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12results about How to "Improve stress environment" patented technology
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High-efficiency low-carbon vertical tank supergravity mixed magnesium smelting device and method
PendingCN119592813AImprove wettabilityImprove mass transfer effectProcess efficiency improvementSlagLiquid state
The invention discloses an efficient low-carbon vertical tank supergravity mixed magnesium smelting device and method.The device comprises a furnace body and a supergravity solid-liquid mixing system, and the supergravity solid-liquid mixing system comprises a first-stage material gathering taper pipe fixedly arranged in the furnace body and a second-stage material gathering taper pipe provided with a discharging port; a liquid-solid mixing reaction material tank internally and fixedly connected with a solid raw material distributing plate is arranged above the first-stage material gathering taper pipe, the liquid-solid mixing reaction material tank is fixedly connected with a solid raw material feeding pipe provided with a solid raw material feeding vacuum valve, and the solid raw material feeding pipe is rotationally connected with the furnace body and connected with a transmission assembly. A liquid-state reducing agent atomizing disc is fixedly arranged in the liquid-solid mixing reaction material tank and is rotationally connected with a liquid-state reducing agent feeding pipe provided with a liquid-state reducing agent feeding vacuum valve; the furnace body is connected with the magnesium steam collecting system, the magnesium steam collecting system is connected with the vacuumizing system, and a slag outlet is formed in the bottom of the furnace body and connected with a sealing piece. According to the invention, the reaction efficiency is improved, the energy consumption is reduced, and energy conservation and emission reduction are realized.
Owner:XI AN JIAOTONG UNIV +1
Tracheostomy fixation device and method of controlling the same
PendingCN122141083AImprove stress environmentImprove microenvironmentTracheal tubesActuatorPressure data
The application discloses a tracheotomy fixing device and a control method thereof, and relates to the field of medical devices.The device comprises a fixing base assembly, an adjustable fixing belt system, an intelligent monitoring and adjusting module, a pressure sore prevention auxiliary structure and a wireless communication module.The fixing device can realize real-time acquisition of pressure data in the fixing area through a pressure sensor array, analysis and processing of the pressure data by an intelligent control unit, automatic adjustment of the tightness of the fixing belt by driving an electric adjusting actuator when an abnormal pressure trend is identified, and output of graded alarm information by an alarm unit, so that stable fixation of a tracheal cannula and safe management of pressure are realized.The fixing device can also improve the skin contact environment through a pressure reduction and air permeation structure, reduce the risk of pressure sores, support data interaction with a nursing terminal, and improve nursing efficiency.The application can realize a change from passive fixation to active safety management, and has good clinical application value.
Owner:TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH
Single cone sleeve locking threaded steel bar connecting device and method
The application discloses a single-cone-sleeve locking threaded steel bar connecting device and method, which comprises two connected steel bars connected in head-to-tail mode, and a locking threaded clamp and a single-cone sleeve are sequentially arranged outside the two connected steel bars; the end of the two connected steel bars in contact with each other is provided with a thread; the single-cone sleeve is a tubular structure, the inner hole is a one-way conical inner hole corresponding to the locking threaded clamp, and the outer surface is a cylindrical surface; the locking threaded clamp is a tubular structure, the inner hole is a threaded inner tooth with a thread matched with the thread of the connected steel bar wire head, and the outer surface is a one-way conical outer surface; the application is suitable for the field of steel bar connection, a special knocking tool is used to knock the outer end surface of the single-cone sleeve, so that the single-cone sleeve and the locking threaded clamp are axially displaced, the locking threaded clamp inner tooth thread is tightly pressed into the steel bar wire head, the steel bar connection of the tight-fit thread is realized, and the connection of the two connected steel bars which cannot rotate can be realized.
Owner:CABR TECH CO LTD
Wall-mounted laundry treatment equipment
ActiveCN110820265BGuaranteed cooperationImprove stress environmentOther washing machinesTextiles and paperStructural engineeringLaundry
The present invention discloses a wall-mounted clothes processing device, comprising: a hanging ear, connecting the clothes processing device to a wall; a shell, constituting at least a partial outline of the wall-mounted clothes processing device; a mounting mechanism, connecting the hanging ear and the shell as a whole, comprising a first mounting mechanism and a second mounting mechanism respectively arranged on the hanging ear and the shell, and matching, wherein the first mounting mechanism and the second mounting mechanism are non-closed structures in at least two directions. The present invention improves the mounting mechanism between the shell and the hanging ear, and the stress generated at the connection position can be effectively released during both the assembly process and the use process, thereby extending the service life of the mounting mechanism.
Owner:QINGDAO JIAONAN HAIER WASHING MACHINE CO LTD +1
A structure with externally prestressed assembled RCS sub-frame reinforcement
Owner:NANJING TECH UNIV
Load control valve
The utility model provides a load control valve, which is used for controlling a variable displacement mechanism of a swash plate type variable displacement pump and comprises a valve body, a working port A, a working port B and a control port P connected with a pilot control oil way are arranged on the valve body, a monitoring port communicated with and used for monitoring pressure of a working oil way is further arranged on the valve body, and a valve hole is arranged on the valve body. A valve element is arranged in the valve hole in a sliding mode, a mounting hole is formed in a right hole opening of the valve hole, and an adjusting mechanism is arranged in the mounting hole. A left control cavity is formed in a left hole opening of the valve hole; the left control cavity is communicated with the control port P, the monitoring port is communicated with the mounting hole, the working state of the valve element is controlled through the pressure of the control port P, the pressure of the monitoring port and the pressure of the adjusting mechanism together, the position of the valve element can be changed through the changed pressure of the monitoring port, and then the purpose of controlling the dip angle change of the hydraulic pump swash plate is achieved. The pressure of the monitoring port directly controls the inclination angle state of the swash plate, and the corresponding speed is high.
Owner:WUXI UCHIDA HYDRAULIC TECH CO LTD
An assembled floating plate track structure adapted to driving direction
ActiveCN112030613BImprove construction accuracyImproved geometry retentionBallastwayTrackwayClassical mechanics
The present invention discloses an assembled floating plate track structure adapted to the driving direction, including a lower foundation and a floating plate structure, wherein the floating plate structure includes a plurality of floating plates overlapped together, each floating plate includes a floating plate body and a rectangular parallelepiped staggered platform integrally arranged on the floating plate body, and for any two adjacent floating plates, each floating plate is provided with a staggered platform on a side close to the other floating plate, and each staggered platform extends in a direction close to the other floating plate, wherein the staggered platform on one floating plate is placed on the staggered platform of the other floating plate; the extension direction of the upper staggered platform on the floating plate body is consistent with the driving direction of the train, and the thickness of the upper staggered platform is less than the thickness of the lower staggered platform. The present invention improves the construction accuracy and stability of the floating plate, meets the special vibration reduction requirements of rail transit, and can improve the stability of the track structure while reducing the workload of on-site construction.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD
Non-uniform crushing deformation monitoring and supporting method for surrounding rock of deep soft rock roadway
ActiveCN119221998Aimprove securityImprove stress environmentMining devicesUnderground chambersDeformation monitoringRock sample
The invention discloses a non-uniform crushing deformation monitoring and supporting method for surrounding rock of a deep soft rock roadway, and relates to the technical field of roadway surrounding rock supporting. The method comprises the following steps that measurement data of a roadway are measured through a surveying and mapping tool, the measurement data comprise the roadway height h1, the roadway length l1, the roadway deflection angle a1, the roadway width w1, the roadway underground depth h2, the maximum length l2 and the maximum height h3 of the non-uniform broken surrounding rock, and the measurement data are input into a calculation unit through a mobile terminal; the calculation unit executes a space simulation program to generate a space model, the calculation unit executes a sampling analysis program according to the measurement data to calculate a sampling point position p1, and a surrounding rock sample is obtained from the sampling point position p1. The side pressure relief drill holes and the bottom plate pressure relief grooves are formed, so that the displacement distance of the surface of the straight wall of the roadway and the stress environment of the deep part of the roadway can be improved.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE
Mounting structure for valve element and adjusting mechanism of hydraulic valve
ActiveCN222596436UImprove stress environmenthigh sensitivityStructural engineeringMechanical engineering
Owner:WUXI UCHIDA HYDRAULIC TECH CO LTD
Stress regulation and control roadway protection method for mining stopping line roadway driving pre-grouting reinforcement
ActiveCN119412075AImprove carrying capacityreduce stress disturbanceUnderground chambersHydro energy generationMicrofine cementCoal pillar
The invention belongs to the technical field of surrounding rock stability control, and particularly relates to a stress regulation and control roadway protection method for mining stopping line roadway driving pre-grouting reinforcement, which comprises the following steps of: driving a newly-dug roadway between a mining stopping line of a working face and a protected main roadway; multiple groups of grouting holes are constructed in the two sides of the newly-dug roadway; superfine cement paste is injected into the surrounding rocks on the two sides through the grouting holes, and a corresponding surrounding rock grouting reinforcement range is formed; and after the working face is pushed to the mining stopping line, a support removing channel is formed, and surrounding rocks on the top and the sides of the support removing channel are both located within the grouting reinforcement range. According to the method, the stopping line support removing channel and the main roadway protection coal pillar are reinforced at the same time, the bearing capacity of the coal pillar is enhanced, an effective supporting effect on an overlying rock stratum can be achieved, and mining-induced stress transfer caused by crushing of the coal pillar is avoided; on the other hand, the newly-dug roadway absorbs a considerable part of energy through self deformation, and the pressure relief effect is achieved. Through combination of pressure control and pressure relief, stress regulation and control are achieved, and then the main roadway is protected.
Owner:CHINA UNIV OF MINING & TECH +1
An assembled continuous floating plate track structure adapted to driving direction
ActiveCN112030611BImprove construction accuracyImproved geometry retentionBallastwayTrackwayClassical mechanics
The present invention discloses an assembled continuous floating plate track structure adapted to the driving direction, including a lower foundation and a floating plate structure, wherein the floating plate structure includes a plurality of floating plates overlapped together, each floating plate includes a floating plate body and a rectangular parallelepiped staggered platform integrally arranged on the floating plate body, and for any two adjacent floating plates, each floating plate is provided with a staggered platform on a side close to the other floating plate, and each staggered platform extends in a direction close to the other floating plate, wherein the staggered platform on one floating plate is placed on the staggered platform of the other floating plate; the extension direction of the upper staggered platform on the floating plate body is consistent with the driving direction of the train, and the thickness of the upper staggered platform is less than the thickness of the lower staggered platform. The present invention improves the construction accuracy and stability of the floating plate, meets the special vibration reduction requirements of rail transit, and can improve the stability of the track structure while reducing the workload of on-site construction.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP CO LTD
A Mo-Ni coating preparation method based on HiPIMS and ion implantation technology
ActiveCN118996363Bimprove bindingImprove stress environmentVacuum evaporation coatingSputtering coatingFilm basePumping vacuum
The present invention mainly proposes a method for preparing a Mo-Ni coating based on HiPIMS and ion implantation technology, including cleaning a workpiece with a DLC film on its surface and then dehydrating and drying it; placing the workpiece in a vacuum chamber of an ion implantation device for ion implantation; placing the workpiece after the treatment in step 2 in a magnetron sputtering vacuum chamber, evacuating the chamber and performing arc-enhanced plasma etching cleaning; depositing a Mo / Ni diffusion-proof layer; turning on a magnetron Ni / Mo target source to plate a coating; shutting down the machine for sampling; taking out the workpiece for ultrasonic alcohol cleaning, and storing it in a vacuum bag after drying. The present invention combines HiPIMS and ion implantation technology, uses ion implantation to improve the lattice and expansion coefficient matching between the substrate and the coating to reduce the internal stress between the film and the substrate, uses HiPIMS technology to prepare a protective Mo-Ni coating with high bonding strength on the DLC film, and at the same time relieves the internal stress of the DLC film, significantly improving the service life of the workpiece.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)