251results about How to "Simple and reasonable" patented technology

A human machine interface includes user control, a controller, a display, and a proximity sensor. The controller is configured to control the display based on the proximity sensor. When an object is sensed by the proximity sensor the controller activates the display. In addition, the controller may display information corresponding to the user setting manipulated by the human machine interface.

A human machine interface includes a knob with an integrated electronic display located in the center of the knob. The knob may be used for operation with multiple functions corresponding to a menu on the electronic display. A plurality of buttons are located about the knob in the form of a circle and correspond to menu selections provided on the display.

The invention relates to a multifunctional moxibustion bed which can effectively solve the problem that an ideal moxibustion treatment effect cannot be realized due to the fact that the moxibustion treatment can only be performed on a single part of a human body and moxa stick fixing nets are inconvenient to move during the treatment process of moxibustion boxes. According to the technical scheme, the multifunctional moxibustion bed comprises a bed board and moxibustion boxes, wherein the bed board is mounted on supporting feet at four corners, ventilating channels corresponding to parts of a human body are formed in the bed board, the moxibustion boxes with openings facing the ventilating channels are mounted below the bed board, and horizontal moxa stick fixing nets and electric push rods are mounted in the moxibustion boxes, piston rods of the electric push rods are connected with the lower parts of the moxa stick fixing nets, and trapezoid clamp bodies are arranged on periphery of each moxa stick fixing net and arranged in sliding chutes in inner walls of the periphery of each moxibustion box and vertically slide along the sliding chutes, so that vertical adjusting structures of the moxa stick fixing nets are formed in the moxibustion boxes; and the electric push rods are connected with a controller mounted on the side surface of the bed board. The multifunctional moxibustion bed is easy to produce and convenient to use, and the moxibustion boxes are combined with a bed, so that a patient can feel comfortable in the moxibustion treatment process, and the efficacy is good.

The invention relates to a density-controllable geotechnical triaxial sample preparation device which can effectively solve the problems of unevenness in the upper and lower parts of a sample and incompleteness in the appearance of sample. According to the technical scheme, a pressure frame is of a frame structure which is composed of a lower disc, an upper disc and a pillar vertically mounted between the two discs; a vertical screw shaft is mounted on the upper disc, and a platen is mounted on the end part of the lower part of the screw shaft; a jack is vertically fixed on the lower disc, and a sample preparation mould is mounted on a piston rod of the jack; the sample preparation mould is of a hollow structure with an opened upper part, and cylinders with eaves are mounted at the upper opening part of the sample preparation mould, each cylinder with eave is of an integral structure composed of a top eave and a cylinder body mounted at the lower part of the top eave; the top eave is clamped at the upper opening part of the sample preparation mould, the cylinder body extends in a cavity of the sample preparation mould, and a cavity between the lower end face of the cylinder body and the bottom face of the sample preparation mould forms a sample pressing space. A guide barrel is matched with the iron cylinders with eaves with different heights, so that homogeneous stratified sample preparation of triaxial samples is realized, and controllable triaxial sample preparation is effective.

A human machine interface includes user control with a touch sensor, a controller, and a display. The controller is configured to control the display based on the touch sensor. When the touch sensor senses contact with the user control, the controller activates the display. In addition, the controller may display a symbol corresponding to the user setting manipulated by the user control and a graphic indicating the level of the user setting.

The invention relates to industrial continuous environmentally-friendly and energy-saving scrap tire thermal cracking equipment which is capable of effectively solving the problems of bad safety and short service life of scrap tire thermal cracking equipment. The technical scheme is as follows: the scrap tire thermal cracking equipment comprises conveyors, a screw feeder, condensers, an auger machine, a magnetic separator, a circulating pump and a gas turbine generator, wherein the discharge end of a first conveyor is arranged above the feed opening of a second conveyor, the discharge end of the second conveyor is arranged above the feed opening of the screw feeder, the discharge end of the screw feeder is connected with the feed end of a cracking kettle, the discharge end of the cracking kettle is connected with a gas inlet of a reaction tower through an exhaust cylinder, the exhaust end of the reaction tower is connected with an oil storage tank through a first condenser and a second condenser, and the oil storage tank is sequentially communicated with a third condenser, a non-condensable gas washing tank, an alkali liquor storage tank, a liquid removing tank, a buffering tank, a vacuum pump, a cleaning tank, a compressor, a gas storage tank and a gas decompression tank to form a non-condensable combustible gas extracting system. The industrial continuous environmentally-friendly and energy-saving scrap tire thermal cracking equipment provided by the invention is safe, reliable, long in service life and good in effect.

The invention relates to a potato combined harvester, which is capable of effectively solving the problem of low potato harvesting efficiency. According to the technical proposal, the potato combined harvester comprises a frame, wherein the frame is composed of a main frame and an auxiliary frame which are articulated with each other; a stem cutter, a stem pick-up device and a stem feeder are sequentially mounted on the auxiliary frame; a stem crushing / throwing mechanism is mounted on the main frame of the discharge end of the stem feeder; a driving cab and a potato collecting box are mounted on the main frame; an engine and a speed changing box which are connected together are sequentially mounted on the main frame at the lower part of the driving cab; a potato-soil lifter and a cage type potato-soil separator are respectively mounted on the main frame at the lower part of the potato collecting box, respectively; a potato block lifting conveyor is mounted at the rear part of the main frame; the speed changing box is connected with the cage type potato-soil separator through a universal joint transmission shaft; the discharge end of the potato-soil lifter is connected with the feeding end of the cage type potato-soil separator; the discharge end of the cage type potato-soil separator is connected with the feeding end of the potato block lifting conveyor; and the discharge end of the potato block lifting conveyor is arranged above the mouth part of the potato collecting box. The potato combined harvester is convenient for operation so that the operation efficiency of potato harvesting is greatly improved.

The invention relates to a sealing lifting type lifting column which can effectively solve the problems that a telescopic pipe is poor in leakproofness, serious in water leakage and poor in retraction effect. According to the technical scheme, the lifting column comprises a base and a telescopic pipe installed on the base, the telescopic pipe is of a length-adjustable telescopic structure formed by multiple sections of circular hollow pipes with different diameters in the mode that the previous section is compressed in the next section, a slidable seal ring used for sealing is arranged between the outer side of a sliding base of each inner-side circular hollow pipe and the inner wall of the corresponding outer-side circular hollow pipe, and each slidable seal ring comprises a first Y-shaped seal ring body which is located on the upper portion and provided with an upward opening and a second Y-shaped seal ring body which is located on the lower portion and provided with an downward opening. The sealing lifting type lifting column is novel and unique in structure, simple, reasonable, easy to produce, low in cost, good in leakproofness, high in retraction speed, capable of saving energy and water, convenient to use and good in effect and has good social and economic benefits.

The invention relates to an aerating and oxygenating device. In order to effectively solve the problems that the aerating and oxygenating device is relatively small in oxygenating range, high in energy consumption, low in power efficiency and non-uniform in aeration, the invention adopts the technical scheme as follows: the aerating and oxygenating device comprises a motor, a speed reducer, a centrifugal impeller and a floating body, wherein the motor is connected with the speed reducer; a supporting body inclined downwards is installed on the side surface of the speed reducer; the motor and the speed reducer are suspended on a water surface through the floating body installed at the lower part of the supporting body; the speed reducer is connected with an upper annular disc above the water surface through a fixing component at the lower part; the upper annular disc is connected with a lower annular disc below the water surface through a connecting rod at the lower part; the centrifugal impeller between the upper annular disc and the lower annular disc is installed at the lower end part of a rotating shaft at the lower part of the speed reducer; a plurality of blades are uniformly distributed at the lower part of the upper annular disc in the external circumferential direction; and a flow guiding barrel is arranged in the center of the lower part of the lower annular disc. The aerating and oxygenating device is novel, unique, simple and reasonable in structure, low in cost, uniform in aeration, low in energy consumption, high in power efficiency, convenient to install, maintain, repair and replace and good in using effect.

The invention relates to a negative-pressure-typed granary cooling system which can effectively improve cooling efficiency of a granary grain cooling system and solve the problems that an existing cooling system is complex in structure and high in cost and cannot meet a modern under-membrane ventilation process and the purchase and using requirements for an ordinary granary. According to the technical scheme, the negative-pressure-typed granary cooling system comprises a granary, a cooling machine and a draught fan, the wall on the lower portion of the granary is provided with an air inlet, the side wall or the top of the granary is provided with at least one air outlet, the air inlet is provided with the cooling machine, the air outlet is provided with the draught fan, the draught fan at the air outlets sucks up the air forcibly so as to form negative pressure inside the granary, the outside air is sucked in from the air inlet of the cooling machine, the cooled air flow enter the interior of the granary and conducts cooling and ventilation on grain heaped in the granary, and finally the cooled air is discharged from the draught fan at the air outlet to form a negative-pressure-typed cooling structure. The negative-pressure-typed granary cooling system is easy to operate, good in cooling effect and safe and reliable, cooling storage cost is lowered by over one time, the cooling system is convenient to use and good in effect, is innovative in the field of grain cooling systems, and has good social and economical benefits.

The invention relates to a high-pressure fine water mist ecological cultivation system. By the aid of the high-pressure fine water mist ecological cultivation system, problems in the aspect of fine water mist plant cultivation can be effectively solved. The technical scheme includes that the high-pressure fine water mist ecological cultivation system comprises a nutrient solution supply system and an aerosol cultivation frame, a fixed planting sponge wraps the root of a crop seedling and is fixed onto the aerosol cultivation frame, the nutrient solution supply system comprises a nutrient solution storage tank, a filter, a magnetizer, a low-pressure ball valve, a high-pressure pump, a high-pressure ball valve and a high-pressure fine water mist spray nozzle, a solution outlet of the nutrient solution storage tank is connected with a water inlet of the high-pressure pump by the filter, the magnetizer and the low-pressure ball valve which are serially connected with one another, and a water outlet of the high-pressure pump is connected with the high-pressure fine water mist spray nozzle in the aerosol cultivation frame by the high-pressure ball valve. The high-pressure fine water mist ecological cultivation system has the advantages that the high-pressure fine water mist ecological cultivation system is easy to produce and operate, plants can grow without resistance and have well developed root systems, and the crop yield can be greatly improved; automatic control and stereoscopic cultivation can be facilitated by the aid of the high-pressure fine water mist ecological cultivation system, the utilization rates of spaces of greenhouses can be increased, the high-pressure fine water mist ecological cultivation system is environmentally friendly and is high in yield, water, fertilizers, lands and a large quantity of labor can be saved, and environments can be protected.

The invention relates to a safety intersection which can effectively solve the problem that traffic jams and traffic accidents easily happen at a crossroad. The technical scheme is as follows: the safety intersection comprises a crossroad, original traffic lights of the crossroad, crosswalks and greenbelts, wherein the crosswalks move backwards, so that the distances between the crosswalks and the edges of the intersection are 3-5m; parking lines move backwards, so that the distances between the parking lines and the crosswalks are 1m and vehicles turning right are far away from people; first pressure-sensitive auxiliary indication belts and second pressure-sensitive auxiliary indication belts are arranged at the outer edges at the borders of the crosswalks and motor vehicle lanes, thereby performing auxiliary indication for passing of pedestrians; and first ground auxiliary indication belts and second ground auxiliary indication belts are arranged on the edges of the parking lines and on the edges of road entrances, thereby performing auxiliary indication for passing of the vehicles. The safety intersection provided by the invention has the advantages of novel, unique, simple and reasonable structure, safety, convenience, small occupied area and low cost, is formed by slight modification on the basis of the original crossroad, and greatly reduces the probability of occurrence of traffic accidents, thereby being an innovation in the field of the crossroads.

The invention relates to a gain-type slow-release throttling micro nano bubble generator and aims at effectively improving the generation efficiency of micro nano bubbles and further reducing the size of micro nano bubbles. According to the technical scheme, the gain-type slow-release throttling micro nano bubble generator comprises a pressure dissolution pipe and an orthotropic flow mixing body, wherein the orthotropic flow mixing body is mounted on the pressure dissolution pipe and is of a hollow structure of which the lower part is open, an inner cavity of the orthotropic flow mixing body is communicated with that of the pressure dissolution pipe, slow-release throttling holes through up and down are formed in a base plate on the upper part of the orthotropic flow mixing body, gain pipes corresponding to the slow-release throttling holes one to one are mounted on the orthotropic flow mixing body, each gain pipe is of a tubular structure tilting outwards and a penetrating water inlet is formed in the sidewall of the lower part of each gain pipe. The flow rate of water in micro nano bubbles generated by the gain-type slow-release throttling micro nano bubble generator is high, the effect is enhanced and the energy consumption is also reduced; the micro nano bubble generator is good in manufacturability and simple to operate, and really realizes the application and production of micro nano bubbles.

The invention relates to an expansive soil two-dimensional dilatometer, and can effectively solve the problem that the expansion deformation and expansion force in both the vertical direction and the lateral direction cannot be measured at the same time by the conventional dilatometer. The expansive soil two-dimensional dilatometer adopting the technical scheme is characterized by comprising a testing stand and a pressure chamber arranged on the testing stand, wherein the pressure chamber adopts a square tubular structure which is provided with a left end opening and a right end opening, and is defined by a bottom plate and a top plate arranged in an up-and-down spaced manner and a front clamping plate and a back clamping plate arranged in a front-and-back spaced manner; the space jointly defined by two side press plates, a pressurizing plate, the bottom plate, the front clamping plate and the back clamping plate forms an accommodating space for a test soil sample; sliding mechanisms are connected with a loading mechanism arranged on the testing stand through flexible ropes; a first displacement sensor is arranged on a pressure transfer plate to be used for measuring the vertical displacement of the pressure transfer plate; second displacement sensors are arranged on force transfer rods to be used for measuring the horizontal displacement of the force transfer rods. The expansive soil two-dimensional dilatometer is novel and unique in structure, simple, reasonable, easy to produce, simple to operate, and low in cost; a test of expansion deformation or expansion force can be carried out by only one instrument, so that the use is convenient, and the effect is good.

The invention relates to a high-pressure and fine-water-mist multifunctional vehicle, and can solve the problems that the existing high-pressure and fine-water-mist multifunctional vehicle is single in function, cannot integrate cooling, dust-falling, humidifying, haze-controlling and fire-extinguishing functions and the like. The high-pressure and fine-water-mist multifunctional vehicle adopts the technical scheme as follows: a compartment is mounted on a chassis; a high-pressure water pump, a water tank, a high-pressure reel and a high-pressure and fine-water-mist combined spray gun are mounted inside the compartment respectively; spraying device assemblies are arranged on the two sides of the upper part of the compartment respectively; a water sprinkling device assembly is arranged at the rear lower part of the compartment; the high-pressure water pump is connected with the water tank; a water outlet of the high-pressure water pump is divided into two paths, one path is connected with water inlets of the spraying device assemblies and a water inlet of the water sprinkling device assembly through pipelines, and the other path is connected with the high-pressure reel through a pipeline; the high-pressure reel is connected with a water inlet of the high-pressure and fine-water-mist combined spray gun. The high-pressure and fine-water-mist multifunctional vehicle has dust-inhibiting, dust-falling, cooling, haze-controlling, car tail gas-washing, road-cleaning, guardrail-clearing, kerb-sweeping, municipal nursery-irrigating, municipal greening plant-protecting functions and the like.

The invention relates to an aerobic-anoxic integration AO membrane bioreactor and aims to effectively solve the problems of backflow of nitrification liquor in the existing AO process, large occupied space, complicated operation and high operation cost. According to the technical scheme, a sludge area is arranged at the bottom of a shell; a shell inner cavity above the sludge area is divided into an aerobic area, a flow guide area and an anoxic precipitation area which are successively arranged along a horizontal direction; the bottoms of the aerobic area, the flow guide area and the anoxic precipitation area are communicated with the upper part of the sludge area; an aeration pipe is arranged in the aerobic area; an overflowing opening is formed in the upper part of a first partition plate between the aerobic area and the flow guide area; a ceramic membrane component is arranged in the anoxic precipitation area; a water discharging pipeline stretching out of the shell is mounted on the ceramic membrane component. Through the aerobic-anoxic integration AO membrane bioreactor, the aerobic-anoxic integration can be achieved; the occupied area is small; returning devices do not need to be additionally arranged; the process is simplified; the stable and up-to-standard emission of the wastewater can be achieved; the aerobic-anoxic integration AO membrane bioreactor is convenient to use and excellent in effect, and has significant social and economic benefits.

The invention relates to an underwater vehicle with a pumping set for propelling. The problems that an underwater vehicle is poor in self-suction capacity and can not meet the demand for hydrodynamic performance are solved. According to the technical scheme, a front jet orifice assembly and a rear jet orifice assembly are arranged at the front end and the rear end of a shell correspondingly; the shell is provided with a water inlet and a jet orifice used for controlling the traveling direction of the shell; the water inlet is connected with a water inlet of a centrifugal pump; a water outlet of the centrifugal pump is connected with a water inlet of a high pressure plunger pump; a water outlet of the high pressure plunger pump is connected with the front jet orifice assembly, the rear jet orifice assembly and the jet orifice to form a control structure for the traveling direction of the shell; a water inlet of a water storage tank is connected with a water outlet of a bidirectional gear pump; a water outlet of the bidirectional gear pump is connected with a water changing opening formed in the shell; and a buoyancy type vertical position adjusting structure for the shell is formed. The underwater vehicle with the pumping set for propelling guarantees the suction force of the high pressure plunger pump, effectively improves the efficiency of the high pressure plunger pump, improves the propelling efficiency, and is convenient to use and good in effect.

The invention relates to a ratchet type anti-falling device which comprises a body mounting seat, an anti-falling ratchet, an anti-falling rotary wheel, a locking ratchet, an adjusting ratchet, a torsion spring, a stretching spring, a cover plate and bolts. The body mounting seat is mounted on wall-attached guide support. The anti-falling rotary wheel is mounted in the middle of the body mounting seat and combines with the anti-falling ratchet to form a mechanism which can rotate as a whole. The locking ratchet combines with the adjusting ratchet and is connected with the same through the torsion spring, and the locking ratchet and the adjusting ratchet are mounted on the mounting shaft of the body mounting seat to form a normal-open adjusting device which can also be closed. The locking ratchet is connected with the body mounting seat through the stretching spring, so that the locking ratchet can reset at any time. The locking ratchet, the adjusting ratchet, the torsion spring and the stretching spring are mounted at two ends of the body mounting seat in a left-right symmetry manner. The cover plate is mounted on the outer sides of the left end and the right end of the body mounting seat and locked through the bolts.

The invention relates to a novel rocket engine. The problem that a liquid propellant rocket engine is low in work efficiency can be effectively solved. According to the technical scheme, a combustion chamber is arranged at the tail of a shell; a spray pipe is arranged on a fire spitting opening of the combustion chamber; an incendiary agent storage tank, an oxidizing agent storage tank, an incendiary agent conveying pump set assembly and an oxidizing agent conveying pump set assembly are arranged in the shell; an outlet of the incendiary agent storage tank is connected with an inlet of the incendiary agent conveying pump set assembly through a first incendiary agent conveying pipeline; a second incendiary agent conveying pipeline is arranged on an outlet of the incendiary agent conveying pump set assembly; an outlet of the oxidizing agent storage tank is connected with an inlet of the oxidizing agent conveying pump set assembly through a first oxidizing agent conveying pipeline; and a second oxidizing agent conveying pipeline is arranged on an outlet of the oxidizing agent conveying pump set assembly. The novel rocket engine is high in pump set conveying efficiency and low in loss, an incendiary agent and an oxidizing agent are mixed sufficiently, combustion efficiency is high, fuel losses are reduced, use is convenient, and the effect is good.

The invention relates to a high-pressure water mist four-wheel fire control motorcycle which can effectively solve the problem that a large fire control vehicle is inflexible to move and difficult in following water supply. The technical scheme is that a reel is arranged on a bracket which is positioned at the front of a motorcycle body of the four-wheel motorcycle, a gasoline engine, a high-pressure water pump, a water tank, a foam extinguishing agent tank, a micro magnetic drive pump, a controller, a tool tank and a portable fire pump with an engine are respectively arranged in a compartment at the rear portion of the motorcycle body of the four-wheel motorcycle, a water outlet of the water tank is connected with a water inlet of the high-pressure water pump, a water outlet of the high-pressure water pump is communicated with a water inlet of a high-pressure flexible pipe of the reel through a pipeline, a water outlet of the high-pressure flexible pipe of the reel is communicated with a water inlet of a high-pressure spray gun, an outlet of the foam extinguishing agent tank is communicated with an inlet of the micro magnetic drive pump, an outlet of the micro magnetic drive pump is communicated with a water inlet of the high-pressure water pump, the micro magnetic drive pump is connected with the controller, the high-pressure water pump is connected with the gasoline engine, and accordingly a high-pressure fire extinguishing system is formed. The high-pressure water mist four-wheel fire control motorcycle is easy to produce, easy to operate, flexible and convenient.

The invention relates to an anti-drop device which can effectively solve the problems that an anti-drop system of an attached type lifting scaffold is not ideal in brake effect, has potential safety hazard, and is complicated in structure, troublesome in installation and use and high in cost. The anti-drop device has the technical scheme that the device comprises a guide support seat, a limit supporting device and a dropping protector, wherein the front end of the guide support seat is provided with a guide chuck; the limit supporting device is arranged at the upper part of the guide support seat by a pin shaft, so that a first movable rotating structure can be formed; the lower part of the guide support seat is provided with the dropping protector; the dropping protector comprises a support frame, a deflecting cam and an anti-drop block; the support frame is connected with the lower part of the guide support seat, and the anti-drop block is arranged on the support frame by a linkage pin shaft, so that a second movable rotating structure can be formed; a blocking head is arranged at the upper part of the anti-drop block; the lower part of the anti-drop block is provided with the deflecting cam. The anti-drop device is novel and unique in structure, simple and reasonable, convenient to assemble and disassemble, labor-saving, time-saving, material-saving, efficient, good in dropping prevention effect, safe and reliable, thus being an innovation of a anti-drop system.

The invention relates to a rail basket for multi-story buildings. The rail basket structurally comprises a plurality of wall-attached supports, guide rails, a fall protector, a basket hanging platform and a basket hanging mechanism, wherein the wall-attached supports are arranged and fixed to a building structure from top to bottom, the guide rails are fixedly connected with the wall-attached supports, and a basket platform body is disposed between every adjacent two guide rails and is slidably combined with the guide rails through the fall protector; the basket hanging platform is an assembled platform 1.5m in standard section length; a middle mount enables a higher lifting mechanism, thus passage is convenient for workers; the basket platform body is mounted through the middle mount, a plurality of lifting devices can be provided, the basket platform body is not limited to length, and the construction is achieved by assembly multiple sections. The rail basket is simple in platform structure, convenient to mount and demount and safe to use, and the trouble of mounting multiple baskets on a same floor is avoided.

A photodiffusion polypropylene material is characterized by being prepared from components in percentage by weight as follows: 88.6%-97.4% of polypropylene, 0.1%-0.5% of a nucleating agent 1, 0.1%-0.5% of a nucleating agent 2, 0.5%-2% of a photodiffusion agent 1, 0.5%-3% of a photodiffusion agent 2, 0.2%-2% of a weather resisting agent, 1%-3% of a dispersing agent and 0.2%-0.4% of an antioxidant.The preparation method of the photodiffusion polypropylene material comprises the following steps: uniformly mixing polypropylene, the nucleating agent 1, the nucleating agent 2, the photodiffusion agent 1, the photodiffusion agent 2, the weather resisting agent, the dispersing agent and the antioxidant, adding the mixture to a first cylinder feeding section with a length-diameter ratio being 32-68 of a twin-screw extruder, enabling the twin-screw extruder to operate at the rate of 180-500 r / min and the temperature of 180-230 DEG C, and performing extrusion and granulation finally to prepare the photodiffusion polypropylene material. Through the structural improvement, the photodiffusion polypropylene material has the characteristics of being simple, reasonable, low in production cost, easy to produce and realize, high in haze, transparency, heat resistance and weather resistance and the like, and has high practicability.

The invention relates to a power-up starting power switch with a controllable function. The power-up starting power switch with the controllable function can effectively solve the problem of controllable power on and off of electric equipment. According to the technical scheme, the power-up starting power switch with the controllable function comprises a housing and a circuit board inside the housing, wherein the housing is provided with power input pins and a button S1; the circuit board is provided with a control circuit, which is composed of a single chip microcomputer, a field-effect tube and a DC / DC (direct current / direct current) module, the single chip microcomputer can control the input pins to output high electrical level or low electrical level according to input signals of the input pins. During application, an operator can simply connect the power input pins on the housing with the power supply output end of utilized equipment. The power-up starting power switch with the controllable function is novel and unique in structure, simple and reasonable in circuit, easy to produce and low in cost, achieves power-up automatic power ON, one-key power ON and OFF, low energy consumption, use convenience and high effects, and in a standby status, prolongs the service life of battery by 2 to 5 times, thereby being an innovation of power switches.

The invention relates to a hidden type fine mist nozzle, for effectively solving the problems that a nozzle in a building fine mist firefighting system is exposed and the requirements on the attractiveness and the structure of important places cannot be met. The hidden type fine mist nozzle comprises a fine mist nozzle, pipelines and a ceiling, wherein a trim cover is mounted on the ceiling; a trim cover cap is mounted at the lower opening part of the trim cover; a water inlet pipeline is arranged above the ceiling; the water inlet pipeline is communicated with the fine mist nozzle which is arranged inside the trim cover cap through a telescopic pipeline. When fire happens, pressurized water is conveyed through the water inlet pipeline, the telescopic pipeline stretches out under the action of the water pressure, the trim cover cap is ejected out by the fine spray nozzle and falls off, then the fine spray nozzle stretches outside the lower plane of the ceiling, and fine mist is sprayed to extinguish the fire. The hidden type fine mist nozzle is novel and unique in structure, simple and reasonable, safe and reliable, attractive and graceful in overall arrangement, safe to use, friendly to the environment, free of pollution, convenient to assemble and disassemble, good in use effect and good in social and economic benefits.

The invention relates to a vertical Hopkinson pressure rod test device and test method. The vertical Hopkinson pressure rod test device comprises a guide cylinder, an incident rod, a transmission rod,a buffer rod and bullets and a base, wherein lateral support plates which are vertically arranged upwards are symmetrically arranged on two sides of the base; a horizontal first transverse support plate is arranged at the top between the lateral support plates on the two sides; three groups of horizontal second transverse support plates are sequentially arranged below the first transverse supportplate, between the lateral support plates on the two sides; each group of second transverse support plates is provided with a clamping mechanism, each group of clamping mechanisms clamps the corresponding incident rod, transmission rod or buffer rod, first strain gauge is pasted on the surface of each incident rod, a second strain gauge is attached to the surface of each transmission rod, according to the invention, the device can precisely control the impact speed of the bullets and obtain the low and medium impact speed, can be used to analyze the dynamic mechanical properties of low wave impedance materials such as coal, lightweight concrete and the like, and can satisfy dynamic experiments with high, meddle and low speeds.

The invention relates to a moxibustion appliance for backs of patients. The moxibustion appliance can effectively solve problems that patients are subjected to moxibustion treatment inconveniently when the patients lie prone for a long time, the treatment difficulty is high, and a perfect treatment effect cannot be realized. The technical scheme for solving the problems includes that the moxibustion appliance comprises a seat plate, a backrest and a moxibustion box, the seat plate is fixed to supports on two sides of the moxibustion appliance, the backrest is arranged at the rear of the seat plate via a rotary shaft, armrests are arranged on two sides of the backrest, clamping grooves are uniformly distributed on lower portions of the armrests, clamping heads are arranged at upper ends of the supports on the two sides of the moxibustion appliance and are placed in the clamping grooves to form a recliner structure capable of adjusting an angle of the backrest, a ventilating channel is arranged in the middle of the backrest, the moxibustion box is arranged on the back surface of the backrest, openings of the moxibustion box face the ventilating channel, parallel moxa stick fixing nets are transversely and uniformly distributed in the moxibustion box, trapezoidal clamps are arranged on two sides of the front of the moxibustion box and are placed in symmetrical slide grooves on two sides of the back surface of the backrest, semispherical fixing holes are uniformly distributed on bottom surfaces of the slide grooves, and retractable fixing bodies corresponding to the fixing holes are uniformly distributed on the trapezoidal clamps. The moxibustion appliance has the advantages of easiness in production, low cost, convenience in utilization and good treatment effect.

The invention relates to a walking type weeding machine. According to the technical scheme, a horizontal work arm stretching outwards is arranged on the lower portion of a vertical supporting rod, a weeding mechanism is arranged at the front end of the work arm, and the weeding mechanism comprises a guide sleeve, a telescopic column, a motor, a weeding disc protection cover, a weeding cutter discand a weeding cutter; the guide sleeve is fixed to the front end of the work arm, the upper end of the telescopic column is coaxially connected with a height adjusting screw rod, and a limiting nut isscrewed on the height adjusting screw rod, and a pressure spring is arranged between the limiting nut and the guide sleeve; the weeding disc protection cover is fixed to the lower end of the telescopic column, the motor is fixed to the side wall of the lower portion of the telescopic column, and a rotary shaft of the motor is vertically arranged downwards, and an extending shaft coaxially connected with the rotary shaft of the motor is mounted on the rotary shaft of the motor; the lower end of the extending shaft stretches into the position below the weeding disc protection cover, and a fixedly connected weeding cutter disc is mounted at the stretching-in end of the extending shaft. According to the walking type weeding machine, the labor cost is greatly reduced, the weeding cutter rotates below the ground surface, weeds are removed with along with roots, and efficient weeding is carried out in the advancing process.

The invention relates to a lifting column for a multifunctional irrigation and fertilization system. The problems that the telescopic effect of a telescopic pipe is poor, the sealing property is poor, and the use effect is not ideal can be effectively solved. According to the technical scheme, the lifting column comprises a base and a telescopic pipe installed on the base, the telescopic pipe is formed by multiple sections of circular hollow pipes with different diameters, the upper section is compressed in the lower section, the telescopic pipe is of a telescopic structure with the length adjustable, and an expanding device used for pushing up surround soil is arranged on the top of a pipe body of the circular hollow pipe on the inner side of the outermost section of the circular hollow pipes. The lifting column for the multifunctional irrigation and fertilization system is novel and unique in structure, simple, reasonable, easy to produce, low in cost, good in sealing property, free to stretch out and draw back, convenient to use and good in effect.

The invention relates to a power station boiler heating surface pipe outer diameter creep detector and a creep measuring method. According to the technical scheme, the device comprises a positioning sleeve and a measuring sleeve; positioning mechanisms for adjusting the axis position of the positioning sleeve are uniformly distributed in the circumferential direction of the positioning sleeve; a distance measuring sensor is fixed on the inner wall of the positioning sleeve right above the ejector rod of each positioning mechanism; a pressing screw rod is screwed on the side wall of the positioning sleeve under each positioning mechanism; the top surface of the positioning sleeve is provided with a closed annular track; and the measuring sleeve is rotatingly disposed on the annular track. According to the invention, the distance between the inner wall of the positioning sleeve and the outer wall of a to-be-measured pipeline is measured through the distance measuring sensor, and the ejector rod is driven by a motor to stretch out and draw back, so that concentric arrangement of the to-be-measured pipeline and the positioning sleeve is realized; through cooperation of the measuring sleeve and the annular track at the top of the positioning sleeve, measurement of the measuring rod in the circumferential direction of the to-be-measured pipeline is achieved; And the actual outer diameter of the pipeline to be measured is directly measured through the displacement sensor, and therefore 360-degree rapid measurement of the creep of the outer diameter of the pipeline is achieved.