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390results about How to "Relieve stress" patented technology

Diabetic patient life management method and system in combination with traditional Chinese medicine knowledge

The invention provides a diabetic patient life management method and system in combination with traditional Chinese medicine knowledge, and relates to the field of medical health data processing, the method comprises the following steps: obtaining multiple groups of sample data, the sample data at least comprising personal information of sample patients and diabetic traditional Chinese medicine syndromes, and the personal information of the sample patients at least comprising diabetes index data; based on the multiple groups of sample data, multiple key traditional Chinese medicine syndrome discrimination units are determined, and a diabetes traditional Chinese medicine syndrome diagnosis scale is generated; based on the multiple groups of sample data, determining music types matched with different diabetes mellitus traditional Chinese medicine syndromes; determining the diabetic traditional Chinese medicine syndrome of the current user based on the personal information of the current user and the filling information of the diabetic traditional Chinese medicine syndrome diagnosis scale; based on the diabetic traditional Chinese medicine syndromes of the current user and the music types matched with different diabetic traditional Chinese medicine syndromes, music, traditional Chinese medicine health maintenance skills and traditional Chinese medicine recipes are recommended, and the method has the advantage of improving the quality of life management of diabetic patients.
Owner:CHENGDU UNIV OF TRADITIONAL CHINESE MEDICINE

A sealing surface anti-scratching protection device for hydraulic flange machining

ActiveCN224718378UProtection reachedReduce hard collision
The utility model provides a kind of sealing surface scratch-proof protection device for hydraulic flange processing, it is related to hydraulic flange processing technical field, including processing support platform, the upside of processing support platform is provided with sealing surface protection component, the sealing surface protection component includes the support steel platform installed on the upside of processing support platform, the outside of support steel platform is equipped with shock-absorbing rubber pad, the outside of shock-absorbing rubber pad is provided with hydraulic flange main part;Shock-absorbing rubber pad is sleeved to the outside of support steel platform, then hydraulic flange main part is sleeved to the outer surface of shock-absorbing rubber pad outside support steel platform, then after hydraulic flange main part is sleeved to the outside of shock-absorbing rubber pad, start sealing air pump, make inflatable sealing ring expand, to form tight fit to the top inside of hydraulic flange main part, effectively block outside impurity into sealing area, avoid metalworking chip into the inside of hydraulic flange main part, cause sealing surface to be damaged or influence subsequent assembly accuracy.
Owner:HEBEI SUJIE TECHNOLOGY CO LTD

A pre-rotating air inlet ring, a centrifugal fan, and a range hood

This invention provides a pre-rotating air inlet ring, a centrifugal fan, and a range hood, belonging to the field of kitchen appliance technology. The pre-rotating air inlet ring includes an outer fixed ring, an inner fixed ring, and multiple blades; the outer and inner fixed rings are concentric and coaxially arranged; multiple blades are distributed between the outer and inner fixed rings, with the inner end of each blade fixedly connected to the inner fixed ring and the outer end fixedly connected to the outer fixed ring; the extension direction of the blades forms an acute angle with the perpendicular line to the axis of the outer fixed ring, i.e., the pre-rotation angle; the annular area is divided into three fan-shaped areas with successively increasing pre-rotation angles (α1<α2<α3) and successively decreasing blade spacing angles (β1>β2>β3). This achieves differentiated and gradient guidance of the inlet airflow in the circumferential direction.
Owner:VATTI CORP LTD

A centralized heating primary pipeline network energy supply balance operation regulation monitoring and control system

This invention relates to the field of primary heating network technology, specifically disclosing a centralized heating primary heating network energy supply balance operation regulation monitoring and control system. The system includes a user area estimated heat demand analysis module, a user area comprehensive heat demand analysis module, an energy station heat distribution module, an energy station heat transmission detection module, an energy station transmission quality assessment module, a display terminal, a protection terminal, and a cloud database. This invention ensures the accuracy and precision of the actual heat supply analysis for user areas, thereby improving the heating efficiency and effect of energy stations. It safeguards the revenue of energy stations on one hand and ensures normal use on the user side on the other. This invention alleviates the pressure on energy stations while meeting the heating needs of users, thereby improving the relative balance of energy stations, reducing the deviation between heat supply and heat demand to a certain extent, and improving the efficiency of centralized energy supply.
Owner:CECEP GUIZHOU BUILDING ENERGY CO LTD

Smart grid-oriented distributed photovoltaic power consumption potential evaluation method and system

PendingCN122549722Asolve efficiency problemsSolve the pain points caused by the non-linear impact of power grid load
This application relates to the field of power systems, specifically to a method and system for assessing the distributed photovoltaic (PV) absorption potential of smart grids. The method includes: calculating the coefficient of variation and its difference from the global value based on the absorption power of smart grid monitoring nodes and meteorological temperature to obtain relative fluctuation difference characteristics; obtaining temperature-power offset characteristics through the linear fitting residual of the coefficient of variation and meteorological temperature; calculating the offset under high-temperature and non-high-temperature environments and subtracting the offset to obtain correlation difference characteristics, thus constructing absorption power sensitive characteristics; constructing seasonal difference characteristics based on seasonal characteristic fluctuations and the proportion of high-temperature days; and introducing the two sensitive characteristics into the objective function of a multi-objective optimization algorithm to solve for the optimal node configuration capacity under constraints with a power flow over-limit reduction mechanism. This application aims to improve the accuracy of PV absorption potential assessment results.
Owner:XINYANG POWER SUPPLY OF HENAN ELECTRIC POWER CORP

Temperature adjusting system of compressed air energy storage chamber

The utility model provides a temperature regulating system of a compressed air energy storage chamber, which comprises an artificial chamber horizontally arranged underground, a vertical shaft arranged at the top of the artificial chamber, an air circulating pipeline and a water pipeline, the air circulating pipeline and the water pipeline are arranged in the artificial chamber, and an air inlet and an air outlet at two ends of the air circulating pipeline are oppositely arranged along two sides of the artificial chamber respectively. An axial flow fan is arranged in an air inlet of the air circulating pipeline, the water pipeline comprises a water inlet pipeline and a water outlet pipeline, the water inlet pipeline is communicated with a water outlet of the warm water tank and an in-plant circulating cooling water inlet, the water outlet pipeline is communicated with a water inlet of the cold water tank and an in-plant circulating cooling water return port, and a spiral heat exchange pipe is arranged between the water inlet pipeline and the water outlet pipeline. The spiral heat exchange pipe is embedded in the air circulation pipeline behind the axial flow fan and used for exchanging heat with air in the chamber, adjusting the temperature of the air in the artificial chamber during inflation energy storage and deflation energy release, guaranteeing the structural safety of surrounding rock around the artificial chamber and prolonging the service life of sealing materials in the chamber.
Owner:SHENGNENG ENERGY (ZHEJIANG) CO LTD

Data leakage risk identification method and system based on multi-dimensional trajectory graph

ActiveCN122457392BSolve the problem of semantic fragmentationRelieve stress
The application belongs to the technical field of network security and trajectory graph analysis, and specifically discloses a data leakage risk identification method and system based on a multi-dimensional trajectory graph, which comprises the following steps: extracting database message execution plan features and source end identification to generate semantic fingerprints; performing affinity grouping by using the semantic fingerprints, and aggregating continuous operations into macro nodes with weights in a time window dynamically adjusted by a back pressure signal; pushing macro node trajectory edges into a lock-free ring buffer to assemble a chain and feed back a water level; monitoring macro node weights and data output streams, calculating information entropy of output data when a trigger condition is met and external writing occurs; if the entropy value indicates an encrypted stream and there is a derivative relationship between an external sending process and an access process, generating an entropy change conversion edge in the graph, and accordingly implementing blocking and alarming. The application realizes accurate tracing and effective interception of a full link from sensitive data reading to encrypted leakage.
Owner:ANHUI CHANGTAI TECH CO LTD

Combustion control device for RTO incinerator

The utility model discloses a combustion control device for an RTO (Regenerative Thermal Oxidation) incinerator, which relates to the technical field of combustion control of incinerators and comprises a bracket, and a control valve II is fixedly mounted on the outer surface of a transmission pipe; an adjusting mechanism used for controlling the combustion size is arranged between the controller and the conveying pipe and comprises a fuel gas inlet fixedly formed in the outer surface of the controller. According to the combustion control device for the RTO incinerator, external air is conveyed through the air inlet, the air circulates in the conveying pipe, a first control valve is installed on the side, close to the air inlet, of the conveying pipe, the circulating air is controlled through the first control valve, and the air is conveyed into a combustion-supporting air pipeline through the conveying pipe; the sealing disc is installed at the connecting position of the pipeline, so that the sealing performance of the pipeline is improved, the gas leakage phenomenon is avoided, the situation that the gas circulation size cannot be adjusted when the first control valve is damaged is avoided through the second control valve, the guarantee for equipment is improved, and the safety of the pipeline is guaranteed.
Owner:中科国奥(北京)能源科技有限公司

Industrial steam extraction small-flow adjusting device for power station

The utility model relates to the technical field of steam extraction flow stabilizing equipment of steam turbines, and particularly discloses a power station industrial steam extraction small-flow adjusting device which comprises a steam extraction main pipe and an adjusting pipeline, the steam extraction main pipe is communicated with the adjusting pipeline, a sunken U-shaped pipe is arranged in the middle of the adjusting pipeline, and an automatic adjusting valve is installed on a bottom pipeline of the U-shaped pipe. A filter and a drain pipe are further installed on the U-shaped pipe, the filter is located in front of the automatic regulating valve, and the drain pipe is located behind the automatic regulating valve; the design of the U-shaped pipe is adopted, steam conveyed by a low-pressure steam pipe network is collected and climbs through the U-shaped pipe, pressure relief and drainage are conducted through timing opening of the drainage pipe, air in the pipeline is discharged, the arrangement pressure and flow in the pipeline are adjusted to be more stable, and the problems of adjustment oscillation and large pressure fluctuation are avoided; an automatic regulating valve is adopted for starting control at the bottom full pipe position, the flexible regulating capacity of an energy system is improved, the resource utilization rate is increased, and economic benefits are created for companies.
Owner:SHANDONG YANKUANG INT COKING CO LTD

System for recycling sulfur-containing wastewater from sulfurized isobutene production

The utility model relates to vulcanized isobutene production technical field, specifically is a kind of vulcanized isobutene production sulfur-containing wastewater recycling system, the bottom of high-pressure reaction kettle is connected with first conveying pipe respectively by tee joint, the first conveying pipe is connected with first dechlorination kettle, the first dechlorination kettle bottom discharge end is connected with second conveying pipe respectively by tee joint, the second conveying pipe is connected with second dechlorination kettle, the second dechlorination kettle bottom is connected with third conveying pipe respectively by tee joint, the third conveying pipe is connected with wastewater transfer tank, the wastewater transfer tank discharge end is connected with the first dechlorination kettle by circulation pipe.The utility model is dechlorinated by setting two dechlorination kettle, sodium sulfide can replace the chlorine that is not replaced in primary dechlorination reaction when secondary dechlorination, sulfur-containing wastewater is collected using wastewater transfer tank, then it is recycled to the next batch primary dechlorination reaction, realize the recycling of sulfur-containing wastewater, can reduce the wastewater treatment pressure of producer.
Owner:GANSU JINBODA NEW MATERIAL TECHNOLOGY CO LTD

Recyclable phase change microcapsules and methods for making the same

The application provides a recyclable phase change microcapsule and a preparation method thereof, and comprises the following steps: (1) preparing a surfactant solution; (2) adding a phase change material into the surfactant solution and uniformly dispersing to obtain an emulsified solution; (3) adding a solution containing magnetic metal ions into the emulsified solution and uniformly stirring to obtain a mixed solution; (4) adding a solution containing carbonate or hydroxyl into the mixed solution, so that the carbonate or hydroxyl reacts with the magnetic metal ions to form a coating wall material of the capsule; (5) performing cooling treatment on the solution in the stirring state in (4) until the microcapsule is coagulated into a small spherical shape, and then the recyclable phase change microcapsule is obtained after separation, washing and drying. The application can realize the repeated use of the microcapsule, and the capsule wall of the microcapsule is all inorganic material with magnetism, which has high flame retardance, mechanical strength and thermal conductivity, so that the microcapsule can be better used in the field of building energy-saving materials.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Soft rock large deformation control method and rapid supporting system suitable for TBM tunnel construction method characteristics

PendingCN122082802AReduce the displacement around the holeReduce construction complexityUnderground chambersTunnel liningShotcreteSupporting system
The invention discloses a soft rock large deformation control method and a rapid support system suitable for TBM tunnel construction method characteristics, the method is implemented based on an anchoring support system composed of a short anchoring support system and a long anchoring support system, and the method is suitable for an open TBM construction scene: in a TBM tunneling process, before a shield is exposed, the shield is not exposed, and the long anchoring support system is not exposed; a short anchoring support system of a full-length anchoring anchor rod structure is timely arranged in the radial direction of the 180-degree area of the upper half ring of the tunnel section through a cutter head edge cutter hole, and the short anchoring support system and a shield cooperate to form an initial deformation control system; after the shield is exposed, according to the deformation degree of the surrounding rock, full-length anchoring anchor rods or pre-stressed anchor cables are adopted in a graded mode, long anchoring supporting systems are arranged at intervals with the short anchoring supporting systems in a spiral mode, then the long anchoring supporting systems are cooperatively borne with steel arches, reinforcing meshes and sprayed concrete, and the long anchoring supporting systems are matched with 70m system sprayed concrete and 1000m secondary lining construction behind a tunnel face. According to the method, the displacement around the hole is effectively controlled, the TBM is prevented from being stuck, and the construction safety and efficiency of the open-type TBM in the soft rock large-deformation geology are improved.
Owner:SOUTHWEST JIAOTONG UNIV +1

A power supply service AI assistant system and method based on whole-process time limit early warning

PendingCN122434541Aavoid timeoutefficient reception
The application belongs to the technical field of power system automation and artificial intelligence application, and is a power supply service AI assistant system based on whole-process time limit early warning, characterized by comprising: a work order access module, which is used for receiving fault work orders from a 95598 customer service system and an active repair system; a work order execution module, which automatically distributes work orders to the terminals of repair personnel in corresponding grids and records the time of distributing work orders; a time limit rule library, which is used for storing time limit thresholds of each link; a whole-process early warning module, which is used for monitoring the flow state of work orders in each link; and a data feedback module, which is used for recording time limit execution data of each work order in the whole process, generating an overtime risk analysis report, and providing data support for parameter optimization of the time limit rule library. The problems of insufficient whole-process time limit control of fault repair work orders, single follow-up mechanism and process overtime of repair personnel caused by on-site factors in the prior art can be solved.
Owner:XIANNING POWER SUPPLY COMPANY OF STATE GRID HUBEIELECTRIC POWER +1

Evaporator assembly of marine air conditioner

The invention relates to the field of evaporators, in particular to an evaporator assembly of a marine air conditioner, which comprises a frame body and a snakelike calandria, and the snakelike calandria is arranged in the frame body and is used for enabling a refrigerant in the calandria to absorb heat and evaporate, taking away heat of surrounding air and water and realizing refrigeration and cooling; the liquid inlet pipe is arranged at the input end of the snakelike calandria and used for conveying a refrigerant into the snakelike calandria and providing a medium for refrigeration heat exchange; the embedded piece is arranged on the outer side of the snakelike calandria and used for positioning the fins and transmitting heat between the snakelike calandria and the fins at the same time; the fins are connected to the embedded pieces in a clamped mode and used for increasing the heat exchange area of the snakelike calandria, accelerating transfer of heat in air to the cooling calandria and improving the overall refrigeration efficiency, the evaporator assembly of the marine air conditioner can automatically trigger the impurity clearing and scraping action before the fins are disassembled, residual impurities on the top of an inner cavity of equipment are cleared away, and the overall refrigeration efficiency is improved. And the problem that the fins are stuck due to friction of impurities during disassembly is effectively avoided.
Owner:JIANGSU FUYUANDA THERMAL TECH CO LTD

Helmet capable of adjusting shape of buffering lining

The utility model relates to the technical field of helmets, in particular to a helmet capable of adjusting the shape of a buffering lining. The helmet comprises an inflation mechanism, an air storage system and an inflation buffer layer, the inflation mechanism comprises an inflation pump and an inflation control module, and the air storage system comprises a plurality of elastic air storage bags and a main ventilation pipe communicated with the elastic air storage bags. The air inflation buffer layer comprises a static elastic buffer air chamber arranged at the top of the head and dynamic elastic buffer air chambers arranged on the two sides of the face, the air inflation control module collects air pressure information of the air storage system air pressure sensor and the air inflation buffer layer air pressure sensor, and the air inflation control module can control the air inflation pump to inflate the air storage system or not. And closing of the air valve can be controlled. According to the safety helmet, the size of the buffering lining can be conveniently adjusted, the safety helmet is suitable for different head types of users, the heads of the users can be stably fixed, meanwhile, comfort is improved, and the problem that the overall or local pressure of the buffering lining of the safety helmet is too large or too small is solved.
Owner:王超

Damping device for a tower crane

ActiveCN224665163Uavoid partial tearingrelieve pressure
The utility model relates to a damping device for tower crane, include: lower casing (1), slide and connect on the slide plate (3) of lower casing (1) on, the slide plate (3) top is connected with upper pressing plate (4), upper pressing plate (4) lower part elasticity is connected with lower spring groove (7), the lower casing (1) lower part is provided with support platform (102), support platform (102) has conical support surface, lower spring groove (7) bottom is provided with conical pressure surface, and the conical support surface and conical pressure surface between be provided with damping ring (8), damping ring (8) is including multistage rubber damping mechanism that sets gradually, rubber damping mechanism all include first rubber ring (801) and first metal sheet (802) that set up, wherein first metal sheet (802) on interval be provided with a plurality of baffle that protrude into first rubber ring (801) inside, this device can effectively reduce the vibration of tower crane cab.
Owner:CHANGZHOU PANGYUAN MECHANICAL ENG CO LTD

A GC mechanism processing method, device and medium

The application discloses a GC mechanism processing method and device and medium, and is suitable for the technical field of solid state disks. When the RGW service is started, a GC main thread, a queue and a work thread are created, wherein the GC main thread starts the GC mechanism; garbage data obtained by the GC main thread traversing a storage pool is stored in the queue; and the queue sends the garbage data to the work thread in a de-queue mode so that the work thread deletes the garbage data. The method uses the thread division mode, the GC main thread starts the GC mechanism, when the GC mechanism is started, garbage collection is processed, the main thread is responsible for traversing the garbage data, and the work thread deletes the garbage data, thereby effectively improving the processing speed of the GC mechanism, relieving the pressure of only executing garbage collection through a single thread at present, and guaranteeing the stability of the system. Meanwhile, the multiple threads execute the deletion of the garbage data, high concurrency is realized, and available disk space is released.
Owner:JINAN INSPUR DATA TECH CO LTD

Multi-mode intelligent data acquisition system and method for monitoring smell of automotive trim

The invention relates to a multi-mode intelligent data acquisition system and method for automobile interior odor monitoring. The multi-mode intelligent data acquisition system comprises a terminal shell; the multi-mode sensor array module is integrated in the terminal shell or externally connected through a standard interface and used for synchronously collecting various types of parameters, and an array comprises an environmental parameter sensor, a gas concentration sensor, a selectable visual auxiliary sensor and a technological process sensor interface; the core processing and edge intelligent module comprises a main controller and an edge intelligent unit which are arranged in the terminal shell; the hybrid communication module comprises a wired communication unit and a wireless communication unit which are arranged in the terminal shell; and a power management module. According to the odor consistency monitoring system, data acquisition is completed, real-time and efficient preliminary diagnosis of abnormities is realized through a built-in special algorithm, a hierarchical and collaborative intelligent monitoring network is formed with a cloud system, and the performance and efficiency of the whole odor consistency monitoring system are remarkably improved.
Owner:AUTOMOTIVE DATA OF CHINA (TIANJIN) CO LTD +1

Dynamic balancing method for vibration problem of gas turbine unit shafting misalignment

The present application relates to the field of gas turbine technology, and more particularly to a dynamic balancing method for the misalignment vibration problem of a gas turbine unit shaft system, which comprises the following steps in sequence: step A, implementing a first dynamic balancing weight scheme on a first weight plane of the gas turbine rotor; and step B, implementing a second dynamic balancing weight scheme on a second weight plane of the gas turbine rotor, wherein the weight angle of the second dynamic balancing weight scheme is 180 degrees different from the weight angle of the first dynamic balancing weight scheme. The dynamic balancing method for the misalignment vibration problem of the gas turbine unit shaft system according to the present application selects two weight planes to implement opposite weight, and the generated weight bending moment can balance the additional bending moment, so that the vibration condition of the unit is obviously improved. Different from the traditional influence coefficient method, the dynamic balancing method according to the present application directly attacks the essence of the vibration problem, reduces the number of starting machines and the resulting psychological pressure, saves considerable test cost, and has good application effect and promotional value.
Owner:SHANGHAI ELECTRIC GAS TURBINE CO LTD

Cylindrical battery

In the present invention, an insulative tape (50) is disposed so as to cover a positive electrode lead (20) and a positive electrode mix layer (62). The thickness of a first opposing section (71), of the insulative tape (50), which faces the positive electrode lead (20) is configured to be thinner than the thickness of a second opposing section (72), of the insulative tape (50), which faces the positive electrode mix layer (62). The second opposing section (72) includes a substrate layer (81) and an adhesive layer (82). The first opposing section (71) may be configured so as not to have the adhesive layer (82).
Owner:PANASONIC ENERGY CO LTD

Optical storage and charging integrated intelligent charging station

The invention discloses a light storage and charging integrated intelligent charging station, which comprises a photovoltaic power generation module, an energy storage module, a charging module, an intelligent control module and a power grid interaction module, and is characterized in that the output end of the photovoltaic power generation module is connected with the input end of the energy storage module and the first input end of the charging module; the output end of the energy storage module is connected with the second input end of the charging module. The power grid interaction module is bidirectionally and electrically connected with the energy storage module and the charging module. And the intelligent control module is used for dynamically adjusting an energy flow path according to the photovoltaic power generation power, the residual electric quantity of the energy storage module, the load demand of the charging module and the real-time electricity price of the power grid. According to the optical storage and charging integrated intelligent charging station, the defects that in the prior art, an optical storage and charging power station is not intelligent in energy dispatching, low in energy utilization rate and single in function are overcome.
Owner:HUANENG TONGXIANG GAS TURBINE THERMAL POWER CO LTD

A one-way valve for LNG cylinder pressure gauge

The utility model relates to one -way valve technical field discloses a one -way valve for LNG gas cylinder pressure gauge, including valve body, the top of valve body is provided with the connecting pipe, the inside of valve body is provided with the overhaul mechanism, the overhaul mechanism is used for preventing the leakage of gas cylinder gas when overhauling pressure gauge, the bottom of connecting pipe is provided with fixed establishment, fixed establishment is used for improving the stability of connection, the overhaul mechanism includes support frame no.
Owner:JIANGSU WELLAND SPECIAL EQUIP TECH CO LTD

A temperature control system

PendingCN122733050ALimit maximum trafficSuppressing the problem of continuous temperature drop
This invention discloses a temperature control system. The low-pressure inlet of the compressor is connected to the refrigerant outlet of the evaporator via a low-pressure gas pipeline; the high-pressure outlet of the compressor is connected to the condenser via a high-pressure gas pipeline, and the condenser is also connected to the refrigerant inlet of the evaporator via an electronic expansion valve; the cold flow inlet and cold flow outlet of the evaporator are connected via a cold flow pipeline, and a load is installed on the cold flow pipeline; a first hot gas bypass branch is connected between the high-pressure outlet of the compressor and the refrigerant inlet of the evaporator, and its control terminal is connected to the low-pressure gas pipeline, configured to be activated when the pressure of the low-pressure gas pipeline is lower than the low-pressure protection pressure threshold; a second hot gas bypass branch is connected between the high-pressure outlet of the compressor and the refrigerant inlet of the evaporator, configured to adjust its opening degree under the control of a controller; the controller is configured to control the opening degree of the electronic expansion valve and the opening degree of the second hot gas bypass branch according to the actual liquid supply temperature and the target liquid supply temperature.
Owner:WUXI GUANYA INTELLIGENT EQUIP CO LTD

Road slope ecological protection structure and construction method thereof

The invention relates to the technical field of side slope protection, in particular to a road side slope ecological protection structure which comprises positioning nails and a protection net and further comprises an anchoring mechanism arranged on the positioning nails and used for enhancing the anchoring stability of the positioning nails and side slope soil. The anchoring mechanism comprises a long shaft, the long shaft is fixed to the bottom of an inner cavity of the positioning nail, the top end of the long shaft penetrates through the top end face of the positioning nail, the outer surface of the long shaft is sleeved with a movable sleeve, a plurality of first sliding grooves are formed in the two sides of the movable sleeve, and fixing rings corresponding to the first sliding grooves in position are fixed to the inner wall of the positioning nail. An extrusion part is slidably connected between the first sliding groove and the fixing ring, a plurality of supporting parts are slidably connected to the interior of the positioning nail in the radial direction, a fixing plate is fixed to the bottom of each supporting part, and a barb type anchoring structure is formed when a nut is screwed, so that radial extrusion force is efficiently converted into embedding power of the positioning column; pressure concentration or insufficient thrust is avoided, and the pulling resistance is remarkably enhanced.
Owner:GUANGXI UNIV

Concrete accelerator grinding device

ActiveCN224321475Uachieve finenessMake sure to squeeze againGrain treatmentsMachineScrew thread
The utility model discloses a concrete accelerator grinding device, including the machine case, the inner wall of machine case both sides all is connected with support frame in screw thread, the top fixedly connected with telescopic component of support frame, the top fixedly connected with filter screen of telescopic component, the inner wall fixedly connected with two groups of fixed blocks of machine case, the bottom fixedly connected with fixed plate of fixed block, the one side fixedly connected with support component of fixed plate, one end fixedly connected with the shovel board of support component, telescopic component includes the telescopic spring of fixed connection in support frame top. The utility model discloses through the setting of support frame, telescopic component and filter screen, reaches the effect of secondary grinding big particle concrete accelerator, prevents in the grinding process, and the accelerator particle is not adjusted due to the extrusion uneven or the grinding roller gap, leads to part of particle to fail to fully break, ensures the re -extrusion and breakage of grinding roller, makes it reach the fineness required.
Owner:HUBEI YUEZHULI BUILDING MATERIALS CO LTD

A semi-automatic tinning machine

This utility model discloses a semi-automatic soldering machine, including a frame with a soldering furnace fixedly mounted on the top surface of the frame. A waste solder cutting mechanism is located in front of the soldering furnace, comprising a waste solder furnace, a cutting assembly located above the waste solder furnace, and an opening / closing assembly for driving the cutting assembly to open and close. Above the soldering furnace are clamps for holding wires and a moving mechanism for driving the clamps to move vertically and horizontally. This significantly improves efficiency and automation. By setting up a waste solder cutting mechanism including a waste solder furnace, a cutting assembly, and an opening / closing assembly, automated cutting of waste solder is achieved. This completely changes the traditional method of relying on manual operation by workers to cut excess solder from the ends of wires, greatly shortening the single operation time, significantly improving overall production efficiency, and solving the problem of low work efficiency in the past.
Owner:DONGGUAN WANGGAO IND CO LTD

Fixed clearance return stroke type high-speed axial plunger pump

PendingCN121875924AAvoid excessive tilt or even detachment of the swash plateEnsure a good fitPositive-displacement liquid enginesPump installationsImpellerReciprocating motion
The invention provides a fixed clearance return stroke type high-speed axial plunger pump, and relates to the field of axial plunger pumps, the fixed clearance return stroke type high-speed axial plunger pump comprises a shell and a main shaft capable of rotating in the shell, the main shaft drives a cylinder body and an impeller to rotate, an axial channel is arranged in the cylinder body, a pre-tightening spring is arranged in the axial channel and provides pre-tightening force for a return stroke disc, and a plunger body can reciprocate in the axial direction. The end part of the plunger body is matched with the sliding shoe to slide on the swash plate, and a return stroke assembly is further arranged and comprises a return stroke plate, a fixed gap pressing plate and a fixing device; the return plate is limited between the fixed-gap pressing plate and the sliding shoe and arranged with the fixed-gap pressing plate in a spaced mode, and the fixing device is used for fixing the fixed-gap pressing plate to the swash plate. The return stroke assembly with the fixed gap is adopted, the problem that the sliding shoe excessively inclines and even disengages in the return stroke process is avoided, meanwhile, the return stroke disc utilizes the pre-tightening force of the center spring, and it is ensured that the sliding shoe is flexibly attached to and sealed with the swash plate under the low-speed working condition; the fixed gap pressing plate balances the centrifugal overturning moment of the sliding shoe through physical limiting under the high-speed working condition.
Owner:YANSHAN UNIV

Hot-press curing method and hot-press curing system for carbon fiber rigid felt

This invention discloses a hot-press curing method and system for carbon fiber rigid felt, relating to the field of carbon fiber rigid felt preparation technology. Its main objective is to avoid the threat to safe production posed by mixed gases containing VOCs during the hot-press curing process of carbon fiber rigid felt, and to reduce the amount of exhaust gas emitted. The main technical solution of this invention is: a hot-press curing method for carbon fiber rigid felt, comprising the following steps: Step S1, sealing the hot press and purging it with inert gas; Step S2, performing the hot-press curing process under inert gas protection, recovering alcohol; Step S3, performing the hot-press curing process in a dust-free environment and explosion-proof atmosphere, recovering waste liquid; Step S4, releasing the seal of the hot press to obtain the carbon fiber hot-press cured felt.
Owner:XINJIANG CENT HESHENG SILICON IND CO LTD

A comprehensive treatment system for zinc-containing waste generated in viscose fiber production.

This utility model discloses a comprehensive treatment system for zinc-containing waste generated in viscose fiber production, belonging to the field of waste treatment in viscose fiber production. The system includes a reaction tank, filter press, pretreatment device, filter, ion exchange resin column, and acid bath preparation tank, ensuring a comprehensive treatment pathway for zinc-containing waste. This facilitates the mixing of highly acidic, high-salt zinc-containing wastewater with zinc-containing sludge. The strong acidity of the wastewater allows for the acid leaching of zinc sulfide and zinc hydroxide in the sludge, simultaneously obtaining a zinc sulfate solution and recovering sulfate to prepare sodium sulfate and sulfuric acid. This reduces the salinity of the wastewater, thereby decreasing the amount of reagents used in treating zinc-containing wastewater, mitigating scaling risks, and reducing the load on subsequent biochemical systems.
Owner:四川丝丽雅纤维科技有限公司