56results about How to "Reduce or avoid harm" patented technology

The invention relates to a cable laying device, comprising fixing shafts, fixing clamp blocks, idler wheels and limiting baffle groups, wherein one ends of the fixing shafts are fixedly connected with the fixing clamp blocks, and the other ends of the fixing shafts are vertically connected with the limiting baffle groups; and the idler wheels are connected on the fixing shaft among the limiting baffle groups through movable supporting of bearings. A guide wheel device for supporting and limiting a cable in a rolling manner is additionally arranged in a cable guide rack. The cable laying device has the advantages of simple structure, and convenience for use; the laying labor intensity is greatly reduced; and the labor is saved. Furthermore, the cable cannot be damaged in a laying process, so that the cable laying quality and the construction speed can be improved.

The invention relates to a spinning forming method of non-dyed flame-retardant viscose colored filaments. The spinning forming method comprises the following steps: providing spinning mixed liquid prepared by mixing a silicon-nitrogen flame retardant, color paste and alpha cellulose glue; providing a spinning acid bath prepared by mixing sulfuric acid, zinc sulfate and sodium sulfate; deforming and filtering the spinning mixed liquid, feeding the spinning mixed liquid into the spinning acid bath by virtue of a metering pump and a spinning nozzle, and carrying out solidification forming and spinning drafting so as to obtain colored continuous filaments; providing a curing treatment liquid containing positive ions Ti<4+> and Ca<2+>; curing the colored continuous filaments; and respectively carrying out water washing, drying and packaging on the cured filaments, so as to obtain the finished colored filaments. According to the spinning forming method, a downstream dyeing procedure is omitted, so that the environmental pollution caused by spinning printing and dyeing wastewater as well as the injury caused by dyed products to human bodies are maximally reduced or avoided.

The invention relates to the field of cutting machine equipment, in particular to a multifunctional groove box cutting machine and a using method thereof. The cutting machine comprises a machine body;a motor is arranged in the machine body, is connected with a cutting saw blade through a transmission mechanism and drives the cutting saw blade to rotate to work through the transmission mechanism;and a protective cover used for wrapping the cutting saw blade is arranged on the machine body and is provided with a guide assembly used for feeding and guiding the cutting machine. According to thecutting machine and the using method thereof, the guide assembly is arranged so that the feeding smoothness of the cutting machine can be guaranteed to a certain degree, meanwhile, the guide assemblyhas a good guiding function so that the grooving efficiency can be improved to a certain degree, by means of the guiding function of a guide mechanism, the grooving straightness can be ensured, and the grooving quality can be improved.

The invention discloses a drill bit with string-shaped water pores and relates to the drill bit with a novel hydraulic structure. The drill bit comprises a drill bit body and cutting structures arranged on the drill bit body, cutting teeth are arranged on the cutting structures, chip grooves and flow paths are arranged among the cutting structures, the water pores are arranged in the flow paths, at least one of the water pores is the string-shaped water pore, the outlet of the string-shaped water pore is formed by at least two circles or ellipses in communication, and the longitudinal section shape of each string-shaped water pores in the lengthwise direction is fan-shaped or nearly fan-shaped in a manner of being larger in the opening and smaller at the bottom. By the arrangement, problems that drilling performance of the drill bit is lowered and service life of the drill bit is shortened due to unreasonable hydraulic structure of the drill bit in rapid drilling and high-temperature drilling are solved.

The invention discloses a production process for intensified nutritional coffee beer. The production process comprises the steps of: adding caffeine into an original beer solution; uniformly mixing the mixture, homogenizing the mixture under a pressure of between 10 and 500 kg/cm2; filling and completely sealing the homogenate; and irradiating the homogenate under 500,000 curiages (Co60 is a radioactive source) for 3-15 minutes to obtain the intensified nutritional type coffee beer. In the invention, 21 microelements or theophylline can be added according to the different requirements of people. The intensified nutritional coffee beer of the invention not only reduces or avoids dangers caused by drunkenness, but also increases microelements needed by a human body and tea fragrance of beer.

The invention provides a building outer wall monitoring module and a building. The building outer wall monitoring module comprises a composite photoelectric film used for being attached to the surface of a building outer wall and an electric signal detection unit electrically connected with the composite photoelectric film. The composite photoelectric film comprises a piezoelectric film layer made of a piezoelectric polymer material, an electrode leading-out wire is formed on the piezoelectric film layer, and the piezoelectric film layer outputs a changing electric signal through the electrode leading-out wire when the surface of the building outer wall generates stress change; and the electric signal detection unit is electrically connected with the electrode leading-out wire and is used for detecting an electric signal on the electrode leading-out wire. According to the method, the safety risk of the state of the building outer wall can be effectively identified and controlled, early warning is carried out on the abnormal operation state of the building outer wall such as falling off, and precautionary measures are taken, so that potential hazards are reduced or avoided.

The invention discloses a drill with an open water hole and belongs to the technical field of drilling. The drill comprises a drill body, cutting structures, cutting teeth, chip grooves, an inner flow passage and the water hole, wherein the cutting structures are arranged on the drill body; the cutting teeth are formed in the cutting structures; the inner flow passage is arranged in the drill body; the chip grooves are formed between the cutting structures; the water hole is formed between the inner flow passage and the chip grooves, and the inner flow passage and the chip grooves are communicated via the water hole; only one water hole is provided, and the water hole is big in opening and small in bottom on the whole; the opening in the bottom of the water hole is directly communicated with the opening in the top of the inner flow passage; the area of the opening in the bottom of the water hole is consistent with or substantially equal to the opening in the top of the inner flow passage. In order to solve the problems that a conventional drill is shortened in service life and decreased in drilling performance due to unreasonable structure of a drill hydraulic structure in the rapid drilling and high-temperature drilling processes, the invention particularly provides the drill with the open water hole.

The invention provides a safety belt shaking warning device, which comprises a clamping mechanism, a clamping driving mechanism and a shaking driving mechanism. The clamping driving mechanism is arranged on the clamping mechanism and used for driving the clamping mechanism to clamp a safety belt. The shaking driving mechanism is connected with the clamping mechanism and used for driving the clamping mechanism to reciprocate, and thus, the safety belt clamped by the clamping mechanism is alternately tightened and loosened. The clamping driving mechanism drives the clamping mechanism to clamp the safety belt, and the shaking driving mechanism drives the clamping mechanism to reciprocate to further drive the safety belt clamped by the clamping mechanism to be alternately tightened and loosened, so that the safety belt shakes to tactually and directly remind a driver and/or passengers of an emergency state, then the driver and/or the passengers can timely react to correct operations, and time difference of early warning signals reaching operation reaction chains of the driver and/or the passengers is sharply reduced.

The invention provides a safety thermal insulation single-hole wash basin tap. The safety thermal insulation single-hole wash basin tap comprises a tap base and a control handle switch; the control handle switch comprises a sleeve matched with the upper end of the tap base, and a poking rod arranged on the side surface of the sleeve; a mechanical water control valve is arranged in the tap base; the control handle switch is connected with the mechanical water control valve; a water outlet pipe with a downward water outlet is arranged on one side of the tap base; a water inlet is formed in the lower end of the tap base; a pipe wall of the water outlet pipe is of a double-layer structure; the pipe wall comprises a pipe outer layer, a pipe inner layer and a middle thermal insulation layer; a protective sleeve coats the water outlet of the water outlet sleeve; a water flow channel is formed in the center of the protective sleeve; the protective sleeve comprises a rubber leather bowl, and a tubular connecting head connected with the water outlet pipe; and the rubber leather bowl is fixedly connected with the connecting head. The water outlet pipe adopts double-layer thermal insulation; the rubber leather bowl of the water outlet can achieve a buffer effect to reduce or prevent harm to human bodies by the tap; and meanwhile, the rubber leather bowl is bowl-shaped to prevent water from splashing to a certain extent.

The invention relates to the field of spectacles, in particular to an intelligent spectacle screen. The intelligent spectacle screen comprises a spectacle lens, the spectacle lens is provided with an anti-abrasion area and an anti-radiation area, the anti-abrasion area is located at the side edge of the spectacle lens, the anti-radiation area is located within the range surrounded by the side edge of the spectacle lens, a protective film is plated to the anti-abrasion area, and a transparent conducting film is plated to the anti-radiation area. According to the intelligent spectacle screen, the protective film is plated to the anti-abrasion area of the spectacle lens and used for preventing lapped corners of the spectacle lens from being abrased and scratched, the effect of protecting the spectacle lens is achieved, the transparent conducting film is plated to the anti-radiation area of the spectacle lens and used for achieving the anti-radiation effect, harm of electromagnetic radiation can be lowered or avoided, in addition, due to the protection of the anti-abrasion area located at the periphery of the anti-radiation area, the transparent conducting film can be not prone to abrasion or damage, and the intelligent spectacle screen is great in practicability, capable of resisting to radiation and not prone to abrasion.

The invention discloses a multi-sulfo surfactant as well as a preparation method and application thereof. The method comprises the following steps: 1) dissolving dipentaerythritol in a first solvent,adding triethylamine, stirring and heating to 50-60 DEG C, dropwise adding perfluorovaleryl fluoride while stirring, continuously heating to 75-85 DEG C, stirring and reacting for 4-6 hours, washing the product, and performing extraction to obtain a faint yellow solid; 2) dissolving the faint yellow solid in a second solvent, adding sodium hydroxide after the faint yellow solid is completely dissolved, stirring and reacting at 25-35 DEG C for 0.5-1 hour, adding a sulfonate solution, heating to 75-85 DEG C, carrying out heat preservation for a period of time, and carrying out suction filtrationon a reaction product to obtain a solid, namely a product; and 3) adding a catalyst and a third solvent into the obtained solid product, dropwise adding diisocyanate, reacting for 3-5 hours at the reaction temperature of 40-60 DEG C, and drying in vacuum to obtain the multi-sulfo surfactant. The surfactant solves the problem that the surface activity is not high enough due to short fluorocarbon fragments, and the surfactant is used as a chemical oil displacement agent to improve the recovery ratio of crude oil in tertiary oil recovery.

The present invention relates to a method of managing and monitoring the labor protection information, mainly for solving the problems in the prior art that the labor protection and management are not united, are lower in efficiency, and are not standard. By the method of managing and monitoring the labor protection information of the present invention, users log in a labor protection information management and monitoring platform via a piece of labor protection information management and monitoring software for the labor protection information management and monitoring. The labor protection information management and monitoring platform comprises a database management system and a labor protection information management system, and the database management system comprises a basic information database and a labor protection information management business model base. The labor protection information management system can realize the functions of the dynamic management of the labor protection information of the staff, the effective control and management of the labor protection cost, the intelligent management of the procurement and distribution of the labor protection articles, the dynamic early warning monitoring, the statistic analysis and the data mining of the labor protection information, and the system management. By the technical scheme, the above problems are solved better, and the method of managing and monitoring the labor protection information can be used for the labor protection information management and monitoring.

The invention provides a safe single-hole wash basin faucet having the filtering function. The safe single-hole wash basin faucet having the filtering function comprises a faucet shell and an uplifting type handle switch. A water outlet pipe with a downward water outlet is arranged on one side of the faucet shell. The lower end of the faucet shell is provided with a water inlet. The water outlet end of the water outlet pipe is detachably provided with a protective sleeve. The protective sleeve comprises a rubber cup and a cylindrical component connected with the water outlet pipe. The rubber cup is fixedly connected with the cylindrical component. The cylindrical component is made of transparent materials. A filtering device is arranged in the cylindrical component. The cylindrical component is connected with the water outlet pipe in a threaded manner. The safe single-hole wash basin faucet having the filtering function can effectively filter and purify water flow, and the filtering device is convenient to replace; meanwhile, the cylindrical component is made of the transparent material, so that the filtering process is transparent and visible, and a user can conveniently observe the water quality and observe whether the filtering device normally operates or not; besides, the rubber cup can achieve the buffering function and reduces or avoids the harm of the faucet to human bodies, the rubber cup is in a bowl shape, and water splashing can be prevented to a certain extent.

The invention provides a safe shower faucet which comprises a faucet shell, a handheld shower head and a hose. A water inlet is formed in the back wall of the faucet shell, a water outlet is formed inthe lower wall of the faucet shell, an electromagnetic water valve and a control chip are arranged in the faucet shell, a control switch is arranged on the front wall of the faucet shell, the electromagnetic water valve and the control chip are electrically connected to the control chip separately, a plurality of water outlet holes are formed in the front surface of the handheld shower head, thelower end of the handheld shower head is connected to the water outlet of the faucet shell, a flexible layer coats the surface of the handheld shower head, and a wavy air bag is arranged on the periphery of the flexible layer. According to the safe shower faucet provided by the invention, the flexible layer and the wavy air bag coat the surface of the handheld shower head to play a better buffering role, so that damage to a user by handholding the shower head is reduced or avoided.