Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

134results about How to "Improve one-time success rate" patented technology

A creel device for an ultra-low liquor ratio yarn dyeing machine

The invention discloses a creel device of a yarn dyeing machine with an ultra-low bath ratio, which comprises a sand table, a suspender and a yarn rod, wherein the upper surface of the sand table is in a disk shape; the lower end of the sand table is in a cavity structure; the yarn rod is in a hollow barrel structure; a water drum is arranged in the barrel of the yarn rod and is in a hollow or solid columnar structure; the center line of the yarn rod and the center line of the water drum are same; the ratio of the hollow internal diameter of the yarn rod and the external diameter of the waterdrum is 10:7-9; and the barrel of the yarn rod is evenly provided with a plurality of water outlets along the circumference of horizontal cross sections of different heights. The hollow barrel of theyarn rod disclosed by the invention is provided with the water drum, which is favorable for reducing the volume of dye liquor in the yarn rod and for reducing a water bath ratio; under the same main pump power, the water drum is favorable for improving the practical lift of a pipeline relatively, the flow rate of the dye liquor in the yarn rod is improved, the levelling property of cheeses of upper layers and lower layers can be better guaranteed, and the one-time success rate for dyeing is improved; and from the bottom to the top, the water outlets on the barrel of the yarn rod at the outer side of the water drum are thicker at the higher place of the yarn rod, which is favorable for realizing the purpose of even dye transfer.
Owner:高勋绿色智能装备(广州)有限公司

Drilling leakage crack width prediction method based on neural network data mining

The embodiment of the invention provides a drilling leakage crack width prediction method based on neural network data mining. The method comprises the steps that historical drilling data, a leakage stoppage case, an imaging logging real crack width and other data information of a target block are collected; data preprocessing is carried out on the collected data information, wherein the preprocessing content comprises data cleaning, integration and conversion; the preprocessed historical drilling data is used as input, the crack width is used as output, the imaging logging real crack width isused as a standard value, and a crack width prediction neural network model is obtained through supervision training and optimization; and the drilling instant data related to the target positive drilling well is imported into the neural network model, and the model automatically judges the corresponding well depth crack width at the moment. By utilizing the technical scheme provided by the embodiment of the invention, the crack width of the positive drilling well can be conveniently and accurately predicted in real time, so that decision support is provided for leakage stoppage constructionpersonnel, and the one-time leakage stoppage success rate of crack leakage is improved.
Owner:SOUTHWEST PETROLEUM UNIV

Detonation energization explosion-propagating device for perforating gun string

ActiveCN101691837BLarge perforation forceReliable detonationFluid removalDetonatorDetonation
The invention discloses a detonation energization and transmission device for perforating gun strings, which comprises a body, an energizer, two detonating cords, two detonation tubes and a centralizing ring. The energizer is composed of a tube body, a point The ignition expansion tube formed by gunpowder and the expansion tube. The energizer is located in the middle of the main body and is centered by the centering ring, and the detonator and the detonating cord are on both sides in turn, and are centered by two centering sleeves. When forming a string of perforating guns, the two ends of the body are respectively connected to the upper and lower perforating guns, and the other ends of the two detonating cords are respectively connected to the perforating charges in the corresponding perforating guns. The invention is assembled between every two sections of perforating guns and interlayer guns in the perforating gun string used for oil and gas wells, which solves the problems of reliable perforation of the existing perforating gun string and reliable explosion transmission of the interlayer gun; Insufficient energy of the detonation equipment itself and the loss and attenuation of the detonation wave energy in the transmission process caused incomplete perforation and rework accidents such as gun jamming, which increased the reliability of perforation and improved the performance of perforation completion. security.
Owner:WUHUA ENERGY TECH CO LTD

Method for dyeing vivid fluorescent green on cotton knitwear

InactiveCN101597867AMeet the requirements of bright colorMeet quality indicatorsDyeing processFluorescenceEmerald
The invention relates to a method for dyeing cotton knitwear, in particular to a method for dyeing fluorescent green on cotton knitwear. The method comprises the following steps: 1) pretreating grey cloth; 2) placing the grey cloth and eightfold weight of water into a dye vat; 3) heating the grey cloth and the water to a temperature of 60 DEG C, adding reactive emerald blue MZ-HGN, 7GFF fluorescent yellow and salt into the dye vat in sequence to reserve the temperature for 30 minutes; 4) continuously heating the mixture to a temperature of 80 DEG C, and gradually adding calcined soda for fixation, and reserving the temperature for 30minutes; 5) continuously heating the mixture to a temperature of 100 DEG C, and reserving the temperature for 15 minutes; 6) comparing the grey cloth with a sample, cooling the grey cloth to a temperature of 70 DEG C, and removing dye liquor; 7) washing the grey cloth with water twice after the steps; 8) washing the water washed grey cloth with soap once at a temperature of 90 DEG C; 9) washing the grey cloth which is washed by the soap for 2 or 3 times with water; 10) carrying out softening treatment on the water washed grey cloth at 40 DEG C, reserving the temperature for 15 minutes and taking the grey cloth out of the dye vat; 11) dehydrating the grey cloth; 12) drying the grey cloth; 13) shaping the grey cloth. The cloth dyed through the method not only can meet the requirement of clients on color brightness, but also achieves the corresponding quality index.
Owner:ZHEJIANG YINHE PRINTING & DYEING

Fishing needle, fishing device and fishing method for fishing a soft material in tube for oil gas well

The invention discloses a fishing needle, a fishing device and a fishing method for fishing a soft material in a tube for an oil gas well. The fishing needle comprises a fishing rod (2); at least one fishing pin (3) is arranged on the peripheral surface of the lower section of the fishing rod; and an included angle alpha formed between the axes of the fishing pin and the fishing rod in the upward direction is an acute angle. The fishing device comprises the fishing needle, a hoisting mechanism and a steel wire rope, wherein the upper end of the fishing rod is connected with the hoisting mechanism by the steel wire rope. The fishing method comprises the following steps that: 1, the fishing needle is placed into an orifice of the tube for the oil gas well, the fishing needle is lowered down and the depth of the falling material is determined; and 2, the steel wire rope is recovered by 5 to 8m, then the hoisting mechanism is controlled to rapidly lower down the steel wire rope, the fishing rod and the fishing pin of the fishing needle pierce into the falling material, an inverted hook is formed after the fishing pin pierces into the falling material and the hoisting mechanism hoists the steel wire rope to lift the fishing needle and the falling material to the orifice so as to take out of the falling material. The invention can solve the problem that the soft irregular material falls into the tube after the well is drilled and in the testing operation and is difficult to take out.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Three-dimensional measuring equipment for submarine pipelines

The invention discloses three-dimensional measuring equipment for submarine pipelines, which comprises a main bracket, a hydraulic clamping mechanism symmetrically disposed on the main bracket, a concentric positioning device, an axial displacement mechanism and a circumferential rotation mechanism. The main bracket is composed of a guide rod used for connecting a front support with a rear support. The hydraulic clamping mechanism is composed of oil cylinders arranged on the front and rear supports. The oil cylinders are connected with clamping claws. The concentric positioning device comprises a fixed seat fixed on the front and rear supports, and the fixed seat is internally provided with a screw. The screw is provided with a support rod. The axial displacement mechanism comprises an upper motor fixed on the front support, a rolling bearing installed at the upper part of the rear support, and a second semi-circular frame structure arranged between the front and rear supports. The circumferential rotation mechanism comprises a lower motor arranged on the second semi-circular frame structure, and a plurality of rollers connected with the second semi-circular frame structure. By means of the three-dimensional measuring equipment, a bent submarine pipeline or other heavily deformed / damaged submarine pipelines can still be accurately measured. Therefore, the one-shot success rate of the repair job is improved.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Exterior wall water pouring test device, and method for carrying out water pouring test employing same

The invention relates to an exterior wall water pouring test device, and a method for carrying out a water pouring test employing the same. The exterior wall water pouring test device comprises a support structure supported on a roof, wherein the support structure protrudes out of the exterior wall and forms a cantilevering end; an adjusting structure installed on the support structure; a spraying structure connected to the adjusting structure and arranged on the outside of the exterior wall, wherein the spraying structure achieves height adjustment by means of adjustment of the adjusting structure; a spacing structure connected to the spraying structure, wherein the end portion of the spacing structure is supported on the exterior wall; and a water conveying structure communicated with the spraying structure and supplying water to the spraying structure. According to the invention, water is sprayed to the building exterior wall to simulate the rain wash effect. seepage point statistics can be carried on sprayed positions in the building, analysis of causes is carried out in dependence on the seepage condition, maintenance can be carried out specifically, the one-time success rate of handing in the room is increased, and the maintenance rate is reduced.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Hand sample color imitation process for cotton knitted fabric

The invention discloses a hand sample color imitation process for cotton knitted fabric. The hand sample color imitation process is mainly designed to overcome the defect that the reproducibility of the color phase of a hand sample and the color phase of a bulk sample is low due to a traditional hand sample dyeing process. The hand sample color imitation process for the cotton knitted fabric comprises the steps of hand sample soaking treatment, dyeing liquid preparation, additive adding and dyeing treatment. In the step of additive adding, anhydrous sodium sulphate of a first preset amount and sodium carbonate of a second preset amount are added to high-temperature dye liquor or neutral color dye liquor or dark color dye liquor at one time, or the anhydrous sodium sulphate of the first preset amount and the sodium carbonate one third of the second preset amount are added to light color dye liquor for the first time. In the step of dyeing treatment of the light color dye liquor, when the dye liquor is 35 DEG C to 40 DEG C, the sodium carbonate of two thirds of the second preset amount is added for the second time. The reproducibility of the dyeing hand sample and bulk sample of the cotton knitted fabric can be effectively improved, the one-time success rate of bulk sample dyeing is improved, and production cost is lowered.
Owner:JIHUA 3543 KNITTING CLOTHING

Method for positioning liquid tank quickly and accurately during building of liquefied ship

The invention relates to a method for positioning a liquid tank quickly and accurately during the building of a liquefied ship. The method comprises the following steps: setting a guide plate and a lifting point on the liquid tank separately; mounting a detachable guide device in the mounting position of the liquid tank on a ship body segment; welding an operating eye plate on a deck, connecting a steel wire rope on hoisting equipment on the lifting point to lift the liquid tank above the mounting position, and connecting a chain block with the lifting point and the operating eye plate separately to position the liquid tank; pouring epoxy resin at the mounting position of the liquid tank, starting the hoisting equipment to enable the liquid tank to fall down, controlling the falling stability of the liquid tank by the chain block, and enabling the guide plate to clamp in the specially designed guide device; enabling the liquid tank to fall down to the mounting position quickly under accurate control; dismantling the steel wire rope and the chain block and dismantling the reusable guide device. The one-time positioning method provided by the invention has the characteristics of accuracy and quickness in hoisting, and the dismantled guide device can be reused repeatedly after hoisting.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP

Bending machine for double-layer flexible circuit board

The invention discloses a double-layer flexible circuit board bending machine, a conveying device is arranged on one side of a rack, a visual positioning mechanism is arranged on the conveying device,and a mechanical arm feeding and discharging mechanism is arranged on the upper portion of the conveying device; the double-layer flexible circuit board bending mechanism is arranged on the rack in an array mode, the carrying mechanism is arranged at the discharging end of the double-layer flexible circuit board bending mechanism, the AOI positioning and detecting mechanism is located above the double-layer flexible circuit board bending mechanism, and the pre-shifting and pre-pressing mechanism is located in front of the double-layer flexible circuit board bending mechanism. According to theinvention, actions from separation of the double-layer flexible circuit board to film tearing and from lamination of the double-layer flexible circuit board to shaping and bending are all automatically completed by the equipment, so that the manpower is effectively saved, the bending accuracy is improved, and the one-time yield is as high as 99.7%; the core technology of the product is not only suitable for bending the flexible circuit board of the display screen of the tablet personal computer, but also capable of meeting the bending requirements of mobile phones and other flexible circuit boards adopting flexible circuit board products, and particularly suitable for the most popular flexible AMOLED display technology at present.
Owner:厦门微亚智能科技股份有限公司

Flexible first-time sand control sandblasting technique pipe

The invention relates to the technical field of oilfield workover sand control operation, in particular to a flexible first-time sand control sandblasting technique pipe. Multiple slotted screens of the pipe are mutually connected through flexible connectors to form a slotted screen string, each flexible connector comprises a flexible connector lower adaptor and a flexible connector upper adaptor which are connected and are locked through a flexible connector locking screw, the lower end of the slotted screen string is connected with a ball seat with the lower end connected with a guiding shoe nib, the upper end of the slotted screen string is connected with a hanger body through the flexible connectors, a hanger sealing rubber sleeve and a rubber sleeve distance ring are sleeved on the hanger body, a compression rubber sleeve adaptor is disposed at the upper end of the rubber sleeve distance ring and is in screwed connection with the hanger body, and the upper end of the compression rubber sleeve adaptor is in screwed connection with a hanger spindle and fixed through a shear pin. By the technique pipe, first-time success rate of sand control of large-curvature wells is improved, sand control cost is lowered, sand control time effectiveness is improved, and production of sand control wells is resumed timely.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Crankshaft box balancing bearing cover oil passage steel ball press fitting tool

The invention provides a crankshaft box balancing bearing cover oil passage steel ball press fitting tool. The crankshaft box balancing bearing cover oil passage steel ball press fitting tool comprises a base plate. A steel ball press fitting mechanism and a balancing bearing cover positioning mechanism are arranged on the base plate. The steel ball press fitting mechanism comprises a support seat, a steel ball guiding sleeve, a steel ball material storehouse and a steel ball pressing rod. The support seat is fixed on the base plate. The steel ball guiding sleeve is arranged on the support seat in a sleeved mode. A guiding sleeve pipeline with openings at two ends is arranged in the steel ball guiding sleeve. A diameter of the guiding sleeve pipeline is smaller than two times of a diameter of the balancing bearing cover oil passage steel ball. The steel ball material storehouse is fixedly connected with the steel ball guiding sleeve in a perpendicular mode. A steel ball storage pipe cavity is arranged in the steel ball material storehouse. A diameter of the steel ball storage pipe cavity is fit with the diameter of the balancing bearing cover oil passage steel ball. The steel ball storage pipe cavity is communicated with the guiding sleeve pipeline. The steel ball pressing rod is connected with the guiding sleeve pipeline in a sliding mode. The crankshaft box balancing bearing cover oil passage steel ball press fitting tool is convenient, reliable and safe to carry out the work of the crankshaft box balancing bearing cover oil passage steel ball press fitting. Working quality and working efficiency are greatly improved.
Owner:ZHEJIANG GEELY POWERTRAIN CO LTD +2

Colored wide and dense cotton belt and dyeing method thereof

The invention discloses a colored wide and dense cotton belt and a dyeing method of the colored wide and dense cotton belt and belongs to the technical field of textile dyeing. The dyeing method comprises the following steps of (1) preshrinking the wide and dense cotton belt, wherein the wide and dense cotton belt is immersed in hot water with the temperature ranging from 50 DEG C to 90 DEG C for 15 to 50 minutes, and then dehydration is carried out, wherein the bath ratio is 1:5-20; (2) winding the belt, wherein the preshrunk wide and dense cotton belt is evenly wound around a dyeing shaft; (3) conducting pretreatment, wherein the dyeing shaft with the wound wide and dense cotton belt is placed in a dyeing device for pretreatment, specifically, the start pump speed of a water pump of the dyeing device is 10 percent to 15 percent of the maximum pump speed, the pump speed of the water pump is increased by 15 to 25 percent every 20 to 40 minutes, the pump speed is increased to 80 to 90 percent of the maximum pump speed finally, and pretreatment is carried out for 40 to 60 minutes at the final pump speed; (4) conducting dyeing, wherein the pretreated wide and dense cotton belt is dyed. By the adoption of the dyeing method, the obtained colored wide and dense cotton belt has the advantages of being even in color, free of wrinkles and folds. The dyeing method can be widely applied to dyeing production of wide and dense cotton belts.
Owner:广东康派环创科技有限公司

Anti-clogging sampling structure and sampling probe with same and sampling system with sampling probe

PendingCN108652683ATo achieve the purpose of tissue cuttingAvoid cloggingSurgical needlesVaccination/ovulation diagnosticsMedicineSurgical site
The invention relates to an anti-clogging sampling structure and a sampling probe with the same and a sampling system with the sampling probe. According to the anti-clogging sampling structure, an elastic device is arranged in an anti-clogging sampling channel, a puncture head is connected to one end of the elastic device, and the other end of the elastic device is always in an inner tube during the sampling process. A certain space always exists between the elastic device and the inner wall of an outer tube to prevent the size of tissue adsorbed into the anti-clogging sampling channel duringthe sampling process from exceeding the size of the anti-clogging sampling channel, so that the anti-clogging effect is achieved. The anti-clogging sampling structure further includes two fluid flow channels, the two fluid flow channels are disposed at both ends of a sampling tank, and the tissue is fixed by negative pressure suction. The anti-clogging sampling structure and the sampling probe with the same and the sampling system with the sampling probe have the beneficial effects that through the arrangement of the elastic device and the two fluid flow channels, the anti-clogging performanceof the channel is effectively improved, the integrity of tissue cutting is ensured, the functions of tissue adsorption, rotary cutting sampling, and surgical site irrigation are combined together, and the one-time success rate of a surgery is improved.
Owner:戴凌虹

Automatic superficial venipuncture and catheterization equipment

The invention belongs to the field of medical equipment, and particularly relates to intelligent equipment for improving the one-time success of superficial venipuncture and catheterization, and a usemethod thereof. In order to solve the problem of a low one-time success rate of superficial venipuncture and catheterization, the invention focuses on solving two core problems of venous displacementand a limited safety range of a puncture diameter line when venipuncture and catheterization are carried out. A near-infrared illumination imaging vein positioning assembly is used to analyze, automatically identify and select a puncture vein; a vein fixing and puncture assembly is designed to realize vein fixing and innovate a safe puncture and catheterization method; a blood return recognitionassembly is used to realize the monitoring feedback of superficial venipuncture and catheterization, and judge whether the puncture is successful or not; a disinfection film-sticking assembly is usedto realize skin disinfection before puncture and indwelling needle film-sticking fixing after puncture; and a support fixing assembly designed according to anatomy is used to complete comfortable support fixing of a limb where a venipuncture site is located. The beneficial effects are that the certainty of the success of superficial venipuncture is greatly improved, the pain of patients is reduced, and the medical safety is improved.
Owner:杜学军 +1

A kind of jack for changing the rolling angle of the shield machine

The invention provides a jack used for changing the rolling angle of a shield tunneling machine. The jack is used for the rolling angle correction of the shield tunneling machine during shield construction. The shield tunneling machine comprises a cutter head located on a front end, a shield shell connected to the cutter head and a duct piece located on the rear portion of the shield shell. The tail of the shield shell is provided with a shield tunneling machine oil pump. A shield tunneling machine oil pump supporting boot is connected to the duct piece when being stretched. The jack is arranged at the contact point of the duct piece and the shield tunneling machine oil pump supporting boot. The jack comprises a friction plate and an adjusting bolt fixed to the edge of the friction plate.When the jack works, the jack friction plate is arranged between the duct piece and the shield tunneling machine oil pump supporting boot in a stretching state. The non-fixed end of the adjusting boltof the jack is supported at a support point. An operation person rotates the adjusting bolt so that the friction plate moves between the duct piece and the supporting boot, and the jack friction plate applies a force to the shield shell through the supporting boot to correct the rolling angle of the shield tunneling machine. The jack is particularly suitable for the timely correction of the uncontrolled rolling angle of the shield tunneling machine when an earth pressure balance shield passes through complex formations such as muddy soil and the like for a long distance.
Owner:POWERCHINA RAILWAY CONSTR +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products