298results about How to "Ensure physical and mental health" patented technology

The invention discloses an ultrafine pulverizer. A gear ring of a pulverizing mechanism of the ultrafine pulverizer is formed by connecting and splicing a plurality of identical gear ring arc sections end to end; inclined teeth inclining towards the axial direction of the gear ring are arranged in the arc sections of the gear ring; alloy strips are arranged on the inclined teeth by oxygen welding; a plurality of grooves are formed in the alloy strips; a dentoid structure is arranged on one side, facing to the gear ring, of each hammerhead; the dentoid structures are inclined teeth inclining towards the normal direction of a wearproof tray; and the inclination directions of the inclined teeth on the hammerheads are opposite to those of the inclined teeth on the gear ring. According to the ultrafine pulverizer, with the adoption of the inclined tooth structures of the gear ring and the hammerheads, the impact of a high-speed air flow on materials in the pulverizer is improved, and the collision and the friction among materials are increased, so that the pulverizing efficiency and effect are improved effectively; the yield by the pulverizer is increased; the abrasion performances of the hammerheads and the gear ring are improved with the adoption of the alloy materials; the service life of the hammerheads and the gear ring is further prolonged; and the maintenance cost is reduced.

The invention discloses an intelligent student work and rest time control robot based on machine vision and voice interaction, and belongs to the technical field of artificial intelligence. The robotcomprises a robot body and a mobile phone APP (application) matched with the robot body, and the robot body mainly comprises a hardware portion which comprises a main controller, a data storage, a video processor, a binocular camera component, a human body infrared sensor, a voice recognition module, a microphone, a WIFI (wireless fidelity) data interface, a Bluetooth wireless data interface, a USB (universal serial bus) wired data interface, a loudspeaker, base cloud deck and the like. The robot automatically supervises and urges students to learn and rest according to plans by the aid of a microprocessor and voice interaction, sitting postures of the students in learning are monitored by the aid of binocular vision identification and are corrected in a reminding manner through voice broadcast, vision and infrared are combined to detect get up states of the students, the robot urges the students to get up by the aid of personalized wake-up modes, and the work and rest plans are conveniently written, generated, downloaded and monitored by the aid of the matched intelligent mobile phone APP.

The invention discloses a chip removal device for a carving machine. The chip removal device comprises a bed body and a chip cleaner. A portal frame crossing the two edges of the bed body is arranged on the bed body, the chip cleaner comprises a sloping baffle, the sloping baffle is located below the working surface of the bed body, and a scrap transmission mechanism is arranged below the sloping baffle; a scrap collecting chamber is arranged below the scrap transmission mechanism, a material-conveying belt is arranged on the bottom surface of the scrap collecting chamber, and an oscillation starting machine is installed on the lower end surface of the sloping baffle; and the scrap transmission mechanism comprises a rotating shaft and a conveyer belt, a scraping plate is installed on the conveyer belt, and a hair brush is installed at the end of the scraping plate. According to the chip removal device for the carving machine, cutting fluid, metal scraps, fines and dust and the like can be effectively separated, iron scraps are prevented from accumulating, and recycling is achieved; and environmental pollution is reduced, and a clean, tidy and healthful working environment is provided for workers.

The invention relates to a large torpedo ladle blanking and assembly welding method, belonging to the technical field of molding, assembly and welding of smelting equipments, comprising the steps as follows: the blanking and molding of a ladle body and a ladle mouth, the use of a feasible positioner and a fixture to guarantee the assembly precision of a large cylinder and a trunnion, the making of the torpedo ladle welding craft; analyzing the weldability of the steel, choosing a plurality of welding materials and craft parameter, choosing the a low hydrogen type welding rod for tack welding, choosing mixed gas for protection welding, using the narrow track multi-layer welding, and before welding the cylinder and the trunnion, firstly a groove and the welding area are grinded and leaned by a polisher. After butt-mounted, the manual arc tack welding is used; the groove surface is checked by magnetic powder, which is qualified if none of drawback is checked out; the steel plate and the trunnion welding area are preheated evenly; before tack welding, the low hydrogen type welding rod is dried, then the symmetric tack welding is processed, and the interlaminar stress is eliminated by side welding; after the welding, the heat insulation is processed to cool slowly; the weld joint is checked by ultrasonic inspection, and the T-shaped joint is processed by RT checking. The invention has the advantages that the butt-mounted gap dimension of the cylinder and the trunnion is matched to the process requirements, and the coaxiality of the trunnion is less than 1 mm.

The invention discloses a multifunctional office chair. The multifunctional office chair comprises a seat cushion, armrests and a chair back which are fixed on a chair frame; the chair back is connected with an idler wheel massaging device below the seat cushion, a back knocking and massaging device and a chair back inclined device; the idler wheel massaging device, the back knocking and massaging device and the chair back inclined device are connected with a transmission device at the bottom layer of the chair frame and obtain power from the transmission device; the tail end of the transmission device is leaned against a locating rod and a slide link and is connected with a treading block receiving external power; and the treading block is connected with a treading frame and can swing around the treading frame. According to the mode, the multifunctional office chair achieves multiple functions of waist and back exercising, shoulder and neck massaging, an office chair and the like and is simple and easy in operation manner; the massaging device arranged at the chair back is simple and convenient to start so that legs can be exercised at the same time during waist and back exercising, shoulder and neck massaging, thus the space and time are effectively saved, and the physical and psychological health of office staffs is kept.

The invention discloses an initiative electromagnetic control system for slab and girder structure vibration. The initiative electromagnetic control system comprises a mechanical portion and a control portion. The mechanical portion comprises a wall made of nonferromagnetic materials, a slab and girder structure and electromagnets. One end of the slab and girder structure is connected with the wall, a displacement sensor is arranged on the slab and girder structure, and the electromagnets include electromagnets A, B, C and D. The control portion comprises a computer, a power amplifier and a full-wave rectification circuit without a filter. The computer is connected with the displacement sensor, an input end of the power amplifier is connected with the computer, one path of an output end of the amplifier is connected with the electromagnets A and D through a bridge rectification circuit without a filter while the other path of the same is directly connected with the electromagnets B and C. When the slab and girder structure vibrates, magnetic pole polarity and magnetic field intensity of the electromagnets can be automatically changed to attenuate the vibration quickly, so that damages to a mechanical system caused by vibration are reduced.

The invention provides a dual-purpose functional bed with refrigration and warming functions. The bed comprises a bedstead for forming a bed structure, a heat insulating layer located below the bedstead for effectively preventing heat emission and loss, and the upper part of the insulating layer has a matching facility with warming and cooling effects, a wood striped cover with porous structure for the hot gas below flowing up to the upper part, and a soft elastic pad placed on the cover for user to lie on, etc.

The invention discloses a novel circuit board automatic milling machine. The milling machine comprises a micro motor, a horizontal moving device, milling cutters, a dust and water collection device, dust and water infiltration holes, a working platform, a collection box, a machine body, foot pads, a sliding groove guiding rail, a controller, a motor and a vertical moving device, the foot pads perpendicular to each other are installed on four corners of the bottom surface of the machine body, and the machine is provided with four foot pads. The novel circuit board automatic milling machine hasthe advantages that the automatic milling machine is provided with the dust and water collection device to separately collect dust and water while the dust and the water are collected by the dust andwater collection device, so that dust impurities are not splashed everywhere and cleaning is convenient, workloads of the cleaning are reduced, so that workloads of operators are reduced, water sources are not slashed everywhere, so that waste of the water sources is prevented and the water sources can be reused, and a good working environment is created for the operators, thereby guaranteeing physical health and mental health of the operators.

The invention belongs to the technical field of metal pipe machining, particularly relates to a pipe orifice grinding device for metal pipe machining. Aiming at the problems that a fixing mechanism ofa traditional pipe grinding device is simple and the fixing effect is general, the following scheme is provided, the pipe orifice grinding device comprises a workbench with legs welded at four corners at the bottom, a pipe fixing mechanism and an adjusting polishing mechanism are mounted on the two sides of the top end of the workbench correspondingly, the pipe fixing mechanism comprises a sliding plate slidably connected to the workbench and second stand columns welded to the two ends of the top of the sliding plate, a first stand column is welded to the other side of the workbench, and fixing supporting rings are welded to the top end of the first stand column and the top end of one of the second stand columns and rotationally connected with extending ends. Through mutual cooperation among the arranged fixing ring, the arranged threaded abutting rod and the arranged arc-shaped pressing plate, the metal pipe can be effectively fixedly grinding, and the situation that the grinding quality is affected due to shaking in the grinding process is prevented.

A waste gas purification device for pharmacy and chemical industries comprises a bottom plate, pushing devices, a purification device, a gas inlet device, a concentration device, first gas outlet devices, water inlet devices, a second gas outlet device and a recovery device, wherein first supporting blocks and first rollers are arranged on the bottom plate; each pushing device comprises a first air cylinder, a first support, a first pushing rod and a first pushing plate; the purification device comprises a purification tank, a first transverse plate, a first retaining frame, a first concentration plate, first cross rods, a first pipeline and first fixing frames; the gas inlet device comprises a gas inlet pipe, a first supporting rod, a first oblique rod, a second support, a gas inlet hopper, a first partition board, a first fan, a third support and fourth supports; the concentration device comprises a concentration frame, a second transverse plate, second oblique rods, a first filtering frame, a first concentration hopper and a first sealing ring; each first gas outlet device comprises a second partition board and a first connection rod. The waste gas purification device can completely purify waste gas in workshops of the pharmacy and chemical industries and clear dust and other impurities in the workshops.

The invention discloses a static balance, couple balance and dynamic balance measuring device with a high separation ratio, belonging to the dynamic balance detection equipment. The external periphery of a vibration disk (2) is correspondingly provided with a permanent seat (3); the vibration disk (2) is respectively provided with a lateral torsional mechanism (4), a crookedly-swinging mechanism (5), a horizontal tension and compression sensing mechanism (6) and a vertical tension and compression sensing mechanism (7), wherein a horizontal tension and compression bar (61) in the horizontal tension and compression sensing mechanism (6) is provided with a horizontal sensor (63); a vertical tension and compression bar (71) in the vertical tension and compression sensing mechanism (7) is provided with a vertical sensor (73); and the horizontal sensor (63) and the vertical sensor (73) are respectively connected with a computer measuring and controlling system. The purposes of correcting static unbalanced force and coupled unbalanced force can be achieved. The measuring device has the advantages of high measuring precision, small detection error, simple complete machine structure, few parts and small volume, is convenient to operate and stable to operate, and the labour productivity and the economic benefit of static balance, couple balance and dynamic balance measurement and correction can be greatly improved.

The invention relates to an enema for treating pelvic inflammation and other disease which comprises (by weight ratio) honeysuckle flower 12-24%, cnidium fruit 12-24%, dandehon herb 8-18%, wild chrysanthemum flower 8-18%, Philippine violet herb 8-18%, coix seed 8-18%, herba patriniae 6-16%, sargentgloryvine 6-16%, red peony root 5-10%, corydalis ambigua 5-10%, toosendan fruit 4-9%.

The invention provides a three-dimensional heat-insulating reinforced concrete liner for mines. The three-dimensional heat-insulating reinforced concrete liner consists of two parts of a three-dimensional reinforced mesh casing bracket and a heat insulating support concrete spraying layer, wherein the three-dimensional reinforced mesh casing bracket is a full-closed three-center arch which is spliced from several mesh casing structural members and is fixed on the surface of country rock, so that an external support framework is formed, ground pressure is jointly withstood by the external support framework and a rock consolidation ring; heat insulating support concrete is formed by mixing haydite, vitrified micro bubbles, polypropylene fibers and common concrete, and is packed in the mesh casing bracket. The vitrified micro bubbles and haydite form a porous structure in the concrete, so that the coefficient of thermal conductivity is effectively reduced, and concrete has a good heat-insulating effect; the heat insulating concrete is sprayed and coated to a three-dimensional reinforced mesh casing, the concrete is packaged in numerous small-span bidirectional reinforcing bar arch casings, pulling and shearing stress borne by the spraying layer is obviously reduced, and the compressive strength is fully utilized, so that the requirement for the heat insulating support of tunnels can be well met, the healthy body and mind of staff working underground can be guaranteed, and the working efficiency in the underground mines is improved.

The invention discloses a printing ink with high heat resistance. The printing ink is prepared from the following constituents in parts by weight: 5-10 parts of 1053 organic silicon resin, 2-4 parts of 9801 organic silicon resin, 1-2 parts of 804 organic silicon resin, 4-6 parts of thermoplastic acrylic resin, 10-15 parts of an alcohol-dissolving polyurethane solution, 9-10 parts of ternary hydroxyl-modified vinyl resin copolymer, 20-25 parts of a pigment, 20-25 parts of acetic acid, 22-25 parts of ethanol, 1-2 parts of ethyl acetate, 3-4 parts of acrylonitrile butadiene rubber, and 4-5 parts of acetone, wherein the mass concentration of the alcohol-dissolving polyurethane solution is 20-25%. The printing ink disclosed by the invention is high in heat resistance, is free of any change in color, any deformation and glue phenomenon when the temperature is larger than 100 DEG C, and is suitable for printing various materials; furthermore, the adhesive force is high, so that the pigment is durable and free of falling off; the printing ink is quick in drying, and the solvent on the printed material after printing is low in residual quantity, so that physical and psychological health for printing ink makers, pressmen and printed material users is guaranteed.

The invention discloses an environment-friendly printing ink with high adhesive force. The environment-friendly printing ink is prepared from the following constituents in parts by weight: 10-13 parts of an alcohol-dissolving polyurethane solution, 15-18 parts of ternary hydroxyl-modified vinyl resin copolymer, 35-38 parts of a pigment, 25-29 parts of acetic acid, 18-20 parts of ethanol, 18-20 parts of rosin pentaerythrityl ester, 5-8 parts of microcrystalline wax, and 5-6 parts of acrylonitrile butadiene rubber, wherein the mass concentration of the alcohol-dissolving polyurethane solution is 36-38%. The environment-friendly printing ink with the high adhesive force disclosed by the invention is high in adhesive force, and suitable for printing various materials; the pigment is durable and free of falling off; the printing ink is quick in drying, bright in color, and free of toxic substances in the constituents; the solvent on the printed material after printing is low in residual quantity, so as to guarantee physical and psychological health for printing ink makers, pressmen and printed material users; the printing ink is good in adaptability, can be used for different seasons to obtain identical printed products, and is good in printing effect.

The invention relates to the field of animal husbandry and animal reproduction and particularly discloses a method for improving the fertility including the litter size and the sexual period breeding rate of older animals. It is found for the first time that the sexual period breeding rate and the litter size of multiparous animals can be remarkably increased by enabling the older animals to orally take a proper dose (the daily dose ranges from 0.05 g/kg to 1.58 g/kg) of alpha-ketoglutarate for a long time. The multiparous animals take alpha-ketoglutarate by adding alpha-ketoglutarate to drinking water or feed of the animals, adding according to requirements can be conveniently achieved, the dose can be changed in time, and the method can be widely used under an automatic feeding and water feeding system. The method is applied to livestock breeding, the edible safety of meat can be guaranteed, and meanwhile development of the breeding industry is also promoted.