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43results about How to "Reduce radial stress" patented technology
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Catheter having staggered lumens and method
ActiveUS20070078437A1Improve the immunityReduce radial stressMulti-lumen catheterMedical devicesCatheter device
A catheter may include a multiple lumen catheter tube, a hub attached to the catheter tube, and a first extension leg and a second extension leg attached to the hub. The multiple lumen catheter tube may include a longitudinal axis, an end, a first lumen, and a second lumen. The first lumen and the second lumen extend through the catheter tube along the longitudinal axis and each having an opening. The end of the catheter tube and the openings of the lumen may be disposed within the hub so that the opening of the first lumen is axially spaced with the end of the catheter tube. The first extension leg may be coupled to the first lumen and the second extension leg may be coupled to the second lumen for the separate delivery of fluids to the lumens.
Owner:BECTON DICKINSON & CO
Blade fixing relief mismatch
ActiveUS7156621B2Improved blade and disk interfaceReduce local contact stressPropellersRotary propellersEngineeringGas turbines
A blade fixing and blade mounting slot arrangement for a gas turbine engine has a mismatch fit along a portion of the length of the blade fixing and slot where contact stress would otherwise be maximal.
Owner:PRATT & WHITNEY CANADA CORP
Stator turbine vane with improved cooling
ActiveUS7527470B2Reduce disadvantagesReduce radial stressPump componentsBlade accessoriesLeading edgeSuction stress
Owner:SN DETUDE & DE CONSTR DE MOTEURS DAVIATION S N E C M A
Testing system for internal temperature distribution in process of fusion cast forming of explosives
ActiveCN103487165ASolve the sensitive problem of wavelength shiftPackage structure is simpleThermometers using physical/chemical changesSensor arrayGrating
The invention discloses a testing system for internal temperature distribution in the process of fusion cast forming of explosives. The testing system is formed by an optical fiber Bragg grating sensor array, a signal detecting and demodulating device, a service and monitoring device and an explosive fusion casting device. The optical fiber Bragg grating sensor array is formed by optical fibers in an S-shaped arrangement mode, wherein a plurality of grating sensors are arranged on the optical fibers, and the optical fiber Bragg grating sensor array is fixed on one half of the central axis surface in the explosive fusion casting device. The grating sensors are arranged at intervals and distributed in an array mode. The signal detecting and demodulating device is located outside the explosive fusion casting device and is connected with the optical fibers. The service and monitoring device is in circuit connection with the signal detecting and demodulating device. The testing system effectively shelters the elasto-optical effect of Bragg grating to a thermal stress response, and can carry out sensing and measuring on temperature signals singly so as to carry out continuous multipoint monitoring on the change conditions of an internal temperature field in the process of fusion cast of the explosives.
Owner:ZHONGBEI UNIV
Process for the refurbishing of a sputtering target
ActiveUS7871563B2Reduce radial stressTurning machine accessoriesVacuum evaporation coatingRutheniumHot press
Disclosed in this specification is a process for refurbishing a spent sputtering target. The process includes the step of applying sufficient heat and axial force to the filled sputtering target to hot press the filled sputtering target such that the powdered metal fuses with the un-sputtered metal, producing a refurbished target. The process may be used to refurbish precious metal targets, such as ruthenium targets.
Owner:MATERION ADVANCED MATERIALS TECH & SERVICES
Blade fixing relief mismatch
ActiveUS20050254953A1Improved blade and disk interfaceReduce local contact stressPropellersPump componentsEngineeringStructural engineering
A blade fixing and blade mounting slot arrangement for a gas turbine engine has a mismatch fit along a portion of the length of the blade fixing and slot where contact stress would otherwise be maximal.
Owner:PRATT & WHITNEY CANADA CORP
Trocar seal membrane and assembly comprising normal and reverse concave channels
ActiveUS20190142463A1Limit inversion deformationReduce wrapping areaCannulasSurgical needlesEngineeringLubrication
The invention discloses a trocar seal membrane and assembly comprising normal concave-channels and reverse concave-channels. Said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall from the distal aperture extending to the proximal opening, said distal aperture formed by a sealing lip for accommodating the inserted instrument forms a gas-tight seal, said sealing wall comprising a proximal surface and a distal surface. Said sealing wall is a seamless sealing body with a plurality of normal concave-channels and a plurality of reverse concave-channels surrounding the sealing lip in an alternating manner. The normal concave-channels and reverse concave-channels has the functions of enlarging hoop circumference, reducing the wrapped-area, improving lubrication reliability, increasing the axial tensile stiffness, etc., thereby, the frictional resistance and the stick-slip can be greatly reduced.
Owner:5R MED TECH CHENGDU CO LTD
Annealing treatment method and device for reducing internal stress of crystal
ActiveCN111074348AReduce radial stressAchieve Axial Temperature GradientPolycrystalline material growthAfter-treatment detailsRadial stressCrucible
The invention provides an annealing treatment method for reducing the internal stress of a crystal. The annealing treatment method comprises the following steps: (1) a preparation stage: putting the crystal to be annealed into a crucible, vacuumizing the crucible, and introducing inert gas; and (2) a heating stage: heating the crucible by using a heating device, and in the heating process, respectively controlling the heating temperatures of a plurality of first heating rings concentrically arranged above the crucible in the heating device so that the crucible forms a radial temperature gradient. The heating temperature of a plurality of first heating rings of the heating device is controlled, the crucible forms the radial temperature gradient, the radial temperature gradient different from or opposite to the radial temperature gradient during crystal growth can be obtained and radial stress of the crystal can be remarkably reduced. The heating temperature of the first heating ring below the crucible and the heating temperature of the third heating ring on the side face of the crucible are controlled, the axial temperature gradient of the crucible is achieved, the axial temperaturegradient different from or opposite to the axial temperature gradient of the crystal in the growth process can be obtained and basic elimination of residual thermal stress can be achieved.
Owner:SICC CO LTD
Catheter having staggered lumens and method
ActiveUS7901395B2Improve the immunityReduce radial stressMulti-lumen catheterMedical devicesCatheter
A catheter may include a multiple lumen catheter tube, a hub attached to the catheter tube, and a first extension leg and a second extension leg attached to the hub. The multiple lumen catheter tube may include a longitudinal axis, an end, a first lumen, and a second lumen. The first lumen and the second lumen extend through the catheter tube along the longitudinal axis and each having an opening. The end of the catheter tube and the openings of the lumen may be disposed within the hub so that the opening of the first lumen is axially spaced with the end of the catheter tube. The first extension leg may be coupled to the first lumen and the second extension leg may be coupled to the second lumen for the separate delivery of fluids to the lumens.
Owner:BECTON DICKINSON & CO
Pleated trocar seal membrane
InactiveUS20190142460A1Strengthen axial tensile stiffnessEnhance axial tensile stiffnessCannulasSurgical needlesTransverse planeEngineering
The invention discloses an improved pleated trocar seal membrane. Said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall which extends from the distal aperture to the proximal opening, said distal aperture formed by a sealing lip for accommodating the inserted instrument and forming a gas-tight seal. Said sealing lip comprises a longitudinal axis and a transverse plane substantially perpendicular to said axis. Said sealing wall comprises a plurality of pleats extending laterally from the sealing lip. Each said pleat comprises a pleat peak, a pleat valley and a pleat wall extending there between. And the lip-adjacent area, the depth of the pleat wall gradually increases along the longitudinal axis; while outside the lip-adjacent area, the depth of which gradually decreases along the longitudinal axis. Said pleats enlarge hoop circumference, and reduce the cylinder hoop strain (stress) when a large diameter instrument is inserted, thereby reducing the hoop force and the frictional resistance.
Owner:5R MED TECH CHENGDU CO LTD
Trocar seal membrane with concave-channel structure
ActiveUS20190142459A1Simple molding processIncrease productivityCannulasSurgical needlesTransverse planeEngineering
The invention discloses a trocar seal membrane with concave-channel structure. Said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall from the distal aperture extending to the proximal opening, said sealing wall comprising a proximal surface and a distal surface, said distal aperture formed by a scaling-lip for accommodating the inserted instrument and formed a gas-tight seal, said sealing-lip comprising a longitudinal axis and a transverse plane substantially perpendicular to said axis. In the lip-adjacent area, said sealing wall comprises the main rotary-wall and a plurality of concave-channel each of the concave-channels includes two side sealing-walls, which are defined by both edges and extending laterally outward from the sealing-lip and gradually widening. Said concave-channels have the functions of enlarging hoop circumference, reducing the wrapped area, improving lubrication reliability, increasing the axial tensile stiffness, etc., thereby, greatly reducing the frictional resistance and the stick-slip.
Owner:5R MED TECH CHENGDU CO LTD
While-drilling remote control type multi-stage bent-angle-adjustable screw drilling tool
ActiveCN105525876AReduce fuel consumptionImprove drilling efficiencyDrilling machines and methodsStatorKnuckle
The invention provides a while-drilling remote control type multi-stage bent-angle-adjustable screw drilling tool, which comprises a casing, a stator, a rotor, a shaft coupler, a bearing and an output shaft, wherein a steering knuckle is connected between the shaft coupler and the output shaft; a bypass hole is processed in the output shaft; an adjusting device is arranged in an annular space formed between the casing and the output shaft, and is glidingly matched with a positioning pin; a spring is arranged outside the output shaft arranged at the lower part of the adjusting device; and an eccentric matching structure is formed among the adjusting device, the output shaft and the casing. The screw drilling tool has the advantages that the bent angle of the underground screw drilling tool is controlled through turning on / off of the pump on the ground; the multi-stage adjustment can be performed, so that the technical requirements of drilling processes of wells with different build angle rates and complicated structures can be met; meanwhile, the number of drilling tool replacing times of pipe tripping is reduced; the underground complicated condition occurring risk is reduced; and the drilling efficiency of wells with complicated structures is improved.
Owner:CHINA PETROCHEMICAL CORP +1
Forward extrusion uniform deformation die
ActiveCN107321808AReduce contact frictionIncrease contact frictionExtrusion diesEngineeringFriction force
The invention discloses a forward extrusion uniform deformation die and relates to the field of metal plasticity forming. A groove is formed in the middle of a male die head of a male die body; an arched structure is arranged in the middle of the groove; the cross section of the arched structure is in an arc shape; the length of the groove is equal to the diameter of the male die head; and the height of the arched structure is the same as the depth of the groove. Friction force between a male die and a billet is greatly reduced, and uniform flow of metal is promoted.
Owner:ZHONGBEI UNIV
Method for treating thermocouple conduit leakage in in-core instrumentation system and welding bracket
ActiveCN107662060AAvoid crackingAvoid replacementWorkpiece edge portionsWelding apparatusWeld seamCatheter
The invention relates to a method for treating a thermocouple conduit leakage in an in-core instrumentation system. The method comprises the following steps of cutting a second portion of the leakingthermocouple conduit, drilling a conduit seat to form a filling hole and forming a circular corner at the connecting joint between the side wall of the filling hole and the bottom of the filling hole,arranging a plug with a chamfer in the thermocouple conduit and sealing the thermocouple with the plug to make the circular corner and the chamfer form a groove, and carrying out welding and sealingon the groove. The above method effectively solves the problem of the leakage of the thermocouple conduit in the in-core instrumentation system. Besides, during the welding, the root of a welding seamis easily exposed to the viewing angle range of a welder, and a tungsten pole can overcome space obstacle to more easily reach the root of the welding seam so that the quality of the root of the welding seam is greatly improved. The invention also provides a welding bracket used for the above method, the welding bracket is used for placing an operator's hand to make the welding more stable, makethe controlled welding accuracy higher and ensure the welding quality.
Owner:CHINA GENERAL NUCLEAR POWER OPERATION +2
Trocar seal membrane comprising reverse concave-channel
InactiveUS20190142465A1Improve sealingReduce frictional resistanceCannulasSurgical needlesTransverse planeEngineering
The invention discloses a trocar seal membrane with reverse Concave-channels. Said seal membrane comprises a proximal opening proximal opening, a distal aperture, and a sealing wall extending from the distal aperture to the proximal opening, said distal aperture formed by a sealing lip for accommodating the inserted instrument and forming a seal housing; said sealing lip comprises a longitudinal axis and a transverse plane substantially perpendicular to said longitudinal axis. Said sealing wall in the lip-adjacent area comprises the main rotary-wall and a plurality of reverse Concave-channels, which are recessed from the distal surface of the main rotary-wall toward the proximal surface and the reverse Concave-channel opening pointing to the direction of the distal surface. The shape of the reverse Concave-channel from the perspective of proximal surface is represented as a hollow convex-rib that is raised from the proximal surface. Said reverse Concave-channel has the functions of enlarging hoop circumference, reducing the wrapped area, improving lubrication reliability, increasing the axial tensile stiffness, thereby greatly reducing said frictional resistance and the stick-slip.
Owner:5R MED TECH CHENGDU CO LTD
Trocar sealing system capable of integral inversion
InactiveUS20190142464A1Reliable and reliableReduce frictional resistanceCannulasSurgical needlesEngineeringAbdominal trocar
The invention discloses a seal membrane with a trocar sealing System capable of integral inversion. Said seal membrane comprises a proximal opening, a distal aperture, and a sealing wall which extends from the distal aperture to the proximal opening, said the sealing wall comprising a proximal surface and a distal surface, said distal aperture formed by a sealing lip for accommodating the inserted instrument and forming a gas-tight seal; said sealing wall, in the lip-adjacent area, is a seamless sealing body with a plurality of normal concave-channel and a plurality of reverse concave-channel surrounding the sealing lip in an alternating manner; said said normal concave-channel is recessed from the proximal surface of the sealing wall toward the distal surface and the opening oriented to the proximal surface.
Owner:5R MED TECH CHENGDU CO LTD
Geared motor and power window device
A geared motor includes a motor and a reduction drive. The reduction drive includes a gear housing, a speed reduction-output member, and a restriction portion. The gear housing includes a support shaft. The speed reduction-output member includes a reduction gear, an output gear meshed with an input member, and an accommodation recess. The speed reduction-output member is rotationally supported by the support shaft. The restriction portion is configured to restrict movement of the speed reduction-output member relative to the support shaft. The restriction portion is located between an outer circumferential surface of the support shaft and an inner circumferential surface of the accommodation recess. The restriction portion is located in an axial direction of the support shaft at a position that differs from a portion where the speed reduction-output member abuts in a radial direction against the input member.
Owner:DENSO CORP
Stator turbine vane with improved cooling
ActiveUS20060233644A1Reduce disadvantagesReduce radial stressPump componentsBlade accessoriesLeading edgeSuction stress
In a turbomachine stator vane having a leading edge, a trailing edge, and pressure side and suction side faces, and including a perforated open liner defining an annular cavity between an outside wall of the liner and an inside wall of the vane, an air admission opening for feeding cooling air to the inside of the liner, and an air exhaust opening for exhausting a fraction of this cooling air out from the vane, the liner being secured to the vane at one end and being free at another end to slide along an inside edge of the vane under the effects of relative thermal expansion between the liner and the inside wall of the vane, provision is made for the open liner to comprise a plurality of holes distributed over only two determined zones of said liner, a first series of holes being disposed facing the inside wall of the leading edge and a second series of holes being disposed facing the inside wall of the trailing edge, the holes through the liner in the second series of holes also being disposed in such a manner as to avoid any impact against the bridges of the vane.
Owner:SN DETUDE & DE CONSTR DE MOTEURS DAVIATION S N E C M A
Energy storage flywheel and design method thereof
PendingCN112923014AReduce radial stressTake advantage of mechanical propertiesFlywheelsRadial stressHigh energy
The invention discloses an energy storage flywheel and a design method thereof, and belongs to the technical field of energy storage flywheels. The energy storage flywheel comprises a hub and N layers of composite material rings which are assembled on the hub in an interference mode. The widths of the N layers of composite material rings are the same, and under the condition that the energy storage flywheel rotates, centrifugal force borne by all the layers of composite material rings is the same. According to the energy storage flywheel and the design method thereof, the defect that the radial stress does not meet the allowable strength requirement due to the increase of the radial stress ring by ring caused by centripetal force in the traditional multilayer equal-thickness layer ring design can be overcome, and the mechanical properties of various materials can be fully utilized, so that higher energy storage density can be obtained, and the design of a high-capacity and ultra-large-capacity composite material energy storage flywheel becomes possible.
Owner:XIAN XIUYUAN ELECTROMECHANICAL TECH CO LTD
Reinforced hoop for vaporization cooling flue
InactiveCN106834595AReduce radial stressAchieve axial displacementManufacturing convertersVaporizationEngineering
The invention provides a reinforced hoop for a vaporization cooling flue. The reinforced hoop comprises a shroud ring (2) and a hoop plate (7) which are vertically arranged on the outer surface of a flue (1) in a sleeving manner; each of the shroud ring (2) and the hoop plate (7) is formed by splicing four sector arc segments; the four arc segments of each of the shroud ring (2) and the hoop plate (7) are vertically and correspondingly distributed; every two adjacent arc segments are connected by an elastic assembly; outward-protruded hoop ears A (4) are vertically arranged on two sides of each segment of the shroud ring (2); outward-protruded hoop ears B (8) are vertically arranged on two sides of the bottom of each segment of the hoop plate (7); a round hole A (5) and a round hole B (9) are separately formed in the center of each hoop ear A (4) and the corresponding hoop ear B (8); a plurality of guide rings (3) are symmetrically distributed in the circumferential direction of the shroud ring (2); guiding shafts (6) matched with the guide rings (3) are symmetrically distributed in the circumferential direction of the hoop plate (7). The reinforced hoop provided by the invention can release radial deformation stress and axial deformation stress of the flue while the rigidity of the flue is enhanced; the reinforced hoop is simple to assemble and disassemble, and high in practicality.
Owner:WUHAN UNIV OF SCI & TECH
Geared motor and power window device
A geared motor includes a motor and a reduction drive. The reduction drive includes a gear housing, a speed reduction-output member, and a restriction portion. The gear housing includes a support shaft. The speed reduction-output member includes a reduction gear, an output gear meshed with an input member, and an accommodation recess. The speed reduction-output member is rotationally supported by the support shaft. The restriction portion is configured to restrict movement of the speed reduction-output member relative to the support shaft. The restriction portion is located between an outer circumferential surface of the support shaft and an inner circumferential surface of the accommodation recess. The restriction portion is located in an axial direction of the support shaft at a position that differs from a portion, where the speed reduction-output member abuts in a radial direction against the input member.
Owner:DENSO CORP
Homogenization hot spinning forming method for large-diameter high-pressure gas cylinder
ActiveCN114147131AHigh surface hardnessHigh melting pointShaping toolsHollow articlesSpinningGas cylinder
The invention discloses a homogenization hot spinning forming method for a large-diameter high-pressure gas cylinder, and relates to the field of high-pressure-bearing seamless gas cylinder machining.The homogenization hot spinning forming method comprises the steps that an arc-shaped turning plate is used for spinning the end of a seamless steel pipe, and a cobalt-based alloy surfacing layer is arranged on the working face of the arc-shaped turning plate; after an area within the range of the length L of one end of the seamless steel pipe is heated, a spindle clamping jaw of a spinning machine is used for clamping the seamless steel pipe, the forming face of an arc-shaped turning plate is coated with aquadag, the seamless steel pipe is rotated at the rotating speed of 25 rad / s-29 rad / s, when the seamless steel pipe rotates, the arc-shaped turning plate rotates by 1 / 4 circle in the closing-in direction at the rotating speed of 0.0015 rad / s-0. 0035 rad / s, and then one-time forming is completed; and after the closed end is completely closed and formed, the arc-shaped turning plate is fed by the length M along the inner side of the axis of the seamless steel pipe and then is turned over by 1 / 4 circle in the reverse closing direction, so that the problems that the forming quality of the sealing head of the high-strength steel large-diameter seamless steel pipe processed through hot spinning is poor, and the service life of the turning plate is short are solved.
Owner:SICHUAN UNIV +1
A combined anchor for fiber-reinforced composite cable and its preparation method
ActiveCN110469056BReduce the "notch effect"Reduce "notch effect"Building reinforcementsFiber-reinforced compositeMaterials science
Owner:SOUTHEAST UNIV
Stator of a submersible linear electric motor and method for assembling said stator
ActiveUS20180316250A1Increased durabilityImprove efficiencyMagnetic circuit stationary partsManufacturing stator/rotor bodiesLinear motorPlunger pump
The invention relates to the field of electrical engineering, in particular the design of linear electric motors for submersible installations with a plunger pump, and used for oil extraction. The technical result is to increase the durability of the submersible electric motor and the efficiency of its operation. The stator consists of a cylindrical housing, within which are installed magnetically conductive cups incorporating armature coils and support elements separating the groups of cups, whereby the inner diameter of which is less than the inner diameter of the magnetically conductive cups. On the inner surface of the support elements, grooves are provided, the depth of which is more than half the difference between the inner diameters of the magnetically conductive cups and the support elements. Moreover, the magnetically conductive cups and the support elements are installed in a housing with a radial clearance and are attached therein by fastening elements.
Owner:OILFIELD EQUIP DEVMENT CENT
flywheel
InactiveUS20160061288A1Reduce radial stressIncrease speedFlywheelsMechanical energy handlingRadial stressEngineering
A flywheel includes a wheel ring and a hub ring fitted into the wheel ring. A hub ring main body of the hub ring pressure-contacts an inner periphery of the wheel ring while the flywheel is rotating. The pressure contact of the hub ring with the inner periphery of the wheel ring allows compressive stress applied to the wheel ring in a radial direction to cancel a portion of tensile stress acting in the wheel ring in the radial direction. As a result, the stress in the wheel ring in the radial direction decreases.
Owner:JTEKT CORP
A reinforcement hoop for vaporization cooling flue
InactiveCN106834595BReduce radial stressAchieve axial displacementManufacturing convertersVaporizationMechanical engineering
The invention provides a reinforced hoop for a vaporization cooling flue. The reinforced hoop comprises a shroud ring (2) and a hoop plate (7) which are vertically arranged on the outer surface of a flue (1) in a sleeving manner; each of the shroud ring (2) and the hoop plate (7) is formed by splicing four sector arc segments; the four arc segments of each of the shroud ring (2) and the hoop plate (7) are vertically and correspondingly distributed; every two adjacent arc segments are connected by an elastic assembly; outward-protruded hoop ears A (4) are vertically arranged on two sides of each segment of the shroud ring (2); outward-protruded hoop ears B (8) are vertically arranged on two sides of the bottom of each segment of the hoop plate (7); a round hole A (5) and a round hole B (9) are separately formed in the center of each hoop ear A (4) and the corresponding hoop ear B (8); a plurality of guide rings (3) are symmetrically distributed in the circumferential direction of the shroud ring (2); guiding shafts (6) matched with the guide rings (3) are symmetrically distributed in the circumferential direction of the hoop plate (7). The reinforced hoop provided by the invention can release radial deformation stress and axial deformation stress of the flue while the rigidity of the flue is enhanced; the reinforced hoop is simple to assemble and disassemble, and high in practicality.
Owner:WUHAN UNIV OF SCI & TECH
Mems Pressure Sensing Element with Stress Adjustors to Minimize Thermal Hysteresis Induced by Electrical Field
ActiveUS20220341799A1Decrease radial stressIncrease tangential stressTelevision system detailsPiezoelectric/electrostriction/magnetostriction machinesPhysicsThin membrane
A pressure sensing element, including a substrate, a device layer coupled to the substrate, a diaphragm being part of the device layer, and a plurality of piezoresistors coupled to the diaphragm. A plurality of bond pads is disposed on the device layer, and an electrical field shield is bonded to the top of device layer and at least one of the bond pads. At least one stress adjustor is part of the electrical field shield, where the stress adjustor is a cut-out constructed and arranged to reduce thermal hysteresis of the pressure sensing element caused by stress relaxation of the electrical field shield during a cooling and heating cycle. The stress adjustor may be a thin film deposited on top of the electrical field shield, which may apply residual stress to the piezoresistors. The pressure sensing element may include a cavity integrally formed as part of the substrate.
Owner:VITESCO TECH USA LLC
Extrusion deformation fastener and assembling method thereof
The invention discloses an extrusion deformation fastener and an assembling method thereof. The extrusion deformation fastener comprises a head part and a rod body, and the rod body is provided with a smooth surface section and a threaded section; the outer wall of the threaded section is provided with a concave part into which a part of a high-lock nut is extruded after being extruded and deformed so as to form self-locking; and a wrenching groove is formed in the end face of the side, away from the head part, of the threaded section in the axis direction of the rod body, and a plurality of tooth parts are arranged on the inner wall of the wrenching groove at intervals. The concave part is arranged on the outer wall of the threaded section, the high-locking nut is extruded into the concave part to form self-locking with the high-locking nut after being extruded and deformed by external force, so that the extrusion deformation fastener is simple structure and easy to process and manufacture, has the characteristics of rapidness in assembly and reliability in connection, and has high practicability and easiness in vigorous popularization.
Owner:烟台中天连接技术研究院
Tail connection assembly with built-in optical fiber cable, and connection method
PendingCN107947102AOverall safe and reliableThe lead-out hole is safe and reliableFibre mechanical structuresCable junctionsElectrical conductorDepth direction
The invention discloses a tail connection assembly with a built-in optical fiber cable, and a connection method. The assembly comprises a cable which comprises an outer sheath, a conductor, and an optical fiber which is disposed in the conductor; and a wiring terminal which comprises a cup joint part and a wiring part which is disposed at one end of the cup joint part. An end face, far from the wiring part, of the cup joint part is provided with a cup joint hole, and the cup joint hole is used for the fixed cup joint with an exposed end of the conductor. A bottom wall surface of the cup jointhole is provided with a leading-out hole which is disposed in the depth direction of the cup joint hole, and the leading-out hole is used for the leading-out of the optical fiber. According to the invention, the wiring terminal is in fixed cup joint with the cable conductor, and the optical fiber is led out of the leading-out hole which extends in the depth direction of the cup joint hole, and isnot liable to be compressed, so the leading-out is safe and reliable.
Owner:SHENZHEN WOER HEAT SHRINKABLE MATERIAL +1
Film conveying mechanism and extrude-emptying mechanism of automatic vertical type filling and packaging machine
PendingCN108502256AReduce radial stressReduce distortionWrapping material feeding apparatusPackaging machinesReciprocating motionEngineering
The invention relates to a film conveying mechanism and an extrude-emptying mechanism of an automatic vertical type filling and packaging machine. The two ends of conveying wheel axles of the film conveying mechanism are connected with static bearing pedestals and movable bearing pedestals, the static bearing pedestals are fixedly installed on a support, the movable bearing pedestals are movably installed on the support, the support is fixedly connected with an intermediate plate, and a conveying and pushing mechanism is arranged between the static bearing pedestals and the movable bearing pedestals and can control the movable bearing pedestals to be close to or far away from the static bearing pedestals. Extrude-emptying rolls of the extrude-emptying mechanism are installed in the middlesof extrude-emptying roll shafts, the two ends of the extrude-emptying roll shafts are connected with extrude-emptying brackets, the upper ends of the extrude-emptying brackets are fixed to rotating shafts, the two ends of the rotating shafts are connected with fixing brackets on the two sides, the fixing brackets are fixedly connected with the intermediate plate, the back-side extrude-emptying bracket is provided with an extrude-emptying pushing mechanism which can push the back-side extrude-emptying bracket to do reciprocating motion around the corresponding rotating shaft, and the extrude-emptying rolls are close to each other and far away from each other through fan-shaped gears which are arranged on the rotating shafts and mesh with each other.
Owner:BEIJING AEROSPACE ORIENTAL TECH DEVCO
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