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 discloses a rotating injection type oil mixing device. The oil mixing device comprises a tank body, wherein an explosion-proof servo type immersed pump is arranged at the bottom inside the tank body and connected with a vertical delivery pipe through a rotatable component, a plurality of horizontally-mounted arc-shaped injection pipes are arranged on the delivery pipe in the vertical direction, the injection pipes comprise left injection branch pipes and right injection branch pipes which are symmetrically mounted with the delivery pipe serving as the center, and left injection holes and right injection holes capable of perpendicularly injecting an oil product to the inner wall of the tank body are symmetrically formed in the left injection branch pipes and the right injection branch pipes and are opposite in forming direction. The oil mixing device is simple in structure, convenient in design and mounting technology and easy to manufacture, the ejection effect is combined with mechanical stirring, and diversified oil mixing manners exist, so that the oil product in the tank body performs multidirectional composite motion including surging, rolling, agitating and the like, the oil product is high in mixing uniformity, the quality of the oil product in the tank body is uniform, and the oil mixing device further has the advantages of abrasion and impact resistance, high safety performance and the like and is worthy of wide popularization.

The invention discloses a multi-layer convenient rice combined steam box which comprises a box body, a rice washing system, a rice soaking net band, a soaking water bank, a rice steaming net band, a steam generating system and a drainage system, wherein the rice soaking net band, the soaking water tank and the rice steaming net band are positioned in the box body, one section of the rice soaking net band is positioned in the soaking water tank, the rice outlet of the rice soaking net band is higher than the rice soaking net band positioned in the soaking water tank, the rice steam bet band is positioned below the rice soaking net band; a cooked rice outlet is arranged on the box body, and the steam generating system comprises a steam generator and a steam pipeline. The invention integrates rice washing, rice soaking in water, steaming and steam self-generating into a whole, is suitable for equipment of a convenient rice production line for use because the steaming and the cooking processes are continuously operated in the same equipment in a layering mode, and can reduce the occupation length of the equipment, decrease the heat energy loss and improve the heat efficiency of the equipment.

The invention provides a novel urban railway guard rail device which comprises a guard rail support. The guard rail support is in an L shape, one end of the guard rail support is located below a traveling rail and connected with the rail bottom of the traveling rail in a fastened mode, the other end of the guard rail support is connected with a guard rail, the end portion of the guard rail support is sleeved with a gumshoe type elastic cushion block, the guard rail is located above the gumshoe type elastic cushion block, and the top of the guard rail is higher than the top of the traveling rail. The novel urban railway guard rail device is simple in structure, safe and reliable in use and convenient to disassemble and assemble, guarantees are provided for safety traveling of an urban railway transport vehicle, abrasions on the lateral side of the rail head of a curve outer steel rail are reduced, the service life of the steel rail is prolonged, the capacity of a rail frame structure for resisting the traverse deformation is improved, the working loads for maintaining the small-radius curved section rail are reduced, and the operating cost is reduced.

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 relates to a sports protection article, in particular to a pair of multifunctional gym shoes which can protect the feet of athletes from being hurt in an omnidirectional way and synchronously relieve the hurt to the opposite side, comprising a vamp and a sole that is fixedly connected with the vamp; a plurality of protective mats are respectively positioned at the toes, the surface of the feet, the feet wrist, the ankle as well as the inner sides and the outer sides of the feet; the sole is made of soft material, and one side of the sole which is contacted with the feet is provided with convex plastic skidproof granules that are corresponding to the shape of the feet, the other side is provided with a plastic skidproof surface that is corresponding to the shape of the feet; riser vents are arranged around the convex plastic skidproof granules and the plastic skidproof surface. Gap is opened between the great toe and the other four toes at the toe part of the gym shoes and the great toe and the other four toes are connected together by elasticated cloth; the feet wrist part of the vamp is provided with the protective mat used for protecting the feet wrist and an elastic belt arranged above the protective mat; the elastic belt is provided with a drawstring which is fixedly connected with a nylon agraffe. The invention can effectively protect all the parts of the feet and is comfortable, sanitary and skidproof at the same time.

The invention belongs to the technical field of a winding machine, and provides a multi-axis linkage winding machine for wrapping an irregular pipe body. The multi-shaft linked winding machine comprises a foundation support, wherein the foundation support is connected with a clamping support by virtue of a moving apparatus, the clamping support makes the translation movement in a three-dimensionalspace relative to the foundation support by virtue of the moving apparatus, the clamping support is provided with a clamping portion in a rotating manner by virtue of a rotating apparatus I, the foundation support is provided with a winding frame in a rotating manner by virtue of a rotating apparatus II, a rotating shaft of the winding frame is perpendicular to a rotating shaft of the clamping support, the winding frame is provided with a winding disc in a rotating manner, and the winding disc is provided with a supporting apparatus for supporting a wound strip coil. By virtue of the technical scheme, the technical problems in the prior art that no winding machine for winding the irregular tubular article is provided can be solved.

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 discloses a platform desk lifting and descending hydraulically. The platform desk comprises a platform desk top, wherein a plurality of hydraulic telescopic rods are arranged below the platform desk top and include telescopic rods connected with the bottom end of the platform desk top, the lower ends of the telescopic rods are sleeved by a hydraulic cylinder, the hydraulic cylinder is fixed above a storage cabinet, the storage cabinet is installed on a base, and the peripheral bottom end of the base is provided with rolling wheels. The height of the platform desk can be flexibly and mechanically adjusted by arranging the hydraulic telescopic rods. Four rolling wheels are arranged at the bottom end of the base, the defect that an existing platform desk can be moved is overcome, the position of the platform desk can be flexibly and mechanically moved, the requirements for mobile teaching, interaction between teaching and learning and the like of teachers at present are met, the platform desk top is scientific and reasonable in arrangement, and the platform desk is simple, practical, good in practicability and worthy of wide popularization.

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.

An intelligent closestool free of a water tank comprises a closestool body, a drain outlet, a syphoning water port, a cleaning face water outlet hole located in the bottom end of a seat cushion, a cleaning face water outlet formed in one side of a main closestool body, a flushing device arranged on one side of the closestool body, a deodorization device, a sterilization device, a cleaning device,a drying device, a sensing device arranged at the bottom of the closestool body, a seat cushion heating device installed in the seat cushion and a seat switch located on the seat cushion, wherein theclosestool body consists of the main closestool body, the seat cushion, a cover plate and a buffer plate, the drain outlet and the syphoning water port are formed in two sides of the main closestool body, the flushing device comprises a syphon face pulse magnetic valve, a cleaning face pulse magnetic valve and a water inlet valve, the syphon face pulse magnetic valve is communicated with a syphoning water outlet, the cleaning face pulse magnetic valve is communicated with the cleaning face water outlet, and the deodorization device, the sterilization device, the cleaning device and the dryingdevice are arranged in the main closestool body. The intelligent closestool is full in function, convenient, practical, simple in structure, achieves the purposes of saving resources and space and canalso achieve an intelligentized working function.

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 shear-type podium table based on ball screw lifting. The shear-type podium table comprises a podium tabletop, two sets of shear-type stretchable rods arranged below the podium tabletop, both of the top ends of the two sets of shear-type stretchable rods are embedded into grooves formed in the bottom end of the podium tabletop, the bottom ends are connected to ball screw nuts, a ball screw connected with each ball screw nut is sleeved with the corresponding ball screw nut, a crank mechanism is arranged between one ends of the two ball screws, a rotating rocker is hinged to the crank mechanism, the two ball screws and the rotating rocker are fixed to a bottom plate, the bottom ends of the periphery of the bottom plate are each provided with a roller. Due to arrangement of the stretchable rods, on the basis of regulation of the ball screw, on the one hand, the height of the supporting rod can be flexibly and mechanically adjusted; on the other hand, the shear-type stretchable rods can be compressed and folded, so that the stretchable rods are exquisite, portable and convenient to carry and store; due to arrangement of the four rollers, the podium table can be flexibly and conveniently moved, the current requirement for flow teaching and interaction between teaching and learning is met, and the shear-type podium table is simple, practical, good in practicability and worthy of wide popularization.

The invention belongs to the technical field of timing devices and discloses a timing terminal of an intelligent Internet of Things. The timing terminal comprises a triggering module, sensing devicesand a detection device which are connected with the timing terminal, wherein a data analyzing module and a signal filtering module are arranged in the timing terminal; the detection device comprises asupport frame crossing over a runway and comprises two longitudinal rods which are arranged on two sides of the runway respectively; tops of the two longitudinal rods are connected with each other through a transverse rod; the bottoms of the two longitudinal rods are articulated with reflective plates; an infrared transmitter is arranged on one longitudinal rod; an infrared receiver is arranged on the other longitudinal rod; a photoelectric sensor is arranged at the bottom of the transverse rod; the reflective plates are connected with the longitudinal rods through an electric rotating frame;two sensing devices are arranged on the same sides of the longitudinal rods. The invention also discloses a timing method of the intelligent Internet of Things. The timing terminal of the intelligentInternet of Things is ingenious in design; the technical problems that the overall cost is high and the real-time performance is low of the full-automatic image timing device system in the prior art,and the timing device deployment system in the wireless transmission technology is troublesome and unstable are solved.

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 discloses a support-shaped jet type oil mixing device. The device comprises a tank body, wherein an anti-explosive servo type immersed pump is arranged at the bottom of the inner side of the tank body; the immersed pump is connected with a vertically arranged conveying pipe, a plurality of jetting branch pipes are arranged on the conveying pipe in the vertical direction; each jetting branch pipe comprises a left branch pipe and a right branch pipe which are arranged symmetric about the conveying pipe, and a plurality of jetting holes are formed in the front (rear) side surface of each left branch pipe and the rear (front) side surface of the corresponding right branch pipe and the tail ends of the left branch pipe and the right branch pipe. The oil mixing device is simple in structure and easy to manufacture, the design and mounting process is simple and convenient, oil products in the tank surge up and down, move leftwards and rightwards, roll and perform other composite movements in multiple directions by means of a jetting effect in combination of mechanical stirring and composite oil mixing manners, the mixing uniformly is high, the quality of the oil products in the tank is uniform, and the oil mixing device further has the advantages of wear resistance, impact resistance, high safety and the like and is worth wide popularization.

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.

A central standard boards and elevation reference points setting method for production line of a sintering machine is disclosed. The production line of the sintering machine is 120 m long. A head wheel is arranged 6 m from one end of the production line, and a tail wheel is arranged 100 m from the other end of the production line. The setting method is characterized by comprising the following steps: a, conducting foundation acceptance; b, preparing central standard boards and elevation reference point members; c, determining and setting center line of the sintering machine according to central targets at two ends of the vertical center of the sintering machine; d, pulling vertical and horizontal center lines and hanging steel wires according to the central standard boards embedded in the foundation; e, calculating according to the center lines of the equipment or according to geometric size of the equipment; f, selecting detection position on the equipment; and g, leveling with a horizon rule and a precision level meter on a selected reference surface, and completing setting of the central standard boards and elevation reference points setting method for the production line of the sintering machine. The method of the invention has advantages as follows: operationality for setting of the central standard boards and elevation reference points is strong; setting of the central standard boards and elevation reference points is scientific and reasonable; and installation precision is raised.

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.

The invention belongs to the technical field of synchronizer steel ring thermal treatment and provides a spraying machine for steel rings of a synchronizer. The spraying machine comprises a base. A magnetic disc used for storing the steel rings is rotationally arranged on the base. A lifting spraying head is arranged above the magnetic disc and comprises a spraying head body connected with the base through a lifting device. The lifting device is connected with the base through a connecting support. The connecting support is arranged on one side of the magnetic disc. A limiting switch is further arranged on the connecting support and on the lower portion of the lifting device. The lifting device is connected with the connecting support through a supporting frame. Three magnetic positioning heads are arranged on the magnetic disc. Clamping grooves used for fixing the steel rings are formed in the magnetic positioning heads. The three magnetic positioning heads are circumferentially and evenly distributed on the magnetic disc. The conception is ingenious, operation is easy and convenient, and the technical problem that in the prior art, traditional manual brushing cannot meet the requirements of three aspects of customers, enterprises and laborers is solved.