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115results about How to "Anti-slip" patented technology

Dual-purpose adhesive for adhering tiles and filling seams

The invention discloses a dual-purpose adhesive for adhering tiles and filling seams. The dual-purpose adhesive comprises, by weight percent, 20%-40% of cement, 50%-70% of filler, 2%-5% of redispersible latex powder, 0.05%-0.2% of cellulose ether, 0.4%-1.5% of early strength agent, 0.2%-0.8% of thixotropic lubricant, 0.3%-1.5% of wood fiber, 0.1%-0.4% of water repellent 0.1%-0.6% anti-whiskering agent, 0.1%-1% of mildew preventive and 0.1%-0.6% of dispersant. The dual-purpose adhesive belongs to the field of construction adhering materials, is efficient, energy-saving, low-carbon and environment-friendly, can be used for adhering tiles and processing tile seams, and working hour repetition and material waste are avoided.
Owner:能高共建(北京)新型建材有限公司

Electric machine stator wire bar multifactor ageing device and method

The invented aging device and aging method for investigating the aging rule, the life test and quality analysis of the insulation of the stator wire bar. The invented device can apply the aging stresses of the electricity, heat, mechanism as well as the thermal and mechanical stress to the wire bar tested so as to simulate the aging process of the sample of the stator wire bar without damaging the sample. The transformer provided the electric aging factor. The heating plate provides the thermal aging factor. The temperature control device controls the thermal aging temperature. The vibration generator provides the vibration stress. Adjusting the output waveform of the signal generator can change the mode of the vibration. The heating and cooling cycles can be scheduled. Thus, the four aging stresses can be combined in order to meet different aging requirement.
Owner:XI AN JIAOTONG UNIV

Environment-friendly flame-retardant rubber for shoe soles and preparation method thereof

The invention discloses an environment-friendly flame-retardant rubber for shoe soles and a preparation method thereof. The environment-friendly flame-retardant rubber for shoe soles comprises the following components in parts by weight: 55-65 parts of 2# standard rubber, 8-12 parts of styrene-butadiene rubber, 25-35 parts of cis-1,4-polybutadiene rubber, 1-3 parts of sulfur, 2-4 parts of accelerator, 1-3 parts of stearic acid, 4-6 parts of nano zinc oxide, 0.5-0.7 part of releasing agent, 54-66 parts of reinforcing filler, 15-21 parts of softening system, 18-22 parts of red phosphorus, 4-6 parts of nitrogen-based flame retardant MCA (melamine cyanurate) and 18-22 parts of nitrogen-phosphorus flame retardant. In the invention, the natural rubber, styrene-butadiene rubber and cis-1,4-polybutadiene rubber are used as the main materials, the reinforcing filler and softening system are added to ensure the physical properties of the rubber, thereby ensuring the service life of the rubber sole, and the red phosphorus, nitrogen-based flame retardant MCA and nitrogen-phosphorus composite flame retardant NPR (nitrogen and phosphorus retardant) are together used as a flame retardant system, thereby providing excellent flame retardancy for the product. The invention has the advantages of simple method, low cost and favorable use effect.
Owner:JIHUA 3537 SHOE MAKING

Method for repairing concrete pavement

The present invention relates to a method for repairing concrete pavement. Said method includes removing powdered impurity and grease stain from surface of pavement let to be repaired; drying sand and broken stone; coating or spraying unsaturated polyester resin; using (by weight portion ratio) 1 portion of unsaturated polyester resin, 0.02-0.06 portion of solidifying agent, 3-5 portions of said and 4-6 portion of broken stone, firstly, uniformly mixing unsaturated polyster resin and solidifying agent, then mixing them with said and broken stone to obtain component A; uniformly mixing 1-2 portions of cement and 0.02-0.04 portion of accelerator to obtain component B; uniformly mixing A and B to obtain repairing material; spreading the repairing material to the lot to be repaired, compacting, striking off and spreading small quantity of dried cement powder on said lot so as to implement said repairing operation.
Owner:BOHAI UNIV

Sea gravity type pile foundation combined fan foundation

The invention relates to a sea gravity type pile foundation combined fan foundation, which is characterized by comprising a gravity type foundation, wherein the gravity type foundation is arranged on a rubble bed with certain thickness, and a composite foundation with PHC pile piles is arranged below the rubble bed; the gravity type foundation comprises a flat-bottom base with certain bottom thickness and wall thickness, a pillar is arranged in the base in a sitting way, and a plurality of partition plates connected between the base and the pillar, and the rubble base is formed by adding a rubble with certain thickness in a foundation trench; the spacing of the PHC pipe piles distributed in the composite foundation is 5 to 6 times of pile diameter, and a ballast weight material can be added in the spaces between the partition plates; and the rubble bed can be of an underground bed, an overground bed or a mixed bed. The invention adopts optimized combined design, allows the size of the gravity type foundation and the number of the PHC pipe piles to be the best in safety and economy, plays the potential carrying capacity of a natural foundation compared with other foundation treatment schemes, and has better subsidence reducing effect.
Owner:CHINA NAT OFFSHORE OIL CORP +2

Apparatus for reading books

The invention discloses a book reading device, which comprises a book plate, two long holes extended at the left and the right sides of the book plate. The inner of the long holes are provided with a guiding body throughout. The guiding body is downwards connected with a lower guiding plate, and upwards connected with an upper guiding plate which is provided with a sliding book clip. The middle part of the front side of the book plate is provided with a book end; both ends of the book plate are provided with plate legs which are much longer than the book end and the back of the book plate is provided with foldable supporting legs. A left and a right parts separated on the book plate are connected by a rotary hinge and can be folded. The back of the book plate is provided with inserting desk legs. The book plate is inserted into the holes of the inserting desk legs which are specially arranged on a desktop by the inserting desk legs, so as to enable the book plate fixedly standing at a proper height and angle for book reading. The book reading device can be ideally used for large, small, thick and thin books and can play a role in heath care of eye, neck, waist and whole body of the people. The book reading device integrates a plurality of advantages into a whole and can be suitable for all people, in particular to students using on the school desk home desk and at outside..
Owner:张劲潇

Tile glue for ceramic thin plate

The invention discloses tile glue for a ceramic thin plate. The tile glue for the ceramic thin plate comprises the following components in percentage by weight: 20 to 32 percent of silicate cement, 40 to 48 percent of quartz sand, 0.8 to 6.4 percent of concrete expanding agent, 0.8 to 4 percent of dispersible latex powder, 0.08 to 0.48 percent of cellulose ether, 0.08 to 0.8 percent of early strength agent, 0.08 to 0.48 percent of thixotropic lubricant, 0.08 to 0.8 percent of wood fiber, 0.08 to 0.48 percent of water repellent, 0.08 to 0.48 percent of anti-whiskering agent and 16 to 24 percent of emulsion. The tile glue for the ceramic thin plate is energy-saving and environmentally-friendly, has excellent performance, can inhibit contraction, prevents cracking, avoids hollowing and has the advantages of slippage resistance, whiskering resistance, low water absorption, high wear resistance and the like.
Owner:能高共建(北京)新型建材有限公司

Intelligent dual-probe iron shoe with precise detection function

ActiveCN106218667AAnti-slipAvoid issues such as labor intensity of inspectionsPositive railway stopsAcoustic wave reradiationComputer moduleEngineering
The invention discloses an intelligent dual-probe iron shoe with a precise detection function. The intelligent dual-probe iron shoe with the precise detection function comprises a shoe body, a detection module, a wireless communication module, a control module and a battery, wherein the detection module, the wireless communication module, the control module and the battery are arranged on the shoe body. The shoe body comprises a bottom part and a head part; and the detection module comprises an emitting probe and a receiving probe. The emitting probe is used for emitting a detecting signal used for detecting a target object; the receiving probe is used for receiving the detecting signal reflected by the target object; and the detecting signal is sent to a monitoring terminal through the wireless communication module after being processed by the control module. According to the intelligent dual-probe iron shoe with the precise detection function, the emitting probe and the receiving probe are arranged, detecting signals are sent out by the emitting probe continuously and reflected to the receiving probe by a train, the emitting probe is not affected by aftershock, detecting dead zones are greatly decreased, the detecting precision is improved, the position of the train can be better detected, the purpose of preventing slip of the train is achieved, and the problem that the labor intensity of workers is intensified due to false detection of the intelligent iron shoe is avoided.
Owner:GUANGZHOU SINORAIL INFORMATION ENG

Automatic installation device for architectural engineering

InactiveCN108286253AAvoid work schedule impactNo manual operationConveyor partsBulkheads/pilesEngineeringOpen hole
The invention relates to an automatic installation device for architectural engineering. The automatic installation device for architectural engineering comprises a bottom plate, traveling wheels, aninstallation frame, a conveying device and a burying device. The traveling wheels are arranged at the lower end of the bottom plate; the installation frame is arranged at the upper end of the bottom plate; a sliding chute is formed in the installation frame; the conveying device and the burying device are sequentially arranged at the lower end of the installation frame from left to right; the bottom plate is provided with an open hole right under the burying device; the conveying device comprises a rotary motor, a rotary cylinder, a No.1 conveying mechanism and a No.2 conveying mechanism; andthe burying device comprises a grabbing mechanism, a guiding mechanism and a piling mechanism. The automatic installation device for architectural engineering provided by the invention can solve the problems that the labor cost is high, the working efficiency is low, the labor intensity is high, the working stability is poor, a wood pile is prone to skewing and the like in an existing wood pile installation process, can realize a function on automatically installing the wood pile, and has the advantages of low labor cost, low labor intensity, high working efficiency, good working stability, capability of keeping the wood pile at a perpendicular state, and the like.
Owner:闫西英

Cleaning device of linear railing

The invention discloses a cleaning device of a linear railing and belongs to the field of environmental sanitation mechanical equipment. The cleaning device is composed of a linear driving device, a water spray device, a water pipe, a water tank, a cleaning device body, a storage battery, a horizontal correcting device and a gyroscope. The linear driving device is connected with the water spray device through bolts. The water spray device is connected with the cleaning device body through a bolt. The cleaning device body is connected with the horizontal correcting device through bolts. The water tank is fixed on the cleaning device body. One end of the water pipe is connected with the water spray device. The other end of the water pipe is connected with the water tank. The horizontal correcting device is connected with the cleaning device body through the bolts. The storage battery is fixed on the horizontal correcting device. The gyroscope is mounted at the tail of the horizontal correcting device. Dust on the linear railing can be fast cleared, the levelness is automatically adjusted, the device does not need to occupy a road surface and can complete the cleaning task on the railing, and the cleaning device has outstanding priority in cleaning of road railings and high-rise buildings.
Owner:绍兴博弈机械设备研发有限公司

Automatic hemorrhoids ligation device with raised strips

PendingCN107137120AFixed firmlyFixed and not easy to take offExcision instrumentsComposite materialHemorrhoids
The invention relates to an automatic hemorrhoids ligation device with raised strips. The automatic hemorrhoids ligation device comprises a rubber ring body, a rubber ring tube, a rubber ring tube connector, a suction tube connector, a suction tube, an advancing tube, a reset spring, a transmission tube, a trigger and a handle, wherein the advancing tube, the reset spring and the transmission tube are arranged on the outer peripheral face of the suction tube; one end of the reset spring is connected with the advancing tube, and the other end of the reset spring is connected with the transmission tube; the near end of the suction tube is connected with the handle; the rubber ring tube connector and the rubber ring tube are integrally formed, the rubber ring tube connector is a standard part, and the rubber ring tube connector can be correspondingly connected with rubber ring tubes of different inner diameters; the rubber ring body is provided with the raised strips, and the raised strips are annularly distributed on the inner side of the rubber ring body in an equal-distance manner to form an occlusion part. The automatic hemorrhoids ligation device has the advantages that the device can be matched with hemorrhoids of different sizes, ligation can be achieved through occlusion, and the device is resistant to wetness and slipperiness, firm in fixation and less prone to falling off.
Owner:太仓市中医医院

High molecular weight polyisoprene rubber and preparation method thereof

ActiveCN103289000AIncrease ratingsExperimental operating conditions are not harshPolymer scienceIsoprene
The invention discloses high molecular weight polyisoprene rubber which simultaneously contains a 3,4-strucure, a cis-1,4 structure and a trans-4,4 structure, as well as a preparation method of the high molecular weight polyisoprene rubber and an adopted iron post-transition metal catalyst composition. The polyisoprene rubber disclosed by the invention has the characteristics of not only being good in slipper resistance, but also being low in generated heat, and is in particular suitable for a high-performance tyre and other rubber products. The catalyst system disclosed by the invention is insensitive to water, oxygen gas, carbon dioxide and the like, and gentle in experimental operation conditions.
Owner:QINGDAO UNIV OF SCI & TECH +1

Ultra-large-thickness paving and compacting process

The invention relates to an ultra-large-thickness paving and compacting process. The process comprises the following steps: S1, construction layout; S2, elevation reference paving preparation; S3, pavement paving preparation; S4, mixture mixing; S5, mixture paving; S6, mixture grinding; S7, pavement detection. Through a large-thickness paving process, the construction quality is guaranteed, the integrity of the base layer is improved, the production efficiency is improved, the flatness of the base layer is improved, and segregation is little; the road quality is improved, road diseases are effectively prevented, and the service life is prolonged.
Owner:河南省光大路桥工程有限公司

Method for preparing asphalt modifying assistant

The invention relates to a method for preparing an asphalt modifying assistant and belongs to the technical field of assistant preparation methods. The method comprises the steps: (1) mixing 15-21 parts by weight of SBS (Styrene Butadiene Styrene block polymer) thermoplastic rubber, 15-25 parts by weight of UPVC (Unplasticized Polyvinyl Chloride), 5-12 parts by weight of CPVC (Chlorinated PVC) and 5-10 parts by weight of solvent oil, and stirring at a low speed until the temperature of the mixture is 60 DEG C; (2) adding 5-8 parts by weight of kaolin, and stirring at a high speed until the temperature of the mixture is 80 DEG C, wherein the revolution rate of stirring is higher than 1,000 revolutions per minute; (3) adding 6-8 parts by weight of dispersant, and stirring at a high speed until the temperature of the mixture is 100-110 DEG C, wherein the revolution rate of stirring is higher than 1,000 revolutions per minute; (4) grinding, and then, filtrating, so as to enable the degree of fineness of the ingredients to be not greater than 80 microns; (5) adding 3-5 parts by weight of stabilizer, stirring at a low speed, and cooling the mixture to the temperature of 35-40 DEG C, thereby preparing the assistant. Due to the addition of UPVC, CPVC and kaolin, UPVC, CPVC and kaolin mutually generate synergistic effects, and Al and Si ions generated from the decomposition of kaolin play a role in polarizing other ions, so that the shrinking percentage of UPVC and CPVC is increased, the plasticity and viscosity of the assistant are improved, and the anti-corrosion property of the assistant is improved jointly by UPVC, CPVC and kaolin.
Owner:湖州华仑助剂科技有限公司

Environment-friendly modified-asphalt coating material and preparation method thereof

The invention relates to an environment-friendly modified-asphalt coating material and a preparation method thereof and belongs to the technical field of paint and preparation processes thereof. The coating material contains the following ingredients in parts by weight: 30-42 parts of petroleum asphalt, 25-31 parts of polyethylene oxide, 19-27 parts of glycidyl methacrylate, 4-8 parts of polyvinyl chloride paste resin, 5-20 parts of dioctyl phthalate, 15-21 parts of SBS (Styrene Butadiene Styrene block polymer) thermoplastic rubber, 15-25 parts of UPVC (Unplasticized Polyvinyl Chloride) and 5-12 parts of CPVC (Chlorinated PVC). According to the scheme, volatile organic solvents are not adopted, so that the coating material is environmentally-friendly. Meanwhile, the coating material disclosed by the invention is excellent in heat resistance, integrates chemical stability and heat resistance, can still work normally below 200 DEG C and has good stability.
Owner:湖州大周高分子材料有限公司

Dyeing fabric deepening finishing agent and preparation method

The invention discloses a dyeing fabric deepening finishing agent and a preparation method. The dyeing fabric deepening finishing agent is prepared in a mixed and matched manner from water-based close polyurethane resin and water-based acrylic resin, wherein the water-based close polyurethane resin is prepared by polypropylene oxide triol, N-methyl diethanol amine, hexamethylene diisocyanate, acetone, acetoxime, dimethyl sulfate, glacial acetic acid, sodium hydrogen sulfite, deionized water and dibutyltin dilaurate, and the water-based acrylic resin is prepared by methyl acrylate, acrylonitrile, dimethylaminoethyl methacrylate, trifluoroethyl methacrylate, hydroxyethyl acrylate, methacryloyloxyethyl trimethyl ammonium chloride, azobis isobutylamidine hydrochloride and deionized water. The dyeing fabric deepening finishing agent is resistant in cracking and slipping and good in fixation effect.
Owner:LIAONING FIXED STAR FINE CHEM

Shield tunnel composite waterproof structure

The invention discloses a shield tunnel composite waterproof structure, and belongs to the technical field of tunnel engineering. The shield tunnel composite waterproof structure comprises a waterproof seal pad and a shield pipe piece seal pad groove, the waterproof seal pad comprises a seal pad body, the seal pad body is arranged in the shield pipe piece seal pad groove, the left side and the right side of the seal pad body are each provided with at least one first grove, the shield pipe piece seal pad groove is provided with a protrusion corresponding to the first groove, at least one secondgroove is formed in the top of the seal pad body, and a seal pad auxiliary body is arranged in the second groove. The shield tunnel composite waterproof structure is sliding-resistant, extrusion-resistant and comprehensive in waterproofness and has the long-term waterproof capacity, water is prevented from leaking to the bottom of the seal pad, the waterproof stability is effectively improved, and long-term waterproofness and durability of the pipe piece joint can be improved.
Owner:NORTHEASTERN UNIV

Mosaic tile sticking and jointing integrated binder mosaic tile glue and preparing method thereof

The invention discloses mosaic tile sticking and jointing integrated binder mosaic tile glue and a preparing method thereof and belongs to the technical field of building materials. The mosaic tile sticking and jointing integrated binder mosaic tile glue not only can meet the requirement for high bonding strength, but also can meet the requirements for high wear resistance and low water absorption of a joint mixture. According to the technical scheme, the mosaic tile sticking and jointing integrated binder mosaic tile glue is prepared from 20-50% of cement, 10-60% of fine sand, 5-30% of dolomite dust, 0.1-0.5% of HPMC, 0.1-1% of thixotropy lubricant, 1-5% of polymer dispersion powder, 0.1-1% of water repellent and 0.1-1% of early strength agent, and the total percentage is 100%.
Owner:广州协堡建材有限公司

Preparation method of illite-smectite clay intercalated silica dual composite natural rubber

The invention discloses a preparation method for preparing dual composite natural rubber from illite-smectite clay intercalated silica. The method mainly comprises the steps of processing a nano-scale illite-smectite clay material by adopting an intercalating agent, further damaging a close and ordered packed structure of laminar silicate to form layered basic units by peeling, then mixing and melting with a suspension mixed with natural latex and silica, uniformly dispersing in a polymer matrix, finally realizing intercalation composition of a natural rubber high polymer, silica and layered silicate lamellae on nano scale and completing the manufacturing of a finished product through continuous production.
Owner:陈雄

Multifunctional rice harvester

The invention discloses a multifunctional rice harvester, which comprises a harvester body, wherein the harvester body comprises a harvester frame, a cab, a harvesting device, a rice conveying pipeline, a threshing device, a circulating drying box and a straw shaker, a stirring cage and a second heating plate are arranged in the circulating drying box, the circulating drying box is connected witha high-level grain unloading cylinder; the top end of the harvester frame is provided with a solar panel, the bottom end of the harvester is provided with a field walking mechanism and a road surfacewalking mechanism, the field walking mechanism comprises a rotating hydraulic motor, a walking hydraulic motor and a crawler wheel, the crawler wheel is rotatably connected with the harvester frame through the rotating hydraulic motor, the front end and rear end of the crawler wheel are both connected with the output shaft of the walking hydraulic motor; the road surface walking mechanism comprises a hydraulic telescopic rod and a rubber wheel; the rear end of the harvester body is provided with an anti-sinking device. The harvester is energy-saving and environment-friendly, adopts a four-drive structure with sufficient power, can achieve 360-degree rotation in the field, can walk on a road surface, and has a plurality of functions of harvesting, threshing, drying, anti-sinking and the like.
Owner:福建省氿鑫隆电器有限公司

Outdoor theatre and construction method thereof

The invention provides an outdoor theatre and a construction method thereof. The outdoor theatre comprises a stage, an audience area, a drainage system and an irrigation system, wherein the audience area is distributed with the stage position serving as a center and comprises 3-12 layers of fan-shaped platforms arranged from inside to outside; the fan-shaped platforms are arranged on a rough place, the rough place comprises 3-12 layers of stepped slopes, and each fan-shaped platform comprises a base layer, a coarse sand layer and a soil planting layer from bottom to top in sequence; the drainage system comprises a main drain arranged in the base layers of the fan-shaped platforms, a plurality of underground percolation blind pipes are distributed in the base layers of the fan-shaped platforms in a fork-shaped vein manner, an overground open drain and a filter. The green theatre is good in soil permeability, high in trample resisting capability and good in buffer performance; lawn strength and crushing resistance are high, and the service life of a plant root layer is long; the irrigation is convenient, rainwater and residual irrigation water are recycled, and the purpose of urban zero emission is achieved.
Owner:SHANGHAI CHENSHAN BOTANICAL GARDEN +1

Slide resisting and monitoring integrated slide-resistant pile

The invention relates to the technical field of detection, in particular to a slide resisting and monitoring integrated slide-resistant pile. The slide resisting and monitoring integrated slide-resistant pile mainly comprises a slide-resistant pile body, a steel bar meter, a GPS, a signal transmission and data processing device, a GPRS remote signal transmission system, a power supply system, an alarm warning device and a remote signal receiving terminal. The slide-resistant pile body is installed in the slight sliding surface on the front edge of a slope body. Longitudinal load-bearing steelbars are each selected from the tension side and the pressure side of the slide-resistant pile body to weld the steel bar meter. The GPRS system is installed at the top end of the slide-resistant pilebody. A signal is processed by the data processing device, and the deformation working condition of the slide-resistant pile body is reflected. The power supply system comprises a solar panel and anaccumulator. The alarm warning system is installed close to highways and residences close to hazardous areas of landslide, the remote signal receiving terminal receives an early warning signal transmitted by the slide-resistant pile body, and risk warning is conducted in advance. The device is high in functionality and precision and remarkable in early warning effect and has great application prospects.
Owner:NANCHANG UNIV

Pneumatic tyre

The invention belongs to the field of tyres and particularly relates to a pneumatic tyre. The pneumatic tyre is characterized by comprising following components in parts by weight: natural rubber, butadiene rubber, chlorinated butyl rubber, nitrile rubber, an ethylene-propylene-diene monomer, butadiene styrene rubber, carbon black N110, carbon black N22O, carbon black N326, a coupling agent, high styrene, reinforced resin and a vulcanizing agent. With the adoption of the formula and the components by weight parts, the produced tyre has the advantages of being capable of resisting partial abrasion, keeping the operation stability, preventing cracks of a thin film and effectively reducing the air resistance in the high-speed driving process; the tyre provided by the invention also has the good performances on stabbing resistance, slipping resistance, air resistance, ozone resistance, sunlight aging resistance and the like.
Owner:SHANDONG YONGTAI CHEM GROUP

Novel flexible plate bending device

The invention relates to the technical field of industrial manufacturing, in particular to a novel flexible plate bending device. A novel flexible plate bending device comprises a base, a positioning lead screw, a clamping module, a bending module and a driving module. The base comprises a base body, and the clamping module comprises a fillet mold and a pressing plate; the front end of the base body is connected with a driving module; the driving module comprises two rocker arm brackets which are symmetrically arranged; a height limiting block is installed in the rocker arm support, and a bending module is installed in the height limiting block. The bending module comprises a bending rolling wheel and a rolling wheel shaft, the rolling wheel shaft is installed in the assembling through hole, and the bending rolling wheel is rotationally connected to the outer side of the rolling wheel shaft. Through mutual matching and combination of the fillet dies with different radiuses, the height-adjustable bending rollers and the positioning devices at different positions, a high-precision and low-cost bending process can be carried out on parts with different materials, different thicknesses and different bending sizes.
Owner:SOUTHWEST UNIVERSITY

Drill bit for ultra-high rotating speed drilling of deep hard stratum

The invention relates to a tool for deep geological exploration coring, in particular to a drill bit for ultra-high rotating speed drilling of a deep hard stratum. The drill bit for ultra-high rotating speed drilling of the deep hard stratum comprises a drill bit body, one end of the drill bit body is fixedly connected with a connector, the other end of the drill bit body is fixedly provided witha plurality of drill bit matrixes which are evenly distributed along the circumference, an interval is formed between every two adjacent drill bit matrixes, and reinforced polycrystalline diamond cutting teeth are fixedly arranged on the working face of the drill bit matrixes. The drill bit for ultra-high rotating speed drilling of the deep hard stratum further comprises a plurality of gauge protectors fixedly connected with the side walls of the drill bit matrixes and the side wall of a rotary head body, the gauge protectors correspond to the drill bit matrixes one to one, the top ends of thegauge protectors are flush with the working faces of the drill bit matrixes, an interval is formed between every two adjacent gauge protectors, and a diversion water channel is further formed in eachgauge protector, and the top ends of the diversion water channels are flush with the gauge protectors. The drill bit for ultra-high rotating speed drilling of the deep hard stratum is rapid in heat dissipation, rapid in powder discharging, small in vibration and preventing stick-slip.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Intermediate linking device of transition platform of sectional type fire grate system

InactiveCN101929683ABreak the continuityRealize blanking and breaking upGratesIncinerator apparatusEngineeringSteel structures
The invention discloses an intermediate linking device of a transition platform of a sectional type fire grate system, which comprise a forepart fire grate (1) and a rear part fire grate (2), wherein height fall exists between the tail end of the forepart fire grate (1) and the front end of the rear part fire grate (2), the tail end of the forepart fire grate (1) is linked with the front end of the rear part fire grate (2) through a fire-resistant transition platform (3), in which a steel beam (4) is arranged, and the end part of the steel beam (4) is supported on the side beam steel structure of the fire grate. The intermediate linking device breaks the continuity of the fire grate surface, can effectively prevent the materials of the forepart fire grate from sliding at the tail end, realizes that the solid waste is scattered in falling, has good structure stability and dose not affect bearing load of the fire grate system.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Side-sway rotary stereoscopic parking space

The invention discloses a side-sway rotary stereoscopic parking space which is a novel stereoscopic parking space. The side-sway rotary stereoscopic parking space achieves no-avoiding parking. According to the side-sway rotary stereoscopic parking space, the design that a rhombus structure and a triangle structure are organically integrated is adopted for an upper layer, rising and horizontal moving are conducted synchronously, and meanwhile, a safe device is seamlessly integrated in the operation process to ensure operation safety; a lower layer adopts a rotary out-garage method, thereby being simple, effective, safe and reliable; and meanwhile, the parking space can be reasonably arranged by adopting different permutation and combination methods according to installation sites and has no special requirements for parking sites. The parking space is built on stilts by using steel structures, and thus the parking space can be built in places such as grassland, flower beds, green belts and roads; when the parking space is dismantled, original appearances are basically recovered; and the parking space is specially suitable for places, such as residential areas and roads, where no parking space is available or parking spaces are insufficient, for places where people do not willing to solve parking problems at the cost of scarifying green belts, for open-parking grounds where parking spaces can be doubled or even more under the limited space condition and for volume expansion of underground garage. The side-sway rotary stereoscopic parking space is a good supplement for solving parking problems.
Owner:周建新

High-strength concrete interfacial agent and preparation method thereof

The invention discloses a high-strength concrete interfacial agent and a preparation method thereof and belongs to the technical field of building materials. On one hand, introduced carboxyl participates in a hydration reaction of interfacial concrete to have a better water reduction function and increase the structure strength of gel of an interface material, on the other hand, by use of a long hydrocarbon chain hydrophobic group and good water solubility, a hydrophilic group is linked, the surface tension is reduced, so that residues are reduced after release through an oily release agent, and interface pollution is reduced. By use of own characteristics of elastomers and better toughness and elasticity of the elastomers, part of swelling stress during interface bonding is reduced to prevent cracking, and the mechanical performance of an interface is increased; an acid complexing agent is added, so that capillary pores are filled, the compactness in the bonding position is increased,absorption of CO2 is kept in the alkaline environment, growth of calcium carbonate crystals is promoted, and the interface performance is enhanced. The problem of poor bonding power and waterproof performance of concrete interfacial agents at present is solved.
Owner:薛银福
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