24results about How to "Achieve precise delivery" patented technology

The invention discloses a reseeding device for ecological restoration and treatment of degraded grassland grassland, and belongs to the technical field of grassland seeding equipment. The reseeding device for ecological restoration and treatment of the degraded grassland comprises a vehicle body and a hopper used for throwing grass seeds, and further comprises an outer pipeline connected with the vehicle body through a pivot; when the bottom end of the spiral plate is inserted into soil, the outer pipeline is driven to rotate, and the soil can drive the outer pipeline to move downwards through the spiral plate; a first material through hole is formed in the side wall of the bottom end of the inner pipeline, and a pipe hole of the inner pipeline communicates with a pipe hole of the outer pipeline through the first material through hole; the large end face of the conical body can be attached to the bottom end of a pipe hole of an outer pipeline; and the lifting mechanism is used for driving the inner pipeline to move in the vertical direction relative to the outer pipeline. According to the reseeding device for ecological restoration and treatment of the degraded grassland, when reseeding is carried out on defect positions on the degraded grassland, the grassland does not need to be turned over, so that damage to surrounding grassland caused by reseeding of grass seeds can be avoided, and further degradation of the grassland is prevented.

The invention discloses a bio-organic fertilizer production system and production process, and relates to the technical field of bio-organic fertilizer production.The bio-organic fertilizer production system comprises a fermentation tank, the outer wall of the fermentation tank is fixedly connected with a ladder assembly, the middle of the top of the fermentation tank is fixedly connected with a stirring motor, and the rear side of the top of the fermentation tank is fixedly connected with a fungicide quantitative feeding mechanism; a discharging pipeline position adjusting mechanism is fixedly connected to the inner side of the bottom of the fungicide quantitative feeding mechanism, a fungicide feeding pipe channel is formed in the side, opposite to the fungicide quantitative feeding mechanism, of the rear side of the top of the fermentation tank, and a feeding pipeline is fixedly connected to the right side of the top of the fermentation tank; according to the device, by arranging the microbial agent quantitative feeding mechanism, the microbial agent quantitative feeding mechanism frame, the pushing mechanism and the quantitative feeding box, the problem that the fermentation effect of the organic fertilizer is affected due to dosage errors possibly caused by manual quantification is solved; the method comprises the following steps: firstly, extracting a microbial agent from a microbial agent box into a microbial agent feeding box with a one-time feeding amount;

The utility model provides a food production conveying line which is used for conveying bottles to be filled and comprises a supporting frame, a driving mechanism arranged on the supporting frame, a first annular conveying belt, a second annular conveying belt and a third annular conveying belt, the guide assemblies are arranged on the two sides of the first annular conveying belt and the second annular conveying belt; the first annular conveying belt, the second annular conveying belt and the third annular conveying belt are synchronously driven by the driving mechanism; the input end of the second annular conveying belt, the tail end of the first annular conveying belt in the conveying direction and the third annular conveying belt are adjacent and arranged in parallel to form a buffer area. The third annular conveying belt is located between the first annular conveying belt and the second annular conveying belt, and filling equipment is arranged at the output end of the second annular conveying belt.

The present invention relates to a siRNA targeting glioblastoma and its application, belonging to the field of biotechnology. The present invention provides a siRNA targeting glioblastoma, the antisense strand of the siRNA can specifically bind to the target nucleic acid to trigger the degradation of the target nucleic acid, wherein the target nucleic acid includes the pathogenic gene of glioblastoma, and the pathogenic gene of glioblastoma includes the gene encoding ribonucleotide reductase subunit M2 and / or the gene encoding heat shock protein 47. Studies have shown that the gene encoding ribonucleotide reductase subunit M2 and the gene encoding heat shock protein 47 are significantly correlated with the survival of glioblastoma patients. These two genes can be used as therapeutic targets for glioblastoma, and siRNA that can effectively knock down the expression of these two genes in glioblastoma patients has great application prospects in the preparation of drugs for preventing and / or treating glioblastoma.

The utility model relates to an auxiliary conveying device of a CTP plate making machine for packaging box production, in particular to the technical field of printing equipment. The CTP plate conveying device comprises a plate drying machine, a plate punching machine, a transfer frame, a conveying piece, a fixing plate, a screw rod, a handle, a sleeve, a connecting plate, limiting assemblies, an inflator and an inflation pipe, the handle is rotated according to the width of a CTP plate to adjust the screw rod, and then the distance between the two limiting assemblies on the two sides of the transfer frame is adjusted to adapt to the width of the CTP plate needing to be conveyed. The inflating machine is started to inflate the air bag, on one hand, the CTP plate can be effectively limited, deviation of the CTP plate is prevented, and the CTP plate is accurately conveyed to the needed position; and on the other hand, the CTP plate can be prevented from being damaged by limiting through the air bag.

The three-cavity jejunum nutrient canal comprises a pressure reduction cavity, and a gastral cavity and an intestinal cavity are formed in the pressure reduction cavity; a micro pump is arranged on the inner wall of the decompression cavity; a pressure-sensitive element patch is arranged at the end of the pressure reduction cavity, a negative pressure suction device is arranged at the end, away from the pressure-sensitive element patch, of the pressure reduction cavity, and the pressure-sensitive element patch is electrically connected with the negative pressure suction device. The ends, close to the negative pressure suction device, of the gastral cavity and the enteric cavity penetrate through the outer wall of the decompression cavity; the end, close to the negative pressure suction device, of the gastral cavity is provided with a medicine conveying connector, and the end, close to the negative pressure suction device, of the enteric cavity is provided with a nutrient solution conveying port. The negative pressure suction device comprises a one-way connector connected with the end of the decompression cavity, a liquid collecting bag is arranged at the end, away from the decompression cavity, of the one-way connector, and a negative pressure pump is arranged at the end, away from the one-way connector, of the liquid collecting bag. According to the three-cavity jejunum nutrition tube, pressure reduction, medicine conveying and nutrient solution supply are synchronously carried out, and the treatment efficiency and the living quality of a patient are greatly improved.

The invention relates to the technical field of air conditioner condensate water grading utilization, in particular to laboratory air conditioner condensate water grading utilization equipment which comprises a water storage tank and a detection assembly used for obtaining water quality information. The grading assembly is used for determining the water quality grade of the air conditioner condensate water and sending a grading instruction; the water conveying assembly is used for conveying the air conditioner condensate water stored in the water storage tank to the corresponding water storage tank; the water storage assembly is used for storing the air conditioner condensate water of the corresponding water quality grade; the conversion assembly is used for converting the air conditioner condensate water stored in the first water storage tank and the second water storage tank; according to the invention, intelligent management of links of collection, detection, grading, storage, conversion, utilization and the like of the condensate water is realized, the efficiency and the accuracy of air conditioner condensate water treatment are improved, and the suitability and the availability of secondary utilization of the air conditioner condensate water in a laboratory environment with strict water quality requirements are greatly expanded.

The invention relates to the technical field of electric tools, and discloses an angle grinder shell and a metal profile assembling assembly and method thereof. The angle grinder shell comprises a machine body, a base arranged on the lower side of the machine body, and a grip strength auxiliary device detachably connected with the base. And the grip strength auxiliary device comprises an auxiliary belt, a grooved rail, a connecting buckle seat and a locking buckle, so that the operation comfort and safety are improved. The metal profile assembling assembly comprises a feeding mechanism, a final assembly guide rail, a retarding mechanism and a continuous linear propelling mechanism. The feeding mechanism is used for guiding the metal profile into an assembly process; the final assembly guide rail accurately guides section bar assembly; the retarding mechanism controls discharging of the sectional materials. And the continuous linear propelling mechanism is used for pushing the profile and sleeving the profile into the shell. The assembling method comprises the steps that the sectional materials are loaded into the feeding mechanism; the cylinder is started to push the whole mechanism; the long toothed belt drives the push block to push the profile; pushing is paused, and the profile is cut; the push block is pushed out of the guide rail and falls into the receiving hopper; and each component is reset. High automation of angle grinder shell production is achieved.

The present invention belongs to the field of biomedicine technology, and specifically relates to the construction of an engineered erythrocyte extracellular vesicle drug delivery system and its application in leukemia. The present invention first provides a composite immunomodulator targeting leukemia cells, which is composed of a drug delivery system prepared from erythrocyte extracellular vesicles and contents; the drug delivery system includes erythrocyte extracellular vesicles and a targeting component connected thereto; the contents are small molecule drugs and small interfering RNA synergists. The composite immunomodulator has a composite effect of inducing immunogenic cell death and immune activation of leukemia cells.

The utility model discloses a production mould of motor shell, including forming mechanism, cooling water adjusting mechanism and adjusting auxiliary mechanism, the forming mechanism includes upper module and bottom module, the cooling water adjusting mechanism includes adjusting pipe and rotating sleeve, the adjusting auxiliary mechanism includes outer tooth ring and damping ring, and the forming mechanism realizes the accurate forming of motor shell through the cooperation of upper module, bottom module, forming block and forming groove, and the design of injection moulding hole through forming block ensures that injection moulding material fills evenly, optimizes injection moulding path, reduces bubble and defect formation, and the combination design of adjusting pipe and rotating sleeve is adopted to cooling water adjusting mechanism, realizes the accurate control to cooling water flow, and the cooperation structure of spin -in block and plugging board can change the flow area of adjusting pipe to adjust the cooling rate, and spin -in block provides constant pressure, ensures that the adjusting system is stable and reliable.

The utility model relates to radish processing technical field discloses a kind of slicing device for radish pickling, including discharging bin, the inner wall of discharging bin is fixedly connected with support plate, the support plate is provided with two, two The transmission connection of the end of the mutual approach of support plate has pivot, the surface transmission connection of pivot has feeding belt, the surface fixed connection of feeding belt has feeding plate, the feeding plate is provided with several, two The right end fixed connection of support plate has baffle one, the baffle one is provided with two.The utility model passes through the radish is placed into discharging bin, radish falls on feeding belt by the clearance between support plate. Feeding belt is obliquely placed on support frame surface, this design not only improves feeding efficiency, but also can ensure that radish does not slip in conveying process, external motor drives feeding belt movement by pivot, feeding plate is conveyed to slicing area from discharging bin with radish. Baffle one and baffle two ensure that radish does not fall in conveying process.

This invention relates to the field of membrane separation process control technology, and provides a full-membrane method for concentrating and purifying iron phosphate by makeup water reuse regulation. The system includes a white material tank, a pre-concentration and washing unit, an intermediate white material storage tank, a washing and concentration unit, and a purified white material storage tank connected in sequence. It also includes a white material analysis module that uses solid content uniformity as a prerequisite check combined with conductivity distribution characteristics to determine the membrane inlet status into four types: normal material inlet, abnormal material flow, localized abnormal mixing, or overall high salt load. A membrane segment evaluation module assesses the effectiveness of makeup water using both desalination release degree and filtration impedance as dual indicators. Based on this, a tiered decision-making module determines the average makeup water strategy for the entire membrane segment or localized makeup water strategies and allocates makeup water to different membrane segments based on effectiveness. This system, through the coordinated control of accurate membrane inlet status identification and quantitative assessment of makeup water effectiveness, significantly reduces energy waste and concentration load caused by ineffective makeup water.

The invention relates to the technical field of water pressure mapping, in particular to a water pressure mapping method and analysis method based on slice grids and structural grids, and the water pressure mapping method comprises the following steps: obtaining a three-dimensional model, slicing the three-dimensional model to obtain a plurality of slice units, and performing grid division on each slice unit; calculating the speed potential of the grid center of each slice unit based on a source sink method, and calculating the pressure data of the grid center of each slice unit according to the speed potential; performing mesh division on the three-dimensional model to obtain a finite element model, acquiring coordinates of a mesh center of each slice unit and coordinates of a mesh center of the finite element model, and interpolating and mapping pressure data of the mesh center of each slice unit to the mesh center of the finite element model by using a radial basis function, and obtaining pressure data of the grid center of the finite element model. According to the method, the accurate transmission of the hydrodynamic grid pressure data to the structural grid is realized, and powerful data support is provided for subsequent fluid-structure interaction analysis.

The invention belongs to the technical field of rock treatment, and particularly relates to rock material treatment equipment which comprises a smashing system, a grinding system, a conveying system, a screening system and a cleaning system. The main function of the crushing system is to preliminarily crush large rocks, so that subsequent grinding and treatment are facilitated. And the grinding system is used for carrying out secondary grinding on the primarily crushed rock through a high-pressure roller mill. And the conveying system is used for conveying the preliminarily crushed rock particles from the crushing system to the grinding system. And the screening system is used for grading the crushed and ground rock particles according to different particle sizes, so that only the particles meeting the specification enter a finished product area. The cleaning system is used for treating dust generated in the smashing and grinding process, and the dust is prevented from overflowing to pollute the environment. Compared with the prior art, through multi-stage crushing and grinding, large rock materials can be gradually crushed into particles conforming to specifications, and powder generated by crushing and grinding can be effectively cleaned.

The utility model discloses a facial cream packaging machine with accurate metering, which belongs to the technical field of cosmetic production and comprises an equipment main body, a flow regulation and control module for regulating the dosage of cream filling and a packaging module for processing cream packaging are mounted on the equipment main body, the packaging module is mounted at the lower end of the equipment main body, and the flow regulation and control module is connected with the equipment main body. The flow regulation and control module comprises a conveying assembly used for conveying paste and an adjusting assembly used for adjusting the conveying flow, the conveying assembly is connected with the adjusting assembly, and the adjusting assembly is connected with the equipment body. By means of the mode, the paste filling amount can be accurately adjusted, paste can be properly packaged, the product packaging effect is guaranteed, the flow adjusting and controlling module is stable and reliable, and the production efficiency and the product quality can be improved.

The invention relates to the field of orthopedics, in particular to a bone-targeted ALD / NO twin drug, and provides a compound with a structure shown in a formula I or pharmaceutically acceptable salt of the compound. The compound or the pharmaceutically acceptable salt thereof can improve osteoblast activity and promote calcium deposition without generating an inhibiting effect on the function of osteoclast, the compound has great significance on regeneration and repair of damaged bone tissue, accurate delivery of NO gas molecules in local tissue at the implant-bone tissue surface interface is achieved, and the compound has a good application prospect. Wide application prospects are realized.

The utility model relates to the technical field of purification column passing equipment, and discloses novel OLED (Organic Light Emitting Diode) material purification column passing equipment, which comprises a mounting frame, a sample column is arranged outside the mounting frame, an adjusting assembly is arranged on the mounting frame, the adjusting assembly comprises a motor, and the motor is fixedly arranged on the mounting frame. According to the novel OLED material purification column passing equipment, in order to enable the equipment to meet the rapid purification requirement of multi-batch samples in a laboratory, an adjusting assembly is arranged, the assembly is matched with a motor to drive a cam to rotate, a petal bracket is pushed to rotate around a supporting column through an adjusting column, a disc drives sample columns to rotate synchronously, and column passing stations of different sample columns are conveniently switched; the petal brackets are matched with the connectors, so that when the sample column rotates to a specified position, the butt joint with the conveying pipe can be automatically completed, the accurate conveying of eluent is realized, and the placement holes in the circular plate correspond to the petal brackets one by one, so that the sample column is ensured to be vertically fixed.

The utility model discloses a novel embolism spring ring device which comprises an auxiliary catheter, guide grooves are formed in the two sides of the inner wall of the auxiliary catheter, guide blocks are arranged in the two guide grooves in a sliding mode, an arc-shaped seat is fixedly arranged between the two guide blocks, and a connecting piece is arranged on the inner side of the arc-shaped seat in a clamped mode. According to the novel embolism spring ring device, the structures such as the pushing wire, the connecting block, the arc-shaped seat, the connecting piece and the spring ring are guided into the auxiliary guide pipe, so that the two guide blocks are in sliding connection with the two guide grooves respectively until the two limiting blocks are clamped with the two limiting holes, and then the two guide blocks are limited; and then a pushing wire is pushed, so that two limiting elastic pieces are separated from two limiting grooves, then a connecting block is driven to move, a connecting piece is pushed to move through the connecting block, two connecting clamping columns are separated from two connecting clamping grooves, then the connecting piece is dismounted, and therefore precise conveying of the spring ring is achieved.

The present invention provides an engineered exosome for targeted intervention of mitochondrial gene expression and a preparation method and application thereof, and relates to the field of biomedical technology. The present invention combines exosomes with nucleic acid adsorption elements with mitochondrial targeting function to improve the stability of drug serum; the use of naturally derived exosomes greatly reduces drug toxicity and more effectively exerts therapeutic effects while ensuring safety. The mitochondrial gene intervention system constructed by the present invention is simple to prepare and can achieve precise delivery of mitochondria. As a carrier of gene therapy, it is of great significance.

The utility model discloses a belt type liftable pressure injury free corrugated board conveying device belongs to material conveying technical field, including main box, be provided with the belt conveying subassembly for conveying corrugated board in the main box, and the conveying belt of belt conveying subassembly is upwards through the main box, and is provided with a plurality of small holes on the conveying belt, the side of main box is provided with the air door, and the air door is communicated to set up the suction source of the air suction to the main box outside, belt conveying subassembly still includes the support swing arm, and the eccentric small circle that can be pressed against the support swing arm upper and lower direction height adjustment is rotatably arranged in the main box. The utility model discloses be used to solve the problem of corrugated board in the conveying process height is not suitable for adjusting, is easily pressed out the intaglio, causes the paperboard damage.

This utility model relates to the field of adhesive production technology, and in particular to an automatic adhesive mixing and feeding system. It solves the problems of uneven adhesive coating, inability to automatically dispense materials, insufficient adhesive mixing, inconvenient cleaning, and generally poor portability in existing technologies. The automatic adhesive mixing and feeding system includes a support plate fixedly connected to three adjacent sides of a housing. Two collection bins are installed on the top of the support plates. One end of each collection bin is connected to a collection pipe, and the bottom end of each collection pipe is connected to a dispensing bin. A dispensing shaft is installed inside each of the two dispensing bins, and a stirring mechanism is installed at the bottom of each of the two dispensing pipes. This utility model can uniformly spray adhesive, is easy to clean, uses individual dispensing, allows for adjustable dispensing ratios, achieves automatic dispensing, thoroughly mixes the adhesive, and is easy to move to different construction sites.

The invention is suitable for the technical field of car key processing, and provides car key shell butt-assembling equipment which comprises an operation table, and a first butt-assembling assembly and a second butt-assembling assembly are arranged on the operation table; the first butt-assembling assembly comprises a butt-assembling base rotating in the middle of the upper surface of the operation table, and the upper surface of the butt-assembling base is sunken downwards to form a plurality of containing cavities used for butt-assembling of shells. Limiting pieces are arranged in the multiple containing cavities. Through tight cooperation of the first butt-assembling assembly and the second butt-assembling assembly, whole-process automation from conveying, grabbing, placing to butt-assembling is achieved, the production efficiency is remarkably improved, the labor intensity is lowered, and the consistency and the overall quality of products are improved; by means of the design of the containing cavity and the limiting piece on the butt-assembling base, accurate positioning and stable clamping of the car key shell in the butt-assembling process are guaranteed, the butt-assembling accuracy is improved, shaking or dislocation is prevented, and therefore the stability and reliability of products are guaranteed.

The present invention discloses an extended tube feeding mechanism, including a feeding mechanism, a positioning and lifting mechanism, a feeding mechanism, a rotating mechanism and a needle guide mechanism, wherein the feeding mechanism includes a feeding frame, a feeding and straightening translation cylinder, a feeding and straightening guide clamp, a feeding transfer clamp, a flap, a rotating shaft and a flip translation cylinder, wherein the positioning and lifting mechanism includes a lifting cylinder, a lifting frame, a first guide pin, a positioning frame and a siliconized clamp, wherein the feeding mechanism includes a feeding seat, a first linear guide rail, a feeding and straightening cylinder, a feeding and moving plate, a servo linear module, a feeding and feeding seat and a feeding and feeding clamp, wherein the needle guide mechanism includes a needle guide seat, a second linear guide rail, a needle guide translation cylinder, a needle translation seat and a needle guide clamp. The present invention has a simple structure, adopts automatic control and conveying, effectively realizes the precise conveying of the extended tube, has a fast and stable feeding and assembly function, effectively saves human resources and improves production capacity.

The utility model discloses a powder feeding device of additive manufacturing equipment, which comprises a feeding box body and a storage tank, the storage tank is positioned at the top end of the left side of the feeding box body and is communicated with the feeding box body, the right side of the feeding box body is communicated with a first feeding pipe, the other end of the first feeding pipe is communicated with a powder flow meter, and the powder flow meter is communicated with a second feeding pipe. A spiral blade is rotationally arranged between the inner walls of the left side and the right side of the feeding box body, a driving motor for driving the spiral blade is fixedly arranged on the outer wall of the left side of the feeding box body, and a motor controller electrically connected with the driving motor is arranged on the outer wall of the front side of the feeding box body. Compared with the prior art, the metal powder conveying device has the advantages that metal powder can be rapidly and evenly conveyed through the rotating motion of the spiral blades, and the printing efficiency is improved while the printing quality is improved; by controlling the rotating speed and direction of the spiral blade and matching with the powder flow meter, accurate conveying of the metal powder can be achieved, and waste of the metal powder is reduced.