62results about How to "Use less labor" patented technology

The invention provides a power transmission and distribution line partial discharge fault on-line detection method and an apparatus thereof, belonging to the measurement field. A method of on-line remote orientation focusing pick-up / positioning is employed to capture a supersonic wave signal generated in a discharge process, a heterodyne method is used to convert the picked supersonic wave signal into a sound / electrical signal which can be distinguished by detection personnel, according to a value size or change of sound pressure / voltage, whether a position where a partial discharge fault easily happens exists a contaminant flashover phenomenon or not and a degree of contaminant flashover are determined qualitatively and quantificationally, thereby, intensity of contaminant flashover of the position where the partial discharge fault easily happens and a size of threat to a system are determined, manpower and regular inspection cost can be greatly reduced, previous power failure time workload is reduced, safety operation of electric power equipment is ensured, maintenance cost is saved, and power supply reliability is raised. The method and the apparatus can be widely used in the on-line detection and fault diagnosis of a power transmission and distribution line.

The invention discloses a method for producing crimpy type high-grade green tea, which comprises the following sequence of operations: tedding fresh leaves, removing water in rollers, rolling to deblock, performing secondary water-removing, performing third water-removing, tedding to cool, shaping and rubbing, performing secondary tedding to cool and fragrance-extracting, wherein the secondary water-removing means that deblocked tea leaves are put in a 40 type well-known tea water remover for 20-25 seconds at the temperature of 130-140 DEG C; and the third water-removing means that the tea leaves after the secondary water-removing are returned back to a roller and are subjected to another time of water-removing for 15-22 seconds. The method for producing the crimpy type high-grade green tea has the advantages that the problem of long-time baking in a baking machine and many factors causing quality change can be completely solved, the occurrence of damage to tea leaves during warming up or stewing caused by slow manual stir-frying, and uneven stir-frying or not-required temperature at some time is prevented, so that the quality of the tea leaves is unified and is obviously improved; the labor force is reduced, and the yield is enhanced; the production rate is effectively increased, the tea leave dust is reduced, and the color and the luster are stable; and the method is convenient to operate and has little cost for machinery.

The invention relates to a sweet potato cultivation method using whole-course chemical control and belongs to the technical field of sweet potato cultivation. The method includes: soaking sweet potato seedlings in liquor of routing powder No.5 before planting, and using specific water quantity in hole watering; spraying uniconazole solution twice 35-60 days after planting; and spraying DA-6 solution twice 30-40 days before harvesting. Early root promotion, fast growth mid-control and later-period aging delaying embody the concept of chemical control for the whole growth course of sweet potato. The method has the advantages that the yield of sweet potato cultivated by the method is increased by 16%, and the quality (size and uniformity) is improved evidently; the cultivation method has few steps and requires little labor; the consumption of various plant grow regulators is low.

The invention belongs to the field of box culvert pouring, and provides an integral hydraulic formwork applied to box culvert prefabrication. The integral hydraulic formwork comprises an internal formwork component, a bottom formwork component, an external formwork component, an end formwork component and a retaining formwork component; the internal formwork component includes internal formworks and an internal top formwork; the internal formworks include the first internal formwork and the second internal formwork; the bottom formwork component includes a bottom formwork; the external formwork component includes external formworks; the external formworks include the first external formwork and the second external formwork; the retaining formwork component includes a first retaining formwork and a second retaining formwork; the end formwork component includes a convex end formwork and a concave end formwork; and the space enclosed by the first external formwork, the second external formwork, the first internal formwork, the second internal formwork, the internal top formwork, the bottom formwork, the first retaining formwork, the second retaining formwork, the convex end formwork and the concave end formwork is used for pouring concrete. By mean of the integral hydraulic formwork applied to box culvert prefabrication, the prefabrication quality is high and stable, the adopted set shaped steel formwork has high surface rigidity, is not prone to deforming, and has good flatness.

The invention relates to a method for quickly eliminating waste materials and remaining iron in a furnace during blast furnace overhaul. The method is a quickly eliminating method for mechanically detaching waste materials and carbon bricks in a furnace on the premise that a blast furnace shell is locally changed, particularly for mechanically detaching and cleaning furnace materials and carbon brick refractory materials on the premise that the blast furnace shell is locally changed, and moreover synchronously knocking and crushing remaining iron clots in the furnace by means of detaching and falling of the upper cooling wall, and removing both remaining iron clots and waste materials out of the furnace by virtue of a grab excavator. The method has the characteristics of use of few labors, high detaching speed, convenience in operation, quick construction, safe construction and the like, and can be used for increasing the speed for cleaning waste materials in the furnace in the process of blast furnace overhaul. Compared with traditional manual detaching and cleaning mode, the method has the advantages that the speed for cleaning waste materials and remaining iron in the furnace during blast furnace overhaul can be increased and the safety factor of the process of constructing in the blast furnace can be improved.

The invention discloses a method for detecting a mixed acid solution in the manufacturing process of a polycrystalline silicon solar cell. The method is used for detecting a mixed acid system which consists of hydrofluoric acid, nitric acid and fluorosilicic acid. The method comprises the following steps of: detecting the total acid concentration of the solution by using an acid-base neutralization method; heating and boiling the solution which is subjected to acid-base neutralization, decomposing fluorosilicate to generate hydrogen ions, determining the content of the hydrogen ions by alkali liquor titration, and thus obtaining the concentration of the fluorosilicic acid by calculation; detecting the concentration of the nitric acid in the mixed acid solution by using an oxidation-reduction titration method; and subtracting the concentration of the fluorosilicic acid and the concentration of the nitric acid from the total acid concentration, and thus obtaining the concentration of the hydrofluoric acid. The method is simple in flow, easy to operate and low in economic investment and can be applied to long-term monitoring of a texturing process and an etching process in the production process of the polycrystalline silicon solar cell and stability of equipment, manpower resources are saved, high-end equipment is eliminated, detection accuracy can be over 95 percent.

The present invention discloses a method for backfilling goat and supporting roof. said method includes the following steps: (1), preparatory stage; (2), pouring mixed slurry into tunnel; (3), repeatedly applying pressure to the mixed slurry in the tunnel interior and making vibration; and (4) filling up gap with expansion material slurry, pressurizing by means of self-weight and solidifying, etc.

The invention particularly relates to crop drying equipment which is characterized in that a retaining wall (4) is arranged in the middle in the a crop drying house (12) and is connected with the crop drying house (12), a spacing at one end of the retaining wall forms an air inlet passage, a spacing at the other end of the retaining wall forms an air outlet passage, a door (1) is arranged at the wall of one side of a drying room (18) of the crop drying house (12), and a plurality of drying racks are arranged in the drying room; a fan (5) is arranged at one side of the air inlet passage of an air duct (3) of the retaining wall, a boiler (14) is arranged at one side of the air outlet passage of the air duct of the retaining wall, and is provided with a plurality of heat pipes (9) through a boiler body, one ends of the heat pipes correspond to the fan (5), and an electric control system (13) is arranged at one side of the air outlet passage of the air duct (3). The crop drying equipment can fast dry crops, and realize the small fast drying of the crops by small environment formed by the crop drying house and the outside in a sealing manner.

The invention discloses a prefabricated shear wall dry type vertical connecting node and a construction method. The vertical connecting node comprises mutually connected prefabricated shear walls, wherein a tongue and groove joint is arranged at a connecting interface of the prefabricated shear walls; the tongue and groove joint is subjected to hacking treatment; hairpin type connecting elements are respectively buried in positions, near the inner and the outer facades of the prefabricated shear walls, of the tongue and groove joint; the hairpin type connecting elements comprise mutually welded anchor plates and anchor bars; the outer sides of the anchor plates are exposed out of the end surface of the tongue and groove joint; the anchor bars are anchored in the prefabricated shear walls arranged at the inner sides of the anchor plates; the centers of the anchor plates are provided with screw bolt holes; grooves are formed in the prefabricated shear walls positioned at the inner sides of the screw bolt holes; the hairpin type connecting elements arranged at the two sides of the connecting interface are mutually symmetrical; in addition, screw bolts are arranged in a pair of screw bolt holes; and the two ends of the screw bolts are positioned in the grooves. The construction method comprises the steps of prefabricated shear wall manufacturing, butt joint of the hairpin type connecting elements at the tongue and groove joint part, screw bolt installing, mortar filling and the like. The vertical connecting node basically realizes a fully dry type connecting method, the connecting intensity and the bearing force are high, and the node conforms to the requirements of building industrialization and housing industrialization.

The invention discloses a ventilating pipe system cleaning system and a cleaning method of the ventilating pipe system cleaning system. The ventilating pipe system cleaning system comprises a cleaningpipeline, a vacuum dust collector, a soft oil cleaning machine, a pipeline peeping instrument, an electric control box and an electric disinfection high-pressure spraying machine. Plugging air bags and a cleaning robot are arranged inside the cleaning pipeline, and inlet and outlet assemblies are arranged on the cleaning pipeline. A cleaning part is fixedly installed on an output shaft of the cleaning robot, and a high-definition pipeline camera is fixedly installed on the top of the cleaning robot. By the adoption of the ventilating pipe system cleaning system, pollutants in a ventilating pipe system can be cleaned away, the situation that a whole ventilating system of a ship is clean can be effectively guaranteed, the supplied air is free of pollutants, the abnormal odor and germs, theair quality is improved, and the physical and psychological health of the crew is facilitated. The pipeline is obstructed by the plugging air bags, and therefore the air pipeline can be cleaned in a subsection mode, the pipeline is conveniently cleaned, the pipeline can be effectively cleaned under the condition that an in-built ceiling and a wall decoration face in the ship are not taken down, and the formed decoration of the ship is not damaged.

The invention provides a shaping rack which comprises a rack base, an integral framework arranged on the rack base, and steel bar positioning grooves arranged on the integral framework, wherein the integral frame comprises a plurality of transverse frames transversely arranged on the rack base, two upper longitudinal frames, and two lower longitudinal frames longitudinally arranged on two lateral sides of the rack base; the two lower longitudinal frames are connected with all the transverse frames; both ends of the transverse frames protrude out of the rack base and are perpendicularly connected with upright poles; the top of the upright pole at each side of the rack base is connected with one upper longitudinal frame; a border frame is arranged between the upper longitudinal frame and the lower longitudinal frame at each side; and the steel bar positioning grooves are formed in the transverse frames and the border frames in an equidistant manner. Compared with the prior art, the shaping rack has the beneficial effects that the interval and the size of a steel bar can be precisely positioned, the bundling speed is fast, checking is convenient, few labors are used, protective layer cushion blocks are mounted integrally and spaced uniformly, the steel bar framework manufacturing quality is ensured, the construction cycle is effectively shortened, and the cost is saved.

The invention discloses a filter element cleaning machine. The filter element cleaning machine comprises a machine body and a bracket, wherein a water storage tank is arranged at the bottom end of the machine body, a pressure pump is arranged above the water storage tank and is fixedly connected with a cleaning tank, and the cleaning tank is connected with the machine body; the bracket is arranged on the top of the cleaning tank, a plurality of filter element support rods are fixedly mounted at the bottom of the inner side of the cleaning tank, hairbrush pillars are distributed on the peripheries of the filter element support rods, and a plurality of spray heads are further arranged on the top of the inner side of the cleaning tank; a control panel is arranged on the side surface of the machine body. By virtue of the filter element cleaning machine, 18 20'' filter elements can be cleaned within one minute, the cleaning speed is high, and the cleaning effect is obvious. Compared with other cleaning manners, the filter element cleaning machine has the advantages that the time and the labor are saved, the water consumption is obviously reduced, the surface cleanliness and the inside cleanliness are high, the consumed effort is low, and meanwhile, the consumable cost is lowered.

The invention discloses a cloth stretching device for a quilter. The cloth stretching device comprises a support and a material frame arranged on the support. The material frame comprises a side frame and a clamp which is arranged on the side frame and is used for clamping textile fabrics. The cloth stretching device is simple in structure, low in manufacturing cost, high in feeding speed, little in used manual work, high in efficiency, good in feeding effect and good in safety.

The invention discloses a transhipment method of bulk cargo from factories to shipment. The method is characterized by adopting an improved container to load and unload and transferring cargo to a warehouse through a dumper. During shipment, a hopper of the dumper is used for conveying bulk cargo to a port. An iron chain of a crane is used for lifting the hopper. By adjusting lengths of two ends of the iron chain at different time, balance of the hopper during hoisting is achieved. During unloading, one end of the hopper is oblique and self weight of bulk cargo is used for opening and the cargo goes into the warehouse.The transhipment method of bulk cargo from factories to shipment is high in shipment efficiency, safe and stable in transport and does not cause pollution to bulk cargo without much labor cost. The amount of bulk cargo going in and out of the warehouse and shipment can be monitored in a real-time manner.

The invention discloses a support of a straightening machine. The support of the straightening machine comprises a supporting device and a transmission mechanism, wherein the supporting device is arranged on a workbench of the straightening machine; the supporting device is in transmission connection with the workbench by the transmission mechanism, so that the supporting device can do reciprocating motion on the workbench; and the transmission mechanism comprises a motor and a speed reducer. The supporting device and the transmission mechanism are adopted; the supporting device is automatically driven by the transmission mechanism to move; efficiency is high; labor cost is low; and automation degree is high.

The invention belongs to assembly technology of actuators, and relates to an improved mounting method and a special alignment rod for a connecting pin of a main piston of an actuator and a slide block of a sensor. The mounting method comprises the following steps of: selecting and matching an adjusting gasket 4; aligning the section of an annular mounting groove on the slide block of the sensor with the centre of a connecting pin mounting hole on a main piston; and mounting the connecting pin. The alignment rod of the invention consists of a conical section [6a], a cylindrical section [6b] and a handle [6c]. The mounting method and the alignment rod have the advantages of low used labor, high assembly efficiency and capability of ensuring the accuracy of the sensor.

The invention belongs to the technical field of farm equipment and particularly relates to a farm grass seed spreader. The farm grass seed spreader reduces labor and realizes automatic grass seed spreading and a wide spreading distance. The farm grass seed spreader comprises a frame, wheels, a first bearing, a diesel engine, a motor, a first pulley, a mounting plate, a second pulley, a first bevelgear, a first belt, a first shaft, a second bevel gear, a round wheel, a pin, a slotted pore plate, a second bearing, a second shaft, a spreading head, a first vertical support plate, a second vertical branch plate, a funnel, a discharge tube and a telescopic tube. The farm grass seed spreader reduces labor, realizes automatic grass seed spreading and a wide spreading distance, also realizes material control and automatic stirring and has the the characteristics of convenient use, safe use, simple operation, low manufacturing cost and fast spreading speed.

The invention relates to a disassembling and vehicle shell crushing assembly line for a scraped car. The disassembling and vehicle shell crushing assembly line is characterized by comprising a disassembling line (1), a lifting and conveying emptying machine (2), a prebreaker (3) and a crushing line (4). The disassembling and vehicle shell crushing assembly line is used for disassembling the whole vehicle, all parts are disassembled at the stations of the disassembling line (1) according to assigned disassembling tasks, then a disassembled vehicle shell is prebroken and broken, and finally clean material is obtained after sorting. The disassembling and vehicle shell crushing assembly line has the advantages of high production efficiency, labor intensity of disassembling operators is low, the requirement for environment-friendly disassembly is satisfied, and the crushed material meets the requirement of feeding concentrated material into a furnace in the metallurgical industry.

The invention discloses a using method for a selenium-enriched chicken cake combined semi-automatic production line. The method comprises the following steps: during production, preparing raw materials of selenium-enriched chicken cakes, and during processing, enabling the prepared materials to pass through a meat grinder, a chopper mixer and a tumbler so as to obtain filled stuffing; setting thefilled stuffing by a vacuum packer; pushing a meat cake mold to enter a steam box by a handle via a touch switch sealing door, heating at a constant temperature for several minutes to complete cookingof the meat cakes, and stopping heating by a steam water bath; and slicing the meat cakes, and vacuumizing and sealing in a vacuum package machine by manual bagging. The automatic production line isdivided into a burdening platform, an ingredient refrigerating tank, a low-temperature forming box, a steam box vacuum packing platform and a vacuum package machine which are respectively operated bya control console, lots of manual labor is reduced, the yield and product profit are improved, the occupied space is small, and the product is dense and solid in structure, elastic, strong in grain feeling, excellent in slice performance, absent in clustered pore, unique in flavor, fresh and delicious and excellent in market prospects.

The invention discloses a method for detecting a mixed acid solution in the manufacturing process of a polycrystalline silicon solar cell. The method is used for detecting a mixed acid system which consists of hydrofluoric acid, nitric acid and fluorosilicic acid. The method comprises the following steps of: detecting the total acid concentration of the solution by using an acid-base neutralization method; heating and boiling the solution which is subjected to acid-base neutralization, decomposing fluorosilicate to generate hydrogen ions, determining the content of the hydrogen ions by alkali liquor titration, and thus obtaining the concentration of the fluorosilicic acid by calculation; detecting the concentration of the nitric acid in the mixed acid solution by using an oxidation-reduction titration method; and subtracting the concentration of the fluorosilicic acid and the concentration of the nitric acid from the total acid concentration, and thus obtaining the concentration of the hydrofluoric acid. The method is simple in flow, easy to operate and low in economic investment and can be applied to long-term monitoring of a texturing process and an etching process in the production process of the polycrystalline silicon solar cell and stability of equipment, manpower resources are saved, high-end equipment is eliminated, detection accuracy can be over 95 percent.

The invention relates to a multi-shaft door frame forming device, which comprises a stander, wherein the stander is provided with a plurality of saw blades which are connected with a motor, the motor is connected with the stander in a way that the motor can move forwards and backwards and leftwards and rightwards, and the plurality of saw blades is are distributed along a feeding channel. Through the above structure, multiple machining procedures can be automatically completed in one step, and the simplicity in operation can be realized. The multi-shaft door frame forming device has the advantages of fast speed, high machining precision, low cost, high efficiency, less labor and high machining safety coefficient.

The invention discloses a U-shaped beam forming machine with a rack-type billet centering device, which includes a frame, a bending cylinder, an upper mold, a lower mold, an upper demoulding cylinder, a lower demoulding cylinder, a hydraulic system, and a rack The blank centering device, the booster device and the front platform of the machine, the cylinder body of the bending cylinder is connected to the frame; the piston rod of the bending cylinder is connected to the upper mold; the upper demoulding cylinder is connected to the frame, and the upper The piston rod of the demoulding oil cylinder can be passed down from the inside of the upper mold when it moves; the lower mold is connected with the frame through an L-shaped pressure plate and bolts; the back seat of the lower demoulding oil cylinder is connected in the lower box beam of the frame, It is connected with the stripping plate; the booster device is connected to the lower mold; the rack type billet centering device is connected to the lower box beam of the frame; the hydraulic system is set on the upper part of the frame or can be set independently on the frame Nearby, each working oil cylinder is connected through an oil circuit; the front platform is arranged in front of the feed port of the frame.

The invention relates to the technical field of automatic supply of ground water level in soil, in particular to an open well and an establishing method thereof. The open well comprises a well body, the interior of which is provided with a steel bar framework of the well body. The height of the steel bar framework of the well body is the same as the depth of the well body. The framework is wrapped by a metal wire net and anti-filter geotechnical cloth. The open well and the establishing method thereof have the following beneficial effects: the side wall of the well body is permeable to water; the water permeable area is increased by a dozen of times than an ordinary water well; after water is fetched, the underground water level can permeate from the side wall so that rapid recovery and supplement are obtained; resources, capital and manpower can be saved; during construction, hole-wall collapsing danger is avoided and construction speed is high; sand stones of the side wall of the well body are effectively prevented from falling into the well body; there is no need to desilt and clear sand for a long time; the construction cost is low; the water percolating capacity is high; a conventional large number of machine wells are replaced; and the establishing method helps improve the ecological environment and restores the underground water level; the initiative of farmers to open up the open well for fetching water is improved; once people fall into water, they can climb along the framework; and the open well is safe and reliable.

The invention relates to a quickly-assembled concrete-filled steel tube laminated shear wall staircase and an installation method, and belongs to the technical field of house construction. The staircase comprises laminated shear walls, combined stairs, T-shaped cover plates and frame beams, wherein the combined stairs are sequentially connected between the two laminated shear walls on the opposite sides from bottom to top, one ends of the combined stairs are connected to floor plates through the frame beams, the other ends of the combined stairs are connected with the laminated shear walls through connecting pieces, and the T-shaped cover plates are arranged between the combined stairs. The staircase is constructed in advance at the speed of not less than one floor before the main body structure, vertical traffic is realized before house construction, the problem that staircase construction and floor construction are not synchronous at present is solved, the working efficiency is high, and meanwhile, the problems that the concrete staircase construction is slow and the pollution is serious are avoided.

The invention discloses a preparation method of a porcine delta coronavirus inactivated vaccine. The preparation method comprises the following steps: 1) step-by-step amplification culture of ST full suspension cells in a serum-free culture medium; 2) performing fermentation culture on the ST full suspension cells subjected to amplification culture, when the cells grow to 6 * 10 < 6 > / ml or above, diluting the cells to 4-5 * 10 < 6 > / ml by using a serum-free culture medium containing pancreatin, enabling the final concentration of the pancreatin in the serum-free culture medium to be 20-30mu g / ml at the moment, and inoculating the porcine delta coronavirus according to the MOI of 0.0005-0.001; 3) when the cell density is reduced to (0.5-1.0) * 10 < 6 > / ml, harvesting a cell culture; (4) removing cell debris from the harvested cell culture under a sterile condition and carrying out inactivation treatment; and 5) mixing and emulsifying the virus liquid passing the inactivation inspection and a pharmaceutically acceptable adjuvant according to a certain proportion, and quantitatively subpackaging to obtain the vaccine. The method disclosed by the invention is simple in process, low in production cost, low in labor consumption and high in virus titer.

The present invention discloses a method for backfilling goat and supporting roof. said method includes the following steps: (1), preparatory stage; (2), pouring mixed slurry into tunnel; (3), repeatedly applying pressure to the mixed slurry in the tunnel interior and making vibration; and (4) filling up gap with expansion material slurry, pressurizing by means of self-weight and solidifying, etc.

The invention discloses a powder metallurgy composition. The powder metallurgy composition consists of graphite powder with a mass percentage of 0.45% to 0.95%, micronized wax with a mass percentage of 0.65% to 0.85%, and a mass percentage of 20% to 50%. It consists of diffused pre-alloyed powder and atomized powder with a mass percentage of 48.25% to 78.7%. The invention also discloses a method for manufacturing the sensor chain block of the braiding machine. In the present invention, a composite material is used to replace the original dense material, and the wear-resistant diffusion pre-alloying element is pre-alloyed with iron powder, and then added in the form of diffusion pre-alloy powder instead of adding in the form of simple substance, and the pre-alloyed The process of stirring and mixing replaces the process of melting and casting dense materials, which makes the finished product have excellent wear resistance and the service life is increased by 30.1 times.

The invention provides an intelligent well lid monitoring system based on an NB-IOT technology, and relates to the technical field of intelligent management of cable tunnel well lids. The intelligent well lid monitoring system structurally comprises a well lid, a lock body, a control box, a cloud server, a PC terminal monitoring system and a mobile terminal APP, wherein the control box and the lock body are arranged on the back surface of a well lid body, the control box is in control connection with the lock body, the control box is connected with the cloud server through a wireless network, and the cloud server is connected with the PC terminal monitoring system and the mobile terminal APP through a network. The intelligent well lid monitoring system has the beneficial effects that the networked monitoring of the well lid is realized, so that the well lid cannot be opened at will, the remote automatic control of unlocking and locking is realized, and the alarm function when the well lid is damaged by external force or illegally opened is realized.

The invention provides an installing structure for a finished product type sewer pipeline. The installing structure comprises a connecting assembly, an installing pipe and tiles, wherein the connecting assembly comprises a connecting part and a fastening part, the installing pipe is located on an internal corner of a base layer wall body and wrapped on the outer side of the sewer pipeline, the twosides of the installing pipe are connected with the base layer wall body through the connecting assembly, the connecting part is bonded to the outer wall of the installing pipe, the connecting part and the base layer wall body are connected through the fastening part, the installing pipe is a finished product concrete pipeline, and the tiles are laid on the outer wall of the installing pipe. Compared with the prior art, the installing structure has the following advantages that installing is rapid and convenient, construction efficiency is high, installing quality is good, and the phenomenonof tile falling or hollowing is not generated easily.