Patents
Literature
66results about How to "Avoid direct friction" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Stepless adjustable reactive compensation power capacitor and working method thereof
PendingCN119274980Achange areachange capacitanceMechanically variable capacitor detailsCapacitor with electrode area variationPower compensationControl engineering
The invention provides a stepless adjustable reactive compensation power capacitor and a working method thereof. A stepless adjustable reactive compensation power capacitor comprises a first capacitor plate, a second capacitor plate, a power mechanism and a capacitor shell, the power mechanism is used for driving the first capacitor plate to insert and separate relative to the second capacitor plate, the first capacitor plate is slidably mounted in the capacitor shell, and the second capacitor plate is slidably mounted in the capacitor shell. The second capacitor plate is installed in the capacitor shell, and the power mechanism is connected with the first capacitor plate.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID NINGXIA ELECTRIC POWER COMPANY +4
Casing centralizer
ActiveCN222558482Uconducive to decentralizationextend your lifeDrilling rodsDrilling casingsWell cementingStructural engineering
The utility model relates to the technical field of oil extraction and well cementation, in particular to a casing centralizer which comprises a double-bow spring piece and a clamping device, and the clamping device comprises a pressing ring and a cover plate. The pressing rings are semicircular rings, lug plates are arranged on the two sides of each pressing ring, threaded holes are formed in the lug plates, and locking bolts penetrate through the threaded holes to connect the two pressing rings. The pressing ring is connected with the cover plate, mounting grooves are formed in the inner sides of the pressing ring and the cover plate, and spring clamping blocks are mounted in the mounting grooves; a circular groove is formed in the arched part of the double-bow spring piece, and a roller is arranged in the circular groove. According to the utility model, the rollers are arranged on the double-bow spring piece, so that direct friction with the well wall is avoided, and the service life of the device is prolonged; and sliding friction between the original casing centralizer and the well wall is changed into rolling friction, so that the casing can be put down conveniently. The semi-circular ring pressing rings are arranged at the two ends of the novel casing centralizer, the novel casing centralizer is clamped on a casing through the locking bolts and the spring clamping blocks, and due to the compressibility of the spring clamping blocks, the novel casing centralizer can be applied to casings of different specifications and sizes.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
Tool integrated cabinet for rail transit vehicle
A tool integrated cabinet for rail transit vehicles includes a shell, a pullable support frame, a damping universal roller and a folding seat storage cabin. The support frame is linearly guided through the sliding cooperation of a T-shaped guide rail and a clamping block. The stability of the support frame in a vehicle vibration environment is improved by the antiskid rubber material and damping design of the roller. The inside of the support frame adopts a modular partition structure. A fire extinguisher is fixed through the placement grooves of first and second support plates. The bottom plate cooperates with a guide groove to realize the quick taking and placing of an escape ladder. A groove is internally provided with a slide rail type folding seat storage cabin. The folding seat storage cabin is linked with a storage guide plate through a handle passage to realize the vertical partition management of emergency equipment and auxiliary tools. In addition, the conical self-locking structure and spring elastic pre-tightening mechanism of the plug rod and plug plate can effectively prevent the accidental sliding of the support frame. The combination innovation of the T-shaped guide rail, damping roller and folding cabin integration significantly enhances the safety and convenience of rail transit emergency equipment management.
Owner:NANNING UNIV
Pay-off mechanism for pipeline endoscope
ActiveCN222498157UStoring evenlyExtended service lifeFilament handlingReciprocating motionClassical mechanics
The utility model discloses a pay-off mechanism for a pipeline endoscope, and relates to the technical field of pipeline endoscopes. The device comprises a sliding block and a supporting plate, a first fixing plate is fixedly installed on one side face of the supporting plate, a reciprocating lead screw is rotatably installed on one side face of the first fixing plate, a threaded hole is formed in one side face of the sliding block, the reciprocating lead screw is in threaded fit with the threaded hole, a fixing ring is fixedly installed on the lower surface of the sliding block, and rolling balls are evenly installed in the fixing ring. By arranging the reciprocating screw rod, the fixing ring and the rolling ball, the reciprocating screw rod can control the sliding block to reciprocate through rotation, the cable can be controlled to be evenly stored on the pay-off wheel, the rolling ball can prevent the cable from being directly rubbed with the fixing ring, the service life of the cable is prolonged, and practicability is high.
Owner:CHONGQING SHENGSHIHUI PROJECT MANAGEMENT CO LTD
Fastener and connector
PendingCN119447903AExtended service lifeImprove convenienceCoupling device detailsBuckle FastenerMetal sheet
The invention relates to a fastener and a connector. The fastener comprises a handle and two baffles. The two baffles are respectively arranged at two opposite ends of the handle and are opposite to each other. Each baffle plate comprises a main body and a metal sheet. A pivoting part and a clamping and locking part are concavely arranged at the front end part of the main body, the main body is provided with a first opening and a second opening, the first opening is communicated with the inner side surface of the pivoting part, and the second opening is communicated with the inner side surface of the clamping and locking part. The metal sheet is arranged in the main body and provided with an anti-abrasion part, and the anti-abrasion part is exposed out of the second opening. When the buckling column of the connector assembly is buckled, the buckling column can be buckled into the clamping and locking part through the anti-abrasion part, so that the buckling column can be prevented from directly rubbing the main body, and the service life of the buckling piece can be effectively prolonged.
Owner:BIZLINK INT CORP
A bearing block and tracking support
The utility model discloses a bearing seat and tracking support relates to photovoltaic power generation technical field, and this support includes main beam, bearing seat, photovoltaic bearing and non -driven stand. Bearing seat is enclosed by the stamping cover plate and stamping bearing base of mutual adaptation, and the inside holds photovoltaic bearing, and the stamping bearing base is combined by two same stamping sub -units, and the bottom is connected with non -driven stand. Photovoltaic bearing is integral type spherical high molecule structure, and the sleeve joint is in main beam outside, and its spherical outer contour is adapted with bearing seat inner wall, can realize main beam angle adjustment, and the stamping sub -unit has H type and Y type two, is connected with non -driven stand wing plate or directly with waist board through corbel adapter, and the bearing seat axial both ends are equipped with flanging, and the base is equipped with the strip. The utility model discloses through stamping structure reduces the cost, shortens the period, and realizes flexible angle -adjusting with the help of spherical bearing, and the adaptability is strong, is applicable to large -scale photovoltaic power station.
Owner:JIANGSU EVERSHINE ENERGY TECHNOLOGY CO LTD
Wear-resistant automobile cable
ActiveCN222482979UImprove wear resistanceAvoid direct frictionCharging stationsInsulated cablesElectric cablesAutomotive engineering
The utility model relates to the technical field of cables, in particular to a wear-resistant automobile cable which comprises a charging cable, one end of the charging cable is fixedly connected with a plug, the other end of the charging cable is fixedly connected with a charging gun, the outer surface of the charging cable is evenly sleeved with a plurality of rubber sleeves in a sliding mode, and the rubber sleeves are fixedly connected with the charging gun. A plurality of balls are evenly embedded in the rubber sleeve and made of metal, a plurality of rectangular holes are evenly formed in the arc face of the rubber sleeve, a plurality of longitudinal strips are evenly and fixedly connected to the inner side of the rubber sleeve, the cross section of each longitudinal strip is in an isosceles triangle shape, and a plurality of elastic pieces are fixedly connected to the two ends of the rubber sleeve. According to the utility model, through the arrangement of the structure, the direct contact between the charging cable and the ground in the process of dragging the charging cable on the ground is avoided, the wear-resistant effect in the automobile charging process and the charging cable moving process is facilitated, and the service life of the automobile charging cable is prolonged to a certain extent.
Owner:SHENZHEN MINGMOU TECH ELECTRONICS CO LTD
Method for using a wind-resistant cable passing rod of a photovoltaic flexible support
PendingCN122600854AEliminate eccentric momentsEffectively pass through
The application provides a use method of a photovoltaic flexible support wind-resistant cable passing rod, and belongs to the technical field of photovoltaic supports. The photovoltaic flexible support wind-resistant cable passing rod comprises the following steps: S10: the wind-resistant cable is laid and tensioned through the passing rod at the lower part of a stabilizing cable and the upper part of a bearing cable, so that the bearing cable enters the cable passing channel from the side end opening of the passing rod; S20: the rack push-pull rod is pushed up, the two side gears are driven to rotate, the two side tooth rings are simultaneously driven to rotate to the closed state with the notch facing inward, and the bearing cable is passed along the cable passing channel; S30: the rack push-pull rod is pulled down, the two side gears are driven to rotate, the two side tooth rings are driven to rotate to the open state with the notch facing outward, and the bearing cable is released; the passing rod comprises a passing rod base, a linkage component and a line body; the cable passing channel is formed between the passing rod base and the line body; and the application can solve the problems of traditional thread winding and cable passing, such as time-consuming and labor-intensive, and low installation and construction efficiency.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD +1
A rope protector for aerial work
The utility model relates to the field of building construction technology discloses a kind of rope protectors for aerial work, including mounting seat, the mounting seat includes installation vertical board, the one side of installation vertical board is vertically fixed with installation horizontal plate, the other side is fixed with two parallelly arranged fixed plates, two fixed plates between installation have two parallelly arranged first rope protection gyro wheel and second rope protection gyro wheel, first rope protection gyro wheel and second rope protection gyro wheel between form the accommodation space for rope to pass through, the top of installation vertical board is fixed with mounting bracket, sliding wheel is rotatably installed on the mounting bracket.The utility model provides a kind of rope protectors for aerial work, which is safe and reliable, convenient to adjust, easy to maintain and has a buffering protection function, effectively improves the safety and efficiency of aerial work, the rope is limited and supported by the first rope protection gyro wheel and the second rope protection gyro wheel, direct friction between the rope and the fixed component is avoided, the wear of the rope is reduced, and the service life of the rope is prolonged.
Owner:SHANXI FIRST CONSTR GROUP
Bag-type dust collector for vibrating screen
PendingCN121944660AExtended service lifeReduce maintenance costsDispersed particle filtrationBaghouseClassical mechanics
A bag-type dust collector for a vibrating screen comprises a dust collector barrel, an exhaust fan, a dust collecting bin, a filter element and a vibrating motor. The filter element comprises a supporting framework constructed to be a cylinder, a filter bag sleeving the outer side of the supporting framework and an elastic lining arranged between the supporting framework and the filter bag, the elastic lining comprises a first sleeve, a second sleeve and a floating ring, the upper end of the filter bag is an open end, the first sleeve is fixed to the upper end of the supporting framework, and the second sleeve is fixed to the upper end of the floating ring. The second sleeve and the floating ring are arranged on the outer wall of the supporting framework in a sliding mode, and the first sleeve, the second sleeve and the floating ring are connected through elastic strips. When the vibration motor drives the partition plate and the filter element to vibrate, the second sleeve and the floating ring elastically slide asynchronously in a reciprocating mode in the axial direction of the framework under the action of inertia force and the elastic strips, so that the filter bag vibrates complexly and violently, the dust removal efficiency can be improved, hardening is prevented, the filter bag is separated from the rigid framework through the elastic lining layer, and the dust removal efficiency is improved. Stress concentration and abrasion risks are avoided, so that the service life of the filter bag is prolonged, and the maintenance cost is reduced.
Owner:JIANGSU BAOHUA ENVIRONMENTAL PROTECTION TECH CO LTD
Cable protection device for mobile equipment cable well
ActiveCN222547160Ureduce frictionAvoid direct frictionCable installations in cable chambersStructural engineeringControl theory
Owner:ZHONGTIAN IRON & STEEL GRP (NANTONG) CO LTD
A fuse box assembly
ActiveCN224288221UAvoid direct frictionImprove scratch resistanceEmergency protective devicesWear resistanceMagnet
This utility model relates to the field of safe box technology, specifically a safe box assembly, including a body, a wear-resistant block, and a docking mechanism. The wear-resistant block is connected to the bottom of the body through the docking mechanism. Several docking mechanisms are provided, each including a circular groove, a circular hole, a first arc-shaped plate, a second arc-shaped plate, a cylinder, and a magnet. The circular groove is located at the bottom of the body, and the circular hole is located on the wear-resistant block, penetrating through it. The first and second arc-shaped plates are both located on the top of the wear-resistant block, and both have protrusions on their outer sides. The inner wall of the circular groove has a groove, and the protrusions match the grooves. One end of the cylinder passes through the circular hole and extends into the gap between the first and second arc-shaped plates. This utility model, a safe box assembly, solves the problem of poor wear resistance in current equipment.
Owner:DONGGUAN HAIYI HARDWARE PLASTIC CO LTD
Large pull arm box
ActiveCN222475044UExtended service lifeReduce difficulty of transferLarge containersStructural engineeringControl theory
The utility model provides a large pull arm box which comprises a box body with an opening in the top, and a hook arm is arranged on the front portion of the box body. A feeding door is arranged on the left side or the right side of the box body, and a discharging door is arranged on the rear side of the box body. The lower end of the feeding door is hinged to the box body, and an automatic telescopic mechanism for driving the feeding door to turn over up and down is hinged to the box body; the upper end of the discharging door is hinged to the box body, and the lower portion of the discharging door is connected with the box body through a locking mechanism. A mounting cavity is formed in the front part of the box body, and a control device and a power supply device are arranged in the mounting cavity; the power supply device comprises a storage battery; by means of the additionally-arranged feeding door, the height of the feeding port of the box body is reduced so that the box body can be smoothly in butt joint with a hoisting bucket on a hoisting bucket transport vehicle, and therefore waste steel in the hoisting bucket can be rapidly transferred.
Owner:SHANGHAI BAOSTEEL METALLURGICAL CONSTRUCTION CORP
A dual lumen thrombus aspiration catheter assembly
This invention provides a dual-lumen thrombus aspiration catheter assembly, belonging to the field of interventional medical device technology. The assembly includes an aspiration tube body with an aspiration cavity and a guide cavity arranged parallel along the axial direction. The proximal end of the aspiration cavity is used to connect to a negative pressure aspiration device, and the distal end has an aspiration port. A distal protection unit is slidably inserted within the guide cavity. The distal protection unit has a guide portion and an interception portion located distal to the guide portion. The interception portion has a compressed state and an expanded state. During operation, the compressed distal protection unit is transported to the distal end of the target location along with the aspiration tube body. After the interception portion of the distal protection unit detaches from the guide cavity, it expands and supports itself at a set position to intercept any thrombi that fall during the operation. The aspiration cavity of the aspiration tube body can move along the guide portion to adjust the position of the aspiration port. This invention primarily addresses the technical problems in existing technologies where adjusting the position of the aspiration catheter requires repeated establishment of guidewire pathways, and the distal protection requires additional instruments, leading to long operation times and high risks.
Owner:WEIMING MEDICAL DEVICES SHANGHAI CORP LTD
An isolation device with an adjustable hinge
ActiveCN224634465USolve the scratchSolve the problem of rolling pressure
This utility model discloses an isolation device with an adjustable hinge, comprising: a three-sided sealing strip, an isolation plate, a connecting plate, and a hinge support frame. A hinge fixing member is provided on the lower end face of the isolation plate, and a hinge is provided on the hinge support frame. A first connecting hole is provided at the upper end of the hinge. A third hinge connector passes through the first connecting hole to fix the connecting plate to the isolation plate. The hinge fixing member has a first hinge connecting hole and a second hinge connecting hole. The first hinge connector and the second hinge connector pass through the first hinge connecting hole and the second hinge connecting hole respectively to fix the connecting plate to the isolation plate. The first hinge connecting hole and the second hinge connecting hole are oblong holes. The length of the first hinge connecting hole is greater than the diameter of the first hinge connector, and the length of the second hinge connecting hole is greater than the diameter of the second hinge connector. This application solves the problem of the sealing strip being scratched when the partition is opened due to hinge rotation by providing oblong holes in the first and second hinge connecting holes.
Owner:秋山辉男
Anti-tearing cable
ActiveCN222337959UAvoid direct frictionExtended service lifeClimate change adaptationInsulated cablesClassical mechanicsStructural engineering
Owner:QINGDAO TONGHE HANYUAN CABLE CO LTD
Double-nut type high-temperature exhaust pipeline sliding support and locking method
ActiveCN117212556BEasily implement sliding functionsImplement sliding function
The application provides a double-nut type high-temperature exhaust pipeline sliding support and locking method, and belongs to the technical field of sliding supports. The sliding support comprises a sliding support assembly, a sliding groove, a fixing assembly, a limiting assembly and an elastic assembly. The sliding groove is arranged on the sliding support assembly. The fixing assembly is detachably arranged on the sliding groove. The fixing assembly comprises a bolt, a steel gasket, a first nut and a second nut. The steel gasket, the first nut and the second nut are movably arranged on the bolt in sequence along the axial direction of the bolt. When the pipeline is slightly shaken due to the self weight and ship vibration, the sliding support remains in a stationary state. When the pipeline is axially elongated due to heat, the sliding support can easily realize the sliding function. The double-nut self-locking function can prevent the nut from loosening and falling off. The stress borne by each part is far less than the allowable stress, so that the long-term use of the sliding support assembly can be ensured.
Owner:CHENGXI SHIPYARD
High-speed aircraft based on micro-scale tangential gas film and drag reduction and heat reduction design method thereof
The invention discloses a high-speed aircraft based on a micro-scale tangential gas film and a resistance and heat reduction design method of the high-speed aircraft. The high-speed aircraft based on the micro-scale tangential gas film comprises a first gas film generator, the first gas film generator is laid at a first thermal protection position on the surface of the high-speed aircraft, a first spraying seam with a first height is formed in the surface of the first gas film generator and the surface of the high-speed aircraft, and a second spraying seam with a second height is formed in the surface of the high-speed aircraft; the first gas film generator injects a gaseous or liquid coolant into the first spray seam to form a gaseous film, and the effective cooling length of the gaseous film is a first length.
Owner:NAT UNIV OF DEFENSE TECH
A method and apparatus for motion control based on visual guidance
ActiveCN115670361BImprove efficiencyimprove securityTracheal tubesBronchoscopesTracheal cannulationRadiology
The application discloses a motion control method and device based on visual guidance, and comprises the following steps: acquiring image information of a human body cavity; pre-processing the image; obtaining a cavity center of the human body cavity according to the pre-processed image information; obtaining a motion control strategy of a bronchoscope according to the cavity center; and adjusting the position and posture of the bronchoscope by a trachea cannula robot according to the motion control strategy, so that the bronchoscope moves towards the cavity center. The technical scheme of the application improves the efficiency and safety of a trachea cannula operation.
Owner:FUJIAN QIANYUE MEDICAL TECH CO LTD
Tower crane electrical emergency circuit fixing device
ActiveCN121757731AGood flexibilityprevent looseningElectrical apparatusLoad-engaging elementsTower craneElectrical and Electronics engineering
The invention relates to a tower crane electrical emergency circuit fixing device, and belongs to the technical field of tower crane operation auxiliary facilities. Comprising a tower crane handrail body, an L-shaped mounting plate is arranged on one side of the tower crane handrail body, a vertical mounting plate is arranged on the other side of the tower crane handrail body, a plurality of limiting rods are arranged at the bottom end of the tower crane handrail body, the limiting rods are fixedly connected with the L-shaped mounting plate, and the limiting rods are connected with the vertical mounting plate in a clamped mode; a plurality of second dovetail grooves are formed in the bottom end of one side of the L-shaped mounting plate in a penetrating mode, second dovetail blocks are connected to the interiors of the second dovetail grooves in a clamped mode, and a mounting base is fixedly connected to the other ends of the second dovetail blocks. And a plurality of fixing assemblies are arranged at the other end of the L-shaped mounting plate. The combined design of the claw-type clamping blocks and the flexible iron sheets is adopted, the opening and closing amplitude can be adjusted according to the diameter of the cable, and emergency cables of various diameters can be adapted conveniently.
Owner:SICHUAN HONGSHENG HEAVY IND MASCH CO LTD
Meniscus implant
PendingCN119632735AExtended service lifeavoid damageJoint implantsKnee jointsBiomedical engineeringImplant
The invention provides a meniscus implant, and relates to the technical field of medical instruments, and the meniscus implant comprises an implant; the implant comprises an implant body and an implant periphery; a plurality of connecting holes; the connecting hole penetrates through the periphery of the implant and is used for guiding a suture line to penetrate through; and a reinforcing ring; the reinforcing ring is mounted in the connecting hole; the suture line penetrates through the connecting hole, so that the implant is fixedly connected with the edge of the native meniscus. According to the meniscus implant provided by the invention, the connecting hole is formed in the implant and the reinforcing ring is embedded in the hole, so that not only is a stable anchoring point provided for the implant, but also the suture line can be tightly attached to the reinforcing ring when penetrating through the implant, and direct friction with the surface of the implant is avoided, so that the incisura is reduced, and the service life of the implant is prolonged. And the service life of the implant is effectively prolonged.
Owner:THE FIRST PEOPLES HOSPITAL OF CHANGZHOU +1
High-pressure water pipe protection device of trenchless cleaning equipment
ActiveCN222390614Uimprove protectionreduce the possibility of damageSewer cleaningMobile vehicleHigh pressure water
The utility model discloses a high-pressure water pipe protection device of trenchless cleaning equipment, and relates to the technical field of sewage pipeline cleaning. The cleaning and digging device comprises a cleaning and digging water head placed in a sewage pipeline, a high-pressure water pipe connected to one end of the cleaning and digging water head, a moving trolley placed on the ground and a water supply mechanism installed on a base of the moving trolley and used for supplying water to the high-pressure water pipe. One part of the PVC corrugated protective sleeve is located at the joint of the sewage pipeline and the inspection well; a nylon rope is connected to the PVC corrugated protective sleeve in a bolted mode, and the end, away from the PVC corrugated protective sleeve, of the nylon rope is connected to a bumper of the mobile vehicle in a bolted mode. The high-pressure water pipe can be conveniently protected, and therefore the possibility that the high-pressure water pipe is damaged can be reduced.
Owner:CCCC FOURTH HIGHWAY ENG CO LTD +1
Steel machining and transferring device with stable performance
ActiveCN222496320URealize the clamping effectachieve releaseWagons/vansCargo supporting/securing componentsElectric machineryThreaded rod
The utility model discloses a steel processing transfer device with stable performance, which comprises a transport vehicle platform and wheels arranged at four corners of the bottom of the transport vehicle platform, two moving grooves are transversely arranged on the transport vehicle platform, clamping plates are respectively arranged on the left side and the right side of each moving groove, and bottom plates are arranged at the bottoms of the clamping plates. A plurality of reinforcing ribs are arranged between the clamping plate and the bottom plate, fixed rods are arranged between the reinforcing ribs, pulleys are arranged on the fixed rods on the two sides of the clamping plate respectively, a threaded sleeve is arranged at one end of each fixed rod, a threaded rod is arranged in the middle of each threaded sleeve, a motor is arranged at one end of each threaded rod, and the motor is powered by a control box. And side sliding grooves are formed in the inner walls of the two sides of the interior of the moving groove correspondingly, a sliding platform is arranged in the moving groove, and the device is beneficial for improving the working efficiency of steel transportation, guaranteeing the safety of workers and meanwhile reducing the risk in the transportation process.
Owner:广州市诚鑫金属材料有限公司
Ship wharf floating ball fixing device and using method thereof
PendingCN119531308Astable floatingavoid damageBreakwatersQuaysResource utilizationStructural engineering
According to the ship wharf floating ball fixing device and the using method thereof, an inverted-U-shaped fixing clamping groove structure capable of being conveniently clamped into a wharf platform is adopted, the damage to a wharf and the corrosion risk of an embedded part are reduced, and safety and reliability are enhanced; the device further comprises a fixing lug plate, a safety lug plate and a cable protection assembly, friction between the cable and a wharf platform can be effectively avoided through a protection clamping plate and a protection round pipe, the service life of the cable is prolonged, meanwhile, the guiding flexibility and efficiency of the cable are improved through introduction of the guiding assembly, the cable is easy to detach, damaged parts are allowed to be rapidly replaced, and the cost is reduced. The cost is saved, the resource utilization rate is increased, and long-term stable installation of the floating ball is ensured, so that the safety of berthing the ship is ensured. The method has high adaptability, and after the size, the number and the position of the floating balls are determined, the length of the double anchor chains between the installation fixing clamping grooves and the floating balls is adjusted, the floating balls are additionally arranged or replaced according to needs, and rapid adjustment can be achieved so as to meet the berthing requirements of different ships.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP
Pipe well pipe hoisting construction method and auxiliary device
PendingCN122684943ASolve lifting problemsLifting is effective
The application discloses a pipe well pipe hoisting construction method and an auxiliary device, and belongs to the technical field of building construction. The method comprises the following steps: installing a load-bearing support on a pipe well side shear wall and assembling a load-bearing steel beam which is laterally cantilevered above a pipe well opening, and suspending a fixed pulley above the pipe well opening; fixing a hand-operated hoist and a guide fixed pulley on an elevator antechamber floor, so that an inclined transition path is formed between the hand-operated hoist, the guide fixed pulley and the fixed pulley; threading a steel wire rope to form a broken line type lifting path which comprises a horizontal traction section, an inclined transition section and a vertical lifting section; and winding and unwinding the steel wire rope by the hand-operated hoist, so that a movable pulley is lowered to the pipe well bottom to hang and connect a pipe and is lifted to an installation position. The application adopts an externally-hung hanging state, does not need any device to enter the inside of the pipe, and avoids damaging the inner wall of the pipe; floor operation is realized by the broken line type lifting path, and climbing to the top floor is not needed; and the combination anchoring node and the anti-pulling fixed node are used to ensure the stability of the lifting path.
Owner:SHANGHAI BAOYE GRP CORP +1
A hula hoop
ActiveCN224735655UFlexible adjustment of circle sizeFlexible adjustment of tightness
The utility model relates to a hula hoop with adjustable size and massage function, more particularly to a hula hoop, which comprises: an arc-shaped hoop body; a plurality of limiting components, the limiting components are arranged outside the arc-shaped hoop body, and the plurality of limiting components are arranged in a circle along the circumference of the arc-shaped hoop body; a surrounding rope, the surrounding rope is located inside the arc-shaped hoop body and surrounds the outer circumferential side of the plurality of limiting components; a counterweight is arranged outside the arc-shaped hoop body and connected to both ends of the surrounding rope; the arc-shaped hoop body is provided with an opening, and the opening of the arc-shaped hoop body is provided with an adjusting strip, which can adjust the width of the opening of the arc-shaped hoop body. The utility model provides a hula hoop with adjustable size, and the hula hoop can also massage the waist during use.
Owner:JINHUA FEIQIAO STATIONERY & SPORTS PRODUCTS CO LTD
A lead screw slide rail type generator set protection device
A screw-rail type generator set protective device, relating to the field of vehicle-mounted generator technology, includes a fixed base, a base frame, a screw-nut mechanism, and a protective housing. The fixed base consists of channel steel and connecting beams. Rollers on both sides of the base frame are rolled into the channel steel grooves. The base frame contains a generator set mounting position. The screw-nut mechanism is installed between the base frame and the fixed base to drive the base frame to extend or retract. The protective housing is mounted on the base frame, with an open bottom, inspection doors and air inlet louvers on both sides, an exhaust louver at one end, an electrical maintenance door at the other end, and a filling port at the top. The base frame contains a vibration damper, and a rubber insulating pad separates the protective housing from the base frame. This invention provides robust support with the fixed base, the roller design allows for smooth extension or retraction of the base frame, the screw-nut mechanism facilitates maintenance and locks the base frame, and the protective housing protects the generator set and dissipates heat. It exhibits good stability and safety, effectively ensuring the stable operation of the generator set.
Owner:ZHENGZHOU HONGYU SPECIAL VEHICLE CO LTD
Vest type bra with built-in lifting structure
ActiveCN222532741UAvoid direct frictionavoid stimulationBrassieresStructural engineeringMechanical engineering
The utility model discloses a vest type bra with a built-in lifting structure, which comprises a bra body, the bra body comprises a front part and a rear part, and the front part comprises a shell fabric layer and a lining layer; an interlayer is formed between the shell fabric layer and the lining layer; the interlayer wraps the inner lifting structure and the two cups; the inner lifting structure is a semi-enclosed structure which is bilaterally symmetrical and partially covers each cup; one surface of the inner lifting structure is locally connected with the shell fabric layer in an attached manner, and the other surface of the inner lifting structure is completely connected with the connecting surface of the lining layer in an attached manner; the inner lifting structure is arranged inside the bra body, so that direct friction and stimulation to the skin can be avoided; the shell fabric layer, the inner lifting structure and the lining layer are sequentially connected in an attached mode, the middle of the interlayer is divided into two independent cavities distributed left and right through press fit, and the cavities are used for containing cups; and the built-in inner lifting structure is tightly connected with the shell fabric layer and the lining layer, so that more stable supporting and fixing effects can be provided.
Owner:GUANGZHOU XINGYI NETWORK TECHNOLOGY CO LTD
Compressor cylinder and rotor compressor
ActiveCN222558766UAvoid direct frictionImprove reliabilityRotary/oscillating piston pump componentsLiquid fuel engine componentsReciprocating motionCylinder block
The utility model provides a compressor air cylinder and a rotor type compressor. The compressor air cylinder comprises a cylinder body with a compression space, a thickening part arranged on the periphery of one side of the cylinder body and blades. The cylinder body is provided with a blade groove extending to the thickening part; the blades are inserted into the blade grooves in a sliding manner and protrude towards the inner circumferential surface of the cylinder body to be divided into a plurality of compression chambers by a compression space; the blades are provided with groove structures. The groove structures are arranged on the blades, refrigerants can enter blade grooves and form liquid film lubrication along with reciprocating motion of the blades, so that direct friction between solid materials is avoided to a certain extent, meanwhile, the heat dissipation area is increased by the groove structures, heat between friction pairs is dissipated in time, the problem of abrasion is solved, and the service life of the blade is prolonged. And the reliability of the pump body assembly and the reliability and performance of the whole machine are improved.
Owner:SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
A harness conduit guiding device
The utility model discloses a kind of wire harness lead-through conduit's guiding device, belong to aviation wire harness assembly technical field.The device includes tow ball, guide line, wire harness end protector and full thread stop pin;Guide line one end connects tow ball, the other end connects wire harness end protector;Wire harness end protector is equipped with the mounting hole for inserting wire harness, and wire harness is fixed by full thread stop pin.The utility model passes through the gravity of tow ball and guides wire harness to pass through curved conduit, wire harness end protector prevents wire harness connector to scratch conduit inner wall, effectively solve the problem that aircraft finished product wire harness is easy to jam when leading through conduit, scratch inner wall, improve threading efficiency, reduce short-circuit risk.The device can be adapted to different specifications of conduit, with simple structure, convenient operation, strong practicality and the like characteristics.
Owner:中航贵州飞机有限责任公司