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48results about How to "Enough thrust" patented technology

Sacculus dilatation catheter

The invention provides a sacculus dilatation catheter for blood vessel dilatation surgery. The sacculus dilatation catheter comprises a sacculus, a push rod, an inner tube and a connecting device, wherein the push rod is positioned between the sacculus and the connecting device and connects the sacculus and the connecting device, and the inner tube extends and passes through the internal spaces of the sacculus and the push rod. The sacculus dilatation catheter is characterized in that: at least one of the push rod and the inner tube is made of weaving silk reinforcing tube. The sacculus dilatation catheter can smoothly pass through circuitous, diffuse calcification and even long-segment occlusive blood vessels in vascular disease interventional therapy surgery.
Owner:SHANGHAI VASOLUTIONS MEDTECH CO LTD

Shielding sliding shoe curvilinear pushing-up hole-passing construction method

ActiveCN104653229AConstrained taxiingGood linear control functionMining devicesTunnelsLinear controlClassical mechanics
The invention discloses a shielding sliding shoe curvilinear pushing-up hole-passing construction method, which comprises the following construction steps: laying a sliding shoe (1); punching reaction holes (2); anchoring a multi-support leg reaction frame (3) into the reaction holes (2); regulating a shielding machine (6); transporting a segment by a crane; pushing the segment; transporting a second segment by the crane, and meanwhile, arranging a plurality of force transfer steel beams (4); pushing the segment, integrating the segment and the force transfer steel beams (4), transferring out the force transfer steel beams (4) after a jack is contracted, and jacking the jack again to closely attach the second standard shielding segment to the first standard shielding segment. The method generally has the beneficial effects that a good linear control function is realized; the ratio of the weight of the shielding machine to pushing force is relatively greater, and the pushing-up requirement of a large shielding machine is met; the segment splicing amount is minimum, and materials are saved.
Owner:YSD RAIL TRANSIT CONSTR CO LTD +1

Surface plasma resonance and electron cyclotron resonance double-excitation type microwave thruster

The invention discloses a surface plasma resonance and electron cyclotron resonance double-excitation type microwave thruster, relates to the technical field of spacecraft power, and relates to the thruster which is based on low-temperature non-equilibrium plasma, namely surface plasma, resonance and electron cyclotron resonance and is applied to a microsatellite power system for performing the tasks of satellite formation, deep space exploration and the like. The surface plasma resonance and electron cyclotron resonance double-excitation type microwave thruster is fixed into a vacuum environment through a thruster supporting frame, and comprises a permanent magnet ring, a discharge chamber, a metal antenna and a tail spraying pipe; the permanent magnet ring is mounted at the external part of the discharge chamber in a sleeving manner; the metal antenna is embedded into the interior of the discharge chamber; the permanent magnet ring is embedded into the thruster supporting frame; the tail spraying pipe is butted with an outlet of the discharge chamber. The surface plasma resonance and electron cyclotron resonance double-excitation type microwave thruster has the characteristics of being novel in structure, convenient in machining, small in size, high in stability, strong in specific impulse, long in thruster service life and the like.
Owner:DALIAN UNIV OF TECH

Vectored thrust ducted propeller

The invention relates to a vectored thrust ducted propeller. The vectored thrust ducted propeller comprises a screw propeller and a duct cylinder body, wherein the screw propeller can rotate to generate air currents and the duct cylinder body surrounds the screw propeller; a first rotating piece, a second rotating piece and a blocking piece which are arranged in an air current deflection mechanism are respectively and directly derived from a part of a duct body; a complete duct is jointly formed by the first rotating piece, the second rotating piece, the blocking piece and the duct cylinder body part. Under the driving of a speed reducing motor, a rotation driving shaft is rotated, so that the first rotating piece and the second rotating piece are driven to rotate to expected positions; the blocking piece moves forward and backward along a sliding groove formed in the duct cylinder body to prevent the air currents from flowing out of the right side of the duct, and the blocking piece is matched with the first rotating piece and the second rotating piece so that the air currents can flow out of the remained empty part formed after the first rotating piece is rotated; therefore, the whole system bears lateral force which is reversed to the air currents. According to the vectored thrust ducted propeller disclosed by the invention, the thrust direction of a ducted fan is substantially changed, large enough lateral force is provided for an aircraft to balance the reaction torque of a main rotor, so that the residual thrust in the axial direction of the aircraft is as small as possible, and more suitable for the aircraft of the type to ascend and descend perpendicularly and hang in the air.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Probe special for performing eddy current testing on thimble tube of neutron flux instrument used by nuclear power plant

The invention relates to a probe special for performing eddy current testing on a thimble tube of a neutron flux instrument used by a nuclear power plant. The probe is used for performing eddy current testing on the thimble tube of the neutron flux instrument used by the nuclear power plant, and comprises a seeker, a copper bush having one end connected with the seeker, a coil framework arranged in the copper bush, a coil wound on the coil framework, and a spring tube connected with the other end of the copper bush, wherein the coil is connected with a cable; a steel wire rope is fixedly connected with the coil framework; the cable and the steel wire rope are fixed by a cable clamp and penetrate the copper bush and the spring tube; an empty slot part is formed in the wall of the copper bush and is filled with glue; the tail part of the steel wire rope is fixedly connected with the tail part of the spring tube; and the tail part of the cable is connected with a connector. According to the probe special for performing eddy current testing on the thimble tube of the neutron flux instrument used by the nuclear power plant, the enough thrust can be supplied in a narrow and slender curved channel, the durability is extremely strong, and the in-service eddy current testing on the thimble tube of the nuclear power plant can be realized safely and reliably.
Owner:CGNPC INSPECTION TECH +2

Miniature vertical take-off and landing flapping wing aircraft

The invention discloses a miniature vertical take-off and landing flapping-wing aircraft, and belongs to the technical field of flapping-wing aircrafts. The aircraft comprises an aircraft body, a flight control system, a steering engine, a double-wing flapping wing device and a tail vane. The double-wing flapping wing device is arranged at the upper part of the aircraft body, and the tail vane isarranged at the lower part of the aircraft body. The double-wing flapping wing device comprises a flapping wing driving part and a flapping wing synchronous movement mechanism which are mounted on a rack. The flapping wing driving part comprises a motor and a reduction gear set, the motor is in meshed connection with an input end gear of the reduction gear set through a motor shaft gear arranged on a rotating shaft of the motor, and the flapping wing synchronous movement mechanism comprises a flapping wing and a pair of flapping wing driving structures of the same structure. The flapping wingcomprises a flapping wing rocker arm and two pairs of flexible flapping wings. The flapping wing driving structure comprises an eccentric shaft mounting gear, an eccentric shaft and a connecting rod.The cross-shaped supporting tail vane comprises a longitudinal fixed rudder plate and a transverse adjusting rudder plate, and the longitudinal fixed rudder plate and the transverse adjusting rudder plate are vertically downward and are arranged in a cross mode. The aircraft has the characteristics of convenient take-off and landing, low energy consumption and the like.
Owner:西北工业大学太仓长三角研究院 +1

Shield driving mode suitable for soft-hard uneven stratum and conversion method thereof

InactiveCN110985012AEnough thrustAdapt to excavationTunnelsDriving modeClassical mechanics
The invention discloses a shield driving mode suitable for a soft-hard uneven stratum. The shield driving mode comprises open type driving, half-open type driving and full earth pressure type driving.The open type driving is a shield driving mode in which no pressure needs to be maintained in an earth bin. Full earth pressure type driving is a shield driving mode in which during shield excavation, earth in the earth bin is pressurized through driving muck, or earth pressure of the excavation face and the pressure of underground water are balanced by pressure generated by injected auxiliary materials, stability of the working face is maintained, and thus ground depression caused by tunnel face collapse or too much stratum water loss is avoided. The half-open mode is between the open type and the full earth pressure type modes. Through a conversion method provided by the invention, a corresponding driving mode can be obtained through conversion according to different strata, and corresponding control parameters are selected.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +1

Device for centering and clamping tubular parts

The invention concerns a device for centering and clamping tubular parts such as conduits designed to form pipeline pipes of the type consisting of an elongated cylinder (1) comprising in particular clamping means, such as at least clamping shoes (2) arranged over its entire periphery and adapted to be radially mobile projecting from said cylinder (1) to be urged to press against the walls of the conduits to be clamped as well as means for moving each of the series of clamping shoes (2) between a position projecting from the cylinder (1) and a position wherein they are retracted into the cylinder (1). The invention is characterized in that said driving means consist of a driving member (3) removably connected to a plate (4) which bears a plurality of support components (5) on each of which is mounted pivoting about an axis of the first end of a link rod (6) in the manner of a swivel joint, the second end of the link rod (6) being likewise mounted pivoting about an axis, in the manner of a swivel joint in a second support component bearing a centering shoe (2), the sliding driving movement of the driving member (3) in a longitudinal direction of the cylinder (1) causing the first end of the link rods (6) to pivot while the resulting pivoting movement of the second end of the link rods (6) causes the radial displacement of the associated clamping shoes (2). The invention is applicable to the construction of piping systems.
Owner:塞丽麦克斯公司

Large yellow croaker feed automatic feeding device

ActiveCN107897094AGuaranteed falling speedEnsure feeding speedClimate change adaptationPisciculture and aquariaHydraulic cylinderEngineering
The invention discloses a large yellow croaker feed automatic feeding device. The device comprises a base, a battery and a hydraulic station are fixed at the upper end of the base, and a horizontal hydraulic cylinder is fixed at the upper end of the base; a vertical rod is fixed to the edge of a hydraulic rod of the hydraulic cylinder, and a rib plate is fixed between the vertical rod and the hydraulic rod of the hydraulic cylinder; an electromagnet is fixed at the upper end of the vertical rod, a support A is fixed at the upper end of the base, and a horizontal steel tube is fixed at the upper end of the support A; a stop block is fixed at the upper end of an inner ring of the steel tube, and a piston connected with the steel tube in a sliding mode is arranged in the steel tube; a rubberblock is fixed to the side, close to the stop block, of the piston. According to the device, fish feed falling is accelerated through a vibrator, the falling speed of fish feed is ensured, the feedingspeed of the fish feed is ensured, and the feeding efficiency is improved; through continuous movement of the hydraulic cylinder and the electromagnet, enough thrust force is ensured so that the fishfeed can reach a designated position, operation of a breeder is facilitated, and convenience is brought to the breeder.
Owner:浙江任我行教育科技有限公司

Cantilever tunneling machine with support shoe and construction method thereof

The invention belongs to the technical field of tunnel construction equipment and relates to a cantilever tunneling machine with a support shoe and a construction method thereof. The cantilever tunneling machine with the support shoe comprises a main body structure. The telescopic support shoe is installed at the top of the main body structure. The main body structure comprises a rock breaking cutter bit detachably installed at the cantilever support end. The rock breaking cutter bit is a soft rock cutter bit or a hard rock cutter bit. The design of the special support shoe is added to the cantilever tunneling machine, enough thrust can be provided for the rock breaking cutter bit, rock breaking efficiency is improved, the problem of low rock breaking efficiency of hard rock geological construction is solved, and meanwhile, stability of a complete machine can be improved significantly. In soft rock geological construction, a shield is installed on the support shoe, an arch part of thesupport shoe can be supported, ejector anchor primary supporting can be conducted closely following equipment, the equipment does not need to retreat from a tunnel face due to primary supporting, parallel operation of tunnel face excavation and ejector anchor primary supporting is achieved, and the problem of low construction method efficiency of soft rock geological construction is solved.
Owner:西安中铁工程装备有限公司

Device for cleaning dirt on surface layer of high-tension transmission line

The invention provides a device for cleaning dirt on the surface layer of a high-tension transmission line. The device includes a dust removal base, a suspension mechanism arranged on the dust removalbase, a moving mechanism arranged on the dust removal base, an auxiliary support mechanism arranged on the dust removal base, a dust removal mechanism, a collection mechanism, and a control mechanism, wherein the dust removal mechanism and the collection mechanism are arranged on the dust removal base, and the control mechanism is arranged on the dust removal base and used for coordinated controlof the suspension mechanism, the moving mechanism, the auxiliary support mechanism and the dust removal mechanism. The device can carry out large-scale ash removal operation on the transmission line,the dust removal effect is better, workers do not need to climb up and down, the safety is high, the dust removal operation is achieved by taking power from the line, and the device is light, long inservice life, low in cost and use cost, and very good in effect.
Owner:STATE GRID CORP OF CHINA +1

Special shaped surface coal leveling device and use method thereof

InactiveCN101780889AEnough thrustSolve the problem of poor coal dischargeLoading/unloadingLow speedEngineering
The invention provides a special shaped surface coal leveling device and a use method thereof, which belongs to the field of mechanical design, in particular to the technical scheme of the device capable of making the top surface of the coal smooth and uniform through smoothly pushing the coal arranged on a train to side gaps inside a train body and the use method thereof. The invention is characterized in that the device capable of making the top surface of the coal smooth and uniform through smoothly pushing the coal arranged on the train to side gaps inside the train body mainly comprises a special shaped surface coal leveling scrapping plate, a cross beam, an upper coal blocking plate, four groups of pulley mechanisms and a rib plate. The invention uses the mathematical feature of the continuous second derivatives of a special shaped curve surface for making the scrapping plate to present a special shaped surface shape, so the scrapping plate has good fluid dynamics performance, and the forward moving action force of the train is used for smoothly pushing the coal in the middle of the train body to both sides of the train body. Thereby, the efficiency and the quality of the coal loading on the train are improved, and the defects of low speed, high cost, high work intensity and low coal leveling quality of manual auxiliary coal leveling are overcome.
Owner:TAIYUAN UNIV OF TECH

High-precision powder forming machine

The invention discloses a high-precision powder forming machine. The high-precision powder forming machine comprises a rack, an upper die device, a lower die device and a feeding device, wherein the upper die device, the lower die device and the feeding device are arranged on the rack; the upper die device is located above the lower die device; the lower die device comprises a fixed die, a first lower die driving mechanism, a first lower die, at least two second lower die driving mechanisms, at least two second lower dies and at least two pressing plates; the fixed die is fixed to the rack; the output end of the first lower die driving mechanism is connected with the first lower die so as to drive the first lower die to ascend and descend; the output ends of the second lower die driving mechanisms are connected with the pressing plates, and the pressing plates are connected with the second lower dies so as to drive the second lower dies to ascend and descend; the fixed die, the first lower die and the second lower dies form a die cavity; and the feeding device can be used for conveying powder to the die cavity. The high-precision powder forming machine has the advantages of being high in forming precision and good in forming effect.
Owner:广东培敏智能科技有限公司

Waterjet propulsion system and watercraft having a waterjet propulsion system

The invention relates to a waterjet propulsion system and a watercraft having a waterject propulsion system. The invention relates to a waterjet propulsion system (1) for a watercraft, comprising an intake region (2), an impeller region (3) which adjoins the intake region and in which a one-stage impeller (4) is mounted, and an outlet nozzle (5) which adjoins the impeller region, the waterjet propulsion system having a drive motor (6) which is at least indirectly connected to an impeller driveshaft (7) of the impeller (4). According to the invention, the impeller has only one single blade (8).
Owner:安德烈亚斯德施

Concealed repair device for subway tunnel deformation detection based on total station

The invention discloses a concealed repair device for subway tunnel deformation detection based on a total station, which comprises subway shield tunnel segments, a positioning box, an infrared distance measuring mechanism, a reset mechanism and an auxiliary mechanism, wherein the subway shield tunnel segments are mounted in a subway tunnel, and a plurality of groups of subway shield tunnel segments form a cylindrical structure; the positioning box is placed in the subway shield tunnel segments; the infrared distance measuring mechanism mounted on the outer side of the positioning box is used for measuring the repair deformation distance; the reset mechanism is arranged in the positioning box; and the auxiliary mechanism and the reset mechanism are arranged correspondingly, and the transverse central axis of the auxiliary mechanism is perpendicular to the longitudinal central axis of a fixing cylinder. The concealed repair device for subway tunnel deformation detection based on the total station has enough tensioning force, is high in overall repairing work efficiency, can carry out quantitative repair and an avoid the situation of excessive repair or insufficient repair.
Owner:TIANJIN UNIV

Construction method for reinforcing existing line-spanning bridge by newly-added pier stud bearing steel trussed beams

ActiveCN111218893ASolve the problem of maintenance and reinforcementReduce the impactBridge erection/assemblyBridge strengtheningSupporting systemPre stress
The invention relates to a construction method for reinforcing an existing line-spanning bridge by newly-added pier stud bearing steel trussed beams. The construction method comprises the steps of 1,constructing an under-bridge supporting system at the bottom of the bridge; 2, dismantling bridge deck pavement, bridge deck slabs and handrails at sidewalks on the two sides of the original bridge; 3, performing mounting operation of the prestress pushing system below the bridge; 4, pushing out and dismounting the concrete longitudinal beams on the two sides of the bridge through a prestress pushing system; 5, pushing the lower chords of the steel longitudinal beams to specified positions through a pushing system, welding the upper chords and the lower chords, and welding the steel longitudinal beams of the adjacent sections; 6, vertically jacking the steel longitudinal beams; and 7, recovering the structure of the bridge floor, and removing the pushing system. The method has the beneficial effects that a steel longitudinal beam pushing system is adopted for construction, the construction operation is mainly carried out under the bridge, the space of the bridge floor does not need tobe occupied, and therefore the influence on traffic is reduced.
Owner:ZHEJIANG UNIV CITY COLLEGE

Positioning locking device for steel discharging machine

The invention relates to a positioning locking device for a steel discharging machine. The positioning locking device comprises a stop pin, an upper positioning seat and a lower positioning seat and is characterized in that a pinion and a pull rod nut gear in a telescopic driving mechanism are arranged in a shell in parallel and in a side-by-side manner, and the pinion is in engagement transmission with the pull rod nut gear; a pinion shaft is mounted in the center of the pinion, the two ends of the pinion shaft are respectively mounted in two small bearing caps through a bearing support, the two small bearing caps are respectively fixedly mounted on the shell, and the shaft extension end of the pinion shaft is connected with an output shaft of a motor speed reducer; and a pull rod nut is fixedly mounted in the center of the pull rod nut gear, the two ends of the pull rod nut are respectively mounted in two pull rod bearing caps through the bearing support, the two pull rod bearing caps are respectively fixedly mounted on the shell, a threaded pull rod penetrates through the center of the pull rod nut, and the front end of the threaded pull rod is connected with the rear end of the stop pin. The structure is simple, compact and reasonable, positioning conveyed steel blanks can be carried out, the smooth discharging of the steel blanks is ensured, and the work efficiency is improved.
Owner:无锡晶瑜智能机械有限公司

Wide velocity domain variable geometry air inlet

ActiveCN108730037ALow startup Mach numberStart Mach number reductionGas turbine plantsJet propulsion plantsEngineeringDomain variable
The invention discloses a wide velocity domain variable geometry air inlet. The start mach number of a hypersonic velocity air inlet is greatly lowered through a rotary hypersonic velocity air inlet lip and a third-stage top plate. A good traffic capture capacity can be guaranteed when the mach number of the hypersonic velocity air inlet is small, and in other words, motor power is guaranteed.
Owner:NAT UNIV OF DEFENSE TECH

Apparatus for removing overhead line entanglement

The present invention provides an apparatus for removing overhead line entanglements. The apparatus for removing overhead line entanglements comprises a base, a suspension mechanism arranged on the base, a moving mechanism arranged on the base, an entanglements removing mechanism arranged on the base, and a control mechanism arranged on the base and used for controlling the suspension mechanism, the moving mechanism and the entanglements removing mechanism. The entanglements removing mechanism comprises two insulated vertical rods arranged at the bottom of the base, a hook arranged at the bottom of the two insulated vertical rods, a rail beam arranged between the upper portions of the two insulated vertical rods, and an electric lifting rod arranged at a lower portion of the rail beam in arolling way, a carbon dioxide laser cutting head arranged at the bottom of the electric lifting rod, an infrared distance sensor arranged at the bottom of the electric lifting rod, an rotating rollerrotationally arranged between the lower portions of the two hooks and a spike antenna arranged on the outer surface of the rotating roller. According to the apparatus for removing overhead line entanglements, the load quality of the overhead line is not increased, and the difficulty of hooking can be reduced.
Owner:国网河南省电力公司南召县供电公司

Intelligent snow sweeping robot based on multi-sensory interaction

The invention discloses an intelligent snow sweeping robot based on multi-sensory interaction. The intelligent snow sweeping robot based on multi-sensory interaction mainly comprises a snow pushing assembly, a solar panel shell, a camera, a locating device, a communication device, a floating snow removing assembly, a 4+2 wheel type drive assembly and the like. The snow pushing assembly can controlthe height of a rotary cutting type snow pushing board based on the differential thought through control over a push rod motor. The floating snow removing assembly mainly uses a high-pressure air stream to blow remaining floating snow away. The 4+2 wheel type drive assembly can deform to advance. The camera is used for image information acquisition. The locating device is used for obtaining position information. The communication device is used for transmitting various data. The solar panel shell is used for instantly supplementing electric energy. The intelligent snow sweeping robot based onmulti-sensory interaction is mainly used for solving the problems that a current snow sweeping machine is large in size, high in cost, poor in flexibility, not intelligent, poor in snow sweeping effect and the like.
Owner:XINJIANG UNIVERSITY

A hidden repair device for subway tunnel deformation detection based on total station

The invention discloses a hidden repairing device for deformation detection of subway tunnels based on a total station instrument. The tunnel segment is composed of a cylindrical structure; the positioning box is placed inside the tunnel segment of the subway shield tunnel; the infrared ranging mechanism, the infrared ranging mechanism installed outside the positioning box measures the repaired deformation distance ; reset mechanism, the reset mechanism is arranged inside the positioning box; auxiliary mechanism, the auxiliary mechanism is set corresponding to the reset mechanism, and the lateral axis of the auxiliary mechanism is perpendicular to the longitudinal center axis of the fixed cylinder. The total station-based hidden repairing device for deformation detection of subway tunnels has sufficient tension, and the overall repairing efficiency is high, and can perform quantitative repairs without causing excessive or insufficient repairs.
Owner:TIANJIN UNIV

Turbine-based combined cycle engine, aircraft and control method

The invention discloses a turbine-based combined cycle engine, an aircraft and a control method, relates to the technical field of aviation, and aims to ensure that the turbine-based combined cycle engine provides enough thrust for the aircraft at various flight speeds. The turbine-based combined cycle engine comprises a turbine engine, a ramjet engine, a precooler, an air inlet pipe, an exhaust nozzle, a partition plate, a flow guide mechanism and a flow channel switching mechanism, wherein the partition plate, the flow guide mechanism and the flow channel switching mechanism are arranged in the air inlet pipe. The aircraft comprises the turbine-based combined cycle engine. The turbine-based combined cycle engine provided by the invention is used in an aircraft.
Owner:AERO ENGINE ACAD OF CHINA

A method for demolding continuous extruded in-mold skinned pp foamed sheets

ActiveCN108819157BReduce vacuum suctionIncreased skin strengthFlat articlesEngineeringCrystallization temperature
The invention relates to a demolding method for a crust PP foamed sheet in a continuous extrusion die. The demolding method comprises the following steps: an extruded melt is adjusted by a high temperature channel to keep the temperature of the contact surface of the melt and an enhanced crystallization foaming device be equal to or more than 220 DEG C, the surface of the melt rapidly crusts afterthe melt reaches heat insulation holes due to the internal temperature, being 80 DEG C, of the enhanced crystallization foaming device, the enhanced crystallization foaming devices starts from the first level, cold water is introduced to make the contact surface of the device and the melt less than the crystallization temperature of PP in order to make the surface of the PP melt crystallize and crust, the surface of the PP melt is in contact with the upper surface and the lower surface of a differential crusting device to make the melt rapidly crystallized and cure pores, and a sheet which ispre-sized after conversion and crystallization of the melt is continuously defoamed and demolded under a constant pressure, leaves the differential crusting device, is continuously demolded, enters afixing die, and is fixed to obtain a qualified product. The method effectively reduce the vacuum adsorption force and other demolding resistances, facilitates the strength enhancement of a PP crystallized crusted layer, converts extrusion thrust into demolding thrust, and achieves the smooth realization of continuous crystallizing, crushing, extruding and demolding of the PP in a differential enhancement device.
Owner:安徽恒森新材料有限公司

An automatic feeding device for large yellow croaker feed

ActiveCN107897094BGuaranteed falling speedEnsure feeding speedClimate change adaptationPisciculture and aquariaHydraulic cylinderFishery
The invention discloses a large yellow croaker feed automatic feeding device. The device comprises a base, a battery and a hydraulic station are fixed at the upper end of the base, and a horizontal hydraulic cylinder is fixed at the upper end of the base; a vertical rod is fixed to the edge of a hydraulic rod of the hydraulic cylinder, and a rib plate is fixed between the vertical rod and the hydraulic rod of the hydraulic cylinder; an electromagnet is fixed at the upper end of the vertical rod, a support A is fixed at the upper end of the base, and a horizontal steel tube is fixed at the upper end of the support A; a stop block is fixed at the upper end of an inner ring of the steel tube, and a piston connected with the steel tube in a sliding mode is arranged in the steel tube; a rubberblock is fixed to the side, close to the stop block, of the piston. According to the device, fish feed falling is accelerated through a vibrator, the falling speed of fish feed is ensured, the feedingspeed of the fish feed is ensured, and the feeding efficiency is improved; through continuous movement of the hydraulic cylinder and the electromagnet, enough thrust force is ensured so that the fishfeed can reach a designated position, operation of a breeder is facilitated, and convenience is brought to the breeder.
Owner:浙江任我行教育科技有限公司

Multifunctional environment-friendly straw biological softening equipment

The invention discloses multifunctional environment-friendly straw bio-softening equipment. The multifunctional environment-friendly straw bio-softening equipment comprises a tank body, an upper coveris arranged at the top of the tank body, a heating cavity is formed in the outer side of the tank body, a stirring cavity is formed in the tank body, an opening is formed in the bottom of the stirring cavity, a main shaft is arranged in the stirring cavity, and a vertical screw is arranged on the main shaft; and the top of the vertical screw corresponds to a feeding cavity, a scraping device is arranged at the position, corresponding to the feeding cavity, of the upper portion of the main shaft, a discharging cavity is correspondingly formed below the scraping device, the top of the discharging cavity is open, and the bottom of the tank body protrudes outwards and is provided with a slag discharging opening. According to the invention, the working efficiency is greatly improved, the resource consumption is reduced, and the environment is protected.
Owner:王学成
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