137results about How to "Not easy to fly" patented technology

The concrete reinforcing modified coarse polypropylene fiber has titer of 64-9300 denier, equivalent diameter of 0.1-1.2 mm, tensile strength of 280-500 MPa, elastic modulus of 3800-5000 MPa, and limit extension of 15-30 %, and is surface convex and concave thread treated before curing. The concrete reinforcing modified coarse polypropylene fiber is prepared with polymer with hydrophilic radical and polypropylene resin, and through mixing, melting, spinning and surface convex and concave thread treatment before curing. It has great grasping force on concrete, and may be used to improve the toughness, impact strength, cracking performance, antiseepage, bending and comprehensive performance of concrete.

The invention provides a device system for expelling birds, and catching and killing acridid and insect pests in an airport by using a toy helicopter. The device system comprises a zero point energy helicopter which is formed by connecting toy remote-control helicopter with a zero point energy generator. The zero point energy helicopter is respectively connected with a sound-light generator, an inflatable bird expelling device, a high-voltage generator, a high-voltage electric network, a net-barrel high-voltage electric network, an ultraviolet light emitting diode (LED) lamp, an electric shock acridid catching and killing net and an ultramicro spraying device to form a universal zero point energy tyre-type air craft which has the function of expelling bird by airplane, expelling bird by inflation bird, killing sect by electric network, killing acridid by airplane and ultramicro spraying; the zero point energy generator is connected on an electric shaft of a helicopter paddle through rotary magnetic steel; a fixed coil panel is connected below the zero point energy generator so as to regenerate and recharge; two small batteries can make the helicopter continuously fly, thereby saving energy and protecting the environment. The device system is used for expelling birds instead of hurting the birds in the airport, flying in farm lands to catch and kill insects, catching and killing edible acridid in a large area and killing insects by spraying ultramicro pesticides to fruit trees in the upper air, and is low in cost and convenient to manufacture, popularize and use.

The invention relates to a road pavement joint cutting apparatus, in particular to a fast joint-cutting apparatus for a traffic road pavement. The invention aims at solving the technical problem of providing a fast joint-cutting apparatus for a traffic road pavement that the cutting speed is high, the dust is unlikely to fly when in cutting and the adjustment is convenient. In order to solve the technical problem, the invention provides a fast joint-cutting apparatus for a traffic road pavement. The fast joint-cutting apparatus comprises a bottom plate, wheels, a water spraying apparatus, an adjusting apparatus, a connecting block, an elevating rod and the like; the bottom of the bottom plate is provided with the wheels, the top left side of the bottom plate is provided with the water spraying apparatus, the top right side of the bottom plate is provided with the adjusting apparatus, the left side of the adjusting apparatus is provided with the connecting block, the bottom of the connecting block is provided with the elevating rod, a through hole is formed in the middle part of the bottom plate, and the elevating rod penetrates through the through hole. By adopting the fast joint-cutting apparatus, an effect of high cutting speed, no dust flying when in cutting and convenience in adjustment can be achieved; and the cutting is carried out while the water is sprayed, so that the flying of the dust can be effectively prevented from influencing the health of the human body.

The invention relates to motor maintenance equipment, in particular to motor surface dust comprehensive sweeping equipment for motor maintenance. The technical effects that the motor surface dust comprehensive sweeping equipment for motor maintenance is capable of saving manpower and time and low in labor intensity, dust is not liable to be inhaled by workers, and the motor surface dust comprehensive sweeping equipment does not influence physical health are achieved. In order to achieve the technical effects, the provided motor surface dust comprehensive sweeping equipment for motor maintenance comprises a bottom plate and the like. A support is vertically mounted on the left side of the bottom plate in a bolt connection mode. A rotary fixing device is arranged in the position, on the right side of the support, of the top of the bottom plate. Dust on the surface of a motor can be cleaned up rapidly, and the effects that manpower and time are saved, the labor intensity is low, dust is not liable to be inhaled by workers, and the motor surface dust comprehensive sweeping equipment does not influence physical health are achieved.

The invention relates to a production technology of a white microbead-shaped white carbon black. In the production technology, sodium silicate or concentrated sulfuric acid are used as the main raw materials and the steps such as dissolution, synthesis, filter pressing, slurrying, drying and the like are employed; in particular, in the process of drying, the pressure type drying technology and the fluidized bed drying technology are employed, so that the microbead-shaped white carbon black which is environment-friendly and extremely easily dispersive is obtained.

A free ball bearing (110) comprises a support ball-pressing ring (50) disposed within a housing (30), and the support ball-pressing ring (50) is configured in such a manner that, in order to restrict or suppress the rolling of support balls (41,..., 41) arranged on a hemispherical recessed surface (21) or in order to release the restriction or suppression, the support ball-pressing ring (50) can move from a position (pressing position) at which the rolling of the support balls (41,..., 41) is restricted or suppressed, to a position (standby position) at which the restriction or suppression of the rolling of the support balls (41,..., 41) is released. The support ball-pressing ring (50) comprises a cylindrical pressing section (55) which, as the support ball-pressing ring (50) moves, can enter and exit the space between the hemispherical recessed surface (21) and a main ball (42) (said space being the space in which the support balls (41,..., 41) are arranged). When the support ball-pressing ring (50) is located at the pressing position, the pressing section (55) restricts or suppresses the rolling of the support balls (41,..., 41), and when the support ball-pressing ring (50) is located at the standby position, the restriction or suppression of the support balls (41,..., 41) is released.

The invention belongs to the technical field of modification of natural high polymer compounds and discloses a polysiloxane-modified cationic polysaccharide compound as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out a cationic modification reaction between a polysaccharide compound and a cationization agent, performing polysiloxane modification with active polysiloxane, or simultaneously performing cationic modifier polysiloxane modification on the polysaccharide compound, neutralizing and drying, thereby obtaining the polysiloxane-modified cationic polysaccharide compound. The product has the advantages of high water dispersibility and drifting difficulty of powder. In addition, due to the introduced polysiloxane, the application performances, such as softness and smoothness, of the cationic polysaccharide compound can be improved to a certain degree, and the polysaccharide compound can be applied to daily care products.

The invention relates to the technical field of environmental protection packaging material recovery, in particular to a centralized waste collection system for a corrugated board production line. Thecentralized waste collection system aims at solving the problems of untidy production environment and low working efficiency. The centralized waste collection system comprises a material conveying pipeline communicated with a shredder. An induced draft fan is arranged on the material conveying pipeline. The shredder is positioned in a production line workshop. The material conveying pipeline leads to a hydraulic packer, the hydraulic packer is positioned in a waste collection workshop, and a discharging track is arranged at an outlet of the hydraulic packer. The hydraulic packer packs cardboard scraps into piles after integrally pressing and forming the cardboard scraps, thus the generation of scattered scraps is reduced, and the environmental quality is improved. The hydraulic packer islocated in the waste collection workshop to keep the corrugated paper production workshop clean, and under the push of the hydraulic packer, the paper piles are orderly arranged on the discharging track, can be neatly stacked in the waste collection workshop after being transported by forklift trucks and can be transported after being uniformly loaded by transporters, so that the loading efficiency of transporters is improved.

The invention provides a fighting robot capable of gouging and lifting simultaneously. The robot is driven to advance/fall back by a driving mechanism, a chassis is taken as a base plate, a gouging lifting mechanism is installed between a pair of main side plates which are symmetrically arranged in left and right on the part, located in the middle, of the upper end of the base plate, the fightingrobot is structurally characterized in that a driving motor is installed on the base plate, output power is reduced by a reducer, transmitted by a gouging transmission and a lifting transmission mechanism and transmitted to the gouging mechanism and the lifting mechanism respectively to drive a weapon rod of the gouging mechanism and a lifting plate member of the lifting mechanism to move around an output shaft of the gouging transmission mechanism and an output shaft of the lifting transmission mechanism to synchronously rotate reversely in the opposite reverse rotation directions, the weaponrod of the gouging mechanism is used as a gouging executing end, and the gouging weapon is installed at a free end of the weapon rod; a front protecting plate and a rear protecting plate on front andrear sides of the base plate are arranged in a splayed shape on the side face of the robot body. The robot can reduce the probability of gouging missing, and the stability of the robot body is improved.

The invention discloses a lotus-type mine explosion door. The lotus-type mine explosion door comprises a base frame and four explosion door bodies, wherein the explosion door bodies are composed of four sectorial explosion door doubling plates, oil cylinders are rotationally installed on one sides of the upper parts of the explosion door doubling plates, the base frame is installed at the upper part of a ventilation shaft, a circle of explosion door foundation is arranged on the periphery of the ventilation shaft in the circumferential direction, and the bottom end of the base frame is fixedlyconnected with the explosion door foundation. Sealing is conducted by adopting a piece of rubber, the sealing surface is wide, the sealing can be effectively conducted, no air leakage is ensured, theproblems of liquid volatilization and freezing in winter of liquid sealing are overcome, the influence of seasons on the sealing is small, liquid is not needed to be supplemented, the oppositely-opening structure of four pieces of explosion door doubling plates are adopted, the opening is easier, when in gas explosion, it is guaranteed that the explosion door cannot be blown up, and the guaranteeis provided for quick reset; and the explosion door doubling plates can be freely opened and closed, the explosion door doubling plates are not easily fly out by a gas flow when in explosion, the explosion door doubling plates are not easy to damage and can be repeatedly used, and the cost is saved.

The invention discloses green, environment-friendly and dust-free chalk. A formula of the chalk is as follows: 15-20 parts of burnt gypsum powder, 15-20 parts of large white powder, 15-20 parts of water, and 3-5 parts of color paste, wherein the color paste is an aqueous solution comprising 2-5 parts of polyvinyl acetate emulsion, 2-3 parts of polyvinyl alcohol and 50 parts of water. The chalk has the characteristics that the chalk is fluent in writing, clear in handwriting, moderate in hardness and less in dust, and the dust does not rise easily.

The invention relates to sand screening equipment, in particular to sand screening equipment for rural domestic waste water treatment structure project construction, and aims at achieving the technical purpose of providing the sand screening equipment for rural domestic waste water treatment structure project construction, wherein the sand screening equipment for rural domestic waste water treatment structure project construction is capable of saving time, making dust not likely to fly, protecting the work environment and improving the work efficiency and low in labor intensity. To achieve theabove technical purpose, the sand screening equipment for rural domestic waste water treatment structure project construction is provided and comprises a bottom plate and the like. Supports are vertically arranged on the top of the bottom plate in a left-right symmetry manner through a bolt connection way, and the top of the part, between the two supports, of the bottom plate is provided with a collecting frame in a bolt connection manner, and a screening device is arranged between the two supports. The sand screening equipment for rural domestic waste water treatment structure project construction achieves the effects that the time can be saved, dust is not likely to fly, the work environment is protected, the work efficiency can be improved, and the labor intensity is low.

Provided is an electrostatic precipitator that, when collecting particulate matter (PM), does not require a large-volume air purging unit, tends not to clog, exhibits minimal re-entrainment even in high-speed air flows, demonstrates excellent collection performance, and tends not to fail. The present invention is provided with: a plate electrode (20) in which are formed a plurality of holes through which PM passes; a discharging electrode (30) disposed so as to face one surface of the plate electrode; a discharge generation unit for applying a voltage between the plate electrode and the discharging electrode to generate a discharge for providing a Coulomb force to the particulate matter; a PM-collecting collection region formed on the side opposite the side on which the discharge electrode faces the plate electrode; a gas circulation region (33) in which a PM-containing gas is caused to circulate, the gas circulation region (33) formed between the plate electrode and the discharging electrode; and a PM recovery unit (50) that separatingly recovers PM collected by circulating a recovery gas in a direction intersecting the PM-gas circulation direction in the collection region.

A preparing method of biological fertilizer bacterium granules is disclosed. Microbial spores are produced by liquid fermentation by utilization of a bacterium strain, and are then collected. A semi-finished bacterium powder product is prepared by freeze-drying, powder milling, and other steps, or semi-finished bacterium powder is prepared by directly spraying drying. The semi-finished bacterium powder comprises an excipient and an extender, and is prepared into the biological fertilizer bacterium granules by using a granulator.

The invention provides a dust remover for the ground of a construction site. The dust remover comprises a vehicle body; one side of the vehicle body is provided with a push handle; a spraying device is arranged in the vehicle body; the front end of the vehicle body is provided with a dust absorbing device; the spraying device comprises a water storage tank; the water storage tank is arranged in the vehicle body; a water pump is further arranged in the vehicle body; the water storage tank is connected with the water pump through a pipeline; the water outlet end of the water pump is connected with a water outlet pipe; and the water outlet pipe is led to the exterior of the vehicle body, and is connected with atomizing nozzles. According to the dust remover for the ground of the constructionsite, the spraying device is employed to perform dust falling treatment on dust in the air, and the dust on the ground is not liable to fly with the wind after water is sprayed onto the dust on the ground; and meanwhile, the dust absorbing device is employed to absorb the dust on the ground.

The invention discloses a chuck vane wheel which grinds and polishes metal and nonmetal surfaces and comprises an end cover and an end cover flanging of an outer circle of the end cover; wherein, an inner circle is arranged in the end cover flanging; a group of abrasive cloth sheets are bound on the inner circle; the arc radians of the arc abrasive cloth sheets are the same; a connecting line of two end points of the arc abrasive cloth sheet and a connecting line of the most outer end point of the abrasive cloth sheet and a circle center of the end cover form the included angle of 10 to 50 degrees. The abrasive cloth sheet contacts the ground parts with the largest area and therefore has the advantages of improving the grinding efficiency, prolonging the service life, causing the abrasive cloth sheets not to easily break or fly so as to increase the security as well as reducing the requirements of performance of adhesives, decreasing the use amount of adhesives and reducing the cost at the same time.

The invention discloses a tobacco seedling early planting method with green protection. The method is characterized in that planted tobacco leaves are regarded as a staple crop, through planting of hairy vetches at first, green protection is achieved, the soil temperature is stabilized, aphides are prevented, soil moisture is maintained, chloride ion absorption of tobacco plants is reduced, and potash fertilizer and nitrogen fertilizer absorption during growing is increased. The method includes the steps that in the early stage (from the end of April to the end of May) after tobacco seedling transplanting, under the condition that thin films are not used, the effects are achieved that the soil temperature of tobacco plant root areas is stabilized, the aphides and the tobacco mosaic are prevented, and early planting with green protection is achieved; the transplanting time is advanced, the times of formation, growth, ripening, harvesting and curing of the tobacco leaves are shifted to an earlier period when the ecological conditions such as illumination, temperature and moisture are the best; ripening and harvesting are not delayed, and low temperature in the late period is avoided; in June, dead hairy vetches cover the ground between tobacco furrows, so that weed germination is controlled, and potash fertilizer and nitrogen fertilizer absorption during growing is increased; turning and pressing are conducted after tobacco harvesting, so that organic materials in soil are increased, and the microenvironment of the tobacco soil is improved; the method has the advantages that residual agricultural films do not exist, and herbicide is not used, so that the environment is not polluted.

The invention provides a detachable blackboard eraser dust extraction device which comprises a dust extraction box, a hook, dust extraction sawteeth, a closing mechanism and a baffle. The hook and the rear side of the dust extraction box are integrally formed. An opening is formed at the upper end of the dust extraction box and is closed through the closing mechanism. The dust extraction sawteeth are arranged on one side of the outer side edge of the opening of the dust extraction box. The baffle is connected with the upper ends of the left side and the right side of the dust extraction box in a riveting mode. After the baffle is vertically turned up, the baffle, the closing mechanism and the dust extraction box form a cavity body with a half closed. A dust containing box being capable of being drawn out is located inside the dust extraction box and is outwards drawn through a handle fixed on the dust containing box. According to the detachable blackboard eraser dust extraction device, dust on a blackboard eraser can be conveniently scraped, the dust is not prone to fly upward, and the detachable blackboard eraser dust extraction device is economical and practical.

The invention discloses a conveyer system, belonging to a chemical industry production device. The conveyer system comprises a sealed shell, a feeding hole, a discharge hole, a driving wheel, a driven wheel, a bend wheel, a suction opening, a conveyer belt, a scraping device, a dumbbell basket type carrier roller, a carrier roller bearing seat and an adjusting screw rod. The conveyer system solves the technical problems that in the production process, dust is easily generated, equipment can be easily corroded, and bonding is easily caused. The conveyer system is mainly used as a chemical fertilizer production device or other chemical industry production devices. The conveyer system is low in manufacturing cost, long in service life and free from dust in the environment when in work, and ensures that the conveyer belt is not bonded with the dumbbell basket type carrier roller.

The invention relates to paint spraying equipment, in particular to paint spraying equipment for wood production, and aims to solve technical problems in the prior art. In order to solve the above technical problems, the paint spraying equipment which has the effects that time is saved, the paint spraying effect is good, paint is not easy to splash during the paint spraying process, and the surrounding environment is not influenced is provided. The paint spraying equipment comprises a workbench and the like, wherein an n-shaped frame is mounted at the top of the workbench; a 7-shaped plate ismounted at the top of the n-shaped framer; a tank body is mounted at the middle of the top of the n-shaped frame; an unloading hopper is mounted at the upper part of the right side surface of the tankbody and communicates with the tank body; a stirring device is arranged at the middle of the inner top of the 7-shaped plate; and a stirring part of the stirring device is positioned in the tank body. According to the paint spraying equipment provided by the invention, the paint and a diluent are stirred through the stirring device; the paint is sprayed onto wood through a paint spraying device;furthermore, a shielding device is arranged, so that the paint is prevented from splashing when being sprayed through a spray head; and the paint spraying equipment achieves the effects that time is saved and the paint spraying effect is good.

A kind of mould coal contains 60-90%(w) coal-washed mud, 10-20%(w) ocher. First, mix round evenly the components in the coal moulder and then add 1-5% water to it. Secondly, mix around evenly in the blender. Finally, put the compound into coal moulder for extrusion. The source of this invention can be gained abroad and it has a simple production and low cost. Additionally, the mould coal can be easily transported and hardly broken up. Moreover, because it is no ash when being stored, it can reduce the pollution to the environment. And it advances the deep processing of the flotsam. Also, the cost of this kind of mould coal is cheaper by 80-100 yuan per ton than crude coal.

The invention discloses a colored spun yarn cleaning and dust removing device which comprises supporting legs, an electrostatic adsorption plate, a rotary shaft, a side plate, a first electric motor,a power line, a winding post, a connecting plate, a second electric motor, a heating tube, a cleaning box, a water filtering ring, a water receiving groove, an installing gap, a dust sucking tube anda groove. The colored spun yarn cleaning and dust removing device has the advantages that colored spun yarns can be quickly fed into the cleaning box through the installing gap formed in the top by installing the cleaning box installed at one end of the side plate and are clean and hygienic through cleaning in the cleaning box. The water filtering ring and the heating tube at one end of the cleaning box make the cleaned colored spun yarns quickly dried, and the device is convenient to use. The electrostatic adsorption plate at the bottom of the side plate and the dust sucking tube in the inside can remove impurities, fluff and the like on the surfaces of the dried colored spun yarns, thread residues and fluff are not prone to free flying in the air when the device is used. The device is convenient to use, can quickly clean colored spun yarns and suck dust, ensures the clean and hygienic use of the colored spun yarns and ensures the body health of workers.