13results about How to "Spatial stability" patented technology

The invention relates to the technical field of intelligent fire extinguishing, in particular to an intelligent fire extinguishing device and method for a rechargeable battery, the intelligent fire extinguishing device comprises a transverse frame and an assembly plate fixedly mounted on the transverse frame, and further comprises a folding and unfolding mechanism arranged on the transverse frame and connected with the folding and unfolding mechanism mounted on the assembly plate, and the folding and unfolding mechanism is located above a charging area. When the folding and unfolding mechanism moves, the folding and unfolding mechanism can be promoted to be switched from a folding state to an unfolding state; the grounding ring is fixed on the ground, the charging area is enveloped in the grounding ring, the grounding ring is matched with the folding and unfolding mechanism, multiple sets of locking mechanisms are arranged on the grounding ring, and after the folding and unfolding mechanism is switched to the unfolding state, the locking mechanisms are triggered; and the grounding ring is arranged, after the folding and unfolding mechanism is switched to the unfolding state, the locking mechanism can be automatically triggered, and the unfolding state of the folding and unfolding mechanism is locked, so that the problems that a fire source escapes and the surrounding environment is threatened due to the fact that internal air pressure is increased can be effectively prevented, and the fire extinguishing reliability is guaranteed.

This invention discloses a manual argon arc welding method for sealing welds of containers with metal gaskets, aiming to solve the problems of multiple filler layers, poor welding quality, and slow speed in existing technologies. The method includes butt welding of base materials, attaching a metal gasket to the base material, with a bottom gap of 1-2 mm formed by the butt welding; using tungsten inert gas (TIG) welding to weld the base material and metal gasket together in one pass at both included angles to form the weld seam. During welding, the welding torch current is 180-220 A, the arc length is controlled within 2 mm, the welding speed is 20-22 cm / min, and two weld layers are formed. This invention is suitable for welding butt welds of sealed containers with metal gaskets, achieving the effects of fewer weld layers, high welding quality, and high speed.

The present disclosure relates to the technical field of reactor, and one embodiment of the present disclosure provides a high-pressure reactor for directly recovering chemical energy to generate heat at the end of a reactor, which comprises a pair of high-pressure reactor housings, a spliced housing and a pair of conductive rods, the conductive rods are arranged in the high-pressure reactor housings and the spliced housing, the high-pressure reactor housings and the spliced housing are fixedly connected through a screw rod and a bolt, a flow blocking assembly is arranged at both ends of the high-pressure reactor housing, a filler supporting assembly is arranged between the conductive rods, a cylinder is arranged in the high-pressure reactor housing, the cylinder is externally sleeved with a blocking piece, the blocking piece is inserted with a sealing support block at both ends, and a pair of sealing support blocks are respectively supported at both ends of the cylinder. Through the above technical scheme, the technical problem of low heat transfer efficiency and large heat energy loss in the prior art that the traditional heat transfer mode is indirect heat transfer (such as jacket cooling and coil heat exchange) and heat is transferred through an intermediate medium is solved.

The invention relates to the technical field of thermal power generating unit equipment monitoring, and discloses a thermal power generating unit measuring point abnormity discriminating and early warning device which comprises a connecting pipe, a control assembly and a trigger assembly, a plurality of arc-shaped plates in the control assembly are annularly distributed around the connecting pipe, and a limiting seat at the tail end of an arc-shaped rod slides in a hollow cavity. The arc-shaped plate can be opened and closed cooperatively along with thermal expansion and cold contraction of the connecting pipe to release thermal stress; the deformation chamber of the inner side sealing sleeve is subjected to self-adaptive deformation along with the movement of the arc-shaped plate to form dynamic sealing; the outer side push plate is connected with the supporting spring through the push rod and the sliding seat, the arc-shaped plate is pushed to tighten the sealing sleeve with proper elastic force in a normal state, and excessive extrusion is avoided. The triggering assembly achieves intelligent pressure regulation and control, the nitrogen bag expands or contracts along with temperature changes, the moving disc and the feeler lever are pushed to press the moving plate, thrust is reduced at the high temperature to avoid excessive extrusion of the sealing sleeve, thrust is recovered at the low temperature to guarantee sealing, temperature difference changes are accurately adapted, and all the assemblies cooperate to improve monitoring reliability.

This utility model discloses an automatic separation and collection device for heavy debris in an airflow conveying system, relating to the technical field of airflow separation equipment. The separation body includes a cylindrical cavity with a conical guide hood at the top. A spiral feed plate is located between the outer side of the guide hood and the inner wall of the cavity. A feed pipe is located on one side of the upper part of the cavity, a discharge pipe is located at the top of the cavity, and a discharge port is located at the bottom of the cavity. Corn fibers, being lightweight and highly susceptible to airflow, move upwards more easily with the airflow, while heavy debris, due to gravity and centrifugal force, tends to sink closer to the inner wall of the cavity, significantly improving the initial separation efficiency and reducing the mutual entanglement of corn fibers and heavy debris.

The application belongs to the technical field of tunnel engineering detection, and discloses a tunnel displacement simulation device and a detection calibration method, which comprises multiple groups of tunnel simulation units, the multiple groups of tunnel simulation units are sequentially spliced, each group of tunnel simulation units comprises two groups of arches, a support steel frame and a plurality of groups of telescopic pipe piece assemblies; the two groups of arches are oppositely arranged, the support steel frame is in a semicircular arc support structure and is arranged between the two groups of arches; the plurality of groups of telescopic pipe piece assemblies are arranged on the support steel frame and are sequentially arranged along the arc surfaces of the two groups of arches, wherein the adjacent telescopic pipe piece assemblies are connected, and the plurality of groups of telescopic pipe piece assemblies can simultaneously expand and contract along the radial direction of the two groups of arches and are used for simulating the profile range between the maximum profile and the minimum profile of the tunnel. The application can realize the simulation of the dynamic continuous deformation of the tunnel, does not need manual comparison of the scale, reduces the error caused by manual operation and lays a structural foundation for high-precision calibration.

This invention discloses a clamp-on three-sensor fusion device for monitoring leaks in heating pipe networks, relating to the field of sensor technology. The invention includes a pipe with an upper semi-circular shell disposed on one side of the pipe surface. The invention constructs a multi-dimensional sensing system using a vibration sensor, a temperature sensor array, and an ultrasonic sensor. This system can simultaneously capture leak characteristic signals from multiple physical dimensions, including acoustic vibration, temperature distribution changes, and high-frequency ultrasound. When a leak occurs in the pipe, the signals collected by the three sensors cross-validate in time and space. A built-in fusion algorithm performs weighted analysis and feature extraction on the multi-source data, effectively filtering interference signals caused by environmental noise, medium pressure fluctuations, or external mechanical vibrations. This achieves dual-sensitive detection of both minor leaks and sudden pipe bursts, solving the problems of monitoring blind spots and insufficient reliability caused by the poor environmental adaptability of traditional single sensors.

This invention belongs to the field of agricultural microbiology technology, and discloses a strain of Sphingomonas, a microbial agent, its preparation method and application, specifically disclosing a strain of Sphingomonas (… Sphingomonas Microbial agent (sp.) R7 was deposited on March 31, 2025, at the China Center for Type Culture Collection (CCTCC), Wuhan University, Wuhan, China, with accession number CCTCC NO: M 2025634. The invention discloses a microbial agent containing this bacterium, its preparation method, and its application in improving soil and / or promoting rice growth, as well as in reducing cadmium content in the aboveground parts of rice. This microbial agent not only increases the content of nutrients such as nitrogen and phosphorus in the soil, thus improving soil quality, but also significantly increases the dry matter weight of rice roots, stems, leaves, and brown rice, promoting rice plant growth; it also concentrates cadmium in the rice roots, reducing the cadmium content in the aboveground parts of rice.

The utility model provides a photoelectric isolation 16-port concentrator with a built-in power supply, and relates to the technical field of network communication equipment. The hub comprises a shell, wherein a mounting cavity is formed in the shell to accommodate each component; the power supply module is fixed on one side of the bottom of the mounting cavity and provides power for the concentrator; the photoelectric isolation module is arranged above the power supply module at intervals through an insulating bracket to realize a photoelectric isolation function; the port group comprises 16 RJ45 interfaces, odd-numbered ports are inclined upwards, and even-numbered ports are inclined downwards, so that connection is facilitated; the heat conduction structure effectively dissipates heat; and the shielding structure enhances the electromagnetic shielding effect. In addition, heat dissipation fins are arranged on the side wall of the shell, heat dissipation grids are arranged on the top of the shell, and the heat dissipation performance is further improved. The concentrator solves the technical problem of contradiction among high-density port layout, multi-module heat dissipation requirements and multi-band electromagnetic interference collaborative suppression in a compact space, and achieves the effect of synchronously optimizing heat dissipation efficiency and electromagnetic interference suppression in the compact space.

This application relates to a flue gas absorption device. The absorption tower includes multiple reaction components spaced apart vertically. Each reaction component includes a packing element filled with a catalyst, which accelerates the reaction rate between the absorbent and carbon dioxide in the flue gas. A vibration mechanism includes a vibrating rod assembly located inside the absorption tower, which enhances the mixing effect between the absorbent and the flue gas. The absorption tower of this application is a vertically arranged closed tower, providing a stable space for the contact and reaction between the absorbent and the flue gas. Multiple reaction components are spaced apart vertically inside the tower. This application exhibits significant synergistic effects. The catalyst accelerates the chemical reaction, while the vibrating rod assembly enhances the physical mass transfer process. The combination of these two significantly improves carbon dioxide capture efficiency and processing capacity, while reducing time and labor costs.

The utility model discloses an outdoor tent convenient to install and fix, which relates to the technical field of outdoor tents and comprises a support, the support comprises connecting plates, a cavity is arranged in the middle of the connecting plates, another connecting plate is rotatably arranged in the cavity, telescopic plates are slidably arranged at the tail ends of the left and right sides of the two connecting plates, and telescopic rods are arranged at the tail ends of the telescopic plates through hinge seats. Reinforcing rods, supporting rods and limiting bases are arranged at the tops of the connecting plates through inserting sleeves, and fixing bases and drill rods are arranged at the tail ends of the bottoms of the telescopic rods through mounting bases. According to the tent, the through holes in the telescopic rods are matched with the limiting rods, so that the height of the tent can be flexibly adjusted and locked; a sliding plate, an inserting rod, a reset spring, a supporting rod, a handle and other components in the hinge seat cooperate to limit and flexibly adjust the angle of the unfolded telescopic rod; the supporting rods are slidably connected with the limiting seats through the sliding grooves, the stability of the whole structure is enhanced in cooperation with the limiting frames, and in addition, the tent can be conveniently recycled and stored.

The utility model provides a unilateral supporting device suitable for excavation of a municipal drainage pipeline groove, a supported groove is provided with an existing pipeline adjacent to a newly-built pipeline, the unilateral supporting device comprises a plurality of fixing piles, a supporting plate, surrounding purlins, diagonal bracings and a plurality of base plates, the fixing piles are inserted into the side, where the existing pipeline is arranged, of the groove side by side, and the supporting plate is arranged on the supporting plate. The enclosing purlin is fixed on the fixing piles and is perpendicular to the fixing piles, the supporting plate is arranged between the fixing piles and the groove and used for enclosing the retaining wall, the base plates are fixedly padded at the bottom of the groove at intervals, the diagonal braces are fixedly supported between the base plates and the enclosing purlin, and the newly-built pipeline is laid at the bottom of the groove and located below the diagonal braces. The structure can stably support a soil body on the side wall of the groove on the premise of not influencing the existing pipeline, collapse is prevented, and the safety of constructors is guaranteed; the arrangement of the base plates and the diagonal bracings provides a stable foundation and space for laying of newly-built pipelines, construction operation is convenient, the construction efficiency is improved, and the construction cost is reduced.

This utility model provides a constant temperature chamber for culturing oligomannose, relating to the field of constant temperature chambers for culturing oligomannose. It includes a constant temperature chamber assembly comprising a chamber body, an inner liner fixed to the upper layer of the chamber's inner cavity, a duct fan fixed to one side of the inner liner, and an air intake assembly comprising an air intake box fixed to the lower layer of the chamber's inner cavity, an air intake fan located on one side of the air intake box, an air intake pipe located at the top of the air intake box, and a filter screen located within the air intake box's inner cavity. This utility model, through the coordinated operation of the constant temperature chamber assembly, air intake assembly, heating assembly, recovery assembly, and temperature control assembly, achieves precise temperature control and effective heat recovery during the oligomannose culturing process. The constant temperature chamber assembly provides a stable space for cultivation, the air intake assembly ensures clean air intake, the heating assembly provides the necessary temperature conditions, and the recovery assembly uses a centrifugal fan to recover and reheat the hot air in the inner liner, greatly improving the efficiency of heat energy utilization.