84results about How to "Prevent splashing and hurting people" patented technology

The invention discloses a workpiece polishing device comprising a machine frame. The machine frame is connected with polishing rollers, a reciprocating air cylinder, a first limiting switch and a second limiting switch. The reciprocating air cylinder is provided with a telescopic rod. A clamping jaw is arranged on the telescopic rod. The telescopic rod is provided with a connecting rod and connected with a rack. The rack is meshed with a gear. The gear is coaxially connected with a first rolling wheel. The first rolling wheel is provided with a second rolling wheel through belt tensioning. The second rolling wheel is coaxially connected with an impeller. The impeller is provided with a seal shell. The seal shell communicates with a first t-branch pipe and a second t-branch pipe. The first t-branch pipe communicates with a first collecting bag and a first forked pipe. Pipe openings of the first forked pipe are located at feeding openings of the polishing rollers. The second t-branch pipe communicates with a second collecting bag and a second forked pipe. Pipe openings of the second forked pipe are located at discharging openings of the polishing rollers. Stop sheets are arranged in both the first t-branch pipe and the second t-branch pipe. Compared with the prior art, the workpiece polishing device improves the work efficiency of polishing and collects generated iron chips.

The invention discloses a rust removal device of an environment-friendly steel pipe end surface, and belongs to the field of environmental protection engineering equipment. An exhaust device is fixedbehind a third support, a motor is fixed at the top of a motor base, a grinding device is fixed on a main shaft of the motor, a magnet is fixed at the top of a second support, is positioned right below the grinding device, and a limiting support is fixed at the top of a first support. According to the device, a steel pipe is clamped by a first pressing block and a second pressing block, the grinding device is driven by the motor to rotate at a high speed, an end eliminating device and a surface eliminating device are used for grinding an end head and an outer surface of the steel pipe, and thecompletion of steel pipe derusting operation is replaced with manual operation, iron scraps generated by the magnet attraction and grinding are prevented from splashing to hurt people, poisonous smoke dust generated in a grinding process is adsorbed by the exhaust device, and the poisonous smoke dust is discharged into a waste treatment device, the environment pollution is reduced, the damage tothe body of workers is reduced, and the safety of the workers is guaranteed.

The invention relates to an expressway broken concrete pavement automatic cleaning device. The expressway broken concrete pavement automatic cleaning device comprises a supporting device, a drying device, a shoveling device and a sweeping device. The drying device is installed at the bottom of the left end of the supporting device, the shoveling device is installed at the bottom of the supportingdevice and located on the right side of the drying device, and the sweeping device is installed at the right end of the supporting device. The expressway broken concrete pavement automatic cleaning device can solve the problems that in the existing pavement construction process, pavements are not completely dried, the pavements with different gradients and slopes cannot be dried, the pavements onthe two sides of a road cannot be excavated, road fragments are difficult to grab, fragments of the side walls of an excavated roadbed cannot be effectively cleaned away, and the excavated roadbed isnot completely swept; and the functions that in the pavement construction process, the pavements can be thoroughly dried in all directions and excavated, and the fragments generated after excavationcan be thoroughly cleaned away can be achieved.

The invention discloses a new type of corn thresher, comprising a threshing drum, a servo motor, a blower, a chassis, a vibrating screen and a main shaft pulley. The bottom of the threshing drum is welded with a chassis, and one end of the top of the threshing drum is provided with a feeding hopper , and a corncob outlet is arranged at the bottom, a threshing roller is arranged at the inner center of the threshing drum, the threshing roller is movably connected with the main shaft pulley through the main shaft, and one end of the vibrating screen is fixedly connected to the threshing drum by welding, so The bottom ends of the servo motor and the blower are fixedly connected to the chassis through fastening bolts, the front end of the servo motor is provided with a transmission shaft, and the transmission shaft is movably connected with a motor pulley. The new type of corn thresher has simple structure, convenient use and installation, simple operation, low grain breakage rate, high cleaning rate, high threshing efficiency, low cost, easy popularization and use, and safe and reliable function.

The invention relates to a traffic road pavement renovation automatic bituminous concrete roadbed paving machine which comprise a supporting device, a drying device, a sweeping device and a paving device. The drying device is installed at the bottom of the left end of the supporting device, the sweeping device is installed on the middle portion of the supporting device, and the paving device is installed at the right end of the supporting device. The machine can solve the problems that in the existing pavement construction process, pavements are not completely dried, the pavements with different gradients and slopes cannot be dried, fragments of the side walls of an excavated roadbed cannot be effectively cleaned away, the excavated roadbed is not completely swept, bituminous concrete is not fully mixed, and the excavated roadbed cannot be evenly paved with the bituminous concrete; and the functions that in the pavement construction process, the pavements can be thoroughly dried in alldirections, the excavated roadbed with the fragments shoveled away is completely swept, and the roadbed is evenly paved with the bituminous concrete can be achieved.

The invention relates to an intelligent processing robot of a stainless steel tube. The intelligent processing robot comprises a bottom plate, a conveying device, a cutting and feeding device, a sleeve type fixing device, a cutting device, a clamping device, an adsorption and cleaning device and a stainless steel hollow tube body, wherein the conveying device, the cutting and feeding device, the sleeve type fixing device, the cutting device and the clamping device are installed on the bottom plate in sequence from left to right, and the adsorption and cleaning device is installed on the bottomplate. According to the intelligent processing robot, the problems that a multi-caliber stainless steel hollow tube cannot be preferably clamped and fixed when the stainless steel hollow tube is cutin the prior art, sweeps which are generated when the stainless steel hollow tube is cut cannot be preferably prevented from splashing and hurting people, people need to wear protective equipment forprotection, the sweeps which are generated in a cutting process need to be manually cleaned and collected so as to be recycled and the people are easy to hurt by the sweeps which are generated when the stainless steel hollow tube is manually cut can be solved.

The invention discloses a glass drill machine tool. The glass drill machine tool comprises a transverse fence and vertical pillars fixed to the bottoms of the two sides of the transverse fence, a bottom frame is fixedly arranged between the positions, below the transverse fence, of the vertical pillars, and a first sliding groove is formed in the bottom frame. A first spiral rod leftwards and rightwards extending is arranged in the first sliding groove, a movable block is connected to the first spiral rod in a spiral fit mode, and the upper portion of the movable block is located outside the upper end face of the bottom frame. A sliding cavity is formed in the movable block, a containing groove is formed in the upper end face of the movable block, and a passageway groove vertically penetrating through the interior of the movable block is formed between the key position of the bottom face of the containing groove and the key position of the upper end face in the sliding cavity. A second spiral rod leftwards and rightwards extending is arranged in the sliding cavity, a jacking sliding block is arranged on the second spiral rod, and a first oblique sliding face is arranged above the left side of the jacking sliding block. The glass drill machine tool is simple in structure and low in manufacturing and maintaining cost, lifting drill work can be automatically controlled, automatic angle adjusting of a drill bit is achieved, and the function that people are prevented from being hurt due to scattering of glass broken bits is further achieved.

The invention discloses a concrete sample impact resistance detection device, and relates to the technical field of concrete. The concrete sample impact resistance detection device comprises a bottomplate and an outer frame guard plate. A square hole is formed in the middle of the bottom plate, guide rail columns are fixedly connected to the inner top wall of the outer frame guard plate, and force application springs matched with the guide rail columns are fixedly connected to the inner top wall of the outer frame guard plate. According to the invention, by arranging the force application springs and the guide rail columns, the impact accuracy of an impact block can be ensured when the impact resistance of a concrete sample is detected, and the force application springs can ensure that the impact block obtains a relatively high speed in a relatively short distance, and therefore, the purpose of providing a large impact force under the condition that height of the device is low is achieved; and through arrangement of the square hole, when the concrete sample is impacted and crushed, fragments can directly fall into the square hole, a U-shaped protective plate can prevent the impacted fragments from splashing to injure people, a collecting box can collect the fragments, and the purpose of reducing the sweeping burden of workers is achieved.

The invention relates to an intelligent acid discharge device. The device includes an absorption tower, the absorption tower is connected to a buffer, a first front stop valve, a regulating valve anda first rear stop valve are connected in series between the absorption tower and the buffer, the branch formed by series connection of the first front stop valve, the regulating valve and the first rear stop valve is in parallel connection with a first by-pass valve, the buffer is connected to an acid storage geosyncline, a second front stop valve, an acid discharge regulating valve and a second rear stop valve are connected in series between the buffer and the acid storage geosyncline, the branch formed by series connection of the second front stop valve, the acid discharge regulating valve and the second rear stop valve is in parallel connection with a second by-pass valve, a liquid indicator is disposed at the top of the buffer, and the root regulating valve, the liquid indicator and the acid discharge regulating valve are in connection with a control system. The intelligent acid discharge device provided by the invention can achieve effective collection of the condensate acid of asulfur-to-acid production system and automatic, environment-friendly and safe discharge of the condensate acid into the acid storage geosynclines, and prevents the leakage of sulfur trioxide in the system into the air to pollute the environment and even cause human poisoning.

The invention relates to a method for protecting a glass lamp, and also discloses a formula of protective coating. The method comprises the following steps: treating the surface of the glass lamp with the protective coating through film coating, and then volatilizing a solvent in the protective coating on the surface of the glass lamp by a drying process to obtain a transparent protective film on the surface of the glass lamp, wherein the protective film can prevent the glass lamp from being scratched or directly collided in the transporting and transferring processes; even if the glass lamp is ruptured accidentally, the glass lamp can be completely enwrapped by the protective film and glass fragments are not exposed, so that injuries to a user are avoided.

The invention belongs to the technical field of laser cleaning equipment, and particularly relates to a double-station laser cleaning device. The double-station laser cleaning device comprises a worktable, cleaning stations, a cleaning mechanism and a protective cover. The two cleaning stations are distributed on the work table in a left and right symmetrical manner, each cleaning station includes a rotating platform deck, each cleaning station is provided with an air blowing mechanism and an air pumping mechanism, and the cleaning mechanism is arranged between the two cleaning stations; thecleaning mechanism includes laser cleaning heads capable of moving and rotating above the cleaning stations; and the protective cover covers the outer sides of one cleaning station and the cleaning mechanism, the protective cover is slidably connected with the work table, and the protective cover can be moved from one cleaning station to the other cleaning station. The double-station laser cleaning device greatly improves the work efficiency, reduces the production cost and has the advantages of being simple and reasonable in structure, convenient to operate, high in work efficiency, safe, reliable and the like.

The invention belongs to the technical field of decorative materials, and in particular relates to an electrostatic adsorption flame-retardant film. The electrostatic adsorption flame-retardant film includes a scratch-proof layer, a flame-retardant layer, a heat insulation base layer and a reflecting layer that are sequentially stacked from top to bottom. The scratch-proof layer is formed by coating and curing polyurethane resin added with nano-powder, the flame-retardant layer is formed by extruding and stretching a flame-retardant material and epoxy resin, the heat insulation base layer comprises polyethylene glycol terephthalate and polyvinyl chloride, and the reflecting layer is formed by coating polyimide and inorganic powder. The heat insulation base layer of the electrostatic adsorption flame-retardant film enables the film to generate an electrostatic effect, so that the film is easy to attach, uses a gum-free electrostatic technology, and can be used repeatedly. And the scratch-proof layer on the surface is made of an environment-friendly material, is waterproof, heatproof and oil-proof, is convenient to scrub, can increase the glass strength, and prevents the glass from being broken and splashing to hurt people. The flame-retardant layer can prevent the film from burning quickly, and the safety performance is improved. The reflecting layer can insulate heat and blocksun, realizes effective obstruction and protects privacy, and meanwhile reduces the indoor temperature.

The invention relates to a municipal road cement concrete pavement breaking engineering machine for urban renewal. The municipal road cement concrete pavement breaking engineering machine for the urban renewal comprises a supporting device, a shoveling device and a sweeping device; the shoveling device is mounted at the bottom of the left end of the supporting device; the sweeping device is mounted at the bottom of the right end of the supporting device; the shoveling device comprises breaking push rods, a breaking connecting plate, a breaking electric slide rail, three breaking electric slideblocks, breaking motors, breaking drill rods, breaking bearings, a conveying branch chain, a hoisting boom mechanism, a grab bucket pin shaft, two grab buckets, a grab bucket connecting plate, grab bucket push rods, scraping plates, scraping rotating plates, scraping telescopic rods, scraping rollers, roller connecting plates, two water tanks, a water spraying rod, a cutting plate, a cutting motor, a cutting drill rod, a cutting push rod and a cutting rotating plate. According to the municipal road cement concrete pavement breaking engineering machine for the urban renewal, difficult problemsthat the pavements on two sides of the road cannot be cut, the broken blocks on the side walls of cut roadbeds cannot be effectively cleaned, the cut roadbeds are incompletely cleaned and so on during the existing pavement construction can be solved.

The invention discloses novel multifunctional toughened glass. The glass comprises an organic glass base layer, a vacuum cavity is formed in the middle of the organic glass base layer, and a first polyester buffer layer fixedly adheres to the upper end of the organic glass base layer; a first toughened glass base layer fixedly adheres to the upper end of the first polyester buffer layer, and the upper end of the first toughened glass base layer is coated with a colored glaze coating. According to the multifunctional toughened glass, the first polyester buffer layer, an explosion-proof membranelayer and a second polyester buffer layer are arranged, so that the self-explosion rate of the toughened glass is reduced, and the safety of the toughened glass is improved; by arranging the organicglass base layer and the vacuum cavity, the weight of the toughened glass is reduced, and the sound insulation and heat preservation effects of the organic glass are improved; by arranging the coloredglaze coating, the number of styles of the toughened glass is increased, and the attractiveness is improved; by arranging a hydrophobic coating, a second toughened glass base layer is not likely to be stained by dust and water, and the toughened glass can be cleaned conveniently.

The invention relates to a road administration engineering road construction roadbed digging and pouring intelligent machine. The road administration engineering road construction roadbed digging andpouring intelligent machine comprises a supporting device, a shoveling device, a sweeping device and a paving device; the shoveling device is arranged at the bottom of the left end of the supporting device; the sweeping device is arranged at the middle part of the supporting device; and the paving device is arranged at the right end of the supporting device. The problems that the road surfaces onthe two sides of the road cannot be dug, the road fragments are troublesome in grabbing, the fragments on the side wall of the dug roadbed cannot be cleaned effectively, the dug roadbed is swept incompletely, asphalt concrete is stirred incompletely and the asphalt concrete cannot be paved on the dug roadbed uniformly during the existing road surface construction are solved; and during road surface construction, the road surface can be dug completely, the dug fragments can be removed completely and the asphalt concrete can be paved on the roadbed uniformly.

The invention discloses a process method for improving the quality and yield of continuous casting tail billet, and belongs to the technical field of metallurgical continuous casting. The process method includes the steps that when the tail billet is obtained after continuous casting, a special metallurgical heating agent is evenly sprinkled into a mold liquid level, and when the tail billet is about to be pulled out of a mold, the secondary cooling water is closed sequentially from top to bottom. The metallurgical heating agent can be in chemical reaction with liquid steel of the tail billet,heat is continuously released, and in the absence of the cooling effect of the secondary cooling water, the top of the tail billet remains in a high temperature liquid state, so that the solidification time of the tail billet is prolonged, the volume shrinkage of a liquid core is supplemented by metal iron generated by exothermic reaction and iron of the heating agent, and the purposes of improving the solidification structure quality of the tail billet and the yield rate of the molten steel of the tail billet are achieved.

The invention relates to the field of mold processing, and discloses a pushing device. The pushing device comprises a driving cylinder, a pushing plate and a guiding assembly. A pushing rod of the driving cylinder is connected with the pushing plate. The guiding assembly comprises a guiding shaft, a linear bearing, a fixing plate, a fixing sleeve, a sealing ring and a spring structure. The drivingcylinder is connected with the first end of the fixing plate. The second end of the fixing plate is connected with the linear bearing. The linear bearing sleeves the guiding shaft. One end of the guiding shaft is connected with the pushing plate through the fixing sleeve. The sealing ring is arranged between the fixing sleeve and the guiding shaft. The spring structure sleeves the guiding shaft and is located between the fixing plate and the pushing plate. The pushing device has the advantages of being simple in structure, reliable in work and stable in motion, can accurately and stably pusha mold loading vehicle to prevent vibration, shaking, tilting and the like of the mold loading vehicle.

The invention belongs to the technical field of smart homes and discloses household gauze, anti-mosquito and anti-insect gauze, a multifunctional window and application. The household gauze is woven from FDY, the anti-mosquito and anti-insect gauze is woven from FDY to which an anti-mosquito and anti-insect agent is added, and the outer layer of the multifunctional window is shielded by a gauze sash in a sliding mode. The anti-mosquito and anti-insect gauze is embedded into the gauze sash. A temperature and humidity inductor is embedded into a frame body and connected with a rainwater shielding device through a wire. An electronic control photochromic glass unit is embedded into the frame body, and the electronic control photochromic glass unit and the rainwater shielding device are both wirelessly connected with a remote control end. The abrasion resistance, oxidation resistance and strength of the FDY are greatly improved; in the aspect of the monofilament elongation-at-break Cv value, it is guaranteed that adhesive force is good after the anti-mosquito and anti-insect agent is added; the colors of the electronic control photochromic glass unit change according to different illumination environments, and the optimal practical effect is achieved.

The invention discloses an efficient energy-saving type hydraulic waste steel crusher comprising a machine table, a crusher box is fixedly connected to the upper surface of the machine table, fixing bases are fixedly connected to the two sides of the interior of the crusher box, a mounting box is fixedly connected to one side of the crusher box, and a power motor is fixedly connected to one side of the interior of the mounting box. According to the efficient energy-saving type hydraulic waste steel crusher, through arrangement of an extension protective cover, when fed materials in the crusher box are crushed, people are prevented from being hurt by splashing chippings when waste steel is crushed, and safety is improved. A material pushing plate is arranged, so that when a large amount of scrap steel crushed materials are accumulated in the crusher box, a hydraulic air cylinder can be controlled to operate to drive the material pushing plate to move, materials at the bottom in the crusher box are pushed and then pushed out from the discharging opening, so that the waste steel crushed materials can be conveniently discharged, shutdown treatment is not needed, and the practicability of the crusher is improved.