130results about How to "Easy to pave" patented technology

The invention relates to the technical field of road engineering, in particular to road engineering pavement asphalt paving equipment. The road engineering pavement asphalt paving equipment comprisesa base, a pressing roller is installed at the rear end of the lower surface of the base, and a vibration motor is installed at one side position, close to a pushing handle, of the upper surface of thebase; and a stirring bin is installed on the upper surface, on the front side of the vibration motor, of the base, a discharging pipe is connected to the lower end of the front surface of the stirring bin in a penetrating mode, and a sweeping mechanism is arranged at the front end of the base. According to the road engineering pavement asphalt paving equipment, the adjustable sweeping mechanism is additionally arranged, so that the road surface can be further cleaned when the road is laid, and the quality of asphalt paving is ensured; and a paving board is additionally arranged at the bottomof the device and is matched with a threaded rod and a servo motor for using so that the paving board can uniformly spread the discharged asphalt, the flatness and uniformity of asphalt paving are ensured, rolling of the asphalt by a compression roller in subsequent process is facilitated, the operation is simple and convenient, the cost is low, and the paving effect of the asphalt is good.

The invention discloses a cement pavement paving and maintaining all-in-one machine for road construction, and belongs to the field of road construction. A striker plate storage box is arranged on a vehicle body, the striker plate is pushed to an outlet of the striker plate storage box through the hydraulic cylinder c, the vacuum sucker sucks the striker plate, the cement material can be discharged to the position between the material blocking plates, the paving training is further improved, a film roller and a water tank are also arranged, and then, after the cement laying is completed, the cement pavement is subjected to water spraying and film covering operation, so the goal of maintaining the cement pavement is further achieved; and meanwhile, the cement discharging mechanism, the cement paving mechanism, the cement vibrating mechanism, the grinding mechanism and the leveling mechanism are matched for use, the device can automatically pave, gather, grind and flatten cement on a pavement, the purpose of efficiently and conveniently paving the cement is achieved, the structural design is simple and reasonable, the device has the advantage of quickly paving and maintaining the cement pavement, and the device is convenient and quick to use and suitable for application and popularization.

The invention discloses high-adhesion modified asphalt and a preparation method thereof, and belongs to the technical field of road engineering materials. The raw materials of the high-adhesion modified asphalt comprises 500 parts of base asphalt, 300-400 parts of an additive and 10-20 parts of composite reinforcing fibers, and the composite reinforcing fibers are prepared by compounding basalt fibers and polyester fibers and then being coated with base asphalt thin films. When preparing the high-adhesion modified asphalt, the composite reinforcing fibers are added, so that the adhesion, high-temperature stability, fatigue durability of asphalt pavements are greatly improved, and the asphalt has the properties of low-temperature crack prevention and reflection crack prevention. The tensile, shear, compressive and impact strength are effectively improved, and the thermal stability and low temperature resistance of the asphalt are improved.

The air-entraining thermal insulation board is produced with cement, flyash, pearlite or foamed bulk material, and water in certain proportion through mixing and other steps. The air-entraining thermal insulation board has air closing cavities in the diameter or equivalent diameter of 10-150 mm, the continuous length of 30-1000 mm, the ratio between the transverse projection length and the boardwidth of 50-75 % and volume accounting for 25-50 % of total board volume. The air-entraining thermal insulation board has light weight, high strength, and high thermal insulating effect. The production process has less steps, no any chemical foaming agent added and no pollutant and noise produced.

The invention discloses a rapid permeable brick used for a parking lot, and a laying method, belonging to the technical field of construction. The rapid permeable brick comprises a permeable brick body, and a permeable through hole is arranged in the middle of the permeable brick body. The rapid permeable brick is characterized in that convex edges are arranged at the lower part of the surrounding of the permeable brick body; shallow grooves are arranged in the middle of the convex edges; and four corners of the edges of the permeable brick body are chamfers with 45 degrees. The laying method comprises the following steps: a water storage macadam substrate is laid, the permeable bricks are tiled on the surface of the water storage macadam substrate, groove-typed seams and permeable seams formed by the shallow grooves are formed at the edge joint part of the adjacent permeable bricks; cement mortar is infused in limber holes at nodes connected with the four corners of the permeable bricks; macadam or fine stone concrete is filled in the groove-typed seams; and macadam or pebbles are filled into the permeable through hole in the middle of the permeable bricks. The rapid permeable brick used for a parking lot is low in cost and convenient in the laying method, and a large amount of rainwater can penetrate underground.

The invention discloses a fiberboard and a preparation method thereof. The fiberboard comprises first fiber layers and a second fiber layer, wherein the first fiber layers are arranged on the top surface and bottom surface of the second fiber layer; and the radial shadow shapes of the first and second fiber layers are the same. The preparation method comprises the following steps of: mixing low-melting point polyester fibers with spiral regenerated fibers and then opening the mixture, thus obtaining first mixed fibers; mixing the low-melting point polyester fibers with hemp plant fibers and then opening the mixture, thus obtaining second mixed fibers; carding the first and second mixed fibers into bundles and then spreading the mixed fibers uniformly, thus respectively obtaining the first fiber layers and the second fiber layer; paving the second fiber layer on one first fiber layer and then covering the second fiber layer with the other first fiber layer, thus obtaining a primary fiberboard; roasting the primary fiberboard at 110-160 DEG C, thus obtaining a mixed board; and forming the mixed board through compression, thus obtaining the fiberboard. The fiberboard is not easily mildewed and eaten by worms in a long-term use process.

The invention relates to the technical field of textile auxiliary equipment, and discloses a dryer for textile processing and production. The dryer comprises a drying box body, wherein a placement frame plate is fixedly arranged on one side of the bottom of an inner cavity of the drying box body, and the inner cavity of the drying box body is fixedly provided with a dryer body located above the placement frame plate in a sleeving mode; movable rods located between the placement frame plate and the dryer body are arranged inside the drying box body, and the outer portions of the movable rods are fixedly provided with rotating rollers in a sleeved mode; and one side of the drying box body is fixedly provided with a ventilation exhaust window located between the placement frame plate and thedryer body in a sleeved mode, and the bottoms of the two sides of the drying box body are fixedly connected with fixing frames. According to the dryer for textile processing and production, through aplacement sleeve plate, a positioning plate, an adjusting device and a flattening plate, to-be-dried textile fabric is conveniently spread, so that the situation that the drying effect is affected dueto the fact that the textile fabric is wrinkled together before entering the drying box body is avoided, normal drying is guaranteed, and the practicability of the device is improved.

The invention relates to foundation soil flattening equipment, in particular to foundation soil flattening equipment for building construction. The technical problem of the invention is to provide thefoundation soil flattening equipment for building construction which can automatically shovel soil protruding from the ground, can conveniently fill the soil shoveled out into a concave place of theground, can automatically flatten the soil filled in the concave place of the ground and automatically breaks the large soil shoveled out into pieces. According to the technical scheme, the foundationsoil flattening equipment for building construction comprises a funnel-shaped frame, supporting legs, wheels, a hollow pipe, a first spring, a shovel, an electric reel and the like, wherein the lowerparts of the left side and right side of the funnel-shaped frame are symmetrically connected to the supporting legs. According to the foundation soil flattening equipment for building construction, the soil protruding from the ground is automatically shoveled by using a shovel and is poured into the funnel-shaped frame through the hollow pipe, so that the protruding soil can be collected easily.The foundation soil flattening equipment moves downwards by stepping on the pedal, so that the soil collected in the funnel-shaped frame can be used to fill and level up the concave part of the ground, so that the filling of the soil is relatively easy and convenient.

The invention discloses a sleeve plastic heat sealing device for raincoat production, and relates to the technical field of raincoat production. The sleeve plastic heat sealing device for raincoat production comprises a workbench, a leveling mechanism and heat sealing tanks, wherein support columns are installed below the workbench; a heat sealing base is arranged above the workbench; sliding blocks are fixed on the two sides of the bottom of the heat sealing base; sliding grooves are arranged on the outer sides of the lower sides of the sliding blocks; air cylinders are installed at the two ends of the heat sealing base; supporting rods are fixed on the two sides of the upper portion of the workbench; and a top plate is installed on the upper portions of the supporting rods. The sleeve plastic heat sealing device for raincoat production has the beneficial effects that the leveling mechanism is arranged to facilitate leveling of raincoat sleeves; second electric push rods can conveniently telescopically adjust the position height of mounting frames and leveling rollers; the leveling rollers form a rotatable structure with the mounting frames through rotating shafts so that the leveling rollers can rotate through the rotating shafts to perform rolling leveling on the heat sealing positions of the raincoat sleeves in the heat sealing tanks below to prevent the heat sealing positions from wrinkling.

The invention discloses a bionic road roller steel wheel and an operation method thereof. The bionic road roller steel wheel comprises a steel wheel, a bionic compaction device, a fixed end cover, an electromagnetic positioning column and a polygon drawing prism. According to the bionic road roller steel wheel and the operation method thereof, the bionic compaction device carries out rough surface rolling on a rigid-flexible combined surface of cement-stabilized soil by using a bionic technology; and the steel wheel carries out plane compaction on a pavement. The bionic road roller steel wheel can be applicable to rolling of a plane and a rough surface at the same time, a user is greatly facilitated, the practical range is improved, and the bionic road roller steel wheel has the advantages of being simple in structure, convenient to disassemble and assemble, reasonable in setting and low in cost.

The invention discloses a rear-arranged hammering pressure device for a road and bridge construction asphalt paver. The rear-arranged hammering pressure device comprises an installing plate. Two fixing rings arranged symmetrically are arranged at the right end of the installing plate. A balance weight device is arranged on the upper surface of the installing plate. A box body of the balance weightdevice is fixedly connected with the upper surface of the installing plate. Two sets of fixing plates arranged symmetrically are arranged on the side face of the installing plate. Two fixing plates are in each set. A rolling pressure device is arranged between the two fixing plates in each set. A first drive device is arranged at the front end of the upper surface of the installing plate. An auxiliary belt wheel of the first drive device is fixedly connected with the front ends of rotating shafts of the rolling pressure devices. A pressing device is arranged on the middle portion of the lowersurface of the installing plate. According to the rear-arranged hammering pressure device for the road and bridge construction asphalt paver, the hammering pressure device can be connected with the paver through the fixing rings, can carry out rolling pressure and hammering pressure on paved asphalt in time, can effectively improve the asphalt paving effect, and is easy to operate and convenientto use.

The invention provides a method for constructing floor heating concrete back-filling layers. Compared with existing construction methods in the prior art, the method has the outstanding advantages that raw materials are classified, dry-mixed concrete is mechanically homogenized, watering is directly carried out after the dry-mixed concrete is uniformly paved, dry mixtures are easy to pave as compared with wet concrete mixtures, constructors wear soft-soled shoes, and accordingly floor heating coil pipes are hardly damaged in operation construction procedures by the aid of flat-end shovels; the completely paved dry concrete mixtures are watered by uniform watering equipment in watering procedures, the floor heating coil pipes are free of damage, and accordingly the durability can be guaranteed in follow-up use; field staffs, construction tools, the raw materials, the method and the like are reasonably and effectively planned, organized, coordinated, controlled and detected and are in excellent combination states, and accordingly the purpose of high-quality, efficient, low-consumption, balanced, safe and civilized production can be achieved.

The invention discloses a medical device for medical image analysis. The medical device includes a light box; transparent sheets are arranged on two sides of the light box; illumination tubes are arranged on inner upper and lower ends of the transparent sheets; a concave groove is formed in an upper end of one side of the light box; a limiting plate is movably connected in the concave groove; oneside of the limiting plate is fixedly connected to a linkage rod; one end of the linkage rod is fixedly connected to a first clamping plate; T-shaped sliding grooves are formed in the lower end of oneside of the light box; T-shaped sliding blocks are movably connected in the T-shaped sliding grooves; the tops of the T-shaped sliding blocks are fixedly connected with a second clamping plate; magnets are arranged on the bottoms of the T-shaped sliding grooves; and a metal hose is arranged on the other side of the light box, and a flashlight is arranged on one end of the metal hose. The flashlight arranged on the back of the light box through the metal hose can locally irradiate the CT piece, and facilitates observation and analysis.

The invention relates to a preparation process of CF50 concrete. The CF50 concrete comprises the following components in parts by weight: 160 to 170 parts of water, 350 to 360 parts of cement, 140 to150 parts of coal ash, 30 to 40 parts of micro-silicon powder, 680 to 700 parts of medium sand, 1050 to 1100 parts of gravel, 38 to 45 parts of steel fiber, 0.5 to 1.0 part of dispersant and 9.1 to 9.5 parts of water-reducing agent, wherein the gravel comprises 700 to 750 parts of small gravel and 250 to 280 parts of big gravel, the grain size of the small gravel is 5 to 25 mm, and the grain sizeof the big gravel is 5 to 10 mm. In the scheme, adhesive adopts the cement, the coal ash and the micro-silicon powder, the gravel comprises big gravel and small gravel, the big gravel serves as aggregate, the small gravel is filled in the big gravel and is used for guaranteeing the structural strength of the concrete, the micro-silicon ash is used for enhancing the hardness of the concrete, the steel fiber is used for enhancing the toughness of the concrete, and the prepared concrete has good anti-cracking effect, is not liable to generate ash and has high structural strength.

The invention discloses a wall bricklaying device. The wall bricklaying device comprises a moving vehicle body, wherein a shear fork mechanism is arranged on the top face of the moving vehicle body. Abarrel-type frame is arranged at the stretching-out end of the shear fork mechanism, one end of the barrel-type frame is open, the other end of the barrel-type frame is sealed, the open end of the barrel-type frame horizontally faces the side, perpendicular to the moving direction, of the moving vehicle body, and a feeding trough allowing bricks to pass and communicating with the interior of thebarrel-type frame is formed at the sealed end of the barrel-type frame. Lifting cylinders are arranged on the moving vehicle body, the stretching-out ends of the lifting cylinders are connected with acontaining frame, and the containing frame is provided with a pushing part. The pushing end of the pushing part penetrates through the containing frame and is arranged by facing the feeding trough. Afeeding guide plate right facing the feeding trough is arranged in the barrel-type frame. Connecting rod mechanisms are arranged in the barrel-type frame and are provided with multiple clamping partsused for clamping bricks on the feeding guide plate, and the connecting rod mechanisms drive the clamping parts to move towards the positions of bricks. The moving vehicle body is provided with a spraying device used for spraying mortar towards the bricklaying positions. Through the above arrangement, the wall bricklaying device has the advantage of replacing manpower so as to achieve intelligentbrick pavement and bricklaying.

Modified asphalt is provided. The modified asphalt includes matrix asphalt and a modifier. The modifier includes palm fruit shell ash and waste engine oil. The palm fruit shell ash is ash generated after palm fruit shell is combusted. The waste engine oil is engine oil wasted after vehicle maintenance. A large amount of palm fruit shell is adopted, thus providing a beneficial supplement for the flourishing palm oil industry at present, reducing pollution caused by secondary treatment of the palm fruit shell ash and the waste engine oil, reducing the fuel using amount during modified asphalt production, and meeting the social requirements of energy conservation and emission reduction at present. A construction process is convenient, the cost is low, and the effective utilization rate is increased. The modified asphalt can be widely used in highway and building projects, and has significant economic benefit and social benefit.

The invention discloses a production process for solidifying and regenerating roadbed filler by using mucky muck. The production process comprises the following steps that the using amount of a curing agent is determined according to grain composition, plasticity index and water content of muck; the mucky muck is mixed with the curing agent to realize granulation; granules are turned, thrown and maintained to realize water reduction and homogenization of the granules; and the moisture content of the granules is detected, and when the moisture content of the granules is not higher than the optimal moisture content+5%, production of the regenerated roadbed filler is completed by taking the homogenized granules as the regenerated roadbed filler. According to the production process, the natural mucky muck can be directly solidified, pretreatment links such as drying and crushing or water distribution fluidization are not needed, the using amount of the curing agent is small, the treatment period is short, the regenerated filler is in the shape of loose and compactable powder which is appropriate in water content and viscosity, transfer and road construction operation are easy, secondary ash doping is not needed, the filler can be directly paved and rolled, and the roadbed bearing capacity requirement is met after compaction. The technological process is simple and efficient, and industrial application and large-scale popularization are easy.

The invention discloses a high-strength asphalt mixture and a preparation method thereof. The asphalt mixture comprises the components of elastic resin, waste rubber, rosin, diacetone alcohol, asbestos wool, a water reducer, paraffin, epoxy resin, stearamide, a curing agent, palmitic acid, an emulsifier, a fiber stabilizer, and silicon dioxide. The main method of a preparation process comprises: crushing and heating limestone and alkali granite, and then mixing the crushed materials with a premixed and preheated asphalt binding material for full reaction. The asphalt mixture has the characteristics of good toughness, high strength, water resistance, corrosion resistance, low toxicity and environmental friendliness, and can effectively prolong the service life of an asphalt pavement.

The invention discloses a fiber board and a manufacturing method thereof. The fiber board comprises a first fiber layer and a second fiber layer, wherein both the top surface and the bottom surface of the second fiber layer are provided with a first fiber layer; the shapes of the radial projections of the first fiber layer and the second fiber layer are the same. The manufacturing method of the fiber board comprises the following steps: mixing and then loosening low-melting-point sheath-core compound fibers and regenerated three-dimensional hollow fibers to obtain first mixed fibers; mixing and loosening the low-melting-point sheath-core compound fibers and coconut fibers to obtain second mixed fibers; uniformly combing the first and second mixed fibers into bundles and then uniformly laying to obtain the first fiber layer and the second fiber layer respectively; laying the second fiber layer on the first fiber layer and covering the second fiber layer with the first fiber layer to obtain a primary fiber board; baking the primary fiber board at the temperature of 110-160 DEG C to obtain a mixed board; compressing and shaping the mixed board to obtain the fiber board. The fiber board does not go moldy and become wormy easily.

The invention discloses a road construction method, and solves the problems that asphalt road surfaces are frequent in cracking, low in intensity and poor in stability because of non-standard construction of many regions. The road construction method is characterized by adopting the technical scheme comprising the following steps of (a), cleaning and levelling a road surface of a road requiring paving, and forming a roadbed for pond residues to fill and pave; (b), sequentially paving a first pond residue processing layer and a second pond residue processing layer; (c), grinding macadam materials to form a macadam cushion layer of which the crushing value is 30%, and paving the macadam cushion layer on the second pond residue processing layer; (d), paving a cement stabilizing crushed stone layer of which the cement content is 3-6%; (e), uniformly sprinkling petroleum asphalt of which the consumption is 1.2 Kg/m<2>, then sprinkling aggregates, and immediately grinding the aggregates by a road roller to form a lower sealing layer; and (f), paving an asphalt mixed material layer of which the void percentage is 3-6%. The road construction method disclosed by the invention has the advantages of being high in strength, not liable to crack and strong in durability.