34results about How to "Improve first-time success rate" patented technology

The invention relates to a method for obtaining the molding resilience value of a plate based on a CAE (Computer Aided Engineering) analysis method, relating to a method for accurately obtaining the resilience value in the molding machining of an automobile covering piece. The method comprises the following steps of: firstly, determining the design data for the molding machining; secondly, obtaining the molding analogue resilience value of the plate through the CAE analysis method; thirdly, manufacturing a test mould according to the design data for the molding machining, and molding and machining the plate through the test mould to manufacture a test molding piece; fourthly, selecting a plurality of measuring points on the test molding piece, and measuring the outline data of the test molding piece to obtain the actual resilience value of a certain measuring point; fifthly, comparing the actual resilience value with the analogue resilience value to obtain a deviation ratio, and obtaining the set resilience value of each measuring point by taking the mean of the deviation ratio as a resilience compensating factor and according to the analogue resilience value and the resilience compensating factor; and finally manufacturing a formal mould according to the set resilience value of each measuring point. In the invention, the accuracy rate of manufacturing the mould is improved through data acquisition, and important data are provided for manufacturing the mould meeting the design requirement once.

The invention relates to a medium-high temperature oil reservoir phenolic gel self-degradation temporary plugging agent and a preparation method thereof. The temporary plugging agent is prepared fromthe following components in percentage by mass: 2 to 2.5 percent of low molecular weight polymer, 0.2 to 0.25 percent of phenolic cross-linking agent, 0.2 to 0.6 percent of aldehyde cross-linking agent, 0.05 percent of stabilizer, 0.1 percent of catalyst, 0.5 to 2 percent of gel breaker and the balance of water, wherein the sum of the mass percent of all the components is 100 percent. The gel temporary plugging agent provided by the invention can meet the requirements that the oil reservoir temperature is 60-100 DEG C, the plugging time is adjustable within 120-168h, and the gel breaking timeis adjustable within 168-240h; the plugging rate of a rock core reaches 98% or above, the permeability damage rate after gel breaking is 10% or below, a high-permeability layer of a target stratum canbe effectively plugged, flowback is easy after automatic gel breaking, damage to the stratum is extremely small, and the plugging agent can be suitable for most conventional oil reservoirs and has good field application value.

The invention provides a production line for V-method modeling. The production line comprises a modeling region, a mould overturning and mould assembling region and a loam core discharging region which are arranged in sequence, wherein the modeling region comprises two sets of modeling trolleys arranged on a guide rail; the mould overturning and mould assembling region comprises a mould overturning machine, an elevated trackway arranged above the mould overturning machine, and a mechanical arm trolley arranged on the elevated trackway; and the loam core discharging region comprises a transportation trolley arranged on the guide rail. According to the production line for the V-method modeling, a traditional production mode that a task is finished by allocating and transporting a casting mould to different stations through the reciprocating of a travelling crane is changed so that the production rate is improved and the occupied area of equipment in a workshop is reduced; and the production line can produce compactly and is operated at high speed, so that the labor force is saved and the safe production is greatly facilitated.

A method for coupling detector on optical fiber in omni bearing self alignment way includes utilizing laser auxiliary corrosion technique to generate corrosion hole on back surface of semiconductor substrate for preparing round hole detector, inserting optical fiber in round hole for aligning optical fiber to front photosensitive surface of detector accurately so as to realize nonbearing self alignment couple of detector ¿C optical fiber.

The invention discloses a precision medical instrument which comprises an operation end, a cable tube and an execution end. The operation end, the cable tube and the execution end are sequentially connected with one another; the precision medical instrument can be controlled by doctors or assistants from the operation end in an in-vitro manner, at least one hole is formed in a side wall of the execution end, the ends of a plurality of shaft levers are close to the holes, a balloon, a needle-shaped component, an imaging lens and an auxiliary airbag are fixed to the top of at least one shaft lever, and a partition plate is arranged between each balloon and the corresponding needle-shaped component, is welded inside the execution end and has deflection. The precision medical instrument has the advantages that the execution end can be positioned at distal ends by the aid of positioning technologies, accordingly, rotation can be prevented, and the puncture and sampling precision can be improved.

The invention relates to a connecting rod bushing interference assembling method. The method comprises the steps of placing a copper-base alloy bushing in the hot forging process, wherein the outer circular surface of the bushing is unnecessary to fine finish before the forging, and a small-end pore of an iron-base alloy connecting rod is well bonded with a joint surface of the bushing after the forging; primarily connecting the bushing with the small-end pore of the connecting rod in an expansion manner by utilizing an expansion tool, so that not only can the clearance formed in the cooling process of a forged piece be eliminated, but also the interference assembling can be realized, the small-end pore of the connecting rod and the outer circular surface of the bushing are not machined in the entire process, the success rate for assembling the bushing in one step can be increased, the assembling quality is reliable, the machining procedure can be reduced, the production cost can be reduced, and the production efficiency also can be improved.

The invention relates to an X-ray steel pipe seam detection supporting arm device, wherein bottom parts of two main vertical posts and two auxiliary vertical posts are fixed on a base, upper end parts of the vertical posts are connected through a front stiffening beam and a back stiffening beam, a main screw and an auxiliary screw are respectively arranged between two main vertical posts and two auxiliary vertical posts, the upper ends of the main vertical posts, the main screw, the auxiliary vertical posts and the auxiliary screw are respectively connected with crossbeams, the main screw and the auxiliary screw are respectively connected with a key shaft of a speed reduction motor, which is arranged at the top ends of the screws, a lifting device is connected with the main screw and the auxiliary screw, a supporting arm is connected with the lifting device, and an X-ray tube is arranged on the front end of the supporting arm. When the X-ray steel pipe seam detection supporting device works, the double screws can drive the supporting arm to rise up and down, one of the screws is used for regulating levelness, and then the X-ray tube fixed on the front end of the supporting arm extends to the inside of a welded tube to conduct real-time imaging or shooting for seams of the welded tube or other projects to be detected, therefore, the operations are simple and convenient, the positioning is accurate, and the one-step success rate is high in the detection of long tubes.

The invention discloses a 3D printing navigation template for an operation of children hip joint dislocation. The 3D printing navigation template comprises an upper end which covers the upper portion of the outer side of hip bones and a lower end which coves the lower portion of the outer side of the hip bones, a wedge-shaped slot is formed in the junction of the upper end and the lower end, the upper end is provided with a detachable bone-cutting end cover, and a kirschner wire inserting hole is formed in the bone-cutting end cover. The invention further discloses a manufacturing method of the 3D printing navigation template for the operation of children hip joint dislocation, through the design of the wedge-shaped slot and the bone-cutting end cover of the navigation template, precise locating in the operation of bone cutting and ilium sawing is conducted, the operation time is shortened, and the operation precision is improved. The navigation template is subjected to personification customizing through a 3D printing technology according to different disease conditions of child patients, and the 3D printing navigation template is totally applicable to every infant patient.

The invention discloses a vertical hot sleeving process method for a flange end-free long and thin main shaft. By means of the process method, the requirement for the fastening amount obtained after the flange end-free long and thin main shaft and a thin-walled part are subjected to hot sleeving can be met, and the hot sleeving efficiency and the assembling quality are improved. The fixing mannerof the main shaft without a flange end after erecting is fundamentally innovated, pit installation stations of a workshop are utilized, the situation that too much space is occupied due to the fact that a climbing scaffold is erected is avoided, the problem that the height exceeds limitation when a component is hoisted during hot sleeving is also avoided, the hot sleeving preparation and assemblyperiod is shortened, the hot sleeving safety is improved, the installation stations and tools can also be utilized for a long time, and the installation cost is greatly reduced.

The invention discloses a downward hanging mounting method for fire control sprayers in the form of a mineral cotton plate suspended ceiling. The downward hanging mounting method comprises the following steps that after a fire control design drawing is audited and a suspended ceiling form required by an owner is defined, a mineral cotton plate suspended ceiling split image is arrayed according to the requirements of the owner, the mineral cotton plate suspended ceiling split image and a sprayer point location image are integrated and overlapped, and point locations where the sprayers make contact with a keel and point locations where the sprayers are not located at the center of a mineral cotton plate are modified accordingly under the condition of meeting the requirements of fire protection rules. According to the downward hanging mounting method, in the process of downward hanging mounting for the fire control sprayers in the form of the mineral cotton plate suspended ceiling, the problems that because professions such as fire control, installation and decoration are often constructed synchronously, cross-operation happens and finished products are damaged and collide with one another are solved, the damage and the collision of the finished products are reduced, the efficiency and the quality of construction are improved, the one-time high-quality rate is greatly improved, cost is reduced, and benefits are improved.

The invention relates to a venipuncture robot control method and device and a computer readable storage medium. The venipuncture robot control method comprises the steps of respectively collecting anoriginal infrared image and an original visible light image of an arm; selecting a target blood vessel based on the original infrared image, and intercepting a part containing a target blood vessel area from the original infrared image as a target infrared image; intercepting a part in a corresponding range from the original visible light image according to the target infrared image to serve as atarget visible light image, preprocessing the target visible light image, and inputting the preprocessed target visible light image into a trained recognition model to obtain a recognition result, wherein the recognition result is that veins protrude out of the epidermis or the veins are hidden under the epidermis; and when the recognition result is that the veins protrude out of the epidermis, controlling a blood vessel fixing device of the robot to fix blood vessels. Compared with the prior art, the method has the advantages of improving the first success rate of automatic puncture and the like.

The invention relates to a dyeing sample vat and specifically relates to an ultralow bath ratio rope-shape dyeing sample vat which belongs to the dye vat technical field. The ultralow bath ratio rope-shape dyeing sample vat comprises a vertical vat body, a first cloth tank and a second cloth tank are arranged side by side at the lower part of the vertical vat body; a cloth lifting wheel is installed at the upper part inside the vertical vat body; a first nozzle and a second nozzle are installed under the cloth lifting wheel; a first material in-and-out end and a second material in-and-out end are respectively installed at a left side and a right side of the middle of the vertical vat body. The dyeing sample vat of the invention can be operated and works with the same bath ratio as bulk dye vats; the process flows of rope-shape dyeing in sample vats and bulk production vats are completely the same so as to guarantee the perfect reproduction quality from proofing to bulk production for dye plants; the one-time success rate is increased so that energy saving and environmental protection are fulfilled.

The invention discloses a prism bar examination device for strabismus examination. According to the main technical scheme, the prism bar examination device comprises an examination table, a prism bar and a bar control mechanism, wherein the inspection table comprises two fixed columns, a head support and a movable support, the head support is arranged between the two fixed columns, two ends of the movable support are movably connected with the two fixed columns respectively; the movable support can make lifting motion in the vertical direction; the bar control mechanism comprises a horizontal sliding seat and a sliding piece, the horizontal sliding seat is fixedly connected with the movable support, a vertical sliding groove is formed in the sliding piece, and the prism bar is embedded in the vertical sliding groove; the prism bar comprises a plurality of prisms with different prism degrees, the plurality of prisms are sequentially arranged according to a fixed prism degree gradient, a positioning mechanism is arranged between the vertical sliding groove and the prism bar, and the prism bar moves upwards or downwards according to a fixed displacement distance each time through a positioning mechanism; and a light shielding plate used for shielding eyes is further arranged, and is horizontally connected with the movable support or the horizontal sliding seat in a sliding mode.

The invention discloses a mechanical sealing type high-pressure capillary gas circuit device for connecting simulation testing equipment with a high-pressure gas refrigerating device. The device comprises a capillary high-pressure gas pipe, two jacket nuts and spiral head sealing components, wherein the two jacket nuts respectively penetrate into two ends of the capillary high-pressure gas pipe, and the spiral head sealing components are arranged in the jacket nuts and surround the outer wall of the capillary high-pressure gas pipe. The simulation testing equipment and the high-pressure gas refrigerating device are connected and sealed through one or two series-wound devices. Two end parts of the capillary high-pressure gas pipe are arranged outside the spiral head sealing components. The device is connected with the simulation testing equipment and the high-pressure gas refrigerating device through the jacket nuts. When the jacket nuts are fastened by virtue of an external pressure in a use state, the spiral head sealing components are deformed so as to surround and seal the outer wall of the capillary high-pressure gas pipe. According to the mechanical sealing type high-pressure capillary gas circuit device, the capillary high-pressure gas pipe can be rapidly and safely mounted; and the device is good in sealing property and flexibility and is particularly suitable for being used in a narrow space and repeatedly detached.

The application provides a method and a device of initial accessing of a wireless terminal. The method includes: marking a user request as an emergency service request in a radio resource control (RRC) layer according to an emergency service attribute of the user request; marking the user request as the emergency service request in a message sent to a middle layer; and notifying a physical layer of initiating an emergency initial accessing request. Emergency service requests and regular service requests are distinguished at a bottom layer, a case where emergency initial communication establishment is repeatedly delayed due to that PRACH initial power is too low is avoided, efficiency of communication establishment is improved, time delay of communication establishment is reduced, and a one-time success rate of initial accessing is increased. For a terminal of emergency communication demand, better timing and higher initial power can be obtained in a random accessing process. Invalid power loss caused by initiating PRACH power climbing for multiple times is avoided, battery endurance capacity of the terminal can be improved, economy is good, feasibility is high, and markets are broad.

The invention relates to a connecting rod bushing interference assembling method. The method comprises the steps of placing a copper-base alloy bushing in the hot forging process, wherein the outer circular surface of the bushing is unnecessary to fine finish before the forging, and a small-end pore of an iron-base alloy connecting rod is well bonded with a joint surface of the bushing after the forging; primarily connecting the bushing with the small-end pore of the connecting rod in an expansion manner by utilizing an expansion tool, so that not only can the clearance formed in the cooling process of a forged piece be eliminated, but also the interference assembling can be realized, the small-end pore of the connecting rod and the outer circular surface of the bushing are not machined in the entire process, the success rate for assembling the bushing in one step can be increased, the assembling quality is reliable, the machining procedure can be reduced, the production cost can be reduced, and the production efficiency also can be improved.

The invention relates to a sample dyeing vat, in particular a rope-like dyeing vat with an ultra-low bath ratio, which belongs to the technical field of dyeing vats. It includes a vertical cylinder body, the lower part of the vertical cylinder body is provided with a first cloth groove and a second cloth groove side by side; the upper part of the vertical cylinder body is provided with a cloth lifting wheel, and the lower part of the vertical cylinder body is equipped with a first nozzle and a second nozzle ; The left and right sides of the middle of the vertical cylinder body are respectively provided with a first inlet and outlet end and a second inlet and outlet end. The invention can operate and work at the same liquor ratio as the large-scale dyeing vat, and can realize the same process flow of the small-sample vat and the large-volume production dyeing vat during fabric rope dyeing, thereby ensuring the perfect reproduction of the dyeing factory from proofing to large-scale production It can increase the one-time success rate of dyeing, thus helping dyeing factories to achieve energy saving and environmental protection.

The invention discloses a mechanical sealing type high-pressure capillary gas circuit device for connecting simulation testing equipment with a high-pressure gas refrigerating device. The device comprises a capillary high-pressure gas pipe, two jacket nuts and spiral head sealing components, wherein the two jacket nuts respectively penetrate into two ends of the capillary high-pressure gas pipe, and the spiral head sealing components are arranged in the jacket nuts and surround the outer wall of the capillary high-pressure gas pipe. The simulation testing equipment and the high-pressure gas refrigerating device are connected and sealed through one or two series-wound devices. Two end parts of the capillary high-pressure gas pipe are arranged outside the spiral head sealing components. The device is connected with the simulation testing equipment and the high-pressure gas refrigerating device through the jacket nuts. When the jacket nuts are fastened by virtue of an external pressure in a use state, the spiral head sealing components are deformed so as to surround and seal the outer wall of the capillary high-pressure gas pipe. According to the mechanical sealing type high-pressure capillary gas circuit device, the capillary high-pressure gas pipe can be rapidly and safely mounted; and the device is good in sealing property and flexibility and is particularly suitable for being used in a narrow space and repeatedly detached.

The invention discloses a downward hanging mounting method for fire control sprayers in the form of a mineral cotton plate suspended ceiling. The downward hanging mounting method comprises the following steps that after a fire control design drawing is audited and a suspended ceiling form required by an owner is defined, a mineral cotton plate suspended ceiling split image is arrayed according to the requirements of the owner, the mineral cotton plate suspended ceiling split image and a sprayer point location image are integrated and overlapped, and point locations where the sprayers make contact with a keel and point locations where the sprayers are not located at the center of a mineral cotton plate are modified accordingly under the condition of meeting the requirements of fire protection rules. According to the downward hanging mounting method, in the process of downward hanging mounting for the fire control sprayers in the form of the mineral cotton plate suspended ceiling, the problems that because professions such as fire control, installation and decoration are often constructed synchronously, cross-operation happens and finished products are damaged and collide with one another are solved, the damage and the collision of the finished products are reduced, the efficiency and the quality of construction are improved, the one-time high-quality rate is greatly improved, cost is reduced, and benefits are improved.

The invention discloses a multi-adaptive fiber optic bronchoscope protecting bush for guiding tracheal intubation. The multi-adaptive fiber optic bronchoscope protecting bush comprises a body, whereinthe body comprises a tube body and a tube head, a respirator joint is inserted into one end of the tube body, the surface of the tube body is provided with scale lines, two side openings are symmetrically formed in one end, close to the tube head, of the tube body, and one end, far from the tube body, of the tube head is arranged in a taper manner; and a plurality of openings are formed in the surface of the tube body. The multi-adaptive fiber optic bronchoscope protecting bush is strong in adaptability, and an interval between a small air tube guide tube and a bronchofiberscope handle can bereduced, so that the first success rate of the tracheal intubation guided by a bronchofiberscope is increased; a temporary assisted ventilation channel can be provided for a patient when catheteringis difficult to realize; and the bronchofiberscope is effectively protected, and the disinfection range of the bronchofiberscope is reduced.

The invention relates to a work tip for a hot melting gutta-percha filling machine, which comprises a work tip body, and the outer surface of the front end of the work tip body is a rough surface. The working tip has the beneficial effects that when 1 / 3 root canal treatment is carried out on teeth, after the working tip body of the hot melting gutta-percha filling machine heats and pressurizes the gutta-percha tip, the redundant gutta-percha tip is pulled out from a root canal; the rough surface on the outer surface of the front end of the work tip body can increase the contact area of the work tip body and a gutta-percha point, the surface friction force of the work tip body is increased while the taper of the work tip body is kept, the gutta-percha point can be attached to the surface of the work tip body, the redundant gutta-percha point can be pulled out more easily, the operation difficulty of root canal filling is reduced, and the working efficiency is improved. The one-time success rate of root canal therapy is improved; the structure is simple and easy to realize.

The invention relates to a drill positioner for intramedullary nail fixation and a registration method thereof. The locator includes a sensor module, a drill bit fixing module, and a protective shell module matched with the drill bit fixing module. The drill bit fixing module is disc-shaped, and the center of the circle is provided with a first through hole. The front side of the drill bit fixing module is provided with a hollow conical Drill bit support unit, the protective housing module is installed on the back side of the drill bit fixing module, the center of the protective housing module is provided with a second through hole, the sensor module is installed between the drill bit fixing module and the protective housing module, and the center of the sensor module is provided with a second through hole. There are three through holes, and registration lines are also arranged on the drill bit fixing module. Compared with the prior art, the present invention can accurately realize the remote locking of the intramedullary nail based on the electromagnetic navigation system, helps the user to effectively control the drilling posture, greatly improves the one-time success rate of the distal locking, and at the same time significantly reduces the cost. time.

The invention provides a visual multi-purpose cannula guide core. A micro-camera is movably connected to one end of a guide core, an LED (light-emitting diode) lamp strip is arranged around the micro-camera, the guide core has the effect of plasticity of a trachea cannula, the process of a cannula entering the trachea can be observed, and the micro-camera can be repeatedly used; the guide core is in thread connection with a pressure drug storage capsule, and the surface anesthesia which is conveniently operated by a single person can be realized; a centre controller and a GPRS (General Packet Radio Service ) module are arranged in the micro-camera, the connection and transmission of images in the intubation process can be realized, a more clear observation can be facilitated, a more clear view of an intubation doctor can be realized, a injury to a patient can be avoided, the labor intensity of a medical worker can be relieved, the one-time successful rate of intubation can be improved, meanwhile, the pain of the patient is relieved, and the visual multi-purpose cannula guide core is suitable for extensive popularization.

The invention relates to a drill positioner for an intramedullary nail fixing surgery and a registering method thereof. The positioner comprises a sensor module, a drill fixing module and a protectionshell module matched with the drill fixing module, wherein the drill fixing module is disc-shaped, the circle center of the drill fixing module is provided with a first through hole, the front face of the drill fixing module is provided with a hollow conical drill supporting unit, the back face of the drill fixing module is provided with the protection shell module, the center of the protection shell module is provided with a second through hole, the sensor module is arranged between the drill fixing module and the protection shell module, the center of the sensor module is provided with a third through hole, and the drill fixing module is also provided with a registering line. Compared with the prior art, based on an electromagnetic navigation system, the drill positioner can accuratelyachieve remote locking of intramedullary nails, help a user effectively control the drilling posture, greatly increase the one-time success rate of far-end locking, and also significantly reduce the spent time.

The invention discloses a using method of a plant grafting and seeding cap bag, and relates to the plant grafting technology. The scion protection is carried out by the plant grafting and seeding cap bag in a plant grafting process. The using method comprises five steps of grafting, lashing a support upright post, bagging, water-flooding and removing the bag. The using method has the characteristics that the plant grafting and seeding cap bag can humidify, keep warm, prevent wind, shield the light and prevent rain. A good small environment climate condition is created for plant grafting and seeding; generation of grafted seedling callus and coalescence of a wound are facilitated; and the survival rate and the quality of the grafted seeding can be greatly improved. The using method is simple in operation mode; a sunshade net is not needed to shade after grafting is finished; and the labor intensity and the grafting cost can be reduced.

The invention discloses a guide ground line linear splicing sleeve hydraulic anti-bending mould for a power transmission line. The mould comprises an upper mould and a lower mould, wherein the upper mould is internally provided with an upper inner liner, the lower mould is internally provided with a lower inner liner, and the lower surface of the upper inner liner and the upper surface of the lower inner liner are provided with mutually corresponding crimping grooves. The mould is characterized in that the left side and the right side of the lower mould are each connected with a bracket; the upper surface of each bracket is provided with a support groove for holding a splicing sleeve; the support grooves are coaxial with the crimping groove of the lower inner liner; the bottom surfaces of the support grooves and the bottom surface, on which the lower inner liner is installed, of the lower mould are in the same plane; the left side and the right side of the upper mould are each connected with a press rack; the lower surface of each press rack is provided with a press groove for pressing the splicing sleeve; the press groove is coaxial with the crimping groove of the upper inner liner; and the top surfaces of the press grooves and the top surface, on which the upper inner liner is installed, of the upper mould are in the same plane. By using the mould provided by the invention, the bending problem of a linear splicing sleeve during the crimping process of an aluminum pipe can be effectively solved, and the use quality and the one-step succeeding rate can be improved.

The invention discloses a rolling upgrading method, device and equipment and a computer readable medium, and relates to the technical field of computers. A specific embodiment of the method comprises the following steps: in a preset failover service node queue, determining a next service node of a current node according to the current service node, and when the current service node fails, forwarding a client request received by a gateway to the next service node; starting from the first service node in the preset failover service node queue, selecting non-adjacent service nodes to generate a rolling upgrading service node queue; and upgrading the service nodes, wherein the upgraded service nodes comprise service nodes except the current service node and the next service node in the rolling upgrading service node queue. According to the embodiment, the one-time success rate of client access during rolling upgrading can be improved, and access delay and access failure are reduced.