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158results about How to "Realize the reset function" patented technology
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Reduction exoskeleton joint and exoskeleton power assisting device thereof
The invention provides a reduction exoskeleton joint, which comprises a first limb and a second limb which are in rotary connection, and further comprises a reduction mechanism which is arranged between the first limb and the second limb, wherein the reduction mechanism is in charge of providing recovery force when the first limb and the second limb approach to an upright state so as to promote the joint to recover to the upright state, and the joint, under the circumstance of not being exerted with obvious torque, is kept under the upright state. The reduction mechanism can adopt magnetic attraction elements or wedge block-wedge groove structures and further comprises an elastic energy storage mechanism, and the reduction mechanism is capable of releasing elasticity so as to assist power in a process that the first limb and the second limb extend. The elastic energy storage mechanism is a torsional spring, a tension spring, a compression spring or a pneumatic push rod; and a limiting mechanism, which is used for limiting rotating angles of the first limb and the second limb, is arranged between the first limb and the second limb. The reduction exoskeleton joint disclosed by the invention is simple in structure; power assisting is achieved by virtue of a mechanical mode under the condition of not consuming external energy; and in addition, reduction from passive bending to active extending is achieved.
Owner:重庆市牛迪科技发展有限公司
Fiber pre-stretched rod type self-centering steel buckling-restrained brace
InactiveCN102808464AEliminate residual deformationStable and continuous elastic recoveryShock proofingFiberBuckling-restrained brace
The invention discloses a fiber pre-stretched rod type self-centering steel buckling-restrained brace, comprising I-shaped steel, two internal restrained rectangular pipes, external restrained rectangular pipes, two end plates, fiber tension rods and connecting components, wherein the connecting components are arranged at two sides of a web of the I-shaped steel; the external restrained rectangular pipes are sleeved outside the I-shaped steel and the two internal restrained rectangular pipes; two end plates are arranged at the two ends of the I-shaped steel; the fiber tension rods are connected with the two end plates; the connecting components are connected with the end plates; the internal wall at one side of the I-shaped steel is connected with one end of each internal restrained rectangular pipe and the external wall at the other side of the I-shaped steel is connected with one end of each external retrained rectangular pipe; small holes arranged in arrays are arranged on the web of the I-shaped steel; the end plates are provided with nicks which are matched with the cross sections of the I-shaped steel; the end plates are inserted in the end parts of an I-shaped steel energy-consumption unit and are in contact with the end parts of the internal restrained rectangular pipes and the external restrained rectangular pipes; the fiber tension rod is located in the internal restrained rectangular pipes, and the end plates at two ends are tightly pulled by applying pre-stressing forces; and the external sides of the two end plates are respectively connected with the connecting parts.
Owner:SOUTHEAST UNIV
Automobile main controller awakening system and automobile main controller awakening method as well as automobile
ActiveCN104477111ARealize the reset functionShort response timeElectric/fluid circuitTransceiverControl theory
The invention relates to the field of automobile control and in particular relates to an automobile main controller awakening system and an automobile main controller awakening method as well as an automobile. The automobile main controller awakening system comprises a CAN bus and a main controller of the automobile and a CAN bus transceiver of the automobile, and also a power awakening module which is connected with the main controller of the automobile and a data awakening module which is connected with the main controller and the CAN bus transceiver; the main controller is connected with the CAN bus transceiver. The invention provides the new automobile main controller awakening system and the new automobile main controller awakening method as well as the automobile. The main controller enters a sleep mode by configuring the main controller and the CAN bus transceiver of the automobile; besides, the main controller can be awakened by use of hardware without software interference, and therefore, a software resetting function is realized. As a result, the response time of the system is greatly reduced and the efficiency of the system is greatly improved, and the time is saved.
Owner:SHENZHEN HANGSHENG ELECTRONICS
Floating type shaver
ActiveCN106514732ARealize the reset functionTo achieve the reset effectMetal working apparatusRazor stropEngineering
Owner:GUANGDONG ROMAN TECH CO LTD
Single chip microcomputer controlled power grid detection and reset circuit
InactiveCN104216494AEfficient detection and workQuickly detect and workElectronic switchingData resettingMicrocomputerMicrocontroller
The invention relates to a single chip microcomputer controlled power grid detection and reset circuit, which is characterized by comprising a micro-control circuit, a main control circuit and an audion circuit, wherein a PA1 detection port of the micro-control circuit is connected with a 12V power supply through the main control circuit to form a power grid power on / power failure detection structure, a PA4 of the micro-control circuit is used as an output port and is externally connected with an external interruption port of a main control chip of a main control chip circuit through electrical resistance, the micro-control circuit controls an audion to switch on / off, and an output end of the audion circuit forms the reset circuit for the main control circuit; a single chip microcomputer chip PA4 port of the micro-control circuit respectively starts and stops outputting a 200HZ square wave signal according to the power on and power failure of the PA1 port, so that the main control circuit can enter a normal or power-save working mode. The single chip microcomputer controlled power grid detection and reset circuit has the beneficial effects that the circuit is simple in structure, the used components are less, and the economic benefit is increased.
Owner:GUANGDONG REAL DESIGN INTELLIGENT TECH
Self-resetting seismic isolation support
InactiveCN108678184AIncrease lateral stiffnessImprove shear resistanceBridge structural detailsProtective buildings/sheltersShear capacityShape-memory alloy
The invention relates to the technical field of earthquake prevention and discloses a self-resetting seismic isolation support. The support comprises an upper connecting plate, a lower connecting plates, guide channels, SMA (shape memory alloy) stranded wires, high-damping rubber bodies and rubber stacked steel plates, wherein multiple guide channels penetrate through the upper connecting plate and the lower connecting plate, SMA stranded wire groups penetrate through the guide channels and form annular closed accesses, the high-damping rubber bodies and the rubber stacked steel plates are connected between the upper connecting plate and the lower connecting plate in a layered and staggered manner, and the vertical rigidity of the support can be effectively increased. The SMA stranded wires can increase the lateral rigidity of the support and improve the shear capacity of the support under the action of small earthquakes and dissipate a lot of earthquake energy after yielding under theaction of large earthquakes, and the resetting capacity of the support after earthquakes can be realized by the aid of superelasticity of the SMA stranded wires; the SMA stranded wires enhance the energy dissipation capacity and stability of the support and remarkably improve the seismic isolation effect of the structure; a limit role can be played and beam falling can be prevented.
Owner:北京市道路工程质量监督站
Equipment used for machining three-dimensional externally finned tubes
ActiveCN105057703AAchieve liftingRealize the reset functionAuxillary equipmentTurning toolsEngineeringMechanical engineering
The invention discloses equipment used for machining three-dimensional externally finned tubes. The equipment used for machining the three-dimensional externally finned tubes comprises a rack, a cutter and a workpiece feeding device. The cutter comprises cutter bodies, an upper die and a lower die. The cutter bodies are longitudinally inlaid in the upper die. Cone-shaped sleeves are longitudinally inlaid in the lower die. Each cutter body comprises a cutter rest and a group of cutter teeth. Each group of the cutter teeth are radially arranged at the end of the corresponding cutter rest evenly, and space is reserved between every two cutter teeth. Each cutter tooth comprises a cutter blade portion and a cutter point portion. The cutter blade portions are connected with the cutter rests. Included angles are arranged between the cutter point portions and the cutter blade portions, and the cutter point portions are close to the axes of the cutter rests. The cutter point portions are close to the large diameter sides of the cone-shaped sleeves in the lower die. The cutter rests are far away from the large diameter sides of the cone-shaped sleeves. According to the equipment, the defects that the uniformity of the depths, angles and thicknesses of fins cut through a cutter of existing equipment used for machining three-dimensional externally finned tubes are low and the strength and heat dissipation effect of the tubes are lowered are overcome. The equipment used for machining the three-dimensional externally finned tubes comprises the cutter, and the uniformity of the depths, angles and thicknesses of the fins cut through the cutter are high.
Owner:CHONGQING HUIKUN ELECTRICAL APPLIANCE +1
Solenoid-actuated non-pyrotechnic separation device based on volute spiral spring transmission assembly
InactiveCN108180795AImprove carrying capacityIncrease load limitSelf-propelled projectilesEngineeringMechanical engineering
A solenoid-actuated non-pyrotechnic separation device based on a volute spiral spring transmission assembly is provided. A volute spiral spring slow-release structure is employed to limit a segmentednut, and during unlocking, slow release is carried out for unlocking in the unlocking process, thereby effectively reducing impact response. An electromagnet is adopted as a driving source to provideunlocking power for the whole mechanism, and no pollution, detectability and measurability are achieved.
Owner:BEIJING INST OF ASTRONAUTICAL SYST ENG +1
Pinhead tea continuous shaping system based on automatic weighing and control method thereof
ActiveCN109566777AFully automatedRealize continuous productionPre-extraction tea treatmentWeighing apparatus with automatic feed/dischargeCooling UnitsAutonomation
The invention relates to a pinhead tea continuous shaping system based on automatic weighing and a control method thereof. The system comprises a PLC control system, a primary roasting unit, a spreading and cooling unit and a re-roasting unit, wherein a vertical lifting machine, a weighing conveyor, a material distribution mechanism and a vibration type conveyor are arranged at the primary roasting unit and the re-roasting unit for realizing automatic feeding, discharging and automatic pot combination re-roasting; the continuous shaping of the pinhead tea production is realized; the productionefficiency and the pinhead tea quality are greatly improved. The control method comprises the control processes of a primary roasting feeding link, a primary roasting link, a spreading and cooling link, a re-roasting feeding link and a re-roasting link. Through the control method, the automation degree of the shaping system is higher.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Spring type self-reset anti-buckling supporting device
The invention relates to a self-reset anti-buckling supporting device which comprises an external constraint unit, an inner core and a reset device. The reset device is a reset spring component. The external constraint unit is used for containing the bending deformation of the inner core. The reset spring component is used for recovering the stretch or compression deformation of the inner core. The reset spring component can generate reactive force to conduct resetting without exerting prestressing force after a spring bears force and deforms, the residual deformation of the device under great shock can be reduced while the good energy consumption capacity of anti-buckling supporting is ensured, and then the preset resetting effect is achieved. Compared with prestress type self-reset anti-buckling supporting, the resetting function during supporting pull and press can be more conveniently achieved. The self-reset anti-buckling supporting device is simple in structure, low in price, convenient to machine and manufacture and beneficial to engineering application and popularization.
Owner:HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Electric control system of grouting station and electric control method of grouting station
PendingCN109531822ARealize automatic reciprocationRealize automatic reversingDust removalFire preventionControl systemAlternating current
The invention discloses an electric control system of a grouting station and an electric control method of the grouting station. The electric control system comprises a motor, a motor integrated protector, an alternating-current contactor, an alternating-current contactor, a leakage protector, a breaker, a first travel switch, a second travel switch, a first time relay, a second time relay, an automatic reciprocating start and reset button, an automatic reciprocating stop button, a forward rotation inching operation button, a backward rotation inching operation button and an intermediate relay; the intermediate relay comprises a coil, a normally open contact and a normally open contact; the first travel switch comprises a normally closed contact and a normally open contact; the second travel switch comprises a normally closed contact and a normally open contact; the alternating-current contactor comprises a normally closed contact, a normally open contact and a coil; the first time relay comprises a coil and a normally open contact; and the second time relay comprises a coil and a normally open contact. The electric control system disclosed by the invention has the advantages of realizing automatic reversion and continuous reciprocating and circulating work of a grouting machine and preventing off-track of the grouting machine.
Owner:HUAINAN MINING IND GRP
Reset circuit and electronic equipment
ActiveCN104953992ARealize the reset functionAvoid accidental touchElectronic switchingBattery load switchingVIT signalsEngineering
The invention provides a reset circuit which comprises a charging circuit, a driving circuit and an executing circuit. The charging circuit is used for generating second voltage signals after first voltage signals provided by a control port are received; the driving circuit is used for amplifying the second voltage signals after values of the detected second voltage signals reach preset values, and outputting the amplified second voltage signals to the executing circuit; the executing circuit is used for generating reset signals after the amplified second voltage signals are received, and transmitting the reset signals to a reset port. The invention further provides electronic equipment. The electronic equipment comprises the reset circuit, a key and a microcontroller. The first voltage signals are provided by the control port when the key is pushed; reset operation is carried out on the microcontroller by the reset port when the reset signals are received. The reset circuit and the electronic equipment in an embodiment of the invention have the advantages that a key does not need to be individually occupied to specially carry out reset operation, the existing key can be pushed, accordingly, reset functions of the reset circuit and the electronic equipment can be implemented without external tools, and mistaken contact can be effectively prevented.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Self-reset buckling-restrained brace device
The invention relates to a self-reset buckling-restrained brace device. The self-reset buckling-restrained brace device comprises an outer portion constraint unit, an inner core and a reset device, wherein the reset device is a reset spring component, the outer portion constraint unit is used for constraining the bending deformation of the inner core, and the reset spring component is used for recovering the stretching or compression deformation of the inner core. The reset spring component adopted by the self-reset buckling-restrained brace device uses the reactive force generated after a spring is stressed and deformed to conduct reset, a pre-stressing force is not needed to be exerted, on the basis that the good energy-dissipating capacity of a buckling-restrained brace is guaranteed, the residual deformation of the buckling-restrained brace under a large earthquake can be reduced, and the predetermined reset effect is achieved. Compared with a pre-stressing force type self-reset buckling-restrained brace, by means of the self-reset buckling-restrained brace device, the reset functions in stretching and pressing of a brace can be achieved more conveniently. The self-reset buckling-restrained brace device is simple in structure, low in price, convenient to machine and manufacture and convenient for project popularization and application.
Owner:HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Device for helping person to stand and nursing bed for helping person to stand
The invention discloses a device for helping a person to stand and a nursing bed for helping the person to stand. The device mainly comprises an underframe, a support mechanism and an electrical device, wherein the underframe comprises a bracket body, a back frame and a seat frame and can be movably arranged in a bed body; the bracket body has the function of supporting the back frame and the seat frame and is hinged to one end of the bracket body by the side edge of the seat frame; the other end of the seat frame is hinged to the back frame; the bottom face of the back frame is hinged to thesupport mechanism; a bracket pin and a support shaft block are arranged below the other face of the bracket body, which does not contact the seat frame; the other face of the bracket body, which doesnot contact the seat frame, is connected with one end of the electrical device by the bracket pin; the other end of the electrical device is hinged with the support mechanism; and the electrical device comprises a motor and a telescopic shaft and is hinged to the support mechanism by the telescopic shaft. Through the hinging of the motor and the support mechanism and the support motion of the support mechanism and the underframe, the back frame and the seat frame are driven to move to form an angle for a human body to stand, so that the person can slowly and easily have a standing posture.
Owner:刘新正
Vehicle timing odometering terminal and identification method using vehicle timing odometering terminal
PendingCN107274508AGuarantee authenticityGuaranteed accuracyRegistering/indicating time of eventsCharacter and pattern recognitionDriver/operatorIdentity recognition
The invention provides a vehicle timing odometering terminal and an identification method using the vehicle timing odometering terminal, and the vehicle timing odometering terminal comprises a processor module, a memory module, a display module, a communication module, a fingerprint collection identification module, an image video collection identification module, an IC card identification module, a satellite positioning module, an external interface module and a power module. The vehicle timing odometering terminal uses a method combining a variety of recognition technologies for identity verification of a driver or a coach, and fully realizes real-time monitoring in the process of driving training, driving test, auxiliary driving, training hour, training mileage, coach / student identity recognition, vehicle positioning, data recording backup and other a plurality of kinds of application.
Owner:DUOLUN TECH CO LTD
Hydraulic type component clamping device for chemical industry processing
InactiveCN108608355AImplement directional compressionRealize the reset functionWork holdersChemical industryProcess engineering
The invention discloses a hydraulic type component clamping device for chemical industry processing. The hydraulic type component clamping device for chemical industry processing comprises a main hollow shell. Liquid compression space is formed in the center of the upper surface of the main hollow shell. Liquid storage space is formed in the part, located on the side with the liquid compression space, of the interior of the main hollow shell. The hydraulic type component clamping device for chemical industry processing achieves the clamping function with high control capacity by utilizing hydraulic pressure, and then achieves oriented flow of liquid by utilizing the lever principle, the clamping positioning function in a hydraulic manner is achieved; and the hydraulic type component clamping device for chemical industry processing has the characteristics of being easy to operate, long in service life, stable in work, and is high in practicability. Furthermore, the hydraulic type component clamping device for chemical industry processing is provided with a universal rotary guide connection mechanism, and thereby being capable of converting motion, coming from the position above andhaving a certain rotation angle, into reciprocating compression of vertical motion, so that a press rod is capable of driving a main piston plate, and the function of oriented liquid compression is achieved. In addition, because the hydraulic type component clamping device for chemical industry processing is provided with a liquid instantaneous opening and closing control mechanism, quick and effective instantaneous work can be achieved, and the reset function of liquid is achieved.
Owner:薛春红
Linkage fault detection device for point type fire detector
The invention discloses a linkage fault detection device for a point type fire detector. According to the linkage fault detection device for the point type fire detector, a linkage fault detection circuit comprises a first switch tube, a second switch tube, a voltage-regulator tube, a first optical coupler, a second optical coupler, a first power source and a second power source, wherein the point type fire detector, the primary grade of the first optical coupler, and the base-emitter of the first switch tube are connected in series between the both ends of the first power source; the collector of the secondary grade of the first optical coupler is connected with one signal input end of a core controller; the emitter-base of the second switch tube and the voltage-regulator tube are connected in series between the positive pole of the first power source and the collector of the first switch tube; the collector of the second switch tube is connected with the positive pole of the primary grade of the second optical coupler; the collector of the secondary grade of the second optical coupler is connected with the other signal input end of the core controller. The linkage fault detection device for the point type fire detector provided by the invention can be used for outputting short-circuit and open-circuit fault information of the point type fire detector to the core controller, so that false operation can be prevented.
Owner:MINNAN NORMAL UNIV
High-low voltage power distribution cabinet
PendingCN113745999ATo achieve the effect of internal heat dissipationRealize the effect of anti-cloggingBus-bar/wiring layoutsSubstation/switching arrangement casingsLow voltageEngineering
The invention discloses a high-low voltage power distribution cabinet, and relates to the technical field of power distribution cabinets. The high-low voltage power distribution cabinet comprises a high-low voltage power distribution cabinet body, heat dissipation holes corresponding in position are evenly formed in the lower ends of the left side and the right side of the high-low voltage power distribution cabinet body, and a case is fixedly installed on the back face of the high-low voltage power distribution cabinet body. According to the high-low voltage power distribution cabinet, through cooperation of the high-low voltage power distribution cabinet body, the heat dissipation holes, the first cleaning device and the second cleaning device, and the first cleaning device and the second cleaning device are used for cleaning holes of the heat dissipation holes, so the anti-blocking effect of the heat dissipation holes is achieved, the high-low voltage power distribution cabinet effectively solves the problem that the high-low voltage power distribution cabinet body is used for a long time, dust and particles block the heat dissipation holes, the heat dissipation holes are cleaned and dredged irregularly to achieve the internal heat dissipation effect of the high-low voltage power distribution cabinet body, and damage to electrical components caused by over-high temperature in the high-low voltage power distribution cabinet body due to blockage of the heat dissipation holes is avoided.
Owner:苏州市凯顺电器有限公司
Magnetic-driven mechanical fish
PendingCN109383725ARealize resetAvoid stickingPropulsive elements of non-rotary typeDegrees of freedomEngineering
The invention discloses a magnetic-driven mechanical fish. The mechanical fish comprises a fish body, a connecting shaft, a plurality of fish body driving mechanisms, a plurality of fish tail guidingmechanisms and a plurality of fluctuating scales; the fish body comprises a main fish body and a fish tail, the connecting shaft is longitudinally arranged in the fish body, one end of the connectingshaft is connected with the front end of the main fish body, and the other end of the connecting shaft is connected with the rear end of the fish tail; the fish body driving mechanisms are arranged inthe main fish body and mounted on the connecting shaft and adopt magnetic power. The fish tail guiding mechanisms are arranged on the fish tail and mounted on the connecting shaft. The mechanical fish adopts the idea of large degrees of freedom and calculus, each fish body driving mechanism controls local swinging of a certain part of the main fish body, magnetic drive is utilized to control local swinging of the main fish body, and when the driving mechanisms are sufficient, natural swinging of the mechanical fish is finally realized.
Owner:CHANGAN UNIV
Overflowing valve with automatic resetting and zero leakage functions
ActiveCN103511696ALarge adjustment rangeGuaranteed compressionEqualizing valvesSafety valvesLine tubingEngineering
The invention relates to the pipeline flow protection technology and particularly discloses an overflowing valve with the automatic resetting and zero leakage functions. The overflowing valve comprises a valve body, a valve clack, an adjusting washer, a guide sleeve, a locking ferrule, a spring, an upper spring base, a locking nut, a stop valve and a bypass pipeline. The adjusting washer is arranged between the guide sleeve and the valve body, a step structure is arranged at the top end of the guide sleeve and can fix the bottom of the spring, the valve clack passes through the guide sleeve, and the upper spring base is connected with the rod part of the valve clack. Through a special bypass resetting adjusting structure and a special conical sealing structure, high sealing performance of the overflowing valve is guaranteed after the overflowing valve is closed, and resetting reliability and control over resetting time points can be achieved. Due to the fact that the mode that a flow dual-adjusting structure is closed is adopted, the adjusting range of closing flow is widened and the accuracy of the closing flow is improved.
Owner:BEIJING AEROSPACE PROPULSION INST
Computer fan equipment with back-flow preventing function
InactiveCN111577634AWith cooling functionPrevent backflowPump componentsDigital data processing detailsElectric machineryStructural engineering
Owner:章丽
Novel XFP optical module structure
ActiveCN106019498APlug and unplug smoothlyGuaranteed positionCoupling light guidesOptical ModuleComputer module
The invention discloses a novel XFP optical module structure. The novel XFP optical module structure comprises a base and a cover plate matched with the base. An optical port set with optical ports which are independent from one another and are in an enclosure state is arranged on one side of the base, and a boss used for assisting in heat dissipation of a PCB main chip is further arranged on a PCB installation position on the base. Paired heat dissipating spacers which cooperate with one another so as to assist in heat dissipation of a light-emitting assembly are arranged between the base and the cover plate. According to the novel XFP optical module structure, by changing the internal structure of a module, the effects that the same style of XFP structural member is compatible to a rectangular encapsulated light-emitting assembly, a round encapsulated light-emitting assembly, an LC adaptor light receiving assembly and an XMD adaptor light receiving assembly, module plugging performance and signal transmission stability are improved, and meanwhile the product production cost and stock and management cost are reduced are achieved.
Owner:四川华拓光通信股份有限公司 +1
Electric appliance button
The invention provides an electrical button, which has a accommodating groove with a accommodating cavity, an elastic fixing member and a rigid pressing member are arranged on the accommodating groove; the elastic fixing member has an upper ring cover and a lower ring cover, forming a first clamping groove; the upper ring cover and the lower ring cover The outer periphery of the ring cover is connected by the cap wall, and the lower end of the cap wall is clamped in the connecting groove of the side wall of the receiving groove; the outer periphery of the lower end of the cap wall is provided with an upper fixing edge and a lower fixing edge to form a second clamping groove; The first clamping plate in the first clamping groove, the first clamping plate is provided with a pressing plate; the first clamping plate is provided with a guide post, and the lower end of the guide post is provided with a moving contact; the bottom surface of the receiving cavity is provided with a first static contact and the second static contact; the outer guide post is provided with an elastic piece, the upper end of the elastic piece is provided with an upper fixed end, and the lower end is set with a lower fixed end; the upper fixed end is clamped in the upper fixing groove of the first clamping plate, and the lower fixed end is clamped Connected to the lower fixing groove in the receiving cavity. The invention realizes double reset through the cap wall and the elastic member, so as to avoid the push button from being dead; the sealing performance is good, and dust and water are prevented from entering.
Owner:合肥梦飞电器有限公司
Piston rod reset mechanism of jack and jack
ActiveCN104709843AMeet the needs of useRealize the reset functionLifting devicesHydraulic cylinderFuel tank
The invention provides a piston rod reset mechanism of a jack and the jack. The piston rod reset mechanism is used for resetting a piston rod of the jack and comprises an air source supply device, an unloading control mechanism and a controllable one-way valve, the piston rod is provided with a piston head, the jack comprises a hydraulic cylinder, the piston head is located in the hydraulic cylinder and divides the hydraulic cylinder into a cavity with the piston rod and a cavity without the piston rod, and an oil outlet oil passage is arranged in the cavity without the piston rod; the unloading control mechanism is connected to the air source supply device; the controllable one-way valve is arranged on the oil outlet oil passage and connected with the unloading control mechanism; the cavity with the piston rod is connected with the air source supply device or the unloading control mechanism. When the piston rod reset mechanism of the jack and the jack are used, the piston rod is pushed to conduct resetting through an air pressure mode, the resetting speed of the piston rod is fast, and the stability of the resetting is good; meanwhile, a return air passage is arranged inside an oil tank and combined with the oil tank to be a whole, so that the overall size of the hydraulic jack is small, the appearance is attractive, the operation is convenient, and the usage requirements of the hydraulic jack are met for people.
Owner:JIASHAN HANDIJACK TOOLS
Machining method for bending large plate into multi-edge-angle workpiece in one step
ActiveCN112496104AReduce chanceRealize the reset functionMetal-working feeding devicesPositioning devicesStructural engineeringManufacturing engineering
The invention discloses a machining method for bending a large plate into a multi-edge-angle workpiece in one step, and belongs to the technical field of machining equipment. The multi-edge-angle workpiece is formed by one-step bending through an automatic forming die; the automatic forming die comprises an upper die part and a lower die part; the machining method comprises the steps that S1, theplate-shaped workpiece is placed on the upper surface of a lower die part of the automatic forming die; an upper die part descends for stamping, and when the die is closed, a male die of the upper diepart is attached to the upper surface of a workpiece to form a plurality of edges; a first female die of the lower die part is attached to the lower surface of the workpiece to form two obtuse edge angles; meanwhile, a second female die and a third female die of the lower die part are attached to the lower surface of the workpiece to form a plurality of edge angles respectively; S2, the upper diepart ascends; the male die is away from the upper surface of the workpiece; and a multi-edge-angle workpiece is obtained. By means of the machining method, the multi-edge-angle workpiece can be formed in one step.
Owner:ANHUI LIYUAN NUMERICAL CONTROL CUTTING TOOL & PATTERNS MFG
Needleless injector and using method thereof
PendingCN111068147ASmall appearanceReduce the difficulty of mass productionAmpoule syringesJet injection syringesNeedle Free InjectionSpray nozzle
The invention provides a needleless injector and a using method thereof. The needleless injector comprises a disposable sterile ampoule bottle, an injection pen and a reset box, wherein the disposablesterile ampoule bottle comprises a bottle body, a push-pull rod, a piston head and a protective part; two ends of the bottle body are provided with holes, and one end of the bottle body is provided with an injection spray nozzle; the protective part is penetrated by a through hole; the size and the shape of the through hole are matched with the size and the shape of the outer wall of the bottle body; the protective part can sleeve outside the bottle body when a liquid medicine is injected; and the injection pen is contained in the reset box. According to the invention, an existing injector production line can be utilized to carry out mass production of ampoule bottles and realize automatic assembly of the push-pull rod and the bottle body, so that production efficiency is greatly improved, and use cost of a user is reduced; and meanwhile, the reset box can directly contain the injection pen in a non-pressurized state, and the injection pen can be easily placed in the reset box, so that a reset function of the injection pen is realized, and an assembly box does not need to be prepared.
Owner:江苏万泓医疗器械有限公司
An automatic metal cutting device
ActiveCN112276644BRealize the effect of automatic cuttingPlay the effect of resisting pushMetal working apparatusPositioning apparatusEngineeringLever pressing
Owner:WENZHOU UNIV
Computer fan device with backflow prevention function
InactiveCN111577635AWith cooling functionPrevent backflowPump componentsDigital data processing detailsElectric machineryDrive motor
Owner:章丽
Anti-collision device for ship port
ActiveCN110939105BIncrease resistanceDock stableClimate change adaptationShipping equipmentWater flowMechanical engineering
The invention relates to the technical field of wharf anti-collision technology, in particular to a ship port anti-collision device, which is connected to the foundation of the wharf under the water surface. The ship port anti-collision device includes a channel and an anti-collision assembly; part and a transfer part, the channel formed by connecting the horizontal part and the inclined part through the transfer part is a horizontal V-shaped structure with openings at both ends; the opening of the water outlet end is smaller than the opening of the water inlet end, and the opening of the water inlet end The limit block is set on the top; the anti-collision assembly includes a slider, a rigid link and a flexible stopper, the slider is slid inside the inclined part, the flexible stopper is set outside the channel, and the flexible stopper is connected through a rigid link. The rod is connected with the slider; the density of the flexible stopper is lower than the density of water; the present invention converts the collision energy of the ship into the energy of impact towards the ship through the anti-collision assembly, changes and stabilizes the direction of the water flow, and at the same time, the water flow has the ability to move the ship toward the ship. The energy pushed out makes the ship dock stably.
Owner:陈忠响
Automatic metal cutting device
ActiveCN112276644APlay a compacting effectReduce labor intensityMetal working apparatusPositioning apparatusEngineeringLever pressing
The invention belongs to the technical field of a metal cutting device, and particularly relates to an automatic metal cutting device. For the problems of low cutting efficiency, low precision, high labor intensity, high hazard and low degree of automation in the prior art, the invention proposes the following scheme that the automatic metal cutting device comprises a cutting table; the cutting table is of a hollow structure; a through hole is formed on the top of one side of the cutting table; a moving plate is in sliding connected into the through hole in a penetrating mode; and two moving holes are symmetrically formed on the top of the cutting table. In the invention, by starting a servo motor, not only can the moving plate be driven to move and the automatic feeding effect is achieved, but also the effect of automatically clamping a plate can be achieved through cooperation of a pressing rod and a pressing plate in the feeding process, the automatic discharging effect can be achieved through a rotating block; the automatic metal cutting device is high in automation degree in the whole process and easy to operate; hand pressing feeding does not need to be carried out; labor intensity is low; safety is high; and the cutting efficiency and the cutting precision are greatly improved.
Owner:WENZHOU UNIVERSITY
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