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66results about How to "Flexible and lightweight" patented technology

Uninterrupted standby power system

The invention discloses an uninterrupted standby power system comprising an uninterrupted power supply, an inversion distribution box, a charge-discharge protection unit and a double-power control cabinet, wherein the inversion distribution box is electrically connected with a load; the charge-discharge protection unit and the double-power control cabinet are electrically connected with an uninterrupted power supply; the double-power control cabinet is electrically connected with a generating set and a commercial power incoming line device; the generating set and the charge-discharge protection unit are in electric connection; and an automatic oil supply device is arranged on one side of the generating set. The power for the load is provided by the uninterrupted power supply when the commercial power is cut or goes wrong, and when the voltage of the uninterrupted power supply is lowered to a protection voltage, the charge-discharge protection unit controls the generating set to charge the uninterrupted power supply, so as to guarantee stable power supply for users; besides, the uninterrupted standby power system has the advantages of small volume of the entire equipment, flexibility in use, light weight, and convenience in both operation and maintenance.
Owner:广东康菱动力科技有限公司

Multifunctional portable intertilling, soil moisture preserving, fertilizing machine

A portable multi-functional cultivation soil moisture preservation fertilizer placement drill is provided, which aims at achieving high operation efficiency, low cost, portability, practicality and free from traction by power. The invention comprises a dressing device, a cultivation device, a prong, a frame and a land wheel; wherein, the frame is shaped similar as T, which has a vertical pole and a horizontal pole; the land wheel is arranged at front end of the horizontal pole and the prong is positioned at rear end of the horizontal pole; an armrest is arranged at upper end of the vertical pole. The dressing device comprises a fertilizer box and fertilizing components, wherein, the fertilizing components comprises a fertilizer transit box, a fertilizing tube, a casing and a fertilizing ditch pipe; the fertilizer transit box is adhered tightly to exit of the fertilizer box; the fertilizing tube is connected with the fertilizer transit box with its upper end and is connected with the fertilizing ditch pipe with its lower end; the fertilizing ditch pipe is mounted inside the casing which is fixed on the frame horizontal pole; the cultivation device comprises a fixed plate, a breadth adjusting plate, three ploughshare arms and a ploughshare; the ploughshare arm in the middle is fixed on the frame horizontal pole and that at two sides is respectively mounted through the fixed plate and the breadth adjusting plate.
Owner:WHEAT RES INST OF AGRI SCI +1

Novel color mixing pen

The invention discloses a novel color mixing pen which comprises a shell. A containing cavity is formed in the shell and comprises a color storage cavity, a color mixing cavity and an output cavity. Four color storage pipes are mounted in the color storage cavity. Pigment different in color is mounted in the color storage pipes and extruded into the color mixing cavity through pistons. A color mixing assembly is mounted in the color mixing cavity and comprises a stirring rod arranged in the color mixing cavity and a stretching-out rod extending upwards from the stirring rod. An adjusting rod repeatedly slides downwards in a straight-strip-shaped rotary fit groove formed in the shell, an integrally-formed ring sleeve of the adjusting rod is driven to slide in a spiral sliding groove of the stretching-out rod, then the stretching-out rod and the stirring rod connected with the lower end of the stretching-out rod are rotated, and a reset spring connected to the stretching-out rod in a sleeving manner enables the stirring rod to rotate in a reciprocating manner; and the stirring rate is greatly increased, and more labor is saved.
Owner:ZHEJIANG IND & TRADE VACATIONAL COLLEGE

Variable aircraft flexible wing, variable stiffness skin structure and preparation method thereof

ActiveCN109533279AHigh elastic energy densityShort response timeWingsVariable stiffnessFiber
The invention discloses a variable aircraft flexible wing, a variable stiffness skin structure thereof and a preparation method thereof. The variable aircraft flexible wing, the variable stiffness skin structure thereof and the preparation method thereof comprise a variable stiffness skin unit, the variable stiffness skin unit comprises two layers of dielectric elastomer material single-layer films, two layers of fiber units and an air extraction pipe; the upper surface and the lower surface of each dielectric elastomer material single-layer film are coated with flexible electrodes; the fiberunits are packaged between two layers of dielectric elastomer material single-layer films; when the dielectric elastomer material single-layer film is electrified and deformed, the fiber units can slide relatively; the air extraction pipe is packaged between two layers of dielectric elastomer material single-layer films, an air inlet of the air extraction pipe is arranged between the fiber units,and an air outlet of the air extraction pipe is communicated with the variable stiffness skin unit. The variable aircraft flexible wing, the variable stiffness skin structure thereof and the preparation method thereof have the advantages of light weight, high efficiency and quick response.
Owner:XI AN JIAOTONG UNIV

Smoke-exhausting and fire-fighting robot

InactiveCN107050711AImprove performanceExcellent cycle performanceFire rescuePipingData processing
The invention provides a smoke-exhausting and fire-fighting robot. The smoke-exhausting and fire-fighting robot comprises a fire-fighting robot steel mounting rack, traveling power devices are arranged at the left and the right sides of the front end of the interior of the mounting rack correspondingly, and the traveling power devices are connected with a crawler-type chassis in a transmission mode; a vertically-placed connecting pipe elbow is clamped and fixed to the rear side of the mounting rack; a water delivery pipe is detachably connected to the upper end of the connecting pipe elbow; an electromagnetic valve is arranged in the water delivery pipe and electrically connected with a host controller; a fan mounting seat is welded to the middle of the rear end of the mounting rack, and a fin is arranged on the fan mounting seat, and the fan is connected with a turbine in a rotation mode; the traveling power devices are electrically connected with a lithium battery provided with a quick connection plug; a searchlight and a camera are arranged in front of the upper end of the mounting rack, and the camera is electrically connected with a host controller; and image data in a data processor in the host controller are sent back and displayed on a screen of a remote control device through wireless communication. The smoke-exhaust fire-fighting robot has the beneficial effects that though the design, the smoke-exhausting and fire-fighting robot has good integrity and relatively low center of gravity and can run more smoothly.
Owner:大墨科技有限公司

Gas warning miner light

The invention discloses a gas warning miner light which comprises a safety helmet and a miner light, wherein the miner light is composed of a light holder component, a power supply master control warehouse and a sheathed wire, and the safety helmet is provided with a clamp base which enables the light holder component to be positioned and clamped; the power supply master control warehouse is composed of an upper cover, a power supply master warehouse shell, a battery pack and a master control circuit board, the upper cover forms a master control warehouse shell, and the battery pack and the master control circuit board are electrically connected through a built-in wire; one end of the sheathed wire is electrically connected with the master control circuit board, and the other end of the sheathed wire is electrically connected with the light holder component; a gas sensor is integrated into the light holder component, and a master control module and a warning module are arranged on the master control circuit board; the power supply master control warehouse is matched with a charging base, and the charging base is connected with a power plug; and a wire clip is arranged on the back of the safety helmet. The gas warning miner light has the advantages of reasonable structure, high safety and convenience in wearing, can monitor the gas density in real time, and improves the reliability and availability of monitoring.
Owner:NINGBO KINGDUN ELECTRONICS IND

Sound-absorbing board for buildings and preparation method thereof

The invention discloses a sound-absorbing board for buildings. The sound-absorbing board is prepared from raw materials in parts by weight as follows: 13-18 parts of thermoplastic phenol resin, 5-9 parts of gypsum, 3-8 parts of polyamide, 5-9 parts of polystyrene foam plastic, 1-2 parts of nano carbon black, 7-14 parts of coal gangue powder, 6-13 parts of collagenous fiber, 15-25 parts of glass bead particles, 20-30 parts of modified fly ash, 5-8 parts of dioctyl phthalate, 7-14 parts of montmorillonoid, 15-25 parts of expanded perlite, 2-3 parts of DBDPE (decabromodiphenyl ethane), 2-4 parts of potassium citrate, 0.5-1 part of sodium humate, 1-2 parts of a fire retardant and 1-2 parts of a water reducer. The sound-absorbing board for buildings has the advantages of being damp-proof, flame-retardant, flexible, light in weight, good in breathability, recyclable, non-toxic, harmless, good in sound absorbing effect, low in production cost and the like.
Owner:HEFEI OUSHIJIA ELECTRICAL & MECHANICAL EQUIP CO LTD

Preparing technology for flexible bullet-proof and piercing-proof structure

ActiveCN106003759AExcellent bulletproof and anti-stab performanceImproved flexibility propertiesTextileInjection moulding
The invention relates to a preparing technology for a flexible bullet-proof and piercing-proof structure. The preparing technology specifically comprises the following preparing steps that firstly, a protection composite particle material is prepared; secondly, base cloth is laid between two sets of injection molds of an injection molding machine, the protection composite particle material is arranged on the two sides of the base cloth in an injection molding manner through the injection molds at the same time, the protection composite particle material is subjected to hot melting, seeps into a base cloth layer and then is cured to form a two-face protection material layer, mold opening is conducted, after the base cloth of an injection molding part is downwards transmitted, the base cloth is tensioned, and then injection molding is conducted; and thirdly, a flexible gap is machined. The structure of the product prepared through the preparing technology has excellent bullet-proof and piercing-proof performance and also has improved flexibility performance. A thermoplastic material and an enhanced material composite material are arranged on the adopted base cloth in an injection molding manner, the thermoplastic material and the enhanced material composite material are subjected to hot melting, seep into the base cloth layer and then are cured to form the two-face protection material layer, gaps among particles of the thermoplastic material and the enhanced material composite material can be eliminated, and the structure is compact and has more excellent bullet-proof and piercing-proof performance; and in addition, the preparing technology is simple, and the production efficiency is high.
Owner:SUZHOU GAOJIA PROTECTION TECH CO LTD

Intelligent eye monitoring device for adolescent

The invention discloses an intelligent eye monitoring device for an adolescent and belongs to the field of eye information monitoring. The intelligent monitoring device comprises a casing and a monitoring system integrated in the casing, wherein the monitoring system comprises a data processing module, a power source, an ambient light sensor, a distance sensor, an ultraviolet light sensor, a gyrosensor, an LED lamp and a vibration motor. Clamps mounted on legs of glasses are arranged on the casing. The monitoring system is integrated in the independent casing and serves as an independent module to be installed on the legs of the glasses through the clamps so that ordinary glasses can also have the function of monitoring an eye use environment and eye use habits; furthermore, the monitoring system can remind and intervene a user on the aspects of viewing distance and posture according to the eye use environment and light intensity, actively reminds the user through vibration, reminds parents and teachers through lamp flickering, is comprehensive in monitoring function and is conductive to cultivation of good eye use habits of the users and prevention of teenage myopia.
Owner:苏州中视慧眼电子科技有限公司

Precision corn seeder adopting one man operation

InactiveCN105519284AObvious Planting RequirementsMeet the requirements of plantingDibble seedersHand sowing implementsSeederAgricultural engineering
The invention discloses a precision corn seeder adopting one man operation and aims to control plant spacing and depth of seeding precisely. The precision corn seeder comprises a seed guide pipe device, a plant spacing adjusting device, a seeding port controlling device and a handle, wherein the seed guide pipe device comprises a seed guide pipe and a seed feeding box; the plant spacing adjusting device comprises a plant spacing adjusting inner pipe, a plant spacing adjusting outer pipe, a front support rod, a seed hole positioning rod, a fastening screw, a U-shaped connecting piece and a rotating shaft; the rear part of the plant spacing adjusting inner pipe is inserted into the plant spacing adjusting outer pipe, the front end of the plant spacing adjusting inner pipe extends out and is welded with the front support rod; the fastening screw is mounted at the front end of the plant spacing adjusting outer pipe, and the rear end is welded with the upper part of a front baffle of a seeding port assembly; the seed guide pipe is sleeved with the U-shaped connecting piece, inner sides of the front ends of two arms of the U-shaped connecting piece are welded with the plant spacing adjusting outer pipe and the upper end of the front baffle of the seeding port assembly, and two arc-shaped sides at the rear ends are mounted on the rotating shaft through hole punching; the rotating shaft is welded at the lower end of the seed guide pipe; the seeding port controlling device comprises the duckbill seeding port assembly, a seeding depth controlling plate, a spring upper stop lever, a spring and a forward-pushing-to-position rod; the duckbill seeding port assembly comprises the front baffle, a rear baffle and side baffles.
Owner:WHEAT RES INST OF AGRI SCI

Spring energy-storage brake cylinder restorer

The invention provides a spring energy-storage brake cylinder restorer which comprises a bracket, a force application component arranged on the bracket and a positioning and clamping component, wherein the force application component comprises a force application screw rod and a screw rod nut matched with the force application screw rod for use and fixedly arranged on the bracket; a hollow sleeve is welded on the lower end of the force application screw rod; the lower end of the hollow sleeve is provided with a thrust bearing; a spring energy-storage brake cylinder is arranged between the thrust bearing and the positioning and clamping component. The restorer is accurate in positioning and high in reliability; the frame-type bracket is beneficial to operations such as disassembly, assembly and adjustment of the brake cylinder, and also can be used for preventing parts from popping up to hurt people; an inverted conical positioning base can be used for effectively preventing a brake cylinder body from moving laterally; the force application screw rod serving as a force application instrument for overcoming a spring force is capable of flexibly regulating the pressing force; the thrust bearing is used, so that the rotation resistance of the screw rod is reduced, and the operation is flexible and convenient; the restorer has safety and reliability and is flexible and convenient in use and low in cost.
Owner:JIGANG GRP

Method for preparing hyperelastic silicon oxide nano ceramic aerogel based on graphene as template

The invention relates to the technical field of ceramic preparation, in particular to a method for preparing hyperelastic silicon oxide nano ceramic aerogel based on graphene as a template. The preparation method comprises the following steps: firstly, carrying out hydrothermal treatment, freeze drying and thermal annealing treatment on a graphene oxide solution with a certain concentration to prepare porous graphene aerogel; then, depositing organic silicon sources with different concentrations on the graphene aerogel through vapor deposition, completely attaching organic silicon to the surfaces of inner and outer graphene sheet layers through a vacuum auxiliary means, and forming a framework and organic silicon two-phase body; then heating and curing to form an interlayer bracket composite aerogel; and finally, heating the aerogel composite material in an air or oxygen flowing atmosphere to obtain the superelastic silicon oxide nano ceramic aerogel. The preparation method has the beneficial effects that the superelastic silicon oxide nano ceramic aerogel prepared by taking the graphene aerogel as a template has the characteristics of flexibility, light weight, high purity and superelasticity; and the method has the advantages of simple preparation process, low cost, easy control of preparation conditions, short synthesis period, low energy consumption and the like.
Owner:LANZHOU UNIVERSITY

High-efficiency cotton picker head

The invention relates to a high-efficiency cotton picker head, a plurality of supporting frames are arranged around one end of a hard pipe material, a cotton picking claw assembly is arranged on each supporting frame, a sliding slot is arranged at the axial position of each cotton picking claw corresponding to the hard pipe material, a slide block is placed in each sliding slot, the slide blocks are connected to the mouth of a hard pipe through springs, external power is transmitted to the mutually linked cotton picking claw assemblies through a gear box, the cotton picking claw assemblies simultaneously and relatively rotate at the mouth of the hard pipe material to pick cotton approaching the cotton picking claw assemblies, and the picked cotton is output from the other end of the hard pipe material.
Owner:孙骏

Lead crimping device

The invention belongs to a tool of power substation, in particular to a lead crimping device which comprises a vehicle body (1), a handle (9), universal wheels (19), a hydraulic jack (16), a motor seat (5), a motor (12), a motor switch (13), a valve (6) and a valve seat (7). The middle inside the vehicle body (1) is provided with a separator (4), the motor seat (5) is fixed on the right side of the separator (4), and the motor (12) and the valve (6) are fixed on the motor seat (5). Cable hangers (10) are fixed outside two vertical frames of the handle (9), a removable hydraulic jack seat (14) is disposed on the left side of the separator (4), and a fixed hydraulic jack seat (15) is arranged in the middle position. The inside of the vehicle body (1) is further provided with a fixed tool box (2) and a removable tool box (3). The lead crimping device has the advantages of agile, light and convenient use, low cost and convenient movement, thereby relieving the manual labor, shortening the operation time and improving the work efficiency and the safety of operation.
Owner:FUXIN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER

Window ascending-descending device

InactiveCN109184436ASmall structural state effectsSmall visual deviationPower-operated mechanismWing arrangementsEngineeringGlass window
The invention relates to the technical field of window ascending and descending, in particular to a window ascending-descending device. The window ascending-descending device comprises a fixed glass window body; the fixed glass window body is fixedly disposed in a wall surface; a movable glass window body is disposed below the fixed glass window body; upper suspension shafts are disposed on the left side and the right side of the upper end surface of the movable glass window body correspondingly; the other ends of the two upper suspension shafts are disposed on travelling trolleys correspondingly; the travelling trolleys are disposed in track grooves in an H-beam cavity; the H-beam cavity is fixedly disposed on the wall surface; the movable glass window body is disposed in the H-beam cavity; the travelling trolleys are connected with driving systems in a matched mode; and the driving systems are disposed above the fixed glass window body. By means of the window ascending-descending device, the glass wall can keep a relatively independent environment characteristic, which a common building wall structure is supposed to achieve, of the indoor space and the outside and can extremely conveniently achieve indoor and outside communication through local movement so as to achieve the comfortable state that people and nature are integrated.
Owner:HEILONGJIANG AGRI MACHINERY REPAIR INST

Multifunctional portable intertilling, soil moisture preserving, fertilizing machine

A portable multi-functional cultivation soil moisture preservation fertilizer placement drill is provided, which aims at achieving high operation efficiency, low cost, portability, practicality and free from traction by power. The invention comprises a dressing device, a cultivation device, a prong, a frame and a land wheel; wherein, the frame is shaped similar as T, which has a vertical pole and a horizontal pole; the land wheel is arranged at front end of the horizontal pole and the prong is positioned at rear end of the horizontal pole; an armrest is arranged at upper end of the vertical pole. The dressing device comprises a fertilizer box and fertilizing components, wherein, the fertilizing components comprises a fertilizer transit box, a fertilizing tube, a casing and a fertilizing ditch pipe; the fertilizer transit box is adhered tightly to exit of the fertilizer box; the fertilizing tube is connected with the fertilizer transit box with its upper end and is connected with the fertilizing ditch pipe with its lower end; the fertilizing ditch pipe is mounted inside the casing which is fixed on the frame horizontal pole; the cultivation device comprises a fixed plate, a breadth adjusting plate, three ploughshare arms and a ploughshare; the ploughshare arm in the middle is fixed on the frame horizontal pole and that at two sides is respectively mounted through the fixed plate and the breadth adjusting plate.
Owner:WHEAT RES INST OF AGRI SCI +1

Backpack type electric airflow picking machine for cotton fruits and method for same

The invention relates to the technical fields of harvesting and picking devices for cotton crop fruits, in particular to a backpack type electric airflow picking machine for cotton fruits. The backpack type electric airflow picking machine comprises a direct current motor structure, a rectifying fan structure, cotton pulling wheels, a structure of a driving wheel capable of driving a chain belt type filter screen to rotate, a structure of the chain belt type filter screen and an adjusting wheel rotating along with the driving wheel. The backpack type electric airflow picking machine is characterized by comprising an entire machine casing, and a direct current motor, a rectifying fan, a chain belt type filter screen device, upper and lower cotton pulling wheels, an inverted U-shaped wind shield and an elastic wind shield which are arranged in the entire machine casing as well as an aspirated-air type cotton picking manipulator connected onto an air cotton interface on the casing. The backpack type electric airflow picking machine disclosed by the invention has the advantages of reliability, portability, simpleness and convenience for repairing, maintaining and charging, small size, light weight, lightness and flexibility for operation, reliability and durability for use, continuousness in picking, high quality of picked cotton and high grade of the obtained cotton.
Owner:徐森良

Heat-dissipation combat clothing

The invention provides heat-dissipation combat clothing, and belongs to the technical field of temperature regulation equipment. The heat-dissipation combat clothing is used for cooling a driver in a tank armored vehicle and comprises a Stirling engine, a storage device, a combat clothing main body, refrigeration pipelines, a hydraulic pump and a power supply; the heat absorption end of the Stirling engine is connected with the storage device and used for conducting heat exchange with the storage device; the storage device is connected with the heat absorption end, a cooling fluid is stored in the storage device, and the cooling fluid is cooled under the action of the heat absorption end; the combat clothing main body is used for being worn by a user; the refrigeration pipelines are arranged on the combat clothing main body and connected with the storage device in parallel to form a loop, and the loop is used for circulation flow of the cooling fluid; the hydraulic pump is connected to the loop and used for enabling the cooling fluid to circularly flow in the loop; and the power supply is connected with the Stirling engine and the hydraulic pump and used for supply power to the Stirling engine and the hydraulic pump. The heat-dissipation combat clothing has the beneficial effects of being small in size, low in power consumption, portable and flexible to use and good in heat dissipation effect and safety performance.
Owner:章晓晓

Preparation method for novel foam carbon electromagnetic shielding composite material

The invention discloses a preparation method for a novel foam carbon electromagnetic shielding composite material. The preparation method comprises the following steps of: pretreating melamine foam, carbonizing the melamine foam to prepare foam carbon, preparing a reaction solution of Fe3O4 nano particles, preparing a Fe3O4 nano particle / foam carbon reaction mixed solution, and conducing drying toobtain the prepared Fe3O4 nano particle / foam carbon composite material. According to the preparation method for the novel foam carbon electromagnetic shielding composite material, Fe3O4 nanoparticlesand flexible foam carbon are compounded to obtain the flexible light electromagnetic shielding composite material with excellent electromagnetic shielding performance, so that the Fe3O4 nanoparticlescan be uniformly dispersed.
Owner:XIAN UNIV OF TECH

Single-chip insulator transfer device and use method thereof

The invention relates to a single-chip insulator transfer device and a use method thereof. The single-chip insulator transfer device comprises a hanging ring, a bushing, handles, clamp pins, springs and supporting rods. The hanging ring is fixedly connected on the top part of the bushing. The head ends of the clamp pins are contacted with the spherical head of an insulator. The clamp pins penetrate through the wall of the bushing. The tail ends of the clamp pins are flexibly hinged with the bottom ends of the handles. The springs are arranged between the clamp pins and the bushing. One end of each supporting rod is fixedly connected with the external wall of the bushing, and the other end is flexibly hinged with the handles. When the single-chip insulator requires to be transferred, a transfer rope is tied on the hanging ring, the bottom part of the bushing sleeves outside the spherical head of the single-chip insulator, the handles are held to press to the center of the bushing, the handles rotate with the supporting rods acting as the support, the springs contract, the clamp pins contract, the bushing downwardly inserts into the single-chip insulator continuously, then the handles are released and the head ends of the clamp pins abut against the bottom part of the spherical head so that the transfer device and the single-chip insulator are enabled to be fixed. The advantages are that the device is simple in structure, flexible and light and convenient to use and high in safety so as to enhance the work efficiency.
Owner:CHAOYANG POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +1

Preparation process of a flexible bullet-proof and stab-proof structure

ActiveCN106003759BLess porosityExcellent bulletproof and anti-stab comprehensive performancePliabilityHot melt
The invention relates to a preparing technology for a flexible bullet-proof and piercing-proof structure. The preparing technology specifically comprises the following preparing steps that firstly, a protection composite particle material is prepared; secondly, base cloth is laid between two sets of injection molds of an injection molding machine, the protection composite particle material is arranged on the two sides of the base cloth in an injection molding manner through the injection molds at the same time, the protection composite particle material is subjected to hot melting, seeps into a base cloth layer and then is cured to form a two-face protection material layer, mold opening is conducted, after the base cloth of an injection molding part is downwards transmitted, the base cloth is tensioned, and then injection molding is conducted; and thirdly, a flexible gap is machined. The structure of the product prepared through the preparing technology has excellent bullet-proof and piercing-proof performance and also has improved flexibility performance. A thermoplastic material and an enhanced material composite material are arranged on the adopted base cloth in an injection molding manner, the thermoplastic material and the enhanced material composite material are subjected to hot melting, seep into the base cloth layer and then are cured to form the two-face protection material layer, gaps among particles of the thermoplastic material and the enhanced material composite material can be eliminated, and the structure is compact and has more excellent bullet-proof and piercing-proof performance; and in addition, the preparing technology is simple, and the production efficiency is high.
Owner:SUZHOU GAOJIA PROTECTION TECH CO LTD

Preparation method of eco-friendly degradable wall covering fabric

The invention provides a preparation method of an eco-friendly degradable wall covering fabric and belongs to the technical field of wall covering fabrics. The preparation method solves the technical problem that the existing wall covering fabric is too soft, has high difficulty of attachment to the wall and can bring the health hazard for a user. The preparation method comprises taking an appropriate amount of domestic animal skin, cleaning and chopping the domestic animal skin, then adding an appropriate amount of water into the skin, heating the skin until boiling, stopping heating after heating for a few seconds, filtering fat flotage in the supernatant through a filter screen, carrying out heating boiling until the solution forms a white pasty concentrated solution, filtering the hot white pasty concentrated solution, removing filter residues, taking the filtrate as a domestic animal skin solution, immersing a natural fiber fabric in the domestic animal skin solution at a temperature of 45 to 60 DEG C, taking out the natural fiber fabric fully impregnated with the domestic animal skin solution, putting the natural fiber fabric on a smooth glass plane, slicking the natural fiber fabric with a scraper blade, carrying out natural air drying at the room temperature, and tidily cutting the flat natural fiber fabric to obtain the eco-friendly degradable wall covering fabric.
Owner:杭州知合纺织有限公司

Eccentric butterfly valve

The invention discloses an eccentric butterfly valve comprising a valve rod, a butterfly plate and a valve body, wherein the valve rod is installed on the valve body through a channel of the valve body, and provided with the butterfly plate; the bottom of the valve rod is provided with a water pilot bearing, and the middle part of the valve rod is provided with the butterfly plate arranged in the channel and comprising a mounting hole and a convex; the mounting hole arranged on the butterfly plate is installed on the valve rod, and the axis of the mounting hole, the vertical center line of the butterfly plate convex and the center line of the valve channel are non-intersect; the convex is circular, and the sealing surface of the convex is cambered in a top view. The invention technically aims to provide an eccentric butterfly valve with the advantages of high reliability, small torque for opening and closing the valve, reliable sealing and long service life of a seal.
Owner:CHENGDU DESHANNENG TECH CO LTD

Intelligent business luggage case

InactiveCN105595579AReduce volumeRealize online officeLuggageOther accessoriesTerrainElectricity
The invention discloses an intelligent business luggage case. The intelligent business luggage case comprises a storage box and an electronic lock arranged on the surface of the storage box, wherein a brake rotary knob is mounted on a side wall of the storage box; a rolling wheel is mounted on one side of the brake rotary knob; a vibration-absorption tire is arranged on the surface of the rolling wheel; a positioning groove is formed in the rolling wheels and a connection shaft is mounted at the top of the positioning groove; the tail end of the connection shaft is connected with a multifunctional box; a wireless transmitter is arranged on a side wall of the multifunctional box; a charging socket is mounted on one side of the wireless transmitter; a pulling rod is mounted at one end of the multifunctional box; and a retractable button is arranged on the surface of the pulling rod. The luggage case disclosed by the invention adopts a cylindrical structure and can be adapted to a plurality of types of terrain environments; the needed tensile force is small so that the luggage case is rapid to use in a labor-saving manner; a special electronic equipment storage place is arranged so that a user can put a notebook computer, a tablet personal computer, a cell phone and the like into the place; the charging socket is arranged so that the user does not worry about that electronic equipment is powered off in a travelling process; and the wireless transmitter is arranged inside the luggage case so that business people can realize online working and entertainment in the travelling process.
Owner:PINGHU DAMING LEATHER

Multifunctional portable single-person electric trolley

The invention discloses a multifunctional portable single-person electric trolley. The trolley comprises a frame, a handlebar, a rotating shaft, a bearing seat, a bearing, a front wheel, a pair of rear wheels, a seat and a support rod, the trolley also comprises a hub motor, a hub motor controller and a power supply, a cover piece is arranged on the upper end surface of the frame, the edge of thecover piece extends to the edge of the frame, the contour of the edge of the cover piece adapts to a frame edge contour, the upper portion of the rotating shaft is provided with a first folding hingewith a locking mechanism, the rotating shaft can be folded in the direction close to the cover piece around the first folding hinge, the lower end of the support rod is connected with the frame through a second folding hinge with a locking mechanism, the front wheel is rotationally connected with the lower end of the rotating shaft through a shock absorber, the hub motor is arranged in the front wheel and is electrically connected with the hub motor controller, the power supply is fixed on the frame below the cover piece and is electrically connected with the hub motor controller through a wire, a control button is further arranged on the wire connected between the power supply and the hub motor controller, and the scheme is reliable in implementation and flexible in use.
Owner:FUJIAN UNIV OF TECH

Steering mechanism of three-wheel tractor

The invention relates to a steering mechanism of a three-wheel tractor. The steering mechanism comprises a steering wheel, a frame, a plane bearing, steering oil cylinders and a U-shaped fork, whereinthe plane bearing comprises a bearing seat, a drive disk arranged on the upper part of the bearing seat as well as a driven disk and roll balls arranged on the lower part of the bearing seat; the lower part of the U-shaped fork is connected with the steering wheel, and the upper part is connected with the driven disk with a roller path; the frame is connected with the bearing seat which is arranged between an upper roller path and a lower roller path and provided with a radial shaft shoulder; the roll balls are respectively arranged among the a roller path of the driving disk, the upper roller path and the lower roller path of the bearing seat and the roller path of the driven disk; the driving disk and the driven disk are connected through a fastening piece, and an adjustment spacer is arranged between the driving disk and the driven disk; the two steering oil cylinders are symmetrically distributed at both sides along the longitudinal center of the tractor; one end of each steeringoil cylinder is hinged on the frame, while the other end is hinged on the driving disk; and front oil cavities and rear oil cavities of the two steering oil cylinders are connected in series through ahydraulic oil pipe. The invention has the characteristics of safety, reliability, flexible and light operation and high connecting strength and rigidity.
Owner:CHANGZHOU DONGFENG AGRI MACHINERY GROUP
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