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175results about How to "Limit range of movement" patented technology
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Electric valve
ActiveCN101644337ALimit range of movementReduce the number of piecesOperating means/releasing devices for valvesLift valveElastic componentEngineering
In an electric valve of the invention, the number of components of a motion limiting mechanism relatively to a rotor shaft (3) and a magnetic rotor (52) is reduced, and the precision is increased. Theguiding external thread (21b) is integrated with a bracket part at the periphery of the bracket part (21) of the bracket component (2). A driven slider (4) of a guiding internal thread (4a) which isscrewed with one part on the periphery of the guiding external thread is provided. A projection strip (523) is provided at the inner periphery of the magnetic rotor. A fixed lower end limiter (SD1) isintegrated with the bracket part at the lower end of the guiding external thread. A fixed upper end limiter (SU1) is integrated with the bracket part at the upper end of the guiding external thread.The driven slider is formed by the synthetic resin which is taken as the elastic component. When the magnetic rotor rotates, the projection strip is used for rotating the driven slider and abutting against the fixed lower end limiter or the fixed upper end limiter thereby restraining the lower position and upper position.
Owner:SAGINOMIYA SEISAKUSHO INC
Unidirectional clutch
InactiveCN1590797AReduce the numberLimit range of movementMachines/enginesAutomatic clutchesLow speedEngineering
To improve a one-way clutch incorporated into an engine of a motorcycle to eliminate the need for switching a gear to a neutral position in the case of push walk of vehicle. A one-way clutch 60 comprises a clutch inner wheel 62, a clutch outer wheel 65 coaxial with the clutch inner wheel 62, a cam surface 62b formed on the inner periphery of the clutch outer wheel 65, a roller (rolling member) 64 arranged between the clutch inner wheel 62 and the clutch outer wheel 65 and rolling on the cam surface 62b, and a compression spring (biasing member) 66 biasing in a direction of narrowing the roller 64 by pressure of the clutch inner wheel 62 and the clutch outer wheel 65 along the circumferential direction. The clutch is characterized by comprising an centrifugal weight (restricting member) 63 which restricts, in low-speed rotation, the movement of the roller 64 in the biasing direction within the range where the roller 64 can freely roll, and releases the restriction in the case of a predetermined number of rotation or more.
Owner:HONDA MOTOR CO LTD
Lens shift mechanism and projection type video display
ActiveCN1580937AReduced amount of projected lightLimit range of movementPrintersProjectorsCamera lensProjection lens
When an attempt to move a projection lens in a horizontal direction (crosswise) in a state where it is positioned on the upper or lower side is made, it can be moved in the horizontal direction (crosswise) up to a certain range. However, a movement restraining convex area in a vertical movable base finally comes into contact with the corner inclined at an angle of 45 degrees in a fixed base. After this contact, movement in a leftward or rightward direction and an upward or downward direction which are limited directions is limited. Even if a dial and a dial are rotated in the limited directions under the limitation of the movement, they are slipped, thereby making it possible to prevent a force from being forcedly applied to a driving mechanism.
Owner:SANYO ELECTRIC CO LTD
Rotor folding and unfolding device for vertical take-off and landing compounding layout unmanned aerial vehicle
ActiveCN106081060ARealize the rotation functionFunction to control rotationFuselagesVertical landing/take-off aircraftsBrushless motorsLinear motor
The invention discloses a rotor folding and unfolding device for a vertical take-off and landing compounding layout unmanned aerial vehicle. Besides all components of a conventional fixed wing unmanned aerial vehicle, the rotor folding and unfolding device further comprises rotors, rotor arms, connecting rods, a linear motor, a guide rod, flow baffles and springs. One end of each rotor arm is installed on a rotary shaft in a rotor cabin on the side face of a vehicle body, and the other end of each rotor arm is provided with a direct-current brushless motor and the corresponding rotor. When the rotors do not need to be used by the compounding unmanned aerial vehicle, the linear motor installed at the middle portion of the vehicle body is controlled to pull the guide rod and the connecting rods to move, the rotor arms are rotated and retract back into the corresponding rotor cabins, and the flow baffles are closed; and when the rotors need to be used by the compounding unmanned aerial vehicle, the linear motor is controlled, so that the rotor arms are rotated and extend to the outer side of the vehicle body. The unmanned aerial vehicle with the rotor folding and unfolding device has the functions of conventional fixed wings and further has the functions of vertical take-off and landing, longitudinal and transverse maneuvering and the like. In a fixed wing mode, the rotors retract into the rotor cabins, the flow baffles are closed, and the aerodynamic characteristic influence caused by a rotor structure is avoided.
Owner:BEIHANG UNIV
Clamping device of optical detector
InactiveCN101696927ASolve the problem of not being able to touch the PCB boardLimit range of movementMaterial analysis by optical meansInductorBiomedical engineering
The invention discloses a clamping device of an optical detector, which comprises a clamp body (1), a clamp plate (2) positioned on the clamp body (1), a cylinder (3) on the clamp plate (2), and a baffle plate (7) and an inductor (8) which are positioned on the clamp body (1). The top of the clamp body (1) is step-shaped, the clamp plate (2) has a reverse L-shape inosculated with the top of the clamp body (1) and is contacted with the top and one side of the clamp body (1). The clamping device of the optical detector has the advantages of automatically positioning and clamping workpieces; and meanwhile, a spring and a spring seat are increased so as to play a role in buffering when the clamp plate presses the workpieces, a PCB is not damaged, and the design of the step-shaped clamp body can prevent the PCB from deflecting so as to improve the positioning precision.
Owner:SUZHOU MINGFU AUTOMATIC SCI & TECH
Push-pull cable core winding device convenient to use
The invention discloses a push-pull cable core winding device convenient to use. The push-pull cable core winding device convenient to use comprises a base, two symmetrical second fixed plates are fixedly connected to the upper surface of the base, a groove is formed in the middle of the upper surface of the base, a forward and reverse rotary motor is fixedly connected to the inner bottom wall ofthe groove, a first bevel wheel is fixedly connected to the output end of the forward and reverse rotary motor, a fixed block is placed on the upper portion of a base plate, and a first bearing is fixedly arranged on the bottom surface of a fixed seat in an embedded mode. According to the push-pull cable core winding device convenient to use, through the arrangement of a third bearing, the stability of a threaded rod can be effectively maintained, and the situation that the threaded rod swings optionally in the rotating process is prevented; and through the arrangement of the forward and reverse rotary motor and the cooperative use of the first bevel wheel, a second bevel wheel, the threaded rod and a threaded pipe, the distance between two first fixed plates is greatly adjusted, a windingbarrel is assembled and disassembled conveniently, so that the winding barrel is more convenient to use, and the problem that an existing push-pull cable core winding device is not convenient to useis solved.
Owner:JIANGYIN YONGCHANG TRAFFIC MACHINERY PARTS
Shockproof base for machine tool
PendingCN108673164AEasy to installReduce vibrationLarge fixed membersMaintainance and safety accessoriesEngineeringMachine tool
The invention discloses a shockproof base for a machine tool. The shockproof base comprises a mounting table, a buffer plate and a base. Four supporting columns are fixedly arranged at the top of thebase, and the tops of the supporting columns are fixedly connected with the bottom of the buffer plate; a plurality of bosses are fixedly arranged at the bottom of the mounting table, and a pluralityof boss grooves matched with the bosses are formed in the top of the buffer plate; and the bottom ends of the bosses are embedded into the boss grooves and fixedly connected with one ends of shock absorption springs, and the other ends of the shock absorption springs are fixedly connected with the bottom ends of the boss grooves. According to the shockproof base for the machine tool, by arrangingthe mounting table, mounting of the machine tool is facilitated; by arranging the shock absorption springs, shock of the machine tool can be reduced, and product machining is facilitated; by arrangingairbags, on the one hand, the levelness of the machine tool can be adjusted, and on the other hand, a certain buffer effect can be achieved; and by arranging first limiting rings and second limitingrings, the moving range of upper supporting column bodies is limited, and the upper supporting column bodies are prevented from being disengaged from lower supporting column bodies.
Owner:江苏威佳机械制造有限公司
Removable connector
InactiveCN105673970ALimit range of movementSo as not to damageCouplingsEngineeringMechanical engineering
The invention provides a removable connector for hermitically connecting different pipes. A matched bulge is fixed on the peripheral surface of a matched joint connection pipe; a pair of unlocking limiting parts is fixed on a locking joint connection pipe; a locking part comprises a locking arm, an elastic arm and an unlocking arm; one end of the locking arm is fixedly connected with the end parts of the elastic arm and the unlocking arm, and the other end of the locking arm is a free end fixed with a locking bulge; the locking bulge and the matched bulge are matched to lock the connection between the locking joint connection pipe and the matched joint connection pipe; the end part, which is back onto the locking arm, of the elastic arm is fixedly connected with the locking joint connection pipe; the unlocking arm comprises an unlocking arm main body; one end of the unlocking arm main body is fixedly connected with the elastic arm and the locking arm; the other end of the unlocking arm main body is a free end; the unlocking limiting parts are positioned on one side, which is close to the unlocking arm, of the elastic arm; and when the unlocking arm main body is pressed, the locking arm is open to release the matching between the locking bulge and the matched bulge, and the unlocking limiting parts press against the unlocking arm main body.
Owner:LINHAI YONGHENG AUTO TECH
Position error compensation method of magnetic-core-free current sensor
InactiveCN108594151ALimit range of movementHigh measurement accuracyElectrical measurementsObservational errorElectrical conductor
The invention provides a position error compensation method of a magnetic-core-free current sensor. The position error compensation method of the magnetic-core-free current sensor comprises the following steps: uniformly mounting n magnetic field sensors without magnetic cores on a circular printing circuit board, wherein the sensing directions of the n magnetic field sensors are the same as an ampere circuital direction; outputs of the n magnetic field sensors are separately connected with an input of an adding device; the adding device superposes and summarizes output voltages of the sensors, and an output of the adding device is connected with a filter; and after the number n of the magnetic field sensors is determined, the proportional relation between the circular inner diameter of the circular printing circuit board and the diameter of a carrier conductor is designed through a solver, therefore, the movement range of a current-carrying conductor is limited, and requirements for measurement errors are met.
Owner:FUZHOU UNIV
Cable fixing support for cable trench
ActiveCN112467658AImprove laying efficiencyAvoid double tyingCable installations in underground tubesStructural engineeringElectric cables
The invention discloses a cable fixing support for a cable trench. Fixing seats are arranged at two ends of a stand column, the fixing seats are installed on the trench wall of the cable trench through bolts, a plurality of wire clamping buckles are arranged on a supporting arm, each wire clamping buckle comprises a bent first clamping plate and a bent second clamping plate, and the first clampingplates and the second clamping plates are made of elastic materials. Clamping grooves which are mutually embedded are formed in the bent positions of the first clamping plate and the second clampingplate, the first clamping plate and the second clamping plate are arranged in an X shape, the bent positions of the first clamping plate and the second clamping plate are overlapped, and the cable isarranged in a space formed by the lower portions of the first clamping plate and the second clamping plate. In a natural state, the upper portion of the clamping groove of the first clamping plate makes contact with the second clamping plate, and the upper portion of the clamping groove of the second clamping plate makes contact with the first clamping plate. The upper part of the supporting arm is provided with a plurality of wire clamping buckles, and a cable is clamped into the wire clamping buckles during cable laying, thereby avoiding repeated binding of a ribbon, reducing the workload ofa worker, and improving the cable laying efficiency.
Owner:国网山东省电力公司曹县供电公司
Information display device based on network
InactiveCN107393418AReduce labor intensityFast cleaningCleaning using toolsCleaning using liquidsDisplay deviceTemperature difference
The invention provides an information display device based on a network. The device comprises a cleaning sponge, a drain pipe, a conveying pump, a water tank, a connecting plate, a bearing block, a screw rod, a servo motor, a device main body, a lighting lamp, a support rod, a storage battery and a temperature difference power generating chip; the screw rod is arranged at the left end of the servo motor, the bearing block is installed on the screw rod, the connecting plate is assembled at the front end of the bearing block, the drain pipe is installed at the rear end of the connecting plate, the cleaning sponge is arranged at the rear end of the drain pipe, and a conveying pump is installed at the lower end of the water tank, so that the labor intensity of workers is reduced; the temperature difference power generating chip is installed at the rear end of the display device main body, the storage battery is arranged at the right end of the display device main body, the support rod is assembled at the front end of the display device main body, and the lighting lamp is arranged at the lower end of the support rod, so that heat generated when the display device main body works can be converted into electric energy. The information display device is convenient to use and operate, good in stability and high in reliability, and the labor intensity is lowered.
Owner:洛阳慧顶智能电子技术有限公司
Novel casting equipment
InactiveCN109365795AEasy to adjust orientationEase of ejectionMolten metal conveying equipmentsArchitectural engineeringElectromagnetic valve
The invention discloses novel casting equipment. The novel casting equipment comprises a base and a support column; a cavity is formed in the inner side of the support column; a motor is fixedly arranged at the bottom end in the cavity; a lead screw is fixedly arranged at an output end of the motor; nuts are in threaded connection to the surface of the lead screw; one sides of the two nuts are fixedly connected with two ends of an electric guide rail; a first through hole is formed in the bottom of a casting barrel; a high-temperature resisting electromagnetic valve is fixedly arranged in thefirst through hole; an extension rod groove is formed in the middle part of the base; and an extension rod is fixedly arranged in the extension rod groove. In the novel casting equipment, through arrangement of an electric rotating shaft, the casting barrel is driven to rotate to conveniently adjust the direction; through arrangement of the motor, the casting barrel can be driven to move up and down by the lead screw and the nuts; through arrangement of the electric guide rail, the casting barrel can be driven to move left and right; and through arrangement of the extension rod and a movable block, molded matters are conveniently ejected out.
Owner:甘肃欣福门窗工程有限公司
Bidirectional throttle valve
ActiveCN110242778ARealize bidirectional flow control functionReduce volumeEqualizing valvesSafety valvesEngineeringShuttle valve
The invention discloses a bidirectional throttle valve and relates to the technical field of throttle valves. The bidirectional throttle valve comprises a valve tube, and a first valve body and a second valve body arranged in the valve tube, wherein the valve tube is provided with a first interface and a second interface; the first valve body is provided with a first throttling channel; the second valve body is provided with a second throttling channel; and an intermediate communication channel is arranged between the first valve body and the second valve body in the valve tube. The bidirectional throttle valve is characterized in that a first diversion channel is arranged in the valve tube and between the first interface and the intermediate communication channel, a second diversion channel is arranged between the second interface and the intermediate communication channel, and the first valve body and the second valve body move synchronously in the axial direction of the valve tube. The bidirectional throttle valve can effectively realize the bidirectional flow control of the throttle valve.
Owner:ZHEJIANG DUNAN MASCH CO LTD
Intelligent massage bed
PendingCN107582318ASolve complex structuresEasy to useChiropractic devicesVibration massageFixed frameMassage
The invention provides an intelligent massage bed. The massage bed comprises a first telescopic rod, a second motor, a second telescopic rod, a connection plate, a vibration motor, a massage plate, anelectric cylinder, a fixed plate, a fixed frame and a bed board; the second motor is mounted at the upper end of the first telescopic rod, the second telescopic rod is mounted at the upper end of thesecond motor, and the connection plate is arranged at the right end of the second telescopic rod; the vibration motor is mounted at the lower end of the connection plate, and the massage plate is mounted at the lower end of the vibration motor in a matched mode. The intelligent massage bed massages all parts on the body of a user, the bed board is mounted at the rear end of the fixed frame and extends into the fixed frame, the fixed plate is arranged in the fixed frame and mounted at the lower end of the bed board, and the electric cylinder is arranged at the lower end of the fixed frame, penetrates through the fixed frame and is connected with the fixed plate; the intelligent massage bed facilitates installation and disassembling of a massage mechanism and an assembling mechanism, is convenient to use and operate and good in stability, improves the massage effect and enlarges the application range.
Owner:汇森家具(龙南)有限公司
Medical infusion trolley with shock absorption function
InactiveCN108618920AWith shock absorption functionEffective movementNursing accommodationAmbulance serviceEngineeringAbsorption effect
The invention discloses a medical infusion trolley with a shock absorption function. The medical infusion trolley comprises an infusion trolley body; two symmetrical first fixing blocks are fixedly connected to the bottom surface of the infusion trolley body, and a movable wheel is fixedly hinged to the bottom of each first fixing block through a first pin shaft; a tilting push rod is fixedly connected to the right side surface of the infusion trolley body, a handle is fixedly connected to the right side surface of the push rod, and two symmetrical second grooves are formed in the inner side wall of the infusion trolley body. According to the medical infusion trolley with the shock absorption function, through the arrangement of sliding blocks, the stability of a first fixing plate can beeffectively kept, and the phenomenon that the first fixing plate randomly tilts due to vibration is prevented; through the arrangement of a first strong spring, second strong springs, first sliding rings, second sliding rings and third strong springs, the movement of the first fixing plate can be effectively slowed, the shock absorption effect on the first fixing plate is greatly improved, and theproblem of poor shock absorption effect of existing medical infusion trolleys is solved.
Owner:芜湖市方顺物业管理有限公司
Underground water level observation device for hydrogeological exploration
PendingCN114216539AEasy to measureImprove convenienceLevel indicators by floatsHydrometryCircular disc
The invention belongs to the technical field of geological exploration, and particularly relates to a hydrogeological exploration underground water level observation device which comprises a base and a U-shaped clamping sleeve arranged on the upper surface of the base and further comprises a water level observation mechanism arranged on the surface of the U-shaped clamping sleeve. The water level observation mechanism comprises a wire spool, a rotating shaft, a cloth tape, a connecting shaft, a limiting disc, a buoyancy block and a connecting rod, and the rotating shaft is rotationally connected to the surface of the U-shaped clamping sleeve; the depth of the underground water level can be measured, the convenience of the device in the using process is improved, the alarm can give out a prompt sound when the connecting shaft reaches the underground water level position, and therefore the effect of prompting workers is achieved, and the sensitivity of the device in the using process is improved. The stability of the connecting shaft in the process of driving the cloth tape to move is guaranteed, and the phenomenon that the connecting shaft is clamped on the inner wall of the observation well due to the fact that the cloth tape shakes when the connecting shaft moves in the observation well is avoided.
Owner:山东省地质矿产勘查开发局第四地质大队
Unmanned aerial vehicle with an aerial photogrammetry function
InactiveCN108860606AWith aerial photogrammetry functionExpand the shooting rangeAircraft componentsAircraftsAviationThreaded pipe
The invention discloses an unmanned aerial vehicle with an aerial photogrammetry function. The unmanned aerial vehicle comprises a fixed seat, wherein first cavities are formed inside the fixed seat;first bearings are fixedly embedded into the inner bottom wall of each first cavity; the inner top wall of each first cavity is fixedly connected with a slowdown motor; the output ends of the slowdownmotors pass through the first bearings and extend to the lower side of the fixed seat; the outer surfaces of the output ends of the slowdown motors are fixedly connected with the inner rings of the first bearings; the output ends of the slowdown motor are fixedly connected with rotating shafts. According to the unmanned aerial vehicle with the aerial photogrammetry function, positive and negativerotating motors are arranged, and a threaded pipe, a threaded rod, a first gear, a second gear and a second fixing block are used in a matching way, so that the inclination angle of a fixed plate canbe adjusted effectively through movement of the threaded rod, the photography range of the unmanned aerial vehicle is enlarged greatly, the unmanned aerial vehicle is more convenient to use, and theproblem of inconvenience in using the existing unmanned aerial vehicle with the aerial photogrammetry function is solved.
Owner:扬州飞虎航空科技有限公司
Winding device used for spinning silk yarn bundling
The invention discloses a winding device used for spinning silk yarn bundling, comprising a fixing base; a first cavity is arranged in the left end of the fixing base; a sliding hole is formed in theinner top wall of the first cavity; the interior of the first cavity is fixedly connected with a threaded rod; the outer surface of the threaded rod is in threaded connection with a threaded pipe matching with the threaded rod. The winding device used for spinning silk yarn bundling can fix a winding reel effectively through arranging a neck and matching with a fixture block, so that the conditionof random movement of the winding reel during the using process can be prevented; a positive and negative rotation motor can drive the threaded pipe to rotate effectively by arranging the positive and negative rotation motor and matching with the threaded rod, the threaded pipe, a first gear and a second gear; the threaded pipe can drive a fixing rod to move through the threaded connection with the threaded rod; the winding device is beneficial to replacing the winding reel quickly; the device is conveniently used; and the device provided by the invention solves the problem that the current winding device used for spinning silk yarn bundling is not convenient to use.
Owner:浙江鼎兴纺织机械科技有限公司
Resistance type crane safety device capable of preventing aslant pulling and hanging
The invention discloses a resistance type crane safety device capable of preventing aslant pulling and hanging. The safety device comprises a guiding rod, a fixing rod and a horizontally arranged sliding rod. A long hole is formed in the middle of the sliding rod in the length direction of the sliding rod, and the bottom end of the guiding rod is connected into the long hole in a sliding mode; a sliding hole is formed in one end of the sliding rod, and the other end of the sliding rod is fixedly connected with a resistance changing disc; a connection wire is connected to the center of an inner resistance disc; the bottom of the fixing rod is bent and then stretches to the position below the inner resistance disc, the bottom end of the fixing rod is bent upwards and then is provided with a big-end-down conical portion, a sliding contact is formed at the tip end of the conical portion, and the resistance changing disc is supported by the sliding contact in a sliding mode. When a hanging hook or other lifting appliances are located at normal hoisting positions, the center of the resistance changing disc makes contact with the sliding contact. The resistance type crane safety device is simple in structure and convenient to manufacture, mount and use; the safety device additionally mounted on an existing lifting device can prevent the aslant pulling and hanging phenomenon, and safe operation of a crane is guaranteed.
Owner:HENAN SPECIAL EQUIP INSPECTION INST XINXIANG BRANCH
Steel tube clamping device based on buildings
InactiveCN108789225AMaintain stabilityIncrease frictionWork holdersSteel tubeArchitectural engineering
Owner:芜湖应天光电科技有限责任公司
Industrial thin film wrapping device convenient to use
InactiveCN108408448AMaintain stabilityAvoid swingingWebs handlingAgricultural engineeringThreaded rod
The invention discloses an industrial thin film wrapping device convenient to use. The industrial thin film wrapping device convenient to use comprises a fixing seat, wherein a first fixing block is fixedly connected to the right side of the upper surface of the fixing seat; a first fixing plate is fixedly hinged to the top end of the first fixing block through a first pin shaft; a first bearing is fixedly inlaid to the upper part of the left side surface of the first fixing plate; and a first threaded rod is fixedly connected to an inner ring of the first bearing. According to the industrialthin film wrapping device convenient to use, the first pin shaft is arranged, and the first fixing block is cooperatively used, so that the first fixing plate can be effectively rotated; an electric push rod is arranged, and a second fixing block, a second pin shaft, a third fixing block and a third pin shaft are cooperatively used, so that the first fixing plate can be effectively rotated, and the position of the first threaded rod is further controlled; and a second bearing is arranged, so that the stability of an output end of a motor can be effectively maintained, and the output end of themotor is prevented from oscillating randomly during a rotating process.
Owner:博艳萍
Sampling detection device for LED energy saving lamp production line
InactiveCN108132141ASo as not to damageReduce labor intensityTesting optical propertiesProduction lineTransverse plane
The invention provides a sampling detection device for an LED energy saving lamp production line, comprising a servo motor, a bearing seat, a screw rod, a support frame, a right transverse plate, a clamping plate, a cylinder, a left transverse plate, a light brightness detector, a metal ring, a support, a box, a battery and a travel switch. The screw rod is arranged at the right end of the servo motor. The bearing seat is arranged on the screw rod. The support frame is assembled at the lower end of the bearing seat. The left transverse plate and the right transverse plate are symmetrically installed at the lower end of the support frame. The cylinder is arranged at the right end of the left transverse plate. The clamping plate is arranged at the right end of the cylinder. Because of the design, an LED energy saving lamp can be clamped randomly. The support is arranged at the inner bottom end of the box. The metal ring is installed inside the support. The light brightness detector is arranged on the inner left wall of the box. The battery is assembled at the right end of the box. The travel switch is arranged at the right end of the battery. The design improves the reliability of detection. The sampling detection device is convenient to use and easy to operate, reduces the labor intensity, and has high reliability.
Owner:聊城市康展农业科技有限公司
Curved surface energy dissipation wall for hydraulic engineering
ActiveCN111411612AControl movement trajectoryLimit range of movementBarrages/weirsWater flowEngineering
The invention relates to a curved surface energy dissipation wall for hydraulic engineering, and belongs to the technical field of hydraulic engineering. The curved surface energy dissipation wall comprises a flow guide mechanism and a buffer mechanism, a wall body is installed on one side of the flow guide mechanism, a curved surface groove is formed in the wall body, the buffer mechanism is located in the curved surface groove, and an energy storage mechanism is installed on one side of the curved surface groove. According to the curved surface energy dissipation wall for hydraulic engineering, connecting sliding blocks and limiting sliding grooves are arranged, the contact area between water flow and arc plates can be effectively increased through the arc-shaped structures of the arc plates, the arc plates can effectively move in the horizontal center line direction of the limiting sliding grooves through the connecting sliding blocks, and the moving tracks of the connecting slidingblocks can be effectively controlled; and through symmetrical distribution of the connecting sliding blocks and the limiting sliding grooves, the arc plates can be effectively prevented from deflecting, so that the arc plates efficiently bear impact of water flow, and the situation that the impact resistance of the arc plates is reduced due to deflection of the arc plates can be effectively avoided.
Owner:KUNMING UNIV OF SCI & TECH
Embankment impact detection and warning device
ActiveCN110132481AGuaranteed firmnessThe adjustment method is simple and convenientFluid pressure measurementStands/trestlesEngineering
The invention discloses an embankment impact detection and warning device and aims to solve the technical problem that an existing embankment impact detection device is not enough flexible and convenient to operate. The embankment impact detection and warning device comprises a support mechanism and a detection mechanism, wherein the support mechanism comprises support legs and fixed parts, the fixed parts are arranged at the tops of the support legs and are fixedly connected with the support legs, each fixed part comprises a sliding rail, fixed holes are uniformly formed in the sliding rail,the detection mechanism comprises a box body, and a telescopic rod is arranged at a lower surface of the box body and is matched with the fixed holes. The embankment impact detection and warning device has the beneficial effects of high accuracy, safety and reliability and is convenient to use.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
Damp-heat-resistant high-strength single-component polyurethane primer-free adhesive sealant and preparation method thereof
ActiveCN111808569AGood adhesionExcellent heat and humidity resistanceNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesPolymer sciencePolyurethane adhesive
The invention discloses a damp-heat-resistant high-strength single-component polyurethane primer-free adhesive sealant and a preparation method thereof, and belongs to the technical field of polyurethane sealants. The single-component polyurethane primer-free adhesive sealant disclosed by the invention contains a self-made white carbon black modified polyurethane prepolymer; after the white carbonblack modified polyurethane prepolymer is added into the polyurethane sealant, the overall damp-heat resistance of the product can be enhanced so that compared with the single-component polyurethaneprimer-free adhesive sealant without the white carbon black modified polyurethane prepolymer, the adhesive stability of the single-component polyurethane primer-free adhesive sealant after damp-heat aging can be obviously improved; the obtained single-component polyurethane primer-free adhesive sealant has relatively high mechanical properties after being cured for 7 days under standard conditions, wherein the shearing strength reaches 7.5 MPa or above, the tensile strength reaches 12.5 MPa or above, the tearing strength reaches 25 N / mm or above, and the physical and mechanical performance requirements of the polyurethane adhesive sealant can be met in case of assembling windshields on different traffic vehicles.
Owner:SHANDONG NORTH MODERN CHEM IND
Clothes vibration device, clothes care machine and clothes airing machine
PendingCN111621967AAchieve the purpose of wrinkle removalImprove stabilityOther drying apparatusTextiles and paperEngineeringMechanical engineering
The invention discloses a clothes vibration device, a clothes care machine and a clothes airing machine. The clothes vibration device comprises a shell, a driving assembly, a driven part and a clotheshanger, wherein the driving assembly is mounted on the shell and is provided with a rod body rotating relative to the shell in the horizontal plane; the driven part is slidably connected to the shellin the vertical direction; the clothes hanger is fixedly connected to the driven part and used for hanging clothes; the rod body abuts against the driven part in the vertical direction and slides inthe circumferential direction of the driven part; and the sliding track of the rod body is a closed curve with a height difference in the vertical direction. By adopting the clothes vibration device of the structure, the clothes hung on the device can be shaken at a high frequency, so that wrinkles of the clothes are removed efficiently with less time.
Owner:JOMOO KITCHEN & BATHROOM
Industrial automatic conveying device
InactiveCN108861533AStrong clamping forceMaintain stabilityConveyor partsThreaded pipeIndustrial engineering
The invention discloses an industrial automatic conveying device comprising a first fixing plate. A groove is formed in the bottom face of the first fixing plate, a first bearing is fixedly embedded into the left side wall of the groove, and a positive and reverse rotation motor is fixedly connected to the left side face of the first fixing plate. The output end of thepositive and reverse rotationmotor penetrates through the first bearing and extends into the groove, the outer surface of the output end of the positive and reverse rotation motor is fixedly connected with the inner circle of the first bearing, and the output end of the positive and reverse rotation motor is fixedly connected with a threaded rod. According to the industrial automatic conveying device, by arranging a slidingblock, the stability of a threaded pipe ca be kept at a limited degree, and the threaded pipe is prevented from rotating along with rotation of the threaded rod; by arranging the positive and reverserotation motor and using an electric pushing rod, a sliding rod, a sliding ring, the threaded pipe, the threaded rod and a clamping plate cooperatively, clamping and conveying of materials can be effectively achieved, thus the industrial automatic conveying device is used more conveniently, and the problem that an existing industrial automatic conveying device is used inconveniently is solved.
Owner:芜湖市涵润智能科技有限公司
Feeding pipe of automatic feeder
InactiveCN103042427AReduce vibration and noiseProtect equipment and materialsMetal working apparatusCivil engineeringEngineering
A feeding pipe of automatic feeder comprises a groove bracket, a U-shaped material pipe and a pushing rod, wherein the U-shaped material pipe is positioned in the groove bracket, the pushing rod is located in the U-shaped material pipe, the pushing rod is fixedly connected with a chain fixing block, and the groove bracket is in clearance fit with the U-shaped material pipe. According to the feeding pipe of the automatic feeder, groove steel serving as the bracket and a U-shaped rubber groove serving as the feeding pipe are combined to achieve purposes of reducing vibrations and noises, protecting materials and device and improving production environments, and the U-shaped rubber groove can be replaced periodically and used conveniently.
Owner:程方明
Clamping device for cutting multilayer filter cloth
The invention discloses a clamping device for cutting a multilayer filter cloth. The clamping device comprises a fixed seat, two symmetrical cavities are formed in the fixed seat, and a first slidinghole is formed in the inner top wall of each first cavity; second cavities are formed in the left and right ends of the fixed seat correspondingly; a first bearing is fixedly inlaid on the inner sidewall, close to each first cavity, of the corresponding second cavity; and forward and reverse rotating motors are fixedly connected to the inner side walls, away from each other, of the two second cavities. According to the clamping device for cutting the multilayer filter cloth, by arranging the forward and reverse rotating motors and by cooperatively using of threaded rods, threaded pipes, powerful springs, electric pushing rods and a second fixing plate, the threaded rods can be effectively driven to rotate through rotation of the forward and reverse rotating motors, the threaded rods rotate to drive connecting rods to move, meanwhile, the electric pushing rods drive height adjusting of the second fixing plate, and thus the multilayer filter cloth is clamped; and the problem that an existing clamping device for cutting a multilayer filter cloth is inconvenient to use is solved.
Owner:JIANGSU YIMAO FILTER MEDIA CO LTD
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