration, and improve the structural safety and comfort of the bridge.

The utility model relates to the technical field of automobile instrument beam welding processing, and discloses an anti-deformation automobile instrument beam welding clamp which comprises a connecting base, a positioning plate is transversely arranged above the connecting base, an anti-deformation assembly is arranged above the positioning plate, the anti-deformation assembly comprises a first spray head and a second spray head, and the first spray head and the second spray head are arranged on the connecting base. Supporting frames are vertically and fixedly connected to the two sides of the top end of the connecting base correspondingly, and the two sides of the positioning plate are fixedly connected with the tops of the inner sides of the two supporting frames correspondingly. According to the anti-deformation automobile instrument beam welding clamp, through the arrangement of the water diversion disc, the first spray head, the second spray head, the limiting frame and the base, it is ensured that the surface of the connecting base is fully covered, water spraying treatment can be conducted on the welded automobile instrument beam, welding piece deformation is effectively prevented, and the problems that the automobile instrument beam is prone to deformation after being welded, and welding quality is poor are solved. The problems that the forming degree of the automobile instrument cross beam is reduced, subsequent use is affected, the damage rate is increased, and the production efficiency is greatly reduced are solved.

The application relates to the technical field of tunnel engineering, and particularly discloses a 3D printing integrated tunnel lining structure and a construction method thereof. The structure is sequentially provided with a concrete leveling layer, a spray membrane waterproof layer and a concrete functional layer from the side of surrounding rock inward, and is particularly suitable for supporting and waterproof construction of underground engineering such as highway tunnels, railway tunnels, urban rail transit tunnels and the like. Based on the integrated design concept, the structure is adaptively designed according to the surrounding rock grade, the spray membrane waterproof layer and the concrete functional layer are cooperatively formed by using the 3D printing technology, the bearing capacity of the lining structure is significantly improved while meeting the waterproof requirement, the construction period is effectively shortened, and the construction cost is reduced. The performance and construction efficiency of the tunnel lining structure are improved.

This invention relates to a counterweight attitude adjustment device, an aircraft attitude control system, and a control method thereof, comprising a track module, a counterweight slider module, a motor drive module, a battery module, a limiting structure, and a guide rail. The counterweight slider module can slide at high speed within the track, releasing angular kinetic energy by impacting the limiting structures at both ends of the track to correct aircraft attitude deviations. The motor drive module is powered by the battery, supporting energy recovery during the sliding process to form a closed-loop power supply system. The counterweight slider module is slidably connected to the guide rail to suppress deflection and maintain sliding stability. The limiting structure employs a combination of buffer and energy-absorbing structures to ensure efficient energy transfer and prevent structural fatigue. This invention further proposes a formula combining the attitude deviation angle and the aircraft's rotational inertia to solve for the impact velocity, achieving precise control of the attitude adjustment force. The proposed solution has advantages such as compact structure, rapid response, and strong modular versatility, and is suitable for active stabilization control of high-dynamic flight platforms such as rockets and spacecraft.

The upright bottom end damping adjustment adjustable shock absorber is provided with a shock absorber body and a handle, a movable shock absorption space is formed in the shock absorber body, a piston rod is arranged in the movable shock absorption space, a piston assembly is installed on one side of the piston rod, and an ejector rod used for ejecting the piston rod to work is arranged on one side of the piston rod. An assembling end is arranged on one side of the ejector rod, and two holes for throttling are formed in the shock absorber, so that the adjustable space of double-hole throttling is larger, the adaptability is better, the ejector rod and the floating valve are ingenious in design, oil way circulation is reasonably avoided, the oil flow requirement under any working condition is met, and the service life of the shock absorber is prolonged. Oil in a high-pressure cavity is matched with a one-way valve and an oil return hole to form an efficient hydraulic system, the synergistic effect of a piston assembly and a damping spring is combined, the damping stability is remarkably improved, and the risk of oil leakage is greatly reduced through the double-protection design of an ejector rod sealing ring and a guide sealing component.

This invention discloses a heat treatment method for improving the yield strength ratio of steel used in continuous extrusion dies. Specifically, the steel is subjected to the following sequential heat treatments: high-temperature normalizing, low-temperature normalizing, spheroidizing annealing, high-temperature quenching, high-temperature tempering, and low-temperature tempering. The high-temperature normalizing temperature is 1070℃~1100℃; the low-temperature normalizing temperature is 710℃~730℃; the spheroidizing annealing temperature is 840℃~870℃; the high-temperature quenching temperature is 1070℃~1100℃; the high-temperature tempering temperature is 620℃~640℃; and the low-temperature tempering temperature is 530℃~550℃. The yield strength ratio of the die steel after heat treatment using this method is ≥0.91, and the hardness is 48~52 HRC.

The invention provides a cognitive training device, which relates to the technical field of cognitive training, and comprises a mounting support part, the mounting supporting part is fixedly connected with a foot lifting auxiliary adapter; a foot lifting cognition adjusting part is mounted on the foot lifting auxiliary adaptive part; the foot lifting cognition adjusting part is fixedly connected with two road surface inclination detecting parts; the foot lifting cognition adjusting part is rotationally connected with a ground auxiliary attaching part. The device can assist in foot lifting height detection and training work, effectively improves the leg control force of a patient, can train the action cognition of the patient, better judges the leg lifting height, effectively reduces the risk of stumbling and the like, and solves the problem that an existing cognitive training device is not provided with a leg lifting assisting cognitive control training structure, and the training effect is poor. The problems that when the legs of a patient cannot be controlled to be too high for a long time, leg lifting obstacles are likely to be caused, and the patient is very likely to be stumbled are solved, and meanwhile an auxiliary slope exercise simulation structure does not exist.

The utility model discloses a movable safe rising and falling support for maintenance of a sewage pump. The movable safe rising and falling support comprises a supporting frame, a bearing platform, a moving mechanism and an auxiliary handle. The supporting frame is formed by welding square steel and comprises a vertical stand column and a supporting cross beam. The bearing platform is a stainless steel plate and is provided with a center hole for bearing the sewage pump; the moving mechanism adopts a floating roller (spring or hydraulic), drives the frame to float upwards to lift the upright post off the ground when not bearing, and is stably supported when bearing; the auxiliary handle can be rotationally stored and is convenient to move. The support solves the problems that manual dragging is strenuous, the safety risk is high, and a crane rope is prone to abrasion in the existing sewage pump maintenance process, the sewage pump is vertically and stably placed, maintenance convenience and safety are improved, and the support is suitable for the outdoor environment, stable in structure and flexible to move.

The utility model relates to the technical field of novel cultivation, in particular to an ocean three-dimensional cultivation net cage structure which comprises a net cage body and a buoyancy box, the net cage body is of a cylindrical structure, and the net cage body is divided into a first cultivation area and a second cultivation area which are independent from each other along the diameter of the net cage body. The first breeding area and the second breeding area are detachably connected and matched; a limiting cavity channel is further formed in the middle of the net cage body, and the fixing pile penetrates through the limiting cavity channel; force transmission plates are arranged in the areas, corresponding to the limiting cavity channels, of the bottoms of the first breeding area and the second breeding area, the force transmission plates extend to the seabed, and fixing air bags are further arranged on one sides of the ends of the force transmission plates and used for filling fit clearances between the force transmission plates and pile bodies of the wind driven generators. According to the utility model, the condition that stress is concentrated to the top of the pile body in a traditional top fixing mode is avoided, so that the risks of fatigue damage and plastic deformation of the pile body are reduced, and the structural safety of the pile body is improved.

The application relates to the field of stirrers, in particular to a grouting stirring device with replaceable stirring paddles. The grouting stirring device comprises a stirring barrel, a motor fixing plate, a motor, a connecting head and multiple stirring paddles; one end of the motor fixing plate is hinged to the stirring barrel; the upper surface of the other end of the motor fixing plate is provided with the motor, and the lower surface is provided with the connecting head; the multiple stirring paddles all have the same end part and can be detachably connected with the connecting head. According to the characteristics and technical requirements of grouting materials, the stirring paddles can be replaced, the stirring paddles have multiple different shapes and materials; for example, for high-viscosity grouting materials, specific-shaped blades can be selected to enhance the stirring effect, and for materials with large particles, blades with wear-resistant materials can be selected; and the blade replacement operation is convenient and fast, and the operation interruption time can be effectively reduced.

This utility model discloses a plate dumbbell, relating to the field of fitness equipment technology. The plate dumbbell consists of a connector, dumbbell plates, and a dumbbell bar. The screw of the connector passes through the dumbbell plates and is inserted into the dumbbell bar. Locking devices are provided on the connecting terminals at both ends of the dumbbell bar. One end of the locking device engages with the screw of the connector to fix the screw, so that the end of the connector and the connecting terminal clamp the dumbbell plates to form the plate dumbbell. When the screw is disengaged from the dumbbell bar, the screw can slide relative to the dumbbell bar, which facilitates quick adjustment of the position of the connector and completes the assembly and disassembly of the dumbbell plates, realizing the rapid assembly of the plate dumbbell. By moving the locking device, the fixing and loosening of the connector can be controlled, thereby completing the assembly and disassembly of the dumbbell plates and adjusting the weight of the plate dumbbell. The locking device in this plate dumbbell has a simple structure and is easy to operate.

The invention discloses a support plate stabilizer structure for enhancing fuel oil atomization and suitable for an afterburner, which is used for improving the fuel oil atomization effect and the combustion stability, and comprises two support plate outer edge frames, a support plate tail edge frame, a fuel oil injection rod and the like, and a support plate mixing channel is formed between the two support plate outer edge frames; and a plurality of cooling air cavities are formed in the main body part so as to prevent key parts from being ablated in a high-temperature environment. First fuel oil impacts the fan-shaped channels through the oil injection holes to form an oil film, is further atomized under the shearing action of airflow and is mixed with air, and premixed gas is formed and then enters the concave cavity to be combusted. According to the design, flames in the concave cavity can be kept stable under the extreme conditions of low temperature, low pressure and the like, so that the ignition and flameout boundary of the combustion chamber is widened, meanwhile, high-temperature fuel gas in the concave cavity can heat transverse jet flow of second fuel oil, and the evaporation and mixing efficiency of the second fuel oil is improved. By means of the integrated design, the number of components is reduced, the flow resistance in the non-stress-application state is reduced, and meanwhile the thrust-weight ratio is increased.

The utility model discloses a wind -proof reinforcing device for steel structure building relates to building reinforcing technical field. The utility model discloses a crossbeam, two support columns are installed to the crossbeam bottom, it further includes: support mechanism, support mechanism installs in the crossbeam bottom, and support mechanism is used for supporting crossbeam, and the protection mechanism is installed to the left side and the right side of two support columns, and the protection mechanism is used for protecting support column. The utility model discloses through setting up support mechanism, specifically is first with fixed plate no.

The application discloses a custom segmentation method and device based on a house structure and a storage medium, comprising: in response to a house structure segmentation request, obtaining a house CAD drawing and an original BIM model corresponding to the house structure segmentation request; fusing the house CAD drawing and the original BIM model through a BIM model fusion engine, and generating a segmentable area heat map based on the fusion result; obtaining segmentation surface information initiated by a user based on the segmentable heat map; calculating the structure stress change of the corresponding segmentation surface according to the segmentation surface information; if the structure stress change does not exceed the real-time allowable threshold, generating a house segmentation result based on the segmentation surface. The application dynamically generates a heat map through a BIM model fusion engine and calculates the structure stress change in real time, which can realize automatic and safe checking in building segmentation, and further realizes the technical effects of improving the operation pass rate and the structure safety.