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38results about How to "Force science" patented technology
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Movable supporting framework plate supporting structure for roadway
ActiveCN108678792AReduce the acceleration of gravityReduce impactMining devicesMine roof supportsElastic compressionEngineering
The invention discloses a movable supporting framework plate supporting structure for a roadway. According to the movable supporting framework plate supporting structure, one ends of upper baffles arehinged to top rotating shafts, the other ends of the upper baffles are fixedly connected to or hinged to side rotating shafts, the upper ends of side baffles are fixedly connected to or hinged to theside rotating shafts, the top rotating shafts are arranged in the extending direction of the roadway, the upper baffles hinged to the two sides of the top rotating shafts are inverted-U-shaped or inverted-V-shaped, the two sides of an elastic sheet are fixedly connected to the lower surfaces of the upper baffles on the two sides separately, limiting elastic sheets are C-shaped and are arranged onthe lower surfaces of the upper baffles and the inner side surfaces of the side baffles, one sides of the limiting elastic sheets are fixedly connected to the upper baffles or the side baffles, the two ends of the side rotating shafts are hinged to the compression ends of elastic compression rods on the two sides separately, the fixed ends of the elastic compression rods are hinged to supportingcolumns, the two ends of torsion supporting mechanisms are connected to the fixed ends of the elastic compression rods and the supporting columns, the other ends of the supporting columns are arrangedon a roadway base plate, and one ends of supporting column supporting mechanisms are fixedly connected to or hinged to the supporting columns and enable the supporting columns to be supported on theroadway base plate or to be fixedly connected to the roadway walls. According to the movable supporting framework plate supporting structure, roof fall and rib spalling of the mine roadway or a temporary traffic tunnel can be effectively protected.
Owner:邓立杰
Mortise and tenon building structure system
InactiveCN107476554AThe splicing process is simpleImprove construction efficiencyScaffold connectionsBridge erection/assemblyFalseworkMortise and tenon
The invention discloses a mortise and tenon building structure system comprising two or more transverse supporting units and two or more longitudinal supporting units. The transverse supporting units and the longitudinal supporting units are mutually connected in a mortise and tenon mode. Each transverse supporting unit comprises a transverse rod and two transverse connectors fixed to the two ends of the transverse rod. Each longitudinal supporting unit comprises a vertical rod, a connecting sleeve fixed to the bottom end of the vertical rod and more than two columnar longitudinal connectors connected to the vertical rod in a sleeving mode. By means of the mortise and tenon connection mode, the flexibility and construction efficiency of construction of the whole structure system are improved, the structure stability is good, the strength is high, force is scientific and reasonable, and the mortise and tenon building structure system can be used for an internal supporting structure of a house or a temporary building, can further replace a scaffold to be used as an external support, and can be directly used for constructing a bridge.
Owner:杨秀峰
Assembled inclined-pile foundation for offshore wind turbine
The invention discloses an assembled inclined-pile foundation for an offshore wind turbine. The assembled inclined-pile foundation comprises a wind turbine tower, steel pile foundation bodies and a switching steel structure connected between the steel pile foundation bodies and the wind turbine tower. The steel pile foundation bodies are installed towards the wind turbine tower in an inclined mode. The wind turbine tower and the steel pile foundation bodies are connected with the switching steel structure through flanges. The switching steel structure is of a branch-shaped structure comprising a center cylinder and a plurality of welded branches on the periphery of the center cylinder. The bottom ends of the branches are coaxially connected with the top ends of the steel pile foundation bodies through the corresponding flanges respectively. The top end of the center cylinder is coaxially connected with the bottom end of the wind turbine tower through the corresponding flange. The assembled inclined-pile foundation is high in bearing capacity and reliability, good in fatigue resistance, free of site welding and grouting and low in requirement for engineering equipment and construction technologies.
Owner:ZHEJIANG UNIV +1
Tent house
The invention discloses a tent house, which consists of a plurality of cross section parts consisting of upright post parts and roof framework parts, and a flexible roof material and wall part which covers and is fixed on a framework, wherein each roof framework part of each cross section part is in an arc shape on the cross section of the tent house, and two ends of the roof framework part are connected with upper ends of the upright post parts; the arc roof framework parts are symmetrical about the centers of the cross section parts; simultaneously, each arc roof framework part at least consists of two same arc frameworks through connection; the arc frameworks can be made of tubular sections and are connected and fixed in an insertion mode; and straight roof framework parts can also be connected between the arc roof framework parts and the upright post parts to serve as roof frameworks on the outer edges of the tent house. The tent house with the structure is easy to tension and arrange due to the flexible roof material, and simultaneously can be applied to larger span, height and space to resist larger external wind force.
Owner:劳斯伯格建筑科技(上海)有限公司
Rocking sieve
The invention discloses a rocking sieve. The rocking sieve is technically characterized by comprising a positioning spring and an ejection bolt body, wherein a metal tension spring is arranged in the positioning spring in a sleeved manner; two ends of the metal tension spring are fixed on embedded bolts; the end part of the ejection bolt body is a semisphere; and the shape of a concave pad which is matched with the ejection bolt body is a concave sphere of which the diameter is identical to that of the semisphere. The rocking sieve has the beneficial effects that the tension linearity and fatigue resistance of the metal spring are higher than those of a rubber spring, so that the service life of the composite spring of the rocking sieve is prolonged through improvement; and besides, the ejection structure is reasonable, and stress is more scientific, so that the service life is long.
Owner:XINXIANG DONGZHEN MACHINERY
Integrated ceiling and partition system
The invention provides an integrated ceiling and partition system. The integrated ceiling and partition system comprises a ceiling system body and a partition system body which are connected integrally; the ceiling system body comprises a bracket assembly, a wide keel and a ceiling; the partition system body comprises vertical columns, connecting elements, a bottom beam and partition panels; the height of the side wall of the ceiling is higher than that of the wide keel, the vertical columns are arranged between the wide keel and the bottom beam, and the two ends of the tops and bottoms of thevertical columns are fixedly connected with the wide keel and the bottom beam through the connecting elements; the partition panels are laid on the front and rear sides between the two adjacent vertical columns, and mounting wing plates fit the surfaces of the front and rear sides of column bodies of the vertical columns. The integrated ceiling and partition system combines the ceiling system body with the partition system body integrally, and can flexibly change a laying scheme of partitions.
Owner:GUANGZHOU COMPTON ZHIGAO BUILDING MATERIALS
Construction method of shaft type underground stereo garage
PendingCN112681376AForce scienceFast constructionArtificial islandsProtective foundationArchitectural engineeringRebar
The invention relates to a construction method of a shaft type underground stereo garage. The construction method comprises the following steps that a vertical supporting structure is constructed along the outer edge of an outer wall structure of the underground stereo garage, a formwork is erected in a site, steel bars are bound, and a top plate structure is manufactured; the outer edge of the top plate structure is connected with connecting steel bars exposed out of the top of the vertical supporting structure, and top plate structure concrete is poured integrally; earthwork in the vertical supporting structure is excavated below the top plate structure; a horizontal supporting structure is constructed; a bottom plate structure and the outer wall structure are constructed; an annular supporting structure is constructed; and a parking system is mounted and debugged in a constructed structural space. According to the construction method, the characteristics of the structure of the garage are fully utilized, stress is scientific, the construction speed is high, the influence on the environment is small, and the construction cost is reduced.
Owner:北京中岩智泊科技有限公司
Mine anti-explosion diesel engine railless free-wheeled vehicle front axle suspension system
InactiveCN101758758AAvoid head-onForce scienceInterconnection systemsLocomotivesVehicle frameHinge angle
The invention relates to a mine anti-explosion diesel engine railless free-wheeled vehicle front axle suspension system. The front axle is arranged on a left push rod and a right push rod one end of which are hinged with frame, the left push rod and the right push rod are respectively provided with a left spring support and a right spring support, the left spring support and the right spring support are respectively provided with a front pressure spring and a front damping rubber, and meanwhile the front axle is also connected with the frame by two front axle steel wire ropes and two damping devices which are connected thereon; wherein the hinged position of the frame and the front axle is provided with a front axle tierod, and a rubber hinge is adopted at the hinged position between the two ends of the front axle as well as the frame and the front axle. The hinged position of the left push rod and right push rod as well as the frame adopts a rubber hinge. The hinged position of the left push rod and right push rod as well as the front axle adopts a polyurethane elastic hinge. The invention avoids collision between parts, stress is more scientific, damping effect is better; the stress of the damping spring is more reasonable, and the service life of front axle splint, connecting bolt and spring is improved.
Owner:昆山晋桦豹胶轮车制造股份有限公司
Pile plate retaining wall structure suitable for filling side slope and construction method
PendingCN114592537AHigh structural reliabilityForce scienceArtificial islandsClimate change adaptationRetaining wallPile
The invention belongs to the technical field of supporting and retaining structure design in geotechnical engineering, and particularly discloses a pile plate retaining wall structure suitable for a fill slope and a construction method thereof.The pile plate retaining wall structure comprises an underground anti-slide pile, an overground anti-slide pile, a connecting beam and a prefabricated soil retaining plate, the underground anti-slide pile is arranged below the ground line and is in a cylinder shape, and the overground anti-slide pile is arranged below the ground line; the ground anti-slide pile is arranged above a ground line and is integrally a column body, the soil retaining side is arc-shaped, the free side is rectangular, a connecting beam is arranged at the junction of the underground anti-slide pile and the ground line, the prefabricated soil retaining plate is arranged on the rectangular side of the ground anti-slide pile, rectangular limiting blocks are fixedly arranged on the two sides of the ground anti-slide pile, and the prefabricated soil retaining plate is arranged on the ground anti-slide pile. The connecting beams are arranged at the joints of the piles and the ground, reinforcement of broken pile pouring of the ground up-down anti-slide piles is achieved, and the structural reliability is enhanced.
Owner:POWER CHINA KUNMING ENG CORP LTD
Integral horizontal rotary dam
PendingCN110409380ASimple structureMeet width requirementsBarrages/weirsHydraulic cylinderLeaking water
The embodiment of the invention discloses an integral horizontal rotary dam and relates to the field of water conservancy projects. The integral horizontal rotary dam comprises a retaining dam body, aplurality of connecting rotary rods and a driving device. The retaining dam body is arranged above a dam base and stretches along the width direction of a riverway, the connecting rotary rods are arranged in a spaced manner along the width direction of the riverway, one ends of the connecting rotary rods are hinged to one side of the retaining dam body and the other ends of the connecting rotaryrods are separately hinged to a plurality of supports pre-buried on the dam base correspondingly one by one; and the driving device is connected to the retaining dam body. The integral horizontal rotary dam not only overcomes defects that a rubber dam is easy to damage and age, long in dam lifting and collapsing time, low in safety, poor in reliability, short in service life and the like, but alsosolves the problems that a hydraulic dam side stops and leaks water, a hydraulic cylinder and an oil pipe are failed easily in the riverway and are hard to overhaul and the like, and also overcomes the defects that a conventional steel dam gate is clumsy in bed shaft, unscientific in stress, poor in sand washover effect, high in cost and the like.
Owner:李正方
Special wire clamp for cable
InactiveCN103138209AIncrease contact pressureIncrease contact areaElectrical apparatusContact pressureEngineering
The invention discloses a special wire clamp for a cable. The special wire clamp for the cable comprises a base seat, a wire pressing device and a fastening device. The special wire clamp for the cable is characterized in that the base seat is in a C shape, the wire pressing device is a hinging block and is placed in the C-shaped base seat, two ends of the hinging block are matched with two ends of the C-shaped base seat to form a wire pressing groove, and the fastening device penetrates through the C-shaped base seat and the hinging block and enables the C-shaped base seat and the hinging block to be fastened. The special wire clamp for the cable can guarantee constant and large enough contact pressure and can enable the contact area to be the largest. A main hinging component and an auxiliary hinging component of the hinging block are hinged with each other, and therefore the integrity is good, the stress is scientific, and the contact performance is good. Bolts are used for fastening so that the special wire clamp for the cable is simple, convenient, economical, safe and firm.
Owner:XINXIANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
Movable suspended protection rib plate supporting structure for roadway
PendingCN108798737AReduce the acceleration of gravityReduce impactMining devicesMine roof supportsMechanical engineeringC shaped
Owner:邓立杰
Self-spinning steel dam with centre rotating shaft
ActiveCN113585187AShort working hoursImprove securityBarrages/weirsHydro energy generationControl systemHydraulic pump
The invention discloses a self-spinning steel dam with a centre rotating shaft, and relates to the field of water conservancy and hydropower; the self-spinning steel dam comprises a dam foundation; side walls are poured on the two sides of the dam foundation; a plurality of supporting piers are poured on the top of the dam foundation; the tops of the supporting piers are fixedly connected with pre-embedded steel plates through anchor bolts; foot support shaft sleeves are fixedly connected to the plurality of pre-embedded steel plates; the same rotating main shaft penetrates through the plurality of foot support shaft sleeves; the upper side of the rotating main shaft is fixedly connected with an upper panel; and the lower side of the rotating main shaft is fixedly connected with a lower panel. According to the invention, panel stress is more scientific; a rotating fulcrum of the hydraulic self-rotating dam is located in the middle; mutual offset of upper water pressure and lower water pressure is fully utilized; opening and closing force is greatly reduced; when the hydraulic self-rotating dam is full of water, panel stress is self-balanced; meanwhile, a main shaft can penetrate through a side wall to be provided with a hydraulic pump room; a hydraulic control system and a vertical dam releasing mechanical locking structure are installed in the pump room; and the retaining dam is convenient to maintain, is attractive in appearance and stable in structural design.
Owner:安徽亿汇机电设备有限公司
Material blocking device of reel
The invention discloses a material blocking device of a reel, and belongs to the technical field of steel machining equipment. The material blocking device comprises a rack, wherein the rack is provided with a conveying chain, a conveying chain driving device and guide rails along the reel conveying direction, the directions of the guide rails are consistent with the direction of the conveying chain, baffle trolleys are arranged on the guide rails, baffle plates are arranged on the baffle trolleys through screw rod driving devices, one end of each screw rod is fixedly connected with a main chain wheel, the main chain wheel is driven by the chain, the driving device drives the chain to rotate after materials are fed to the reel, the chain firstly drives the main chain wheel to rotate so as to drive the screw rods to rotate to drive the baffle plates, the main chain wheel cannot rotate any more after the baffle plates are driven in place, and the main chain wheel and the trolleys are used as a whole body under the driving of the rotation of the chain to drive the trolleys to move forwards together with the reel on the guide rails for realizing material blocking. According to the material blocking device disclosed by the invention, a set of independent driving systems is saved, and good benefit can be realized by being applied for material feeding and material blocking on the reel.
Owner:湖南复星合力新材料有限公司
Integral horizontal rotary dam
PendingCN110777742ASimple structureMeet width requirementsBarrages/weirsHydraulic cylinderRiver routing
The embodiment of the invention discloses an integral horizontal rotary dam, and relates to the field of water conservancy projects. The integral horizontal rotary dam comprises a retaining dam body,at least two fixing piers and a dam body driving device, wherein the retaining dam body is arranged above a dam foundation and extends in the width direction of a river channel; the fixing piers are arranged on one side of the dam body at intervals along the width direction of the river channel and are connected with the dam foundation; and each fixing pier is hinged to one side of the dam body through a hinge device. According to the integral horizontal rotary dam, the defects that a rubber dam is easy to damage and age, the time for dam lifting and collapsing is long, the safety is low, thereliability is poor, the service life is short and the like can be overcome; furthermore, the problems that leakage occurs among side water-block rubber of a hydraulic dam, hydraulic cylinders and oilpipes are prone to failure in the river channel, the overhaul is difficult and the like can be solved; and meanwhile, the problems that a bottom shaft of a traditional steel dam gate is rough, not scientific in stress bearing, poor in sand punching effect and high in manufacturing cost and the like can be overcome.
Owner:李正方
Rubber roller placing frame of printer
The invention discloses a rubber roller placing frame of a printer. The rubber roller placing frame comprises a main body bracket, slide rails, slide supporting arms, safety pins and set screws, wherein the main body bracket consists of two bottom longitudinal beams, two stand columns, a top beam, a middle beam and a ground beam; the two ends of the bottom surface of each bottom longitudinal beamare each equipped with one foot wheel through a bolt; the slide rails are fixedly mounted on the front side surface and the rear side surface of the top beam and the middle beam through bolts; the slide supporting arms are inserted into the slide rails from dovetail-shaped tenons thereof; the safety pins are inserted into slide supporting arm transverse through holes in the top beam slide rails; and set screws are screwed into longitudinal screw holes of the slide supporting arms. The rubber roller placing frame aims to solve the technical problems such as inconvenient movement, poor adaptation and unreasonable stress in the prior art, and provides the placing frame which is perpendicular to a placing structure, can conveniently and quickly place the rubber roller, and does not affect theshape of the rubber roller.
Owner:芜湖市华美工艺包装有限公司
Deformable scooter
ActiveCN105836013AForce scienceImprove handlingChildren cyclesSteering deviceEngineeringMechanical engineering
The invention discloses a deformable scooter which comprises an assembly, pedal tubes, pedals, rear wheels, a front wheel and a T handlebar stem. The two pedal tubes are rotatably connected onto the assembly, the pedals are fixed onto the pedal tubes, and universal wheels are connected to the other ends of the pedal tubes; the front wheel is arranged on the lower portion of the assembly, the T handlebar stem is connected to the upper portion of the assembly by a stem, and hand brakes are arranged on the T handlebar stem; a clamp device is arranged at joints of the pedal tubes and the assembly, comprises a clamp plate and a strut switch, is connected onto the assembly by rotary shafts and can rotate in the up-down directions by certain angles; a clamp groove which is matched with the strut switch is formed in the end, which is connected with the assembly, of each pedal tube. The deformable scooter has the advantages that the deformable scooter is simple in structure and convenient to use, is in a novel style, can be flexibly freely switched into a frog-pose scooter and a drifting scooter and has multiple functions, and value and application of the multifunctional scooter can be improved.
Owner:广东麦斯卡体育股份有限公司 +2
Assembled inclined pile foundation for offshore wind turbines
ActiveCN105201010BIncrease installed capacityImprove stabilityFoundation engineeringArtificial islandsLow demandTower
The invention discloses an assembled inclined pile foundation for an offshore fan. Including the wind turbine tower, the steel pile foundation and the transition steel structure connected between the steel pile foundation and the wind turbine tower. The steel structure is connected to each other; the steel structure is transformed into a tree branch structure including a central tube and multiple welded branches around the central tube. The bottom of each branch is coaxially connected to the top of the steel pile foundation through a flange, and the top of the central tube is The blue plate is coaxially connected with the bottom end of the fan tower. The invention has strong bearing capacity, high reliability, good fatigue resistance, no on-site welding and grouting, and relatively low requirements on engineering equipment and construction technology.
Owner:ZHEJIANG UNIV +1
Flat gate valve with multiplexed output adjustment
PendingCN108533772AReduce impactReduce back pressureSlide valveMetal working apparatusEngineeringVALVE PORT
The invention discloses a flat gate valve with multiplexed output adjustment. The flat gate valve with multiplexed output adjustment comprises a valve body, a valve cover arranged on the valve body, and a flow channel arranged in the valve body. An upper cavity and a lower cavity communicating with the flow channel are arranged in the valve body; the upper cavity is located above the flow channel;the lower cavity is located below the flow channel and is located right below the upper cavity; a valve rod extending into the upper cavity is arranged on the valve cover; a gate plate is fixedly arranged at one end, located in the upper cavity, of the valve rod; a valve seat matched with the gate plate so as to realize sealing is fixedly arranged on the flow channel; a spring is arranged betweenthe valve body and the valve seat; a limiting block is fixedly arranged in the lower cavity; an opening slot is formed in one surface, facing the gate plate, of the limiting block; and an extending part embedded into the opening slot and adaptive to the opening slot is fixedly arranged at a position, facing the limiting block, of a peripheral wall of the gate plate. The flat gate valve provided by the invention has the following advantages and effects of reasonable design, compact structure, convenience in use, and capability of prolonging the service life of the valve.
Owner:BAOYI GROUP
Integrated upward-spiral steel dam
The embodiment of the invention discloses an integrated upward-spiral steel dam in order to overcome the shortcomings of a rubber dam, a hydraulic dam and a steel dam gate in the prior art. Meanwhile,the integrated upward-spiral steel dam is relatively simple in overall structure, scientifically stressed, convenient to overhaul, good in sand washing effect and not limited by water quality, terrain and the width of a river way.
Owner:李正方
Rigidity measuring and calculating method for hollow floor with built-in corrugated cylinders
ActiveCN113011061ADetailed theoretical researchAccurate theoretical researchData processing applicationsSustainable transportationClassical mechanicsEquivalent stiffness
The invention discloses a rigidity measuring and calculating method for hollow floor with built-in corrugated cylinders, which combines the material and construction characteristics of a reinforced concrete plate, a ribbed plate and a corrugated pipe, and comprises the following steps: S1, combining the structural characteristics of a corrugated cylinder cast-in-place concrete hollow floor, introducing a Cartesian coordinate system, and establishing a hollow floor coordinate graph; s2, adopting the principle of equivalent stiffness, considering orthotropic anisotropy and material anisotropy at the same time, introducing a corrugation simplification coefficient, improving stiffness formulas of ribbed plates and corrugated plates in elastic mechanics, and providing a stiffness formula of the improved corrugated pipe hollow floor system; s3, taking that the X direction and the Y direction of the built-in thin-wall corrugated cylinder hollow floor are composed of a plurality of equidistant sections, and taking one unit section on each axis for analysis; s4, calculating the flexural rigidity of the plate parallel to the pipe axis direction; s5, calculating the flexural rigidity of the plate in the direction perpendicular to the pipe axis; and S6, calculating the section stiffness of the hollow floor. The invention enriches and perfects the existing calculation mode, and is an innovation of the existing rigidity research theory.
Owner:QUZHOU UNIV
Water flow switch of washing machine water treatment device
The invention discloses a water flow switch of a washing machine water treatment device. The water flow switch comprises a shell, a connector is arranged at the end of the shell, an impeller is arranged in the shell and comprises a rotating shaft, the rotating shaft is arranged in the flowing direction of water flow, a plurality of blades are evenly distributed on the rotating shaft, magnets are arranged on the blades, a magnetic induction device is further arranged on the shell, and an attaching layer is arranged on the inner side of the shell. The water flow switch is simple in structure, convenient to use, low in cost and not likely to be abraded or blocked when used for a long term.
Owner:ZHEJIANG ECO ELECTROMECHANICAL MFG CO LTD
Interventional valve delivery system
The present application relates to an interventional valve delivery system, which includes a handle assembly and a pipeline. The handle assembly includes a casing, a transmission mechanism and a runner, the transmission mechanism is arranged in the casing, and the pipeline is connected with the transmission mechanism. The shell is provided with an open part, and the opening angle of the open part in the circumferential direction of the shell is greater than 180°. The runner is installed in the open part for rotation, and the runner is connected with the transmission mechanism, which is used to drive the transmission mechanism to drive the pipeline in the axial direction. Movement to achieve admission or release of the intervening valve. In this application, by setting the open part, the runner can only perform rotational movement, and will not move axially with the transmission mechanism and the pipeline, so as to avoid the damage to the pipeline adjustment accuracy caused by the simultaneous rotation and axial movement of the runner. influences. In addition, on one side of the open part of the housing, a product axial stress relief structure is designed, so that the handle assembly of the delivery system will not bear the axial force across the single side, so as not to affect the coaxiality of the delivery system , for smoother operation.
Owner:KINGSTRONBIOCHANGSHU CO LTD
A safety rope fracture strength detection fixture and testing machine
ActiveCN105699183BNot easy to damageForce scienceMaterial strength using tensile/compressive forcesBreaking strengthConductor Coil
The invention provides a safety rope breaking strength detection fixture and a tester. The fixture comprises a base, a winding wheel, a connector and a pin. The base comprises a horizontal part and a vertical part, and the vertical part is vertically fixed to one side of the bottom surface of the horizontal part. The winding wheel is provided with a spiral winding groove, and one end of the winding wheel is fixed to the vertical part and is parallel to the horizontal part. The connector is fixed to the upper surface of the horizontal part, the pin is fixed to the side face, opposite to the vertical part, of the horizontal part and is parallel to the horizontal part, one end of a test rope is wound in the winding groove of the winding wheel, and the end of the test rope is fixed to the pin. According to the safety rope breaking strength detection fixture, the end of the test rope is fixed to the base through the pin instead of being fixed to the winding wheel, so that stress is more scientific; besides, the fixture can be miniaturized.
Owner:ZHANJIANG JIANKE ENG QUALITY TESTING CENT CO LTD
Vena cava filter
The invention relates to the technical field of cardiovascular system medical instrument structures, in particular to a vena cava filter. Comprising a central pipe; the hook part is arranged at the end part of the central pipe and is used for taking out the filter in a matched manner; the umbrella-shaped part comprises a plurality of outer supporting rods, one ends of the outer supporting rods are rotationally connected to the central pipe, and the other ends of the outer supporting rods can be opened and closed to form an umbrella-shaped structure; the supporting part comprises a plurality of inner supporting rods corresponding to the outer supporting rods, and one ends of the inner supporting rods are rotationally connected to the outer supporting rods; the driving part is of a piston type structure and comprises a cylinder body and a piston arranged in the cylinder body; the piston is sleeved on the central pipe, and one axial side of the piston is connected with the other end of the inner supporting rod; the cylinder body is located on one side of the piston to drive the piston to move axially so as to drive the inner supporting rod to adjust the opening angle of the outer supporting rod. The filter is simple in structure, adjustable in opening diameter, capable of adapting to blood vessels of different sizes, better in adaptability, easy to operate and high in safety.
Owner:武汉亚心总医院有限公司
Cable-pulled miter dam
The invention relates to a cable traction reversed-V-shaped water retaining dam. The cable traction reversed-V-shaped water retaining dam is mainly applied to the hydraulic engineering construction field of water retention and storage of watercourses and reservoirs, farm irrigation, small hydropower stations and the like. A water retaining panel (1) of the water retaining dam is firmly connected to a dam foundation by a bottom shaft (8) through a hinge pedestal (9); a row of transmission supporting rods (2) are arranged on the back side of the water retaining panel (1) at equal intervals, connected into a whole through steel plate profiles and locked through a clamping device (11) to form a stable triangle supporting structure. A power device of the cable traction reversed-V-shaped water retaining dam is composed of a cable (7), a pulley block, the transmission supporting rods (2), a winch and the like; the pulley block is connected to the transmission supporting rods (2) and the dam foundation and are rotated positively and negatively through the winch, and therefore the dam erection and dam dropping are achieved. The cable traction reversed-V-shaped water retaining dam is simple in structure, fast in damp dropping and dam erection, safe, reliable, economical, durable and not limited by water quality or territory.
Owner:宗泽群
A construction device for the casing of a bowl-button steel pipe scaffolding sweeping pole
The invention discloses a construction device for a bowl button type steel pipe scaffolding sweeping pole casing, which belongs to the field of building scaffolding. It includes an adjustable base plate (6), an adjustable base screw rod (7), an adjustment nut (3), a sleeve (4), a vertical rod (2), and a lower bowl buckle (1). Install a bushing (4) outside the base screw (7), fix the sweeping rod (5) on the bushing (4) with a steel pipe fastener, install an adjusting nut (3) above the bushing (4), and the bushing (4) Located in the middle of the adjustable base plate (6) and the adjustment nut (3), the construction device has a simple and stable structure and is easy to install and use.
Owner:YUNNAN CONSTR INVESTMENT HLDG GRP CO LTD
A transformable scooter
The invention discloses a deformable scooter which comprises an assembly, pedal tubes, pedals, rear wheels, a front wheel and a T handlebar stem. The two pedal tubes are rotatably connected onto the assembly, the pedals are fixed onto the pedal tubes, and universal wheels are connected to the other ends of the pedal tubes; the front wheel is arranged on the lower portion of the assembly, the T handlebar stem is connected to the upper portion of the assembly by a stem, and hand brakes are arranged on the T handlebar stem; a clamp device is arranged at joints of the pedal tubes and the assembly, comprises a clamp plate and a strut switch, is connected onto the assembly by rotary shafts and can rotate in the up-down directions by certain angles; a clamp groove which is matched with the strut switch is formed in the end, which is connected with the assembly, of each pedal tube. The deformable scooter has the advantages that the deformable scooter is simple in structure and convenient to use, is in a novel style, can be flexibly freely switched into a frog-pose scooter and a drifting scooter and has multiple functions, and value and application of the multifunctional scooter can be improved.
Owner:广东麦斯卡体育股份有限公司 +2
Anti-falling glove for tower
InactiveCN109171079AHave the effect of safety protectionAvoid the risk of falling from heightsGlovesProtective garmentEngineeringTower
The invention relates to the technical field of transmission line high-altitude operation, in particular to a anti-falling clove for a tower, comprising a metal glove, a clamping assembly which can beused for clamping the pole tower main material is arranged at the side of the metal glove, an unlocking assembly is correspondingly arranged on the clamping assembly, and a locking assembly which locks the metal glove to the wrist is arranged on the lower part of the metal glove. The invention adopts such a structural arrangement, a metal glove can be use for clamping that pole tow during climbing the pole tow by the clamping assembly, so as to have the effect of protecting the safety of the operation personnel, the invention avoids the risk of falling from a high altitude, controls the clamping and loosening of the clamping assembly through the unlocking assembly, locks the metal gloves on the wrist of the operator through the locking assembly, avoids loosening, has the advantages of simple structure, convenient operation, smooth and labor-saving climbing pole tower, time-saving and labor-saving, and high safety.
Owner:STATE GRID CORP OF CHINA +1
Self-centering small-caliber ammunition primer press-fitting mechanism
ActiveCN113899261ASolve the following problems in the field of automatic assembly technologySolve precise positioningAmmunitionReciprocating motionGear wheel
A self-centering small-caliber ammunition primer press-fitting mechanism with a push-pull gear mechanism comprises a plurality of primer press-fitting units and a driving mechanism, the primer press-fitting units are arranged in parallel and meshed with one another, and the driving mechanism is connected with one primer press-fitting unit, wherein the primer press-fitting units are rotationally arranged on a fixed base plate, and the driving mechanism reciprocates to drive each primer press-fitting unit to rotate. According to the mechanism, accurate coaxial positioning of a primer and a cartridge case in the automatic bullet assembling process can be achieved, and the accurate force application position of a pressing rod to the cartridge case and the accurate force application position of an ejector rod to the primer are limited at the same time. The self-centering small-caliber ammunition primer press-fitting mechanism is simple and reliable in structure, high in efficiency and high in practicability. The stability of a small-caliber ammunition assembly system and the press-fitting precision of the primer are greatly improved.
Owner:SHANGHAI PLATFORM FOR SMART MFG CO LTD +1
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