115results about How to "Scientific and reasonable setting" patented technology

The invention discloses a manipulator capable of rotatably lifting. The manipulator capable of rotatably lifting comprises a base, wherein a gyrating waist plate and a vertical arm are sequentially arranged on the base; the vertical arm is vertically mounted, and a suspension arm which is horizontally mounted is arranged on the vertical arm; a hoisting arm is connected to the rear end of the suspension arm; the bottom end of the suspension arm is connected with a wrist part through a plurality of gear sets; a fourth driver, and a gripper mechanism connected with the fourth driver are arranged on the wrist part. The manipulator capable of rotatably lifting is simple in structure, and easy to manufacture, and can perform multi-dimensional movement; the traditional manual operation is changed; the manipulator has the advantages of being high in production efficiency, low in equipment cost and repair cost, wide in applicable scope, reliable in transmission, high in driving performance, high in sensitivity, wide in movement range, reliable in transmission, and stable to clamp; the manipulator is high in overall performances and worthy of wide popularization.

The invention discloses a downhole stereo rapid water drainage method through the combination of horizontal drilling holes and vertical drilling holes. A plurality of main horizontal drilling holes are transversely arranged in an aquifer, a plurality of branch horizontal drilling holes extend out from the tail ends of the main horizontal drilling holes, the main horizontal drilling holes and the branch horizontal drilling holes avoid a poor-water area and pass through a rich-water area, a plurality of vertical drilling holes are arranged upwardly from the top plate of a tunnel and vertically reach to the place where the horizontal drilling holes cannot reach and the rich-water area with large expected water inflow, a stereo drainage network is formed through the combination of the plurality of horizontal drilling holes and vertical drilling holes, and water in a stope caving zone, a water guide crack zone, and a bottom board damage influence zone in the stoping influence range of a top bottom board can be clearly drained to a large extent. According to the method, the horizontal drilling holes and the vertical drilling holes are reasonable and scientific in design, the water pressure is effectively reduced, the drainage effect is improved, the construction period is greatly shortened, and the exploitation safety of the ore bed threatened by flood damage.

The invention provides a winter jujube planting method. The winter jujube planting method comprises the steps that land preparation is performed: land flat in terrain, convenient to irrigate, good in drainage, fertile in soil and loose in nature is selected for deep ploughing, and field planting furrows are dug according to line spacing; fertilizing is performed: organic fertilizer and loess are evenly mixed and backfilled to the field planting furrows, and leveling is performed; nursery stocks are selected: grafted seedlings with the stem thickness of more than 1 cm and the height of more than 0.7 m are selected as the nursery stocks; field planting is performed: field planting is performed from leaf falling in autumn to germination in a next year; seedling management is performed: young seedlings undergo watering in good time, fertilizer application, intertillage and disease and pest prevention and control within two years after the field planting is completed; reshaping and pruning are performed: resting-stage pruning is performed from leaf falling to sap flowing, wherein cuts are formed in the positions 0.5 cm higher than buds; fruit tree growing environment management is performed: artificial low-temperature dark-light dormancy promotion, mulching film coverage, temperature rise, ventilation and temperature and humidity control are adopted in the fruit tree growth process to manage a fruit tree growth environment. The winter jujube planting method is reasonable in design and achieves abundant winter jujube production in regions where are not suitable for cultivation by controlling temperature and cold needs.

A pollution-free specially-raised kilogram-level chicken house and a raising method belong to the field of raising technology. The chicken house is characterized in that a fan is used for longitudinal ventilation, an air outlet is disposed on the exterior wall of one end of the chicken house, a wet curtain is used for cooling the chicken house, a wet curtain layer is disposed in the middle of the exterior wall of the other longitudinal end of the chicken house, an air heater is disposed outside the chicken house, an air supply pipe is connected with the air heater and an indoor air supply branch pipe, the indoor air supply branch pipe is connected with a plurality of hot air outlet, and a plurality of rows of composite cages are disposed inside the chicken house and supported by a support. The raising method is characterized in that high-density multilayer group caging is adopted, the good method is used for good varieties, green pollution-free fodder materials and additives are used, and the raising process is specified. The raising method includes: fodder matching, seed selection, racking, separate caging, and inspection for sale; and obtaining pollution-free specially-raised kilogram-level chicken. The chicken house is scientific and reasonable in arrangement, the fodder is delicate, green and environment-friendly, chicken groups raised in the chicken cage grow and develop orderly and healthily, disease occurrence is low, growth speed is high, fodder utilization rate is high, and raising benefits are guaranteed.

The invention relates to a CAN network position timing influence factor detection system which is composed of a first node, a second node, a third node, a CAN bus section A and a CAN bus section B. The system is characterized in that the CAN bus section A is connected with the CAN bus section B, the first node is hooked on the CAN bus section A, and the second node and the third node are hooked on the CAN bus section B. The system can be used for detecting various factors influencing position timing in CAN network communication, the influence on communication from CAN controller position timing parameters, oscillator tolerance, transceiver types, harness parameters (length, characteristic impedance and transmission delay), impedance matching and common mode choke can be detected, the relevant parameters of position timing can be set more scientifically and reasonably, and the powerful technical support is provided for the stability of vehicle-mounted CAN network communication.

The invention belongs to the technical field of industrial exhaust gas treatment and provides an industrial exhaust gas purification treatment system. The system comprises a gas inlet, an oil fume gas condensing tower, a wet water film high pressure industrial exhaust gas purifier, a bag dust removing device, a cold combustion electrolysis tower, a plasma photocatalytic device and a gas outlet, the above parts are orderly communicated by pipes, a fan is arranged at the gas outlet, the top of the oil fume gas condensing tower is communicated with the top of the wet water film high pressure industrial exhaust gas purifier, the bottom of the wet water film high pressure industrial exhaust gas purifier is communicated with the bottom of the bag dust removing device, the top of the bag dust removing device is communicated with the top of the cold combustion electrolysis tower, and the bottom of the cold combustion electrolysis tower is communicated with the bottom of the plasma photocatalytic device. The system solves the problem that the existing treatment device has poor industrial waste gas treatment effects and cannot satisfy the existing industrial waste gas treatment demands.

The invention relates to the technical field of PCR laboratories, in particular to a PCR laboratory with environmental barrier. The PCR laboratory with environmental barrier comprises a reagent preparation room, a sample preparation room, a proliferation room and a product analysis room arranged sequentially from left to right, wherein the wall body between the reagent preparation room and the sample preparation room is provided with a first transfer window; the wall body between the sample preparation room and the proliferation room is provided with a second transfer window; and the wall bodybetween the proliferation room and the product analysis room is provided with a third transfer window. The PCR laboratory with environmental barrier has the beneficial effects that the laboratory isan innovative achievement through many years of practice, research and summary; and the technology of the invention is mainly embodied in the following aspects: structural divisions are laid firstly in a scientific and reasonable technology; setting in a scientific and reasonable airflow pressure gradient direction is firstly carried out; a reasonable gate opening direction of each functional roomis firstly carried out; and a personnel flow and sample flow direction is firstly laid in a reasonable mode.

The invention discloses a shear-type teacher's desk adopting a synchronous belt for lifting adjustment. The shear-type teacher's desk adopting the synchronous belt for lifting adjustment comprises a desk top and two shear-type extendable rods arranged below the desk top. The top ends of the two shear-type extendable rods are inlaid into a groove formed in the bottom end of the desk top, the bottom ends thereof are connected to ball screw nuts sleeving corresponding ball screws, a synchronous wheel is connected at one of the ends, on the same side, of the two ball screws, the two synchronous wheels are mounted coaxially, a drive device is connected with one of the two ball screws, the synchronous belt is connected between the two synchronous wheels, the two ball screws and the drive device are fixed on a bottom plate, and rolling wheels are arranged at the bottom peripheral end of the bottom plate. The shear-type teacher's desk adopting the synchronous belt for lifting adjustment has the advantages that adjusted through the ball screws, the shear-type extendable rods can be adjusted in height mechanically flexibly and can be compressed to fold, and accordingly the shear-type teacher's desk is convenient to carry and store; with the four rolling wheels, the shear-type teacher's desk is convenient and flexible to move, thereby meeting the requirements of mobile teaching and teaching interactivity nowadays and being highly practical and worthy of wide popularization.

The invention belongs to the technical field of slitting rewinding machines and provides a slitting rewinding machine and a raw paper processing production line. The slitting rewinding machine comprises a rewinding rack, a first bottom roller and a second bottom roller are arranged at the bottom of the rewinding rack, and two mandrel holders are also slidingly disposed on the two sides of the rewinding rack respectively and connected to the rewinding rack through mandrel lifting air cylinders which are arranged in the vertical direction; the mandrel holders are provided with mandrel clamping parts for clamping mandrels, the surfaces of the first bottom roller and second bottom roller are provided with thermal spray coatings, riding roller frames are also slidingly arranged on the rewindingrack, riding rollers are rotatably arranged on the riding roller frames, a synchronous shaft is also rotated on the riding roller frames, synchronous gears are arranged at both ends of the synchronous shaft, synchronous racks meshed with the synchronous gears are arranged on both sides of the rewinding rack, and riding roller lifting air cylinders are connected with the rewinding rack. Through the technical scheme above, the technical problem of low rewinding precision of slitting rewinding machines in the prior art is solved.

The invention belongs to the technical field of mixers, and provides a double-shaft horizontal type mixer for mixing concrete. The double-shaft horizontal mixer comprises a machine shell, a stock binis arranged inside the machine shell, a feeding inlet is formed in the upper part of the machine shell, and a discharge port is formed in the lower part of the machine shell. The feeding inlet and thedischarge port both communicate with the stock bin, and mixing main shafts are rotatably arranged in the stock bin. The mixing main shafts are each provided with a plurality of mixing rods in the radial direction of the mixing main shafts, the mixing main shafts are of hollow core structures, and first cavities are formed in the inner portions of the mixing main shafts. One ends of the first cavities are sealed, and liquid supply pumps are connected to the other ends of the first cavities through rotary joints. The mixing rods are of hollow core structures, and second cavities are formed in the inner portions of the mixing rods. The first cavities communicate with the second cavities. The mixing rods are each provided with a plurality of first through holes, and the first through holes communicate with the second cavities. Mixing blocks are slidably arranged on the mixing rods. Through the double-shaft horizontal mixer, the technical problem that the mixing effect is affected due to the fact that the structure of a mixing mechanism of a mixer in the prior art is limited due to the poor internal environment of a stock bin is solved.

The invention belongs to the technical field of anchor drilling machines, and provides an ultra-light portable trestle drilling machine. The ultra-light trestle drilling machine comprises a main supporting column for upward and downward jacking. A locking disc is arranged in the middle of the main supporting column, and is provided with a fixing shaft along the axis. A friction disc sleeves the fixing shaft, a fixing support is arranged on the friction disc, and a guide rail is arranged on the fixing support. A rotating main machine is arranged on the guide rail slidably, and a locking nut connected with a locking handle is arranged at one end, away from the locking disc, of the fixing shaft through an outer thread. By the ultra-light portable trestle drilling machine, the problems that the drilling angle of the anchor drilling machines in the prior art cannot be adjusted after being docked and the universality is low are solved.

The invention discloses a wind-jet rice mill with axial air intake, which comprises a rice mill body and a fan. The inner cavity of the rice mill body is divided into a whitening chamber and a feeding chamber. The inner cavity of the rice milling machine body is provided with a main shaft; one end of the main shaft and the end of the air spraying drum are connected with a suction bearing seat for air intake and fixed on the rice milling machine body; The fan is a negative pressure fan, and is connected with the drive wheel arranged at the other end of the main shaft for connecting the driving device. The present invention changes the traditional shaft-end air intake mode through the axial surface air intake, overcomes the limitation of the air intake volume by the radial size of the main shaft, and ensures a large air volume and insufficient ventilation in the whitening room; the negative pressure air jet is adopted to ensure whitening and drinking. The bran removal effect is good, and at the same time, the rice grains are subjected to uniform whitening pressure in the roller to avoid crushing and reduce waste; and the invention has a compact structure, takes up little space, is convenient to use and maintain, and is worthy of widespread promotion.

The invention belongs to the technical field of medical instruments, and provides a full-automatic artificial airway management instrument. The full-automatic artificial airway management instrument comprises a box, wherein the box is provided with an operation panel, an artificial airway air bag interface, an air bag upper drainage tube, a normal saline supply tube and a gas feeding/discharging tube; solenoid valves are separately arranged on the artificial airway air bag interface, the air bag upper drainage tube, the normal saline supply tube and the gas feeding/discharging tube; peristaltic pumps are further separately arranged on the air bag upper drainage tube and the normal saline supply tube; an air pump is arranged on the gas feeding/discharging tube; the operation panel, the peristaltic pumps, the solenoid valves and the air pump are connected with a CPU arranged in the box; and the CPU is further connected with a power supply module and a pressure acquiring chip. The full-automatic artificial airway management instrument is skillful in design and simple and convenient to operate; and the technical problems that in the prior art, when an artificial airway is used, the working intensity is large, and the operation accuracy is poor are solved.

The invention relates to a CAN message arbitration influence factor detection system which is composed of a first node, a second node and a CAN bus. The system is characterized in that the state display signal output end of a first processor embedded in the first node is connected with the input end of a first LCD display unit, the control input end of the first processor is connected with the data output end of a first keyboard, the reset signal output end of a first reset button is connected with the reset signal input end of the first processor, a first oscillator is connected with the oscillation input end of the first processor through a first oscillator socket, a bus communication end of the first processor is connected with the data transmitting and receiving ends of a first transceiver A, a first transceiver B, a first transceiver C, a first transceiver D and a first transceiver E, the characteristic of the second node is the same as that of the first node, and the first node and the second node are hooked on the CAN bus. The system can detect influence on message arbitration from CAN controller position timing parameters, oscillator tolerance, transceiver delay and harness physical delay, the parameters can be set more scientifically and reasonably, and therefore effectiveness of CAN message arbitration can be ensured.

The invention discloses a surging type oil mixing device. The surging type oil mixing device comprises a tank body, wherein a conveying pipe is arranged at the exterior of the tank body and is connected with a special crude oil conveying pump; one end of the conveying pipe is connected with a spraying pipe which extends into the lower end of the interior of the tank body; a conical spraying body is arranged at the tail end of the spraying pipe; the round surface of the spraying body faces upwards, and a plurality of spraying holes are formed in the spraying body; the other end of the conveying pipe is connected with a suction pipe which extends into the upper end of the interior of the tank body; the tail end of the suction pipe is provided with a horn-shaped suction opening. The surging type oil mixing device has the advantages that the structure is simple, the design and installation technology is simple and convenient, and the manufacturing is easy; by utilizing the surging type, the oil in the tank can do highly turbulence movements under the action of spraying effect, such as upward and downward surging and turning, the mixing uniformity is high, and the oil quality in the tank is uniform; the sealing property is good, the safety is high, the practicality is good, and the like; the surging type oil mixing device is suitable for widely popularizing.

The invention discloses a method for sampling and detecting the ratio of output of main product to by-product of crops at rice maturity based on an unmanned aerial vehicle, characterized by comprising the steps: firstly, cruising and shooting a paddy field to be detected by using the unmanned aerial vehicle according to set flight region and flight line, then splicing the acquired photos to obtain the orthograph image pattern of the whole flight region; then performing grating treatment on the orthograph image pattern, dividing the orthograph image pattern into a certain quantity of regular regions, and dividing the regular regions into a plurality of levels according to the grey scale value of each region; finally taking a plurality of paddy fields of unit areas at each level as the sampling points of the level, manually measuring to acquire the ratio of output of main product to by-product of crops at each sampling point, and averaging the ratios as the ratio of output of main product to by-product of crops of the paddy fields at the level, thereby obtaining the detection value of the ratio of output of main product to by-product of crops of all regions of the paddy field to be detected. The method can avoid randomness in selecting the sampling points for the ratio of output of main product to by-product of crops, and also can effectively improve the precision and efficiency of detecting values of the ratio of output of main product to by-product of crops at the rice maturity in the region.

The invention belongs to the technical field of drilling rig equipment, and proposes a self-propelled double-column drill carriage which is characterized by comprising a chassis. A travelling track isarranged below the chassis, the chassis is provided with a column, a guide rail is rotatably arranged at the middle of the column, a rotator is slidably arranged on the guide rail, the column includes a bottom pillar arranged on the chassis, the upper portion of the bottom pillar is connected with a pneumatic telescopic pillar, a first abutting seat is hinged to the top of the pneumatic telescopic pillar, rotating supporting rods are also rotatably arranged on the chassis, a rotating shaft of each rotating supporting rod is arranged in the horizontal direction, the length of the rotating supporting rod is larger than the distance between the chassis and the ground, the rotating supporting rod is telescopic and can be locked, the number of the rotating supporting rods is four, the rotatingsupporting rods are located at four corners of the chassis respectively, and a second abutting seat is hinged to one end of the rotating supporting rod far away from the chassis. According to the self-propelled double-column drill carriage, the problems that when a drilling rig is in drilling process, the chassis is instable easily and shakes, which results in a poor drilling effect is solved.

The invention discloses an environmental-friendly sow feed. According to different nutritional requirements in a gestation period and a lactation period of sows, in a complete sow feed, the lysine content is 5.5 to 13kg/T; the arginine content is 0.5 to 1.5kg/T; the additive amount of ferrous fumarate is 80 to 180g/T; the additive amount of non-starch polysaccharase is 0.2 to 1.0kg/T; therefore, the environmental-friendly sow feed has the advantages that: healthy pregnant sows and high number of alive piglets can be guaranteed; lactating sows have high lactation yield and good milk quality, weaned piglets are healthy and heavy, and the sows do not lose weight and can perform oestrus again successfully, so that the economic benefits of pig-raising enterprises and farmers are increased; the digestibility and the utilization ratio of the feed are improved; and the pollutant discharge of various unabsorbed nutritional substances in excrement and urine, particularly the nitrogen element discharge, is reduced, so that the aim of environmental protection is fulfilled.