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33results about How to "Guaranteed smooth operation" patented technology
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Self-tuning expert control method of burning trough point parameter based on working condition recognition
ActiveCN101907867AImprove anti-interferenceGuaranteed smooth operationAdaptive controlAutomatic controlControl period
The invention provides a self-tuning expert control method of a burning trough point parameter based on working condition recognition, comprising the following steps of: firstly, data collection and fuzzification: collecting and calculating a mixture level, the change rate thereof, a deviation of a burning trough point position, burning trough point temperature, the change rate of a 17-19 air box temperature average value and 6 process variables of sintering waste gas temperature rising point position, and carrying out fuzzification treatment; secondly, fuzzy diagnosis: obtaining the working condition of a current sintering running state according to the 6 fuzzed process variables and based on a diagnosis rule; thirdly, online control: according to the working condition obtained in the fuzzy diagnosis step and based on an established expert rule, realizing automatic control of the burning trough point by online regulating a control period, a control step size as well as an upper limit value and a lower limit value of a sintering machine speed. The invention can efficiently inhibit the phenomenon of unsmooth sintering process caused by instable working condition and enhance the yield and the quality of sintered ores.
Owner:CENT SOUTH UNIV
Gear shifting control method
InactiveCN102192317AGuaranteed smooth operationSafe and effective control methodGearing controlAutomatic controlManual transmission
The invention discloses a gear shifting control method which is used when a vehicle provided with an automatic control manual transmission case fails to shift gears in a stopping state or low rotating speed state. The gear shifting control method comprises a step of driver operation, a step of gear selecting and shifting, a step of detecting and a step of re-shifting. The method also comprises the following step that: after the step of driver operation, a transmission case controller judges whether a situation or a possible situation of gear re-shifting appears, if so, the transmission case controller sends an instruction to an engine controller through a communication bus, and the engine controller controls the rotating speed or torque of an engine to ensure that the engine is kept in a stable state to support the shifting of gears. According to the control method provided by the invention, the defect of re-operation of gear-shifting lever operation by an operator under the condition that the gear shifting is failed is overcome.
Owner:SAIC GENERAL MOTORS +1
Setting method of moisture control parameters for sintering granulation to effectively suppress raw material flow fluctuation
ActiveCN102298316ADampen wild swingsGuaranteed smooth operationFlow controlAdaptive controlControl parametersStreamflow
The invention discloses a sintering granulating moisture control parameter tuning method for effectively inhibiting raw material flow fluctuation. The method comprises the following steps: firstly, carrying out fuzzification treatment on such four process variables as blended ore real-time flow, change rate of the blending ore real-time flow, quicklime real-time flow and change rate of the quicklime real-time flow; secondly, obtaining the current working condition of the raw materials according to a raw material working condition evaluation model; and finally, realizing online adjustment of the factors of the consumed moisture of quicklime and the correction factors of the adding water flows based on the established expert rules according to the working conditions. The method has the following beneficial effects: unstable moisture occurring due to drastic fluctuation of the mixing granulation adding water flows caused by sudden change of the raw material flow can be effectively inhibited, thus ensuring the stable and smooth operation of the sintering process and improving the yield and quality of sintering ore.
Owner:CENT SOUTH UNIV
Screw conveyor
InactiveCN106829320ASmall tensionGuaranteed smooth operationConveyorsPackagingScrew conveyorEngineering
Owner:吴宝东
Method and system for forecasting new energy power generation power
InactiveCN103996087AImprove forecast accuracyGuaranteed smooth operationForecastingPower gridEngineering
The invention discloses a method and system for forecasting new energy power generation power. The method comprises the steps that weather forecast data of a distributed power supply point are acquired; a power forecasting model of the distributed power supply point is built according to the environmental information and the weather forecast data of the area where the distributed power supply point is located; the forecasting power of the distributed power supply point is acquired according to the weather forecast data and the power forecasting model of the distributed power supply point. According to the method and system for forecasting the new energy power generation power, the power forecasting model is built according to the environmental information and the weather forecast data of the distributed power supply point, the power generation power of the distributed power supply point is forecasted by utilizing the power forecasting model, compared with traditional power forecasting, the distributed power generation power of distributed new energy is fully considered, and therefore the forecasting precision of the distributed new energy is improved, and the smooth operation of a power grid system is guaranteed.
Owner:BEIJING EAST ENVIRONMENT ENERGY TECH
Wind power sea water desalination integrated system and method for isolated grid
ActiveCN105016428AImprove the utilization rate of wind powerGuaranteed smooth operationGeneral water supply conservationSeawater treatmentSeawaterWind power
The invention provides a wind power sea water desalination integrated system for an isolated grid. The wind power sea water desalination integrated system comprises a power system, a control integrated system and a sea water desalination system. The power system supplies power to sea water desalination devices by optimized dispatching of the control integrated system. The control integrated system is used for controlling the power system. The power system comprises wind turbine generators, at least one energy storage system and diesel generators. The control integrated system is used for controlling the power system. The sea water desalination system comprises the sea water desalination devices. The wind turbine generators, the energy storage systems, the generators and the sea water desalination devices are connected to the micro-grid in parallel. The system solves the problem that energy consumption of traditional sea water desalination industry is high, and the technical problems that an existing sea water desalination device adopting wind power energy needs to use a large number of storage batteries, electricity energy loss is high, maintenance is difficult and cost is high.
Owner:JIANGSU FENGHAI NEW ENERGY SEA WATER DESALINIZATION DEV
Pump body with filtering structure
PendingCN112483414AGuaranteed passabilityPlay the function of automatic removal of impuritiesSpecific fluid pumpsPump componentsControl theoryMechanical engineering
The invention provides a pump body with a filtering structure. The pump body with the filtering structure comprises a pipeline fixedly connected to the inlet end of the pump body in the horizontal direction, a filter screen connected into the pipeline through a vibration mechanism, and a first dividing mechanism and a second dividing mechanism which are sequentially arranged at the inlet end of the pipeline from outside to inside. According to the pump body with the filtering structure, it is guaranteed that the sizes of impurity particles entering the pump body meet the set requirement underthe action of the filter screen, the phenomenon that blades get stuck due to the fact that the particles are too large is avoided, and smooth operation of the pump body is guaranteed; and meanwhile, the filter screen is installed in the pipeline through the vibration mechanism, impurities attached to the filter screen are removed through the vibration mechanism, the function of automatically removing the impurities is achieved, and the passing ability of the filter screen is guaranteed.
Owner:天津丽茂源松节能技术有限公司
Stepping motor control method, device and system and storage medium
InactiveCN110535380AGuaranteed smooth operationGuaranteed uptimeDynamo-electric converter controlPulse parameterEngineering
The embodiment of the invention provides a stepping motor control method, device and system and a storage medium. The method comprises the steps that: according to a preset period, before each presetperiod starts, motor operation information corresponding to the preset period is obtained, the motor operation information comprises a target pulse parameter and a preset pulse parameter, and according to the target pulse parameter, a stepping motor is controlled to rotate in the preset period; and if the motor operation information corresponding to the next preset period is not obtained before the next preset period of the preset period starts, the stepping motor is controlled to start to decelerate step by step in the next preset period according to the obtained preset pulse parameters untilnew motor operation information is stopped or received. Therefore, the out-of-step of the stepping motor due to the fact that the motor operation information is not obtained is avoided, and the stable operation of the stepping motor is guaranteed.
Owner:HANGZHOU HIKVISION DIGITAL TECH
Bearing workpiece transfer device based on multi-directional cleaning
ActiveCN107745916AAvoid frictionGuaranteed smooth operationCleaning using liquidsMechanical conveyorsEngineeringSieve
The invention discloses a bearing workpiece transfer device based on multi-directional cleaning and relates to the field of bearing manufacturing and workpiece cleaning devices. The device comprises an impurity filter sieve plate for recovering washing liquid; an impurity collecting channel board for collecting impurities; an adsorption electromagnetic plate device is installed inside a first conveyor belt; a first cleaning nozzle device is installed under the first conveyor belt; a second cleaning nozzle device is installed under a second conveyor belt According to the invention, by means ofthe adsorption electromagnetic plate device on the first conveyor belt, bearing workpieces on a first conveyor base plate are absorbed and one side of the bearing pieces on the first conveyor belt iswashed by the first cleaning nozzle device; the other side of the bearing pieces on the second conveyor belt is washed by the second cleaning nozzle device; therefore, the bearing workpieces can be washed all-around.
Owner:界首市皖俊轴承有限公司
Steel wire rope fast connecting mechanism and structural steel pulling vehicle with steel wire rope fast connecting mechanism
ActiveCN104044905AGuaranteed smooth operationQuick connectionCooling bedsConveyor partsManufacturing engineeringWire rope
The invention discloses a steel wire rope fast connecting mechanism. The steel wire rope fast connecting mechanism is characterized by comprising a connecting rod fixed on a vehicle body, a connecting piece is fixedly connected to the outer end of the connecting rod, the middle of the outer end of the connecting piece is provided with a horizontally-arranged frustum hole, the frustum hole is a through hole, the small-diameter end of the frustum hole is outwards arranged, the diameter of the small-diameter end of the frustum hole is coincident with the diameter of a steel wire rope, the connecting end of the steel wire rope is located in the frustum hole, a fork is arranged in the middle of the connecting end of the steel wire rope, a fixing pin is further embedded in the frustum hole, and the tip end of the fixing pin is outwards inserted into the fork of the connecting end of the steel wire rope to fix the steel wire rope. The invention further discloses a structural steel pulling vehicle with the steel wire rope fast connecting mechanism. By means of the steel wire rope fast connecting mechanism, fast connection of the steel wire rope of the structural steel pulling vehicle can be achieved, and meanwhile the connecting reliability is guaranteed. Meanwhile, the steel wire rope fast connecting mechanism and the structural steel pulling vehicle further have the advantages of being capable of improving the sliding block lubrication degree, reducing the frictional wear, guaranteeing the operation smoothness of the structural steel pulling vehicle, being capable of achieving mechanical structural steel pulling, being simple in structure and free of electrical failures and the like.
Owner:CHONGQING IRON & STEEL CO LTD
Novel winding high-low voltage transformer
InactiveCN106298186AGuaranteed smooth operationImprove overall stress resistanceTransformers/inductances coolingTransformers/inductances coils/windings/connectionsEngineeringConductor Coil
The invention relates to a novel winding high-low voltage transformer. An iron core is arranged, a protection cover is arranged outside the iron core, the protection cover is of a rectangular structure, fixed blocks are arranged on the iron core and located on the two sides and the bottom of the iron core, a winding is arranged on the iron core, and the winding is connected to the iron core in a herringbone shape in a wound mode. A ventilation component is arranged on the protection cover and is in a long strip shape, the ventilation component is located at the top of the protection cover, high-low voltage insulation sleeves are arranged on the two sides of the ventilation component, protection parts are arranged on the high-low voltage insulation sleeves, and the high-low voltage insulation sleeves are directly sleeved with the protection parts. A ventilation opening is formed in the protection cover, internal and external ventilation of the transformer can be achieved, the opening angle of the ventilation opening is adjusted through a control component, control over the temperature of the transformer is more precise, the ventilation opening can be opened and closed along with rise and fall of the temperature, and stable operation of the transformer is guaranteed.
Owner:YANGZHOU ZHONGCHENG TRANSFORMER CO LTD
Drainage fault control method of air conditioner and air conditioner
PendingCN114110922AGuaranteed smooth operationImprove stabilityMechanical apparatusSpace heating and ventilation safety systemsControl theoryEnvironmental engineering
The embodiment of the invention discloses a drainage fault control method of an air conditioner and the air conditioner. The air conditioner comprises a shell, a water pan, a water pump and a controller. The water pump is arranged above the water pan and used for discharging condensate water in the water pan. The main controller is in signal connection with the water pump. When the air conditioner works, water begins to be accumulated in the water pan, and the main controller controls the water pump to be started. The controller obtains working index parameters of the water pump and determines whether the water pump breaks down or not according to the working index parameters. And if the working index parameters are not in the preset index parameter range, determining fault categories of the water pump according to the types of the working index parameters, and controlling the water pump to perform different subsequent processing works according to different fault categories. According to the technical scheme, different treatment modes are carried out on different fault types, stable operation after the water pump breaks down is guaranteed, and the drainage stability of the air conditioner is improved.
Owner:FOSHAN WANWUHULIAN TRADE CO LTD +1
Deflection-preventive vibration avoiding system for high-speed quay crane trolley
PendingCN112744703AReduce lateral vibrationGuaranteed smooth operationSpringsNon-rotating vibration suppressionMarine engineeringDamper
The invention discloses a deflection-preventive vibration avoiding system for a high-speed quay crane trolley. The deflection-preventive vibration avoiding system comprises a plurality of vibration avoiding devices, wherein the each vibration avoiding device comprises a connecting base and an oil-gas damper; the corresponding connecting base is fixedly arranged on a framework of the quay crane trolley; the corresponding oil-gas damper is horizontally arranged between the framework of the quay crane trolley and a support of a deflection-preventive wheel; and the corresponding connecting base is hinged to one end of the oil-gas damper, and the support of the deflection-preventive wheel is fixedly connected to the other end of the corresponding oil-gas damper. According to the deflection-preventive vibration avoiding system disclosed by the invention, transverse vibration of the deflection-preventive wheel of the quay crane trolley is reduced, collision and extrusion between the deflection-preventive wheel and rails which are arranged on a quay crane large beam can be prevented, steady operation of the quay crane trolley is ensured, and the quay crane trolley and the quay crane structure can be protected, so that the operation speed of the quay crane trolley is further improved, and the loading and unloading efficiency of the quay crane is improved. Meanwhile, by utilizing common effect of the oil-gas damper and a rubber damper, the working performance cannot be prevented even if the oil-gas damper is too heat, and the problems of less rigidity and large deformation of rubber springs also can be overcome.
Owner:华电蓝科科技股份有限公司
Mold frame mechanism for high-precision powder mold forming servo press
PendingCN110202824AAvoid leaking or jammingGuaranteed smooth operationPressesMaterials scienceServo press
The invention discloses a mold frame mechanism for a high-precision powder mold forming servo press. The mechanism comprises a master pattern, an upper sliding assembly, a lower sliding assembly, a fixed mold mounting plate, a mold mounting plate, a middle bar base and core bars. A lower mold base is arranged above the fixed mold mounting plate, a gap is reserved between the lower mold base and the fixed mold mounting plate, a lower mold is arranged on the lower mold base, the middle bar base is arranged in the gap between the lower mold base and the fixed mold mounting plate, a mold mountingplate is arranged above the lower mold base, the master pattern is arranged on the mold mounting plate, the middle bar base and the master pattern are fixedly connected, multiple mold cavities in clearance fit with the lower mold are machined in the master pattern, multiple core bars penetrating through the lower mold are arranged on the middle bar base, and the tops of the core bars are arrangedin the mold cavities. The master pattern, the upper mold, the lower mold and the core bars are arranged on the mold mounting plate, the upper mold, the lower mold and the core bars are matched with the master pattern, the filling powder can be conveniently pressed into a cylindrical product with the inner ring and the outer ring concentric, and meanwhile, the equipment pressing precision is ensured.
Owner:中国电子科技集团公司第九研究所
An electrostatic spraying device for automobile hubs with micro-arc oxidation technology
ActiveCN113083582BEasy to cleanEasy to removeLiquid spraying plantsPretreated surfacesMicro arc oxidationMechanical engineering
Owner:成都文亿辉科技有限公司
Rotary transformer state detection method and device, digital signal processing chip and medium
PendingCN112067022AImprove accuracyGuaranteed smooth operationConverting sensor output electrically/magneticallyWind energy generationDigital signal processingMechanical engineering
The invention discloses a rotary transformer state detection method and device, a digital signal processing chip and a medium. The method comprises the following steps: acquiring a current rotation angle fed back by a resolver; calculating a rotation angle difference value between the current rotation angle and a previous rotation angle, and comparing the rotation angle difference value with a difference value threshold value; and if the rotation angle difference is greater than the difference threshold, judging that the rotary transformer is in an abnormal state, and feeding back and correcting the rotation angle according to an abnormal hopping mechanism. Therefore, the current state of the rotary transformer is judged based on the rotation angle, and the rotation angle is fed back and corrected according to the abnormal jump mechanism when the rotary transformer is in the abnormal state, so that the accuracy of rotary transformer state detection is improved, and the stable operationof wind power variable pitch is ensured.
Owner:SHENZHEN INOVANCE TECH
Gearbox of speed changing mechanism
InactiveCN109944908AGuaranteed smooth operationGuaranteed uptimeToothed gearingsGearing detailsEngineeringCam
The invention discloses a gearbox of a speed changing mechanism. The gearbox comprises a box body and a box cover; a driving gear, an intermediate gear and a driven gear are arranged in the box body;the driving gear meshes with the intermediate gear; the driving gear is an eccentric gear; a driving shaft penetrates through the driving gear; the intermediate gear meshes with the driven gear; a driven shaft penetrates through the driven gear; the center distance of the driving gear and the intermediate gear is restrained by a first connecting rod; the center distance of the intermediate gear and the driven gear is restrained by a second connecting rod; the end, located on the box cover side, of the driven shaft is sleeved with a cam; a shock absorbing device matched with the cam is arrangedon the box cover and comprises a support shaft, a spring, a screw, a swinging rod and a roller; one end of the spring is fixed through the screw, and the other end is fixed to one end of the swingingrod through welding; the roller is arranged at the other end, opposite to the end connected with the spring, of the swinging rod; and the outer circumferential surface of the roller is matched with the outer circumferential surface of the cam in a contact manner. By the aid of the gearbox, the unbalanced force during speed changing can be balanced, so that stable operation of the gearbox is guaranteed.
Owner:SHAOXING KEQIAO TONGYI SCI & TECH INFORMATION CONSULTING CO LTD
A kind of steel wire rope fast connection mechanism and its section steel drawing car
ActiveCN104044905BGuaranteed smooth operationQuick connectionCooling bedsMetal rolling arrangementsElectrical FailureEngineering
Owner:CHONGQING IRON & STEEL CO LTD
Crocheting machine
PendingCN108823783AConvenient and adjustable speedGuaranteed smooth operationCrochetingCouplingPulp and paper industry
The invention provides a crocheting machine so that the speed of a weft shaft can be conveniently adjusted and smooth operation of modification is guaranteed. The crocheting machine comprises a main shaft and the weft shaft, wherein the main shaft is connected with the output end of a main motor, one end of the main shaft is connected with an encoder through a coupler, the signal output end of theencoder is externally connected to a driver, output speed coefficient setting is arranged in the driver, the signal output end of the driver is connected with a servo motor, and the output end of theservo motor is connected with the input end of the weft shaft.
Owner:SUZHOU UNIV OF SCI & TECH
Automatic discharging device of material pulling frame
InactiveCN108045916AImprove efficiencyGuaranteed smooth operationJigging conveyorsConveyor partsEngineeringMechanical engineering
Owner:芜湖尚唯汽车饰件有限公司
Medical glove
ActiveCN112205696AGuaranteed smooth operationPrevent movementGlovesProtective garmentHand partsBiomedical engineering
The invention relates to the technical field of medical gloves, and discloses a medical glove. The medical glove comprises a glove body, the glove body comprises five finger sections and a palm section communicated with the five finger sections, a plurality of elastic pieces forming a circle in an enclosing mode are arranged in the finger sections in the circumferential direction, and every two adjacent elastic pieces are arranged in an abutting mode; inner sleeves used for penetrating through the elastic pieces are arranged in the finger sections, and the inner sleeves are located between theelastic pieces and the palm section; limiting parts for limiting the inner sleeves penetrating through the elastic pieces are arranged in the finger sections; and the glove further comprises a fixingpart used for fixing the palm section to the hand diameter position. According to the scheme, the problem that an existing glove is not provided with a fixing structure, and the glove can move relative to the hand of a medical worker in the using process is mainly solved.
Owner:THE FIRST AFFILIATED HOSPITAL OF ARMY MEDICAL UNIV
Automatic industrial robot based on single flexible track
PendingCN112318483AGuaranteed smooth operationAchieve stabilityManipulatorProcess engineeringMachining process
The invention discloses an automatic industrial robot based on a single flexible track in the field of machining equipment. The automatic industrial robot comprises the flexible track, an X-axis module capable of running along the flexible track, a Y-axis module located on the X-axis module and an actuator module arranged on the Y-axis module, the left side and the right side of the Y-axis moduleexceed the flexible track. fixed supporting wheels and floating supporting wheels are arranged on the left side and the right side of the Y-axis module respectively, the fixed supporting wheels are fixedly connected to the Y-axis module, the floating supporting wheels are connected to the Y-axis module through a telescopic mechanism, and an automatic locking mechanism is arranged on the telescopicmechanism in a matched mode. According to the automatic industrial robot, rigid supporting is conducted by utilizing the fixed supporting wheels, with the coordination of floating supporting of the floating supporting wheels, the automatic industrial robot can adapt to curved surface changes in the operation process, stable operation of equipment is guaranteed, meanwhile, when machining is executed, floating supporting can be locked and changed into rigid supporting, torque balance in the machining process is guaranteed, and therefore, the operation and work stability of the industrial robotin a monorail operation mode is achieved.
Owner:上海麦可洛自动化科技有限公司 +1
Lamp
InactiveCN102840468BImprove aestheticsImprove the convenience of disassembly and assemblyLighting heating/cooling arrangementsProtective devices for lightingElectricityElectrical connection
The utility model relates to a lamp, which comprises a casing, a radiator, a radiating fan and a luminous module. An assembly opening and an electrical connection piece are respectively arranged at two ends of the casing. The radiator is arranged in the assembly opening and provided with a substrate, and at least one blocking plate are arranged on the substrate to form a first air flow channel to be communicated with the assembly opening. The radiating fan is contained in the casing and combined with the radiator, at least one flow guide face is arranged on the radial lateral wall of the radiating fan, the flow guide face is opposite to the blocking plate of the radiator, a second air flow channel communicated with the assembly opening is formed between the flow guide face and the inner wall face of the casing, and the lighting module is combined with the substrate and electrically connected with the electrical connection piece. The lamp utilizes the first air flow channel and the second air flow channel to communicate the assembly opening, thereby having the advantages of being low in structure complexity, low in manufacture cost and high in radiating performance.
Owner:SUNONWEALTH ELECTRIC MACHINE IND
Dustproof device applied to grinder tool rest
InactiveCN103551964AGuaranteed smooth operationAvoid stickingGrinding/polishing safety devicesMechanical engineering
The invention discloses a dustproof device applied to a grinder tool rest. The dustproof device comprises a column, a main shaft and a worktable, wherein a sliding track is arranged in the column, the main shaft is arranged on the sliding track through a base, a dust cover is arranged in front of the sliding track and is in close joint with the front side of the column, and the dust cover comprises a sealing plate and telescopic sealing linkage plates, the upper and lower ends of the sealing plate are respectively provided with the telescopic sealing linkage plates, and the main shaft penetrates through the sealing plate to extend to the table board of the worktable. Through the way, by adopting the dustproof device, the dustproof device can perform sealing operation on the sliding track inside the grinder tool rest, thus the accuracy of the grinder processing is enhanced.
Owner:昆山日日先精密机械有限公司
Method for controlling video playing, computer device and storage medium thereof
PendingUS20220060607A1Increase refresh rateGuaranteed smooth operationTelevision system detailsProgram synchronisationComputer hardwareVideo monitoring
The present disclosure relates to a method for controlling video playing, a computer device and a storage medium thereof. The method includes: monitoring a state of a current application process in response to an application playing a video; obtaining the state of the current application process comprising a state with a trigger event and a state without a trigger event; dynamically adjusting a signal reception frequency of the application and receiving a screen refresh synchronization signal distributed by a hardware layer according to the signal reception frequency in response to detecting no trigger event in the current application process; resuming the application to receive the screen refresh synchronization signal distributed by the hardware layer at an original frequency in response to detecting a trigger event in the current application process; and triggering a main thread to refresh a current video screen according to the received screen refresh synchronization signal.
Owner:ONEPLUS TECH SHENZHEN
Anesthetic face mask suitable for inspection tubes of various specifications
PendingCN109107011AGuaranteed smooth operationNo leaksRespiratory masksAnesthetic face maskEngineering
The invention relates to an anesthetic face mask suitable for inspection tubes of various specifications, comprising a face mask body, an oxygen inhaling tube arranged on the face mask body, and an inspection channel arranged on the face mask body for inserting the inspection tube; the anesthetic face mask comprises a face mask body, an oxygen inhaling tube arranged on the face mask body and an inspection channel arranged on the face mask body for inserting the inspection tube. The inspection channel is connected with the face mask body, the top end is provided with a sealing cap, the lower part of the sealing cap is provided with an opening, and a sealing elastic body is arranged in the opening; a locate ring is arranged on that upper part of the sealing elastomer. The invention has the following beneficial effects: 1, as the sealing elastomer is arranged in the inspection channel, the aperture of the sealing elastomer can be automatically opened or contracted under the external forceof the inspection pipe wall, so that the sealing ring elastomer is closely attached to the inspection pipe to ensure that the face mask does not leak air; 2, since that upper part of the seal elastomer is provided with a positioning re matched with the sealing cap, the upper end part of the opening in the inspection channel is not deformed, the cap can be buckled, and the installation cavity of the sealing elastomer can be formed together with the opening to protect the sealing elastomer from being completely squeezed and deformed in the opening.
Owner:管飞
Resourceful treatment system for p-nitroanisole wastewater
PendingCN112939127AGuaranteed smooth operationReduce evaporation energy consumptionOrganic chemistryOrganic compound preparationNitrobenzeneProcess engineering
The invention discloses a resourceful treatment system for p-nitroanisole wastewater, which comprises a first raw water tank, an MVR evaporation and concentration device, a second raw water tank, a forced cooling device and a plate-and-frame filter, wherein an outlet of the first raw water tank is connected with an inlet of the MVR evaporation and concentration device, a mother liquor outlet of the MVR evaporation and concentration device is connected with an inlet of the second raw water tank, an outlet of the second raw water tank is connected with an inlet of the forced cooling device, an outlet of the forced cooling device is connected with an inlet of the plate-and-frame filter, a filtrate outlet of the plate-and-frame filter is connected with an inlet of the MVR evaporation and concentration device, the mother liquor and high-salinity wastewater are mixed and prepared in the second raw water tank, the solubility of sodium chloride in the prepared mixed solution just reaches cold saturation, sodium chloride cannot be separated out in the cooling process, only sodium p-nitrophenolate can be separated out, the problems that sodium chloride and sodium p-nitrophenolate are separated out synchronously and are difficult to separate in the prior art are solved, and sodium p-nitrophenolate is effectively recycled.
Owner:宁夏华御化工有限公司
Double-station strength detection device for aerated concrete plate
PendingCN113008702ALow costImprove practicalityMaterial strength using single impulsive forceStructural engineeringHydraulic pressure
The invention discloses a double-station strength detection device for aerated concrete plates, and relates to the technical field of aerated concrete plate production. The double-station strength detection device for the aerated concrete plate comprises a bottom plate, and a U-shaped plate and a supporting plate are fixedly mounted on the outer surface of the top of the bottom plate. According to the double-station strength detection device for the aerated concrete plates, strength detection can be conducted on two sets of aerated concrete plates at the same time, compared with strength detection conducted through a hydraulic device, the cost of the detection device and energy use is effectively reduced, the practicability of the device is relatively improved, the service life is longer, the problems of oil leakage and damage after a hydraulic device is used for a certain period of time are avoided, the use smoothness of the device is ensured, the later maintenance cost of the device is reduced, two sets of aerated concrete plates are detected at the same time, detection results can be conveniently compared, and the possibility of detection errors is reduced.
Owner:湖州纬达建材科技有限公司
A mechanical water meter that can be connected to a cloud control platform
ActiveCN105403270BGuaranteed running accuracyNot affected by external magnetsVolume meteringImpellerMaximum level
Owner:HUAIHUA JIANNAN ELECTRONICS TECH
A sliding block oil film lubrication structure and its section steel drawing car
ActiveCN104148415BGuaranteed smooth operationSimple structureWork treatment devicesMetal rolling arrangementsLubricationWire rope
The invention discloses a sliding block oil film lubrication structure. The sliding block oil film lubrication structure is characterized by comprising oil grooves which are formed in four corners, right opposite to positions above sliding blocks, of the upper surface of a steel drawing cart body. Connecting screws are connected to the bottoms of the oil grooves in a vertically upward and threaded mode. The lower ends of the connecting screws are connected into the sliding blocks in a penetrating mode. The lower surface of each sliding block is provided with an upwards concaved oil film groove. A vertical hole is formed in the middle of each connecting screw and communicated into the corresponding oil film groove. A mounting boss is arranged on the upper surface of each sliding block and installed in a mounting groove in the lower surface of the cart body in a limiting mode. The invention further discloses a section steel drawing cart adopting the sliding block oil film lubrication structure. According to the sliding block oil film lubrication structure and the section steel drawing cart, the hollow screws with the simple structure are used for realizing connection and installation of the sliding blocks and oil supply to the oil grooves, so that the lubrication degree is improved, frictional wear is reduced, and running smoothness of the steel drawing cart is guaranteed; meanwhile, the section steel drawing cart can realize mechanical steel drawing, is simple in structure, does not have electric failures and is connected with a steel wire rope more quickly and reliably.
Owner:CHONGQING IRON & STEEL CO LTD
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