93results about How to "Meet a variety of use needs" patented technology

The invention belongs to the technical field of engineering machinery, and specifically discloses a full-section hard rock tunnel boring machine cutter head and an excavation method, including a main cutter head mechanism, an expansion cutter head mechanism and a connecting body; The mounting hole of the connecting body of the driving mechanism; the main cutter head mechanism includes the main cutter head, the first slag removal knife, the first hob unit and the first water knife unit; the expansion cutter head mechanism includes several auxiliary cutter head mechanisms; the auxiliary cutter head mechanism It includes an auxiliary cutter head, an auxiliary cutter head installation frame, and a telescopic mechanism; a second hob group, a second water jet group and a second slag removal knife are arranged on the cutting end of the auxiliary cutter head. The water jet group of the cutter head of the present invention can cut the tunnel rock with water flow, and the tunnel rock becomes looser after the water flow cutting, and then the hob unit rolls and crushes the looser tunnel rock, which effectively reduces the excavation stress and protects the hob; The telescopic mechanism connected to the cutter head can change the cutting diameter of the cutter head, which is suitable for the needs of tunnels with various diameters.

The invention provides a nitrogen-doped and carbon-coated magnetic nanoparticle composite microspheres and a preparation method thereof, and belongs to the technical field of materials with an electromagnetic function. According to the method, a glycerin metal complex and a nitrogenous organic compound are taken as main raw materials. A monodispersed glycerin metal complex precursor is prepared according to a self-template method at first; then the surface of the precursor is coated to form a shell by virtue of in-situ polymerization for nitrogenous organic monomers, and a carbon source and anitrogen source are introduced; and finally, calcining is carried out under an inert gas, and a core is subjected to thermal decomposition to form magnetic nanoparticles while the shell is carbonizedto form nitrogen-doped carbon. The nitrogen-doped and carbon-coated magnetic nanoparticle composite microspheres are green and environment-friendly, and efficient and time-saving in preparation process, and suitable for being prepared in a large scale; the electromagnetic parameters of the composite microspheres and the sizes of the magnetic nanoparticles can be regulated and controlled by changing the mass ratio of metal salt to the nitrogenous organic monomers, and an annealing temperature, so that impedance matching and attenuation characteristic are achieved; and the prepared composite microspheres are high in absorption intensity for electromagnetic wave, wide in effective absorption frequency band, easy to prepare in a large scale, and capable of meeting many use needs.

The invention provides a smart brainwave music wearable device capable of adjusting mental states. The device is characterized in that the device includes a head belt, an electroencephalogram acquisition module, a brainwave music generating module, a mental state assessment module, a mental state adjusting module and a brainwave music playing module; and the electroencephalogram acquisition module, the brainwave music generating module, the mental state assessment module, the mental state adjusting module and the brainwave music playing module are arranged in the head belt. The device adopts brainwave music generated by own electroencephalogram to perform emotion adjustment, so that influences on emotion adjustment effects due to different sensitiveness of individuals on conventional musiccan be avoided; and the device has good pertinence on subjects, so that personalized emotion adjustment and various work modes can be realized.

The invention provides a method for producing a nano negative ion vehicle interior fabric with an improved structure, which solves the technical problems that the existing vehicle interior fabrics cannot produce negative ions and cannot effectively solve the problem of vehicle interior pollution. The method comprises the following steps: a, adding 16 parts of nano tourma powder, 5 parts of a dispersing agent, 4 parts of a coupling agent, 3 parts of an antioxidant, 3 parts of an antistatic agent and 70 parts of water, and dispersing the materials by ultrasonic wave to obtain a finishing liquid;b. dumping the finishing liquid into a padding device, dipping the knitted fabric, and then pre-baking and baking the knitted fabric; c. sizing the knitted fabric by a sizing device; d, pasting the knitted fabric and non-woven fabric by a laminating machine to obtain the nano-negative ion vehicle interior fabric; and e. packaging the nano negative ion vehicle interior fabric through a packer. Thefabric has the advantage of strong fabric functionality.

The invention provides a method for making grain on double sides by suction for artificial leather production. The method is characterized in that the artificial leather wound on a first suction roll and a second suction roll in sequence moves forwards sequentially through the first suction roll and the second suction roll under traction action; one side surface of the artificial leather fits the first suction roll and then grain is made by suction on the side surface of the artificial leather by the first suction roll; the other side surface of the artificial leather fits the second suction roll and then grain is made by suction on the other side surface of the artificial leather by the second suction roll. By the method for making grain on double sides by suction, double-side grain is made during the single manufacturing process, processing procedures are simplified, production efficiency is increased, production cost is lowered, and labor intensity of operation workers is reduced. The invention further provides double-side grain suction-making equipment for artificial leather production; by the double-side grain suction-making equipment, making of double-side grain can be completed during the single manufacturing process, processing procedures are simplified, production efficiency is increased, production cost is lowered, and labor intensity of operation workers is reduced.

The invention discloses a stretcher convenient to lift and put for an ambulance. The stretcher comprises a bed board, wherein dovetail grooves communicated with the side end of the bed board are formed in the upper end of the bed board, dovetail blocks are slidably connected in the dovetail grooves, the upper ends of the dovetail blocks are fixedly provided with a stretcher plate, the two ends ofthe stretcher plate are provided with square cavities, cylinders penetrate through the lower walls of the square cavities, first springs are fixedly arranged between the cylinders and the upper wallsof the square cavities respectively, the upper ends of the cylinders are fixedly sleeved with first annular sleeves, the two sides of the first annular sleeves are symmetrically provided with triangular blocks, the side ends of the triangular blocks are fixedly provided with hooks penetrating through partition plates, the partition plates are fixed to the inner walls of the square cavities, secondsprings sleeving the hooks are fixed between the triangular blocks and the partition plates respectively, the two sides in the square cavities are symmetrically and rotationally connected with wheelframes, the lower ends of the wheel frames are rotationally connected with rollers, the side ends of the wheel frames are fixedly provided with L-shaped rods, the hooks hook vertical rods on the L-shaped rods, and openings providing convenience for the rollers to run through the openings are formed in the lower portions of the wheel frames. The stretcher has various functions and is convenient touse.

The invention provides an inner ring fire cover, a combustor and a gas stove, and relates to the technical field of cookers. The problems that a combustor in an existing kitchen range is single in fire discharge mode and cannot realize extremely small fire discharge are solved. The inner ring fire cover comprises a fire cover body, wherein an inner ring main fire hole, a flame stabilizing groove,a first air distribution channel and a second air distribution channel are formed in the fire cover body, the first air distribution channel communicates with the inner ring main fire hole, the secondair distribution channel communicates with the flame stabilizing groove, and the second air distribution channel and the first air distribution channel are arranged at intervals, so that independentsupply of fuel gas is achieved. The combustor comprises the inner ring fire cover. The gas stove comprises the combustor. The inner ring fire cover, the combustor and the gas stove achieve the purpose of extremely small fire discharge of the combustor, and meet the requirement for extremely small fire cooking of a user.

The invention provides an environment-friendly degradable bubble packaging bag and a manufacturing process thereof. The technical problems that an existing packaging bag is too complex in structure, capable of meeting simple use requirements, poor in using effect and the like are solved. The environment-friendly degradable bubble packaging bag comprises an inner bag body, a middle bag body and anouter bag body, wherein the inner layer bag body is a shower film layer, the middle layer bag body is a bubble film layer, the outer bag body is a mask layer, and the outer layer bag body comprises, by weight, 80-90% of polyethylene, 1-5% of flame retardants, 2.5-6.5% of plasticizers and 5-10% of biodegradable additives; the middle layer bag body comprises, by weight, 82-92% of plasticizers, 3-9%of plasticizers and 5-10% of biodegradable additives; and the inner layer bag comprises, by weight, 75-85% of polyethylene, 3-9% of antistatic agents, 5-8% of plasticizers, 5-8% of biodegradable additives, and 5-10% of degradant additives. The environment-friendly degradable bubble packaging bag has the advantage of being good in using effect.

The invention provides a novel collapsible box. The novel collapsible box is characterized by comprising a plate part I, a plate part II and two side plates, wherein the two side plates are separately hinged with the plate part II; a slide guide hole is formed in the plate part I; the two side plates are fixedly connected or movably connected with slide parts separately; the two slide parts are separately arranged in slide guide holes in a sliding manner, so that the two side plates oppositely slide in the slide guide holes separately to realize folding or the two side plates slide back to the slide guide holes to realize unfolding. The collapsible box can realize folding, is simple in structure, reduces space usage, is convenient to store, transport and move, effectively improves the assembling efficiency, and is convenient to assemble. The invention further provides a dismounting method, which is simple to operate, can save manpower resources and can improve dismounting efficiency, for the novel collapsible box.

The invention provides a parking air conditioner with solar cell panels. The parking air conditioner comprises a parking air conditioner body arranged on the top portion of a car cab. The parking airconditioner body is an integrated overhead parking air conditioner, and includes a condenser, a compressor, an evaporator, a condensate fan, an evaporation fan and a system connection line which are installed in the parking air conditioner body, and further includes a control panel mounted on the lower surface of the parking air conditioner body. The surface of a shell of the parking air conditioner body is provided with the solar cell panels which are connected with an original car battery and the parking air conditioner body correspondingly through a wiring harness. The solar panels and secondary cells are additionally arranged, and vehicle power is highly increased. Not only isavailable power supply time for the parking air conditioner improved, but power for other electrical equipmentis provided. Needsof drivers for air conditionercomfort are fully met, and driving experience is improved.

The invention discloses an exhaust device with the refrigeration function and the heating function, and relates to the technical field of kitchen and bathroom electrical appliances. With the exhaust device with the refrigeration function and the heating function, the technical problem that the kitchen and bathroom electrical appliances in the prior art are narrow in application range is solved. The exhaust device comprises an air duct shell, a main fan, an electric heater and a semiconductor cooler, wherein the main fan, the electric heater and the semiconductor cooler are installed on the airduct shell. The air duct in the air duct shell is partitioned into an exhaust channel and an air blowing channel by a partition plate. The air outlet of the main fan is connected with the exhaust outlet of the air duct shell through the exhaust channel. The air outlet of the main fan is connected with the air supply port of the air duct shell through the air blowing channel. A valve plate is arranged at one end of the partition plate in a pivoted manner. A switchover motor for driving the valve plate to rotate is arranged on the air duct shell. The electric heater is installed in the air blowing channel. The heat dissipation grille of the semiconductor cooler is installed in the exhaust channel. The refrigeration grille of the semiconductor cooler is installed in the air blowing channel.The exhaust device with the refrigeration function and the heating function can realize the exhaust function, the air blowing function, the heating function, the refrigeration function and the like.

The invention discloses a sunshade blind structure capable of being immediately stopped along with pull, and belongs to the technical field of automobile parts. The sunshade blind structure comprisesa reel, sunshade cloth and a skylight sash. The sunshade cloth is rolled on the outer side wall of the reel in a retractable manner, the reel is mounted in slide rails in such a manner that the reel can rotate around the axis of the reel, the slide rails are arranged on two sides of the skylight sash in the width directions, a damper is arranged in each slide rail, two side shafts are arranged attwo ends of the reel, and each side shaft is in contact with the damper in the slide rail on the same side with the side shaft. The sunshade blind structure capable of being immediately stopped alongwith pull has the advantages that the sunshade cloth can have a function of being immediately stopped along with pull, accordingly, the practicality of a skylight and a sunshade blind can be improved,and the diversified use requirements of personnel in an automobile can be met.

The invention discloses a heat pump hot water system and a hot water system control method. The heat pump hot water system comprises a heat pump unit, a second electromagnetic valve (5) is arranged between a first throttling valve (4) of a heat pump unit and an outdoor heat exchanger (6), a branch is led out of the position between the first throttling valve (4) and the second electromagnetic valve (5), the branch is provided with a second throttling valve (7) and a water side heat exchanger (8) and communicates with a reversing valve (2), and a water inlet and outlet pipe of the water side heat exchanger (8) communicates with a water tank (11). T he heat pump hot water system comprises a refrigeration heat recycling heating water running mode, a direct heat heating water running mode andan independent refrigeration running mode. The heat pump hot water system with the refrigeration heat recycling function achieves the aim of saving energy, and can meet multiple use needs through optimization control.

The invention provides an elastic adjustable sparking plug sealing structure which comprises a spacer bush (6). The spacer bush (6) extends out of a cylinder cover lid (10), a sealing gasket is arranged between the lower end face of the spacer bush (6) and the contact surface of a cylinder cover (11), a pressing plate (3) is arranged on the spacer bush (6) on the inner side of the cylinder cover lid (10), a central hole wall of the pressing plate (3) is connected with the outer circumferential surface of the spacer bush (6) in sleeved mode, the upper end face of the pressing plate (3) is contacted with the top of the cylinder cover lid (10), a spring (4) sleeved on the outer circumferential surface of the spacer bush (6) is arranged below the pressing plate (3), the upper end of the spring (4) butts against the lower end face of the pressing plate (3), the lower end of the spring (4) butts against the inside of a spacer bush spring base (5), and the spacer bush spring base (5) is fixed on the outer circumferential surface of the spacer bush (6). The elastic adjustable sparking plug sealing structure is simple in structure and strong in applicability. Installation distance of the pressing plate (3) is adjusted by using compressibility and flexibility of the spring (4) so as to make up machining error between the spacer bush (6) and a sparking plug installation hole of the cylinder cover lid (10).

The invention discloses a full-automatic wood conveying machine, and relates to the technical field of wood machining. The machine comprises a transmission platform and an arranging high table. The top end of the arranging high table is higher than the top end of the transmission platform, the top end face of the arranging high table is provided with two protruding supporting plates, during use, wood is automatically conveyed to the other end, when a lifting mechanism drives a lifting fork to ascend, the lifting fork drives the wood to jointly ascend, after ascending to the highest position, the wood is conveyed to the upper face of the arranging platform, when the next wood is placed on the arranging high table, the front wood is pushed to move forwards. After a rotation mechanism is started, a discharging shovel is driven to discharge few pieces of wood from the arranging high table, and the wood is placed on a wood pile. Visibly, the full-automatic wood conveying machine automatically places the wood into a pile in order, the labor amount is reduced, and efficiency is improved.

The invention relates to a building 3D printer and a building 3D printing method. The building 3D printer includes two groups of Z axis support columns, two X axis crossbeams, a Y axis moving beam anda printing assembly; two groups of Z axis support columns are both vertically and oppositely arranged, one sides of the Z axis support columns are provided with a plurality of horizontally disposed carrying frames in a connecting mode, and the carrying frames are inserted in preformed holes of a wall in a connecting mode; the X axis crossbeams and the Z axis support columns are mutually-perpendicular and slidably connected; two ends of the Y axis moving beam are separately and slidably connected with the two X axis crossbeams; and the printing assembly is arranged at the Y axis moving beam and is slidably connected with the Y axis moving beam. According to the building 3D printer, the multiple carrying frames are arranged at the Z axis supports and are arranged in the wall in a penetrating mode, and the printer can be arranged at constructed building wall, so that the printer cannot be limited by the height; and in addition, the structure is simplified, the entire structure is light weight, the stability is good, the actual construction is convenient, and wide application is suitable.

The invention discloses a male time delay agent. The male time delay agent comprises 3-5% of crocus sativus extract, 3-5% of radix sophorae flavescentis extract, 1-5% of fructus cnidii extract, 1-8% of herba epimedii extract, 2-5% of mint extract, 3-5% of morinda officinalis extract, 10-50% of propylene glycol, 3-10% of 1,2-pentanediol and the balance of deionized water. According to the male timedelay agent, proportion of the crocus sativus extract, the radix sophorae flavescentis extract, the fructus cnidii extract, the herba epimedii extract, the mint extract and the radix morindae officinalis extract is regulated and controlled, so that excessive stimulation to human tissues can be avoided, and side effects of local burning discomfort and genital organ numbness passivation are eliminated, and the radix sophorae flavescentis extract and the mint extract further have effects of disinfection, cleaning, fresh keeping and the like.

The invention relates to an integrated energy storage water supply system which comprises an electric control heater and a pressure bearing water tank. The electric control heater is used for heating water in the pressure bearing water tank. A cold water inlet, a heating water outlet, a domestic water outlet and a heating water return opening are formed in the pressure bearing water tank. Heating devices are connected between the heating water outlet and the heating water return opening through pipelines. The domestic water outlet is connected with multiple water supply devices through pipelines. According to the integrated energy storage water supply system, water supply for heating, bathing and the like can be achieved synchronously through one set of system, the heating period is short, the waiting time is short, installation and use are very convenient, and in addition, cost is low.

The invention provides an electronic price tag system for an intelligent retail cabinet. The electronic price tag system comprises an Android industrial personal computer, a power supply, an electronic price tag controller and an electronic price tag display board, wherein the Android industrial personal computer is in command transmission communication with the electronic price tag controller byvirtue of an IIC bus, and an electronic price tag control output port is formed in the Android industrial personal computer; a control input port, a power supply input port and a group of output portsare formed in the electronic price tag controller, the control input port is connected with the electronic price tag control output port, and the power supply input port is connected with the power supply; and an input port and a group of LCD display screen are respectively formed in and arranged on the electronic price tag display board, and the input port is connected with the output ports. Theinvention further provides an operation method of the electronic price tag system for the intelligent retail cabinet. According to the electronic price tag system and the operation method, the real-time refreshing can be realized, and a master control of price tags is omitted through the effective utilization of the computing power of the Android industrial personal computer, so that the cost islowered, and the display effect is improved.