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33results about How to "Realization gap" patented technology

Linkage type liquid dead-corner-free cleaning device for medical disinfection instruments

The invention provides a linkage type liquid dead-corner-free cleaning device for medical disinfection instruments, relates to the technical field of medical equipment, and solves the problems that jet cleaning and rotary cleaning cannot be realized through structural improvement and organic combination of jet cleaning and rotary cleaning cannot be realized through structural improvement. The linkage type liquid dead-corner-free cleaning device for the medical disinfection instruments comprises a box body, wherein a placing structure is arranged in the box body, and a cleaning structure is slidably connected to the box body. Due to the fact that the head ends of poke rods make contact with the top end face of a placing plate and the poke rods form a protruding extrusion structure, when a handle moves, reciprocating motion of the placing plate can be synchronously achieved, and then jet spraying at cleaning holes is achieved. Fourthly, bulges are welded on the placing plate in a rectangular array shape, the bulges are of semi-cylindrical structures, and the bulges welded in the rectangular array shape jointly form an auxiliary supporting structure of medical supplies, so that gaps can be reserved between the medical supplies and the cleaning holes.
Owner:TIANJIN YUPING INSTR TECH CO LTD

Electromagnetic caliper type brake

An electromagnetic caliper type brake belongs to the technical field of brakes and comprises a movable disc, a static disc, an electromagnetic coil, a braking spring, a brake caliper, a left friction plate, a right friction plate, a mounting seat and a guide rod. The electromagnetic coil and the braking spring are respectively disposed in the static disc, the braking caliper is fixed with the static disc, the left friction plate is attached onto the inner side of the movable disc, the right friction plate is attached on the inner side of the brake caliper, the mounting seat is used for being fixed with a traction machine, and the guide rod is penetratingly arranged in a mounting hole of the brake caliper and fixed with the mounting seat. The electromagnetic caliper type brake is characterized in that a lining ring is disposed in the mounting hole of the braking caliper, a steel ball retainer is sleeved on the guide rod, a steel ball on the steel ball retainer is respectively in rolling fit with an inner peripheral surface of the lining ring and an outer peripheral surface of the guide rod, so that the braking caliper can move in parallel relative to the guide rod, and the guide rod is provided with an anti-slipping mechanism which is used for preventing the steel ball retainer from slipping off from the guide rod. The electromagnetic caliper type brake has the advantages that automatic adjustment and equidistant division of clearances under optional states can be realized, safety of a braking system is improved, and the electromagnetic caliper type brake is convenient in maintenance.
Owner:SUZHOU TORIN DRIVE EQUIP

Compressor and air conditioner

The invention provides a compressor and an air conditioner. The compressor is applied to the air conditioner, the compressor comprises a shell, a first rotating shaft, a connecting assembly and a first rotor assembly, and the first rotating shaft is installed in the shell; the connecting assembly is arranged on the first rotating shaft in a sleeving manner; the first rotor assembly comprises a first rotor and a second rotor which are coaxially arranged on the connecting assembly, and the connecting assembly can bear the first rotor and the second rotor to rotate together around the first rotating shaft; and the connecting assembly is further configured to limit the relative positions of the first rotor and the second rotor, so that a gap is formed between the first rotor and the second rotor. According to the embodiment of the invention, the gap can be kept between the first rotor and the second rotor under the condition that the number of parts of the compressor is not increased.
Owner:GREE ELECTRIC APPLIANCES INC

Lightweight concrete building material and preparation method thereof

The invention belongs to the technical field of building material preparation, and particularly relates to a lightweight concrete building material and a preparation method thereof. According to the invention, red mud, coal ash, bentonite and glass powder are bonded through auxiliary hydroxypropyl methyl cellulose and polyacrylamide to prepare elastic particles, the elastic particles are foamed, expanded and dried due to the gas release of sodium bicarbonate at a high temperature, red mud ceramsite is formed by sintering at a high temperature of 1150 DEG C, and the micro-pores on the surface of the ceramsite are sealed based on the fluidity of the glass powder on the surfaces of the particles after burning out so as to obtain the light red mud ceramsite, wherein the obtained ceramsite hascharacteristics of light weight and good toughness, can substantially reduce the density of cement-based concrete so as to achieve light weight; and the obtained ceramsite is different from conventional foamed concrete, has characteristics of light weight and closed pores on the surface, does not adsorb inorganic gels so as to ensure the good lightweight, further has good strength and no surface gap, and further has characteristics of low water absorption rate and good strength in lightweight concrete building materials.
Owner:CHENDU NEW KELI CHEM SCI CO LTD

Road marking device

The invention provides a road marking device, and particularly relates to the technical field of road construction equipment. The road marking device comprises a vehicle body, wherein a material box is arranged at one end of the vehicle body; the other end of the vehicle body is of a U-shaped opening structure; a first roller is movably arranged in the U-shaped opening of the other end of the vehicle body; a heating device is arranged on the vehicle body between the material box and the first roller, and comprises a heating box and a material guide box; a material conveying pipe is arranged atone side wall of the heating box; a material guide box is arranged at the side wall of the heating box opposite to the material conveying pipe; a second roller is arranged on the vehicle body at theother end of the material guide box, and is movably arranged in the U-shaped opening of the other end of the vehicle body; a first adjusting rod and a second adjusting rod are also arranged in the U-shaped opening of the other end of the vehicle body; a scraping plate is arranged at the opening of the other end of the vehicle body. The road marking device has the advantages that the marking position can be conveniently adjusted, the fluidity of coating can be improved, the excessive coating stuck onto the first roller can be adjusted and scraped, and the like.
Owner:合肥银创宏达机器人有限公司

High-dielectric-material super capacitor with porous structure

The invention discloses a high-dielectric-material super capacitor with a porous structure. The high-dielectric-material super capacitor comprises a porous-metal high-dielectric-material composite substrate, a low-melting-point metal medium, a sealed container, a positive electrode and a negative electrode, wherein the porous-metal high-dielectric-material composite substrate is a porous material formed by depositing one layer or multilayer of high dielectric materials on the surface of a foam metal framework; the porous-metal high-dielectric-material composite substrate is soaked in the low-melting-point metal medium and is packaged in the sealed container; and the porous-metal high-dielectric-material composite substrate is connected with the positive electrode; a conductive liquid medium is connected with the negative electrode so as to form the super capacitor for accumulating electric energy. According to the high dielectric material super capacitor provided by the invention, a capacitor with high capacity can be realized by utilizing the very large surface area of the porous electrode and the high dielectric coefficient of BaTiO3 or CaCu3Ti4O12, so that the problem of low working voltage of the existing super capacitor is solved. Therefore, the capacitor can obtain an extremely high energy accumulation density.
Owner:符建

Preparation method of wood-organic-inorganic hybridized nano composite material based on doped nano POSS (Polyhedral Oligomeric Silsesquioxane)

The invention provides a preparation method of a wood-organic-inorganic hybridized nano composite material based on doped nano POSS (Polyhedral Oligomeric Silsesquioxane), which relates to a preparation method of a composite wood material. The preparation method disclosed by the invention solves the technical problems that the heat stability and the impact toughness of a wood-organic-polymer composite material is poor and low, and the mechanical property of a wood-inorganic (nano) composite material is poor. The preparation method disclosed by the invention comprises the following steps of: firstly, dissolving nano POOS (containing an organic amine function group) into a monomer solution and compounding an initiator and a cross-linking agent with the monomer solution to form an impregnation solution; after wood is placed into the impregnation solution and then is placed into a reaction tank, sealing and vacuumizing the reaction tank, removing vacuum of the reaction tank, and pressurizing the reaction tank by air; reducing the pressure of the reaction tank to normal pressure, taking out the wood, and covering the impregnated wood by aluminum-foil paper; and heating the wood, removing the aluminum-foil and continuously heating the wood, thus obtaining the wood-organic-inorganic hybridized nano composite material. The compatibility between a wood substrate interface and a polymer of the wood-organic-inorganic hybridized nano composite material is good, and the wood-organic-inorganic hybridized nano composite material has the advantages of good mechanical strength, heat stability, dimension stability, and corrosion resistance.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Rust removal guiding device

The invention provides a rust removal guiding device, and belongs to the technical field of steel bar truss machines. The device comprises a dust removing mechanism, a returning mechanism and a rust removal clearance adjusting mechanism; a first rust removing wheel of the rust removing mechanism is rotatably arranged at one side of a first rust removing wheel support; a second dust removing wheel is rotatably arranged at one side of a second dust removing support; a first sector gear connected with a first rotating shaft is engaged with a second sector gear which is connected with a second rotating shaft; a cylindrical sliding block of the returning mechanism is arranged in a fixing support by sliding leftwards and rightwards; a left returning spring is arranged between a left adjusting plug and the cylindrical sliding block, and while a right returning spring is arranged between the right adjusting plug and the cylindrical sliding block; a clearance adjusting plate of the dust removal clearance adjusting mechanism can swing up and down about a hinging point at the left end; the lower end of a compressing lead screw is in coaxial threaded connection with the second rotating shaft; a butterfly gasket, an adjusting spring and a locking nut are arranged at the upper end of the compressing lead screw. The rust removal guiding device is small in size, and can effectively remove rust on a steel bar.
Owner:ZHEJIANG WILLING TECH +1

Large workpiece positioning and clamping system and method

The invention discloses a large workpiece positioning and clamping system. The system comprises a clamping platform, a plurality of adjustable sizing block structures, a plurality of free vices and spherical washers, wherein the adjustable sizing block structures are used for supporting and leveling a workpiece and are circumferentially distributed around the workpiece at intervals; the spherical washers are mounted at the tops of the adjustable sizing block structures; the bottoms of the adjustable sizing block structures are directly mounted on the clamping platform or mounted on the clamping platform through a supporting structure; the free vices are used for applying pressure to the outer side surface of the workpiece so as to straighten the workpiece, the free vices are distributed around the workpiece at intervals in the circumferential direction, the free vices are directly mounted on the clamping platform or mounted on the clamping platform through the supporting structure, and the force application ends of the free vices are tightly pressed on the outer side surface of the workpiece through the spherical washers. The invention further provides a clamping method. The large workpiece positioning and clamping system has the beneficial effects that the free vices are matched with the adjustable sizing block structures, so that effective and reliable supporting and clamping force can be provided, and positioning and clamping of a large workpiece are achieved.
Owner:中冶南方(武汉)重工制造有限公司

Hot gas distributor for active control over turbine gap, platform and method

The invention relates to a hot gas distributor for active control over a turbine gap. The hot gas distributor comprises a plurality of jet tubes surrounding an outer casing and at least one gas collecting cavity extending in the axial direction of the outer casing; the jet tubes are provided with a plurality of vent holes at least partially facing the outer casing, each gas collecting cavity is provided with an inlet and an outlet, the gas collecting cavities are in communication with the jet tubes, and when hot gas flows in from the inlets of the gas collecting cavities and flows out from thevent holes of the jet tubes, the outer casing can swell in the axial direction of the outer casing to change the blade tip gap between a movable blade in the outer casing and the outer casing. According to the hot gas distributor, the hot gas is introduced into the gas collecting cavities and is then distributed to the jet tubes at all positions, the hot gas is discharged out through air holes inthe jet tubes, the outer casing of a turbine test piece is impacted, the outer casing is heated to expand, the purpose of changing the blade tip gap is achieved, and the significant advantage of being controllable in gap change is achieved.
Owner:AECC SHENYANG ENGINE RES INST

Swing type stepless rack locking device

The invention provides a swing type stepless rack locking device which comprises an oil cylinder base. The oil cylinder base is connected with a swing oil cylinder through a hinge shaft. The piston end of the swing oil cylinder is connected with the top end of a swing arm through a first pin shaft. One end of the bottom of the swing arm is hinged to a second pin shaft. The other end of the bottomof the swing arm is connected with a locking oil cylinder through an oil cylinder installing base. A slideway is arranged on the bottom of the swing arm. One end of a spring is connected to one end, close to the second pin shaft, of the slideway. A first rack is arranged in the slideway and located at the other end of the spring. A second rack is arranged below the first rack. According to the device, the oil cylinder drives the swing arm to swing, the first rack slides in the slideway linearly and is engaged with the second rack, and a gear and rack transmission mechanism can be locked reliably at any position, and does not shift under the circumstance of bearing large impact load. The locking device has the advantages that use is easy, stepless locking is achieved, locking is reliable, and manual intervention is not needed.
Owner:CHINA NAT HEAVY MACHINERY RES INSTCO

Equipment for assembling automobile pedal assembly

ActiveCN105522379AEliminate motion idle travelReduce brake softnessVehicle componentsMetal working apparatusElectricityDisplay device
The invention provides equipment for assembling an automobile pedal assembly. The equipment for assembling the automobile pedal assembly comprises a body and a display device, wherein the body comprises a base; a support for fixing a brake pedal assembly is arranged at one end of the base; a driving motor is arranged at the other end of the base, and is vertically and downwards arranged above a brake pedal correspondingly; a pressure sensor is arranged on an outputting shaft of the driving motor; the display device comprises a digital display instrument; and the digital display instrument is respectively connected with the driving motor and the pressure sensor electrically through a control module. By the clamp, an assembling process of the pedal assembly is monitored in real time, gaps does not exist among moving pieces after the brake pedal assembly is assembled, movement idle stroke of the brake pedal is eliminated effectively, the circumstance that a whole automobile brakes softly or too flexibly is reduced, and running safety is improved.
Owner:DONGFENG SHIYAN BODY PART CO LTD

Method for preparing nanometer SiO2 doped wood-organic-inorganic hybrid nanometer composite material

The invention discloses a method for preparing a nanometer SiO2 doped wood-organic-inorganic hybrid nanometer composite material, and relates to a method for preparing a wood composite material. The method is invented for solving the technical problems that the wood-organic polymer composite material is poor in thermal stability, low in impact toughness and poor in the mechanical property of the wood-inorganic (nanometer) composite material. The method comprises the following steps of: firstly, ultrasonically dispersing nanometer SiO2 (unsaturated double bonds on the surface) into a monomer solution; compounding an initiator and a crosslinking agent to form an impregnation liquid; putting wood into the impregnation liquid and placing the impregnated wood into a reaction kettle; after the reaction kettle is hermetic, vacuumizing the reaction kettle; releasing the vacuumization, and then pressurizing by air; reducing the pressure to the constant pressure; taking out the wood; covering the impregnated wood by an aluminum-foil paper; heating the impregnated wood covered by the aluminum-foil paper; removing the aluminum-foil paper; and further heating the wood to prepare the composite material. The polymer in the wood-organic-inorganic hybrid nanometer composite material is well compatible to a wood substrate interface, so that the prepared composite material is high in mechanical strength, heat stability, size stability and anti-corrosion performance.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Drill bit connecting device for oil exploitation

The invention relates to a drill bit connecting device for oil exploitation. The drill bit connecting device comprises a connecting rod, a rotating rod, a positioning mechanism and a fixing mechanism, wherein the positioning mechanism comprises a positioning assembly and a centering assembly, the fixing mechanism comprises a fixing assembly and an auxiliary assembly, the fixing assembly is arranged on the connecting rod, the auxiliary assembly is arranged on the fixing assembly, and the auxiliary assembly is connected to the fixing assembly. According to the drill bit connecting device for the oil exploitation, through cooperation of the fixing mechanism and the positioning mechanism, the positioning effect is improved, installing of the rotating rod is facilitated, the rigidity of the rotating rod is enhanced, the rotating rod rotates more stably, friction between the rotating rod and the inner wall of a positioning groove is reduced, the service life is prolonged, the rotating rod can be disassembled under the condition that no disassembling tool is carried, the convenience is improved, the loosening condition of a moving ring can be concerned at any time through a knocking unit, and the use practicability is improved.
Owner:广州文硕石油有限公司

A kind of screw removal tool and its use method

The invention provides a screw removal tool and a method of using the same. The tool includes a removal mechanism, a clamping mechanism and a locking mechanism. The removal mechanism includes a shaft sleeve and a rotation control assembly. The shaft sleeve is arranged on a device to be The screw position is disassembled, and the rotation control assembly is threadedly connected with the inner wall of the shaft sleeve; the clamping mechanism includes clamping assemblies arranged on the shaft sleeve and located on both sides of the shaft sleeve; the locking mechanism is arranged at a distance from the clamping assembly. on one end of the shaft sleeve. The use method includes step S1 that the clamping member clamps the screw to be disassembled; step S2 locking mechanism circumferentially locks the clamping assembly and the disassembly mechanism on the equipment; step S3 synchronously rotates the rotating handle and loosens the handle to eliminate the clamping assembly Clearance between the device and the device; complete the screw removal operation through step S4. The invention solves the problem that the existing screw removal tool needs to unscrew the screw in advance and use the vacated threaded hole to provide a fulcrum for the tool, the threaded hole is not damaged, and the operation is convenient.
Owner:CHANGSHA AERONAUTICAL VACATIONAL AND TECHNICAL COLLEGE

Full-sealing induction type electronic thermometer specially used in hospital

The invention discloses a full-sealing induction type electronic thermometer specially used in the hospital. The full-sealing induction type electronic thermometer specially used in the hospital comprises a main body, a printed circuit board, a temperature detecting device and a display device, wherein the main body is provided with a measurement end and a closing end, the printed circuit board is arranged in a cavity of the main body, the temperature detecting device is arranged at the detecting end of the main body and is electrically connected with the printed circuit board, the display device is arranged on the main body and is electrically connected with the printed circuit board, the printed circuit board is provided with a reed pipe used for controlling the connection and disconnection of the circuit of the printed circuit board, and the temperature detecting device is a thermistor arranged at the detecting end. According to the full-sealing induction type electronic thermometer specially used in the hospital, due to the fact that the reed pipe encapsulated in the main body of the electronic thermometer is used as a control switch, the size of the whole thermometer can be effectively reduced; a rear end cover and a main shell body are fused together by means of techniques such as microwave baking to achieve good sealing performance, so that immersion disinfection is possible; due to the fact that a structure with traditional sound warning replaced with lamplight warning is adopted, noisy sounds are eliminated, and user experience is improved.
Owner:SHANGHAI JIAGE MEDICAL TECH DEV

Novel municipal engineering pavement brick

The invention discloses a new type of municipal engineering pavement brick, which comprises a pavement brick body, in which two layers of supporting steel mesh are arranged; a water guide pipe is arranged between the two layers of supporting steel mesh; The upper edge of the pavement brick body is evenly provided with permeable holes; the left side of the pavement brick body is provided with three jacks; Simple, easy to install, good water permeability, anti-pressure, long service life, and stable structure.
Owner:ANHUI PUSHI ECOLOGICAL ENVIRONMENT ENG

Textile cutting device

The invention discloses a textile cutting device which comprises a base, wherein an operation table is fixedly connected to the bottom of the base, a controller is fixedly connected to the right side of the front face of the operation table, a driving frame is arranged on two sides of the operation table, a cutting device is arranged on the left side of the top of the driving frame, a protection device is fixedly connected to the top of the operation table, sliding grooves are formed in two sides of the protection device, and the sliding grooves penetrate through the middle of the driving frame. The invention relates to the technical field of textiles. According to the textile cutting device, through arrangement of the protection device, the cutting device and the operation table, the cutting device conducts cutting on the operation table, and a gap is formed between a cutter and the operation table during cutting, so that scratches on the operation table caused by the cutter are avoided; through arrangement of the driving frame, the cutting shape can be conveniently changed during cutting, the cutter can be conveniently replaced, wrinkles can be removed, and thus the cutter is prevented from being damaged in a lifting process, and the support of the cutter is further increased.
Owner:韩文杰

Cotton conveying pipeline connecting device based on improvement of bundling seal degree of packaging machine

The invention discloses a cotton conveying pipeline connecting device based on improvement of the bundling seal degree of a packaging machine. The connecting device structurally comprises a clamping structure, a connecting ring, and a pipeline structure; the clamping structure is provided with the pipeline structure, the connecting ring is in buckled connection with the pipeline structure, the clamping structure is composed of a lock rod, a clamping plate and a lock bolt, the lock rod is in threaded connection with the lock bolt, and the lock rod is embedded on the clamping plate, the connecting ring comprises a pressing ring, and a connecting ring body. Cotton passing through a cotton cleaner passes through the connecting device to enter a packaging machine to be packaged, after binding,a worker rotates a lock bolt to achieve the aim that a clamping plate presses a pressing plate to drive a cotton extruding structure to move, the cotton cleaner moves to drive the connecting device tomove, the aim that a cotton extruding structure slides to the end of the connecting ring to further push cotton on a binding opening into a packaging bag is achieved, and the phenomena that due to much bagged cotton storage amount and fluffy cotton, binding is not sealed, and in the subsequent carrying process, cotton fibers fall off from the binding opening are avoided.
Owner:谢燕玲

A fixing device for transformer copper bars

The invention discloses a fixing device for a transformer outgoing copper bar and a fixing method thereof and belongs to the technical field of transformer outgoing copper bar fixing. The fixing device is characterized in that a convex mounting plate is matched with an insulating partition plate for use, the limiting and fixing effect on two copper bar bodies is achieved, the two copper bar bodiesare insulated, a limiting plate with a heat dissipation mechanism is installed on one side of the convex mounting plate through a fixing plate, and the fixing plate is installed on an outer side of the convex mounting plate in an embedded mode to further play a role in fixing the convex mounting plate and play a role in supporting the limiting plate with the heat dissipation mechanism. The fixingdevice is advantaged in that the horizontal position of the limiting plate is adjusted according to the thickness of the copper bar bodies, the limiting plate drives the heat dissipation mechanism toabut against outer side walls of the copper bar bodies, on one hand, the copper bar body fixing device is further suitable for fixing the copper bar bodies with different thicknesses, on the other hand, the copper bar bodies are cooled through contact connection of the heat dissipation mechanism.
Owner:玉环市梓鑫机械有限公司

Screw dismounting tool and using method thereof

ActiveCN113510659ASolve the problem that the screw needs to be unscrewed in advance to use the vacated threaded hole to provide a fulcrum for the toolIncrease contact surfaceWork holdersMetal-working hand toolsClassical mechanicsEngineering
The invention provides a screw dismounting tool and a using method thereof. The tool comprises a dismounting mechanism, a clamping mechanism and a locking mechanism, wherein the dismounting mechanism comprises a shaft sleeve and a rotary regulation and control assembly, the shaft sleeve is arranged at the position, where a screw is to be dismounted, of equipment, the rotary regulation and control assembly is in threaded connection with the inner wall of the shaft sleeve, the clamping mechanism comprises clamping assemblies arranged on the shaft sleeve and located on the two sides of the shaft sleeve, the locking mechanism is arranged at the end, away from the shaft sleeve, of the clamping assemblies, the using method comprises the following steps that S1, a to-be-disassembled screw is clamped by a clamping piece; S2, the clamping assemblies and the dismounting mechanism are annularly locked on the equipment through the locking mechanism; and S3, a rotating handle and an unscrewing handle are synchronously rotated to eliminate the gap between the clamping assemblies and the equipment, and the screw dismounting operation is completed through the step S4. According to the screw dismounting tool and the using method thereof, the problem that an existing screw dismounting tool needs to unscrew a screw in advance and provide a fulcrum for the tool through an empty threaded hole is solved, the threaded hole cannot be damaged, and operation is easy and convenient.
Owner:CHANGSHA AERONAUTICAL VACATIONAL AND TECHNICAL COLLEGE

Cold-resistant and heat-resistant cold and hot dual-purpose stainless steel composite pipe

The invention provides a cold-resistant and heat-resistant cold and hot dual-purpose stainless steel composite pipe, and relates to the technical field of stainless steel composite pipes. The cold-resistant and heat-resistant cold and hot dual-purpose stainless steel composite pipe comprises an inner pipe, the outer surface of the inner pipe is fixedly connected with a plurality of evenly-distributed spaced circular rings, the outer side walls of the spaced circular rings are sleeved with an outer pipe, and a first semicircular block is arranged on the rear side of the outer side wall of the outer pipe; a second semicircular block is arranged on the front side of the outer side wall of the outer pipe, clamping blocks are fixedly connected to the top and the bottom of the side, close to the second semicircular block, of the first semicircular block, and the gap between the inner pipe and the outer pipe is conveniently guaranteed by arranging the multiple spaced circular rings, the outer pipe, a heat preservation layer, the first semicircular block and the second semicircular block; and meanwhile, the heat preservation layer is arranged, heat preservation is achieved to a certain degree through the gaps and the heat preservation layer, and then cold resistance and heat resistance of the inner pipe are achieved.
Owner:JIANGSU QING YANG PIPE

Preparation method of wood-organic-inorganic hybridized nano composite material based on doped nano POSS (Polyhedral Oligomeric Silsesquioxane)

The invention provides a preparation method of a wood-organic-inorganic hybridized nano composite material based on doped nano POSS (Polyhedral Oligomeric Silsesquioxane), which relates to a preparation method of a composite wood material. The preparation method disclosed by the invention solves the technical problems that the heat stability and the impact toughness of a wood-organic-polymer composite material is poor and low, and the mechanical property of a wood-inorganic (nano) composite material is poor. The preparation method disclosed by the invention comprises the following steps of: firstly, dissolving nano POOS (containing an organic amine function group) into a monomer solution and compounding an initiator and a cross-linking agent with the monomer solution to form an impregnation solution; after wood is placed into the impregnation solution and then is placed into a reaction tank, sealing and vacuumizing the reaction tank, removing vacuum of the reaction tank, and pressurizing the reaction tank by air; reducing the pressure of the reaction tank to normal pressure, taking out the wood, and covering the impregnated wood by aluminum-foil paper; and heating the wood, removing the aluminum-foil and continuously heating the wood, thus obtaining the wood-organic-inorganic hybridized nano composite material. The compatibility between a wood substrate interface and a polymer of the wood-organic-inorganic hybridized nano composite material is good, and the wood-organic-inorganic hybridized nano composite material has the advantages of good mechanical strength, heat stability, dimension stability, and corrosion resistance.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
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