163results about How to "Reduce mechanical damage" patented technology

The embodiment of the invention relates to the field of photovoltaic technology, and provides a solar cell and a preparation method thereof, so as to improve the photoelectric conversion efficiency of the solar cell comprising a fragmented cell, greatly reduce the mechanical damage of the fragmented cell, greatly reduce the hidden crack possibility of a photovoltaic module comprising the fragmented cell, and improve the production efficiency of the photovoltaic module. And the product yield is further improved. The preparation method of the solar cell comprises the following steps: providing a whole solar cell; a first laser device is adopted to form positioning grooves in the two ends of the to-be-segmented area respectively; a second laser device is adopted to heat the to-be-segmented area from the positioning groove until the other positioning groove is finished; spraying cooling liquid to the heated to-be-segmented area by adopting a spraying device, so that the whole solar cell is cracked in the to-be-segmented area along the first direction to form at least two segmented cells; the cooling liquid comprises oxidizing substances, and the cross section is a surface hydroxylated silicon surface; and forming a passivation layer on the fracture surface.

The invention discloses a suspension conveying mechanism for urea solution raw material preparation, which comprises a support and a urea bag, and further comprises a straight track and a bent track, the straight track and the bent track are both arranged on the support, a plurality of pulleys are rotatably mounted on the straight track, the plurality of pulleys are also rotatably arranged in the bent track, and the urea bag is arranged on the support. A connecting shaft is rotationally mounted between every two pulleys, and a connecting frame is fixedly mounted between the two connecting shafts; and the connecting block is connected with the connecting frame through a stabilizing structure. According to the invention, by stabilizing and balancing urea in straight-way suspension conveying and curve-way suspension conveying, mechanical damage caused by centrifugal force generated in the urea gravity pulling and conveying process is reduced, and meanwhile, according to the weight change of the urea, the flow velocity during urea preparation is synchronously adjusted, so that the urea preparation efficiency is improved. The pouring-out speed is balanced, the pouring-out height is adjusted, and the stability and the preparation efficiency during urea preparation and conveying are improved.

The invention provides a breast milk source exosome as well as a preparation method and application thereof. The preparation method of the breast milk source exosome comprises the following steps: pre-treating breast milk, and then carrying out primary purification concentration and fine purification on the breast milk source exosome after the pre-treatment; wherein the pretreatment comprises the step of mixing degreased breast milk with a sodium phosphate solution; the primary purification concentration comprises tangential flow ultrafiltration treatment; the fine purification comprises purification treatment by adopting a multi-mode chromatography. The invention provides a large-scale purification process of the breast milk exosome, which can be used for treating a large number of samples, improving the purity and yield of the breast milk exosome and ensuring the morphological integrity of the breast milk exosome.

The invention discloses a shed frame type orchard kiwi fruit picking device and a picking method. The device comprises a walking mechanism; the picking mechanism is installed on the frame of the walking mechanism through a lifting mechanism and comprises a support, a driving component, a transmission shaft, picking discs and shifting fingers, the support is installed at the top end of the lifting mechanism, the driving component is installed on the support and connected with the transmission shaft, the picking discs are installed on the transmission shaft in a staggered mode, and an included angle is formed between every two adjacent picking discs; the gaps between the adjacent picking discs are periodically expanded and contracted; the shifting fingers are connected with the driving part, are arranged corresponding to the picking disc and are mounted on the bracket through a supporting shaft; the detection mechanism is used for detecting the density and height distribution of the fruits to be picked in real time to obtain detection information; and the controller is connected with the walking mechanism, the picking mechanism and the detection mechanism, dynamically plans an optimal picking path and an optimal picking sequence according to the detection information, and adjusts picking operation parameters and picking postures in real time. The invention further provides a shed frame type orchard kiwi fruit picking method.

The invention provides a point coating online coverage rate testing method and system, and belongs to the field of battery diaphragm preparation, the method comprises the following steps: in response to an external trigger signal, target information and a first distance are obtained, the target information comprises image information of a diaphragm, and the first distance is the distance between a plate roller and a back roller of a point coating device; the dispensing coverage rate of the diaphragm is obtained based on the target information, a second distance between a plate roller and a back roller of the dispensing device is obtained based on the dispensing coverage rate of the diaphragm, and the error amount of the first distance relative to the second distance is determined; determining a preset control parameter of the controller based on the instruction information, and inputting the error amount into the controller with the determined control parameter to obtain a corresponding target control amount; and adjusting a first distance between a plate roller and a back roller of the dispensing device based on the target control quantity. The point coating coverage rate can be automatically adjusted, the manual adjustment time is shortened, the safety of the system is improved, and mechanical injuries to personnel are reduced.

The invention provides a rapid genetic transformation method of peanuts, which mainly comprises the following operation steps: disinfecting peanut seeds, stripping stem tips, performing agrobacterium infection, and continuously treating for 1-3 times; placing the explant on a co-culture medium for 2-5 days, transferring the explant to a bud induction screening medium, subculturing for 1-3 times, and then carrying out bud elongation culture and rooting culture. The rapid genetic transformation method of the peanuts, provided by the invention, has important significance on effectively reducing mechanical damage and accelerating genetic transformation, and provides a new thought for further researching the genetic transformation method of the peanuts.

The invention discloses a hedge wall type layered fruit bearing tree shape cultivation method for kumquats, and belongs to the field of fruit tree cultivation. The crown height of a fruit tree shape obtained through the method is 2.2 m, and the width of a hedge wall fruit bearing layer is 0.8-1.2 m; no branch is arranged below 70 cm of the central branch, two branch tips with the length of about 50 cm are arranged on the central branch above 70 cm every 40 cm on average, the branch tips are evenly distributed on the two sides of the central branch and fixed to the iron wires to enable the central branch to grow transversely, five second-level side branches are reserved on each side branch, three third-level side branches are reserved on each second-level side branch, and two fruiting mother branches are reserved on each third-level side branch. The tree shape needs to be managed from seedlings, can be formed in two years, and can have a certain yield in the third year. Through manual topping, bud touching or cutting back, reserved bearing branches can be controlled, and the effect that the expected yield is controllable can be achieved. The bearing branch groups of the tree form are artificially fixed to grow in the direction perpendicular to the side branches, the bearing branch groups are not crossed, mechanical damage is little, picking is convenient, the photosynthetic efficiency is uniform through the layered bearing mode, the fruit quality difference is small, and the fruit commodity rate is high.

The invention relates to the technical field of hybrid welding, in particular to a laser and TIG magnetic control hybrid welding process for a nickel-based alloy pipe production line, which comprises the following steps: pipe manufacturing, preparation, conveying and preheating, welding and cooling, equipment comprises a dust-free welding chamber and a welding pipe, a welding mechanism is arranged in the dust-free welding chamber, and the welding pipe is arranged in the dust-free welding chamber. The welding mechanism comprises a high-frequency pulse TIG welding gun and a laser transmitter, a magnetic field mechanism is arranged in the high-frequency pulse TIG welding gun, and a tungsten electrode end is arranged at the end, away from the adjusting frame, of the high-frequency pulse TIG welding gun. The method has the advantages that optical fiber laser welding is combined with the high-frequency pulse TIG arc and external alternating magnetic field technology, the welding speed is remarkably increased, rapid heating is achieved through optical fiber laser welding, the stirring and mixing effects of a molten pool are enhanced through adding of the high-frequency pulse TIG arc and the alternating magnetic field, the alternating magnetic field stirs the interior of the molten pool, grains are refined, and the overall performance of a welding seam is improved; therefore, thermal stress and deformation of weld metal are reduced, and welding efficiency and quality are improved.

A wafer gold tearing machine comprises a supporting platform; the carrying table is fixed on the surface of the supporting platform, the surface of the carrying table comprises at least one wafer fixing area, and the wafer fixing area is used for fixing a wafer; the film pressing mechanism comprises a roller shaft arranged in parallel to a first direction, the roller shaft can rotate around the axial direction and reciprocate in a second direction, the first direction and the second direction are both parallel to the surface of the carrying table, and a preset included angle is formed between the first direction and the second direction; and the roll shaft is used for rolling an adhesive film laid on the surface of the wafer, so that the adhesive film is adhered to the surface of the wafer, and the gold tearing quality is improved.

The invention provides a seawater uranium extraction material elution and regeneration device, which comprises an elution and regeneration tank, an eluent collection flow path and a regeneration liquid collection flow path, the elution and regeneration tank is internally provided with at least two spacer regions, the adjacent spacer regions are communicated with each other, and fiber materials after uranium adsorption are separately placed in the spacer regions at intervals; the inlet end and the outlet end of the eluent collecting flow path are respectively connected with the elution regeneration tank, and at least two parallel eluent collecting tanks are arranged on the eluent collecting flow path so as to collect eluents with different concentrations flowing through the spacer region; the inlet end and the outlet end of the regenerated liquid collecting flow path are respectively connected with the elution regeneration tank, at least two regenerated liquid collecting tanks which are connected in parallel are arranged on the regenerated liquid collecting flow path, and the regenerated liquid collecting tanks are used for collecting regenerated liquid which flows through the spacer region and has different concentrations, so that the regenerated liquid is treated and discharged or returned to the elution regeneration tank for recycling. The seawater uranium extraction material elution and regeneration device can reduce the discharge of eluent and regeneration liquid, and improves the environmental friendliness.

The invention discloses a two-dimensional field effect transistor with high-temperature thermal stability and a preparation method thereof, and mainly solves the problem that a two-dimensional material in an existing two-dimensional field effect transistor can be oxidized and decomposed at high temperature. The device comprises a substrate (1), an insulation packaging protection bottom layer (2), a two-dimensional material film layer (3), an insulation packaging protection top layer (6) and a gate electrode (7) from bottom to top, a source electrode (4) and a drain electrode (5) are arranged at the two ends of the film layer (3), and the packaging protection bottom layer and the packaging protection top layer both adopt any one or combination of more of aluminum nitride, hexagonal boron nitride or silicon nitride. Oxygen molecules in the air are prevented from diffusing to the two-dimensional material film layer for reaction at high temperature, so that the two-dimensional material film layer plays a role in high-temperature protection; the two-dimensional material film layer is made of molybdenum disulfide or tungsten disulfide or tungsten diselenide. The high temperature resistance of the two-dimensional field effect transistor is improved, oxygenolysis of the two-dimensional material at high temperature is avoided, and the two-dimensional field effect transistor can be used for aerospace, deep well drilling or other high-temperature environments.

The invention provides a polycrystalline diamond chemical mechanical polishing method based on two-step zeta potential regulation and control, and relates to the field of ultrahard material ultra-precision machining, the method comprises the steps of mechanical polishing, zeta potential regulation and control rough polishing in chemical mechanical polishing, zeta potential regulation and control fine polishing in chemical mechanical polishing, and cleaning, and finally the polycrystalline diamond with the low-damage and high-quality surface is obtained. By regulating and controlling the zeta potential of the polishing solution in the fine polishing and rough polishing processes, the mechanical damage of the abrasive material in the polishing solution to the polycrystalline diamond can be reduced, and the surface quality of the polished polycrystalline diamond can be improved, so that low-damage and high-quality machining of the polycrystalline diamond is realized.

The invention provides a peripheral blood mononuclear cell cryopreservation solution, a preparation method and application of the peripheral blood mononuclear cell cryopreservation solution and a peripheral blood mononuclear cell cryopreservation method, and relates to the technical field of cells. The peripheral blood mononuclear cell cryopreservation liquid comprises the following components: a permeable protective agent, a non-permeable protective agent, human serum albumin, a 1640 basal culture medium, glutathione, autologous plasma, vitamin C and heparin sodium, wherein the autologous plasma is plasma of the peripheral blood mononuclear cells. According to the technical scheme, the permeable protective agent and the non-permeable protective agent are combined, and meanwhile, the human serum albumin, the 1640 basic culture medium, the heparin sodium, the glutathione, the autologous plasma and the vitamin C are added, so that a metabolic environment in the cell cryopreservation process is provided, and the motility rate and the proliferation activity of the recovered cells are ensured.

The invention discloses a foreign matter detection device, a control method and a circulating fan. The device comprises a strong magnetic sheet which is fixedly arranged on a blade of the circulating fan; the induction coil is arranged on the edge of a fan face cover of the circulating fan; the micro-current sensor is connected with the induction coil and is used for collecting induction current generated in the induction coil; and the main control chip is connected with the micro-current sensor and is used for determining whether a foreign matter enters the circulating fan or not according to the induction current generated in the induction coil and collected by the micro-current sensor, and controlling a motor of the circulating fan to stop rotating when determining that the foreign matter enters the circulating fan. By means of the circulating fan, the problem that when foreign matter enters the circulating fan, the motor is damaged or surrounding people or objects are injured can be solved, the safety and stability of the circulating fan can be improved, the service life of the circulating fan can be prolonged, noise caused by the foreign matter can be avoided, and the user experience is improved.

An apple picking robot based on a rope-driven actuator relates to the technical field of agricultural picking equipment and comprises a picking assembly and a collecting assembly which are arranged on a base. The picking assembly comprises a mechanical arm and a rope-driven actuator, the rope-driven actuator comprises a connecting base, a mechanical claw, a restraining plate, a first restoring spring and a first driving rope, the mechanical claw comprises three grabbing fingers, one ends of the grabbing fingers are rotationally connected with the connecting base, the other ends of the grabbing fingers are used for grabbing fruits, arc-shaped parts are arranged in the middles of the grabbing fingers, and restraining holes are formed in the restraining plate; the restraining holes are matched with the arc-shaped parts in a one-to-one correspondence mode, the first restoring spring is arranged between the connecting base and the restraining plate, and one end of the first driving rope is connected with the restraining plate. The collecting assembly comprises a following collecting device and a position adjusting device. By applying the automatic apple picking machine, the problems that manual apple picking is high in cost, low in efficiency, high in time consumption and prone to damaging apples, and existing automatic picking equipment is heavy in structure, poor in flexibility, low in synergism, prone to damaging the apples, poor in adaptability to complex orchard environments and the like can be solved.

The utility model discloses a kind of peanut seeding devices for agricultural machinery, including carrier structure, which is dragged forward by agricultural machinery, ditching device, the ditching device is installed at the bottom of the carrier structure, and the ditching device is provided with more than one, seeding mechanism, the seeding mechanism is installed by the carrier structure, the seeding mechanism corresponds to the ditching device, and the seeding mechanism spreads seeds into planting groove opened by the ditching device;Soil covering mechanism, the soil covering mechanism is installed by the carrier structure, and the soil covering mechanism re-enters planting groove into soil that ditching device pushes away;The device advances in the form of dragging, and high-efficiency seeding can be realized.

The utility model discloses a feed production hopper relates to the field of feed production, including the hopper shell that is wide to narrow from the upper, the hopper shell upper port installs the preliminary filtration subassembly, the hopper shell lower port installs the unloading anti -blocking subassembly, the preliminary filtration subassembly with the unloading anti -blocking subassembly between installation has reciprocating conveying subassembly, and the feed granule is filtered to the hopper shell in the preliminary filtration subassembly, and the feed granule is reciprocating pushed in the unloading anti -blocking subassembly to the feed granule of the hopper shell's unloading port place in this process, can effectively avoid the feed granule to be accumulated and be jammed at the unloading port of hopper shell, and can also reduce the mechanical damage to the feed granule by virtue of the non - rigid reciprocating pushing mode, compared with the traditional rotation stirring can keep the original integrality and granularity uniformity of feed granule, reduce the fine powder production amount and the secondary problem caused thereby.

The application discloses a BIPV color steel tile assembly and a building. The BIPV color steel tile assembly comprises a color steel tile back plate, a battery piece accommodating groove and a wire accommodating groove communicated with the two battery piece accommodating grooves are arranged on the color steel tile back plate; a BC battery piece, the back surface of the BC battery piece is attached to the groove bottom of the battery piece accommodating groove; a wire, the wire is located in the wire accommodating groove, is connected between the anode and the cathode of adjacent two BC battery pieces, and the color steel tile back plate, the BC battery piece and the wire constitute a BIPV assembly; a front plate glass is arranged on the side of the BIPV assembly close to the battery piece; and a plastic film is arranged between the BIPV assembly and the front plate glass. The application adopts the BC battery piece, and the battery piece accommodating groove and the wire accommodating groove are arranged on the color steel tile back plate, so that the packaging of the BIPV color steel tile assembly can be realized by using a single layer of plastic film, the cost is reduced, the BC battery piece can be better protected, and the mechanical damage of the battery piece is reduced.

The fruit and vegetable cleaning device comprises a liquid storage assembly, a liquid conveying channel and a cleaning assembly which are sequentially communicated in the liquid flowing direction, a liquid storage box of the liquid storage assembly is divided into a clear water storage cavity and a color protection liquid storage cavity which are adjacently arranged by a partition plate, and the clear water storage cavity and the color protection liquid storage cavity are highly integrated in structure. The liquid conveying channel comprises a first liquid conveying pipe, a second liquid conveying pipe, a third liquid conveying pipe and a three-way valve which communicate with one another, the other end of the first liquid conveying pipe communicates with the clear water storage cavity, the other end of the second liquid conveying pipe communicates with the color protection liquid storage cavity, and the other end of the third liquid conveying pipe communicates with a cleaning tank of the cleaning assembly. Clean water and color protection liquid can be input into a cleaning tank of the cleaning assembly by adjusting the three-way valve, the cleaning tank has the functions of cleaning fruits and vegetables and protecting colors, and a filter screen capable of ascending and descending in the height direction of the cleaning tank is further arranged in the cleaning tank. And the overall occupied space is small.

The utility model provides a kind of seed dressing device before peanut sowing, belong to peanut sowing technical field. Including seed dressing jar body, the periphery of seed dressing jar body is fixed with fixed frame, and the upper side of seed dressing jar body is provided with feed inlet, the side of fixed frame is fixed with extension frame, and the inside and outside of extension frame upper side and seed dressing jar body are jointly installed with even sprinkling irrigation mechanism. The utility model is by being provided with even sprinkling irrigation mechanism, personnel can pour peanut seed from feed inlet into seed dressing jar body in advance during operation, then personnel will need to mix seed dressing agent with a variety of raw materials and other liquids etc. in turn from feeding pipe into mixing cylinder, then start first motor to make first driving rod with periphery staggered distribution set of stirring rod to mix the above-mentioned variety of materials, after mixing and stirring are finished, personnel can start conveying pump body, and can be conveyed to sprinkling irrigation ring pipe frame and be sprayed by thus inside ring distribution set of sprinkling irrigation head under the guidance of first pipeline, second pipeline etc. component with seed dressing agent.

This utility model relates to the technical field of deep-root solid fertilizer application devices for roadside trees, and in particular to a deep-root solid fertilizer application device for roadside trees, comprising a controller, a device housing, a solid fertilizer storage bin, a ditching and mixing mechanism, and a backfilling and compaction mechanism; the controller is electrically connected to the solid fertilizer storage bin, the ditching and mixing mechanism, and the backfilling and compaction mechanism; the device housing contains a solid fertilizer storage bin, a ditching and mixing mechanism at the bottom, backfilling and compaction mechanisms on the front and rear sides, and a push rod on the left side; the controller is mounted on the push rod; the solid fertilizer storage bin is connected to the ditching and mixing mechanism, which includes a guide hole drilling component and a fertilizer discharge component. This utility model, taking into account the small size of roadside tree pits, the need for on-site hardening, and the high density of the soil, meets the practical needs of simple on-site operation, time and labor saving, and low investment, achieving the effects of precise fertilization, deep fertilization, automated backfilling and compaction, and modular and convenient operation.

The invention relates to the technical field of water valves, in particular to printing and dyeing pretreatment equipment of a printing and dyeing mangle mangle, which comprises a liquid storage tank, four rolling shafts, a water inlet, a water outlet and a water outlet, the front end and the rear end of the liquid storage tank are respectively provided with an inlet and an outlet, and the four rolling shafts are rotationally connected to the liquid storage tank in a pairwise up-and-down symmetrical manner, and when a gray fabric penetrates through and abuts against the rolling shafts, the section of the gray fabric is basin-shaped; the pump body is installed in the liquid storage tank, a water outlet of the pump body is connected with a water spraying pipeline, the bottom of the water spraying pipeline faces the gray fabric, a water inlet of the pump body is connected with a water suction pipeline, and the bottom of the water suction pipeline faces the gray fabric; the liquid adding opening is formed in the top of the liquid storage tank, is communicated with the liquid storage tank and is positioned above the inlet of the liquid storage tank; the liquid outlet is formed in the bottom of the liquid storage tank, is communicated with the liquid storage tank and is positioned below an outlet of the liquid storage tank, so that the liquid circulation and permeation efficiency is optimized, and the effect of absorbing and removing the residual alkaline solution on the grey cloth after the grey cloth is pretreated is integrated.

The invention provides composite cementing material building floor sound insulation mortar and a preparation method thereof, and belongs to the technical field of novel building materials. Aiming at strong-alkalinity, high-humidity and intermittent impact coupling special environments such as hospitals and the like, a geopolymer precursor composed of metakaolin and blast furnace slag micro powder and an alkaline activator are introduced and interwoven with a cement hydration product to form an alkali-corrosion-resistant composite gel matrix; meanwhile, the composite corrosion inhibitor with the pH response release characteristic is adopted, and corrosion inhibition components are released during strong alkaline invasion to form a composite protective film; and regenerated elastic particles subjected to surface silanization treatment are selected as a damping filler. Under the synergistic effect of the three components, the mutually aggravated failure cycle of chemical erosion and mechanical impact is interrupted, so that the long-term sound insulation stability, mechanical durability and corrosion resistance of the sound insulation mortar in a severe environment are remarkably improved.

The application relates to the fields of gene therapy and neuroscientific experimental technology, and particularly relates to a mobile injection device for non-human primate brain area AAV injection, which comprises a ring, a mounting frame rotatably connected to the top of the ring, a first driving structure installed between the ring and the mounting frame and used for driving the mounting frame to rotate on the ring, a sliding plate slidably connected to one side of the mounting frame and located in the interior of the ring, a second driving structure installed on the mounting frame and used for driving the sliding plate to move up and down, a swing plate assembled at the end of the sliding plate away from the mounting frame, an injection needle installed at the top of the swing plate, a pushing structure installed at the top of the swing plate, and an assembling structure also installed at the top of the swing plate. The injection device is provided with a structure for synchronous injection during the needle withdrawal process, can complete virus delivery of the target brain area through a single needle channel, reduces the number of puncture needle channels, and reduces mechanical damage to the brain tissue.

The invention relates to the technical field of fish meat freezing and fresh-keeping, in particular to refrigerating fluid capable of remarkably improving the fish meat freezing quality. The refrigerating fluid is prepared from the following components in percentage by mass: 10 to 15 percent of ethanol, 1 to 3 percent of chitosan, 1.0 to 2.5 percent of rhizoma polygoni cuspidati extract, 0.05 to 0.15 percent of spearmint extract, 2 to 5 percent of malic acid and the balance of deionized water. The freezing method is dipping freezing, the fish meat is dipped in a pre-cooled freezing liquid and then is subjected to cryopreservation, and the freezing temperature is-18 DEG C to-38 DEG C. The preparation method of the refrigerating fluid comprises the following steps: adding the chitosan into the malic acid and the deionized water, and uniformly stirring to obtain a solution A; sequentially adding ethanol and spearmint extract into the solution A, and stirring; and adding the polygonum cuspidatum extract, stirring and homogenizing. According to the freezing liquid, the freezing rate of fish meat can be remarkably increased, mechanical damage to muscle fibers caused by repeated formation of ice crystals is greatly reduced, the influence of temperature fluctuation on the quality of the fish meat is reduced, and the influence of freezing on the quality of the fish meat is reduced to the maximum extent.

This invention belongs to the field of material surface treatment technology, specifically relating to a wafer polishing slurry, its preparation method, and its application. The wafer polishing slurry comprises abrasives, oxidants, dispersants, surfactants, pH adjusters, and water. The components of the wafer polishing slurry work synergistically, shortening polishing time and improving polishing efficiency when applied to wafer polishing. Furthermore, it significantly improves the surface quality of the polished wafer, markedly reducing scratches and defects, and lowering surface roughness to below 0.15 nm, thus meeting the surface quality requirements of fields such as power electronics and radio frequency devices.

The invention discloses a variable-diameter fruit and vegetable picking end effector based on a three-fold paper folding structure. The variable-diameter fruit and vegetable picking end effector comprises a support, a paper folding grabbing mechanism and a cutting mechanism. The support is used for being connected with the tail end of a mechanical arm. The folded paper grabbing mechanism comprises a Mipu paper folding structure and a picking driving mechanism for driving the upper layer or / and the lower layer of the Mipu paper folding structure to unfold or fold; the three-source paper folding structure comprises multiple groups of three-source paper folding units arranged on the connecting frame, the multiple groups of three-source paper folding units are curled along the central axis, and the head-to-tail adjacent three-source paper folding units are mutually connected to form a cylindrical structure for wrapping fruits and vegetables to be grabbed; by means of the arrangement, the variable-diameter fruit and vegetable picking end effector can achieve lossless grabbing of fruits and vegetables in the fruit and vegetable harvesting process, has the advantages of being light in structure, high in fruit shape adaptability, soft in grabbing and flexible in operation, can be widely applied to automatic picking scenes of various fruits and vegetables, and is better in practicability and universality.

The utility model relates to the technical field of step induction, and disclose a kind of step induction mechanism for mould, including limiting mechanism and induction mechanism, the induction mechanism is located in the inside of limiting mechanism, the limiting mechanism includes fixed base, vertical shaft is rotatably connected in the inside of fixed base.The step induction mechanism for mould, with the advantages such as convenient dismounting, solve in mould production, step induction mechanism is important to control mould opening and closing, guarantee product quality.But existing mechanism has obvious defect: its structure is complex, many parts, rely on professional personnel and a variety of tools fine adjustment when assembling, time-consuming and labor-consuming;Operation is mainly automated, and it cannot meet the demand of artificial flexible adjustment in trial stage, leading to inefficient trial and high cost;When maintaining, a large number of associated parts need to be disassembled for replacing the wearing parts, which is not only troublesome but also easy to damage other components, and the tail material cannot be taken out in time, which often causes the production line to stop, seriously affecting the production progress and efficiency.

The invention relates to the technical field of agricultural intelligent equipment, and discloses an automatic row control device of a tobacco harvesting machine and a control method.The automatic row control device of the tobacco harvesting machine comprises a whole vehicle controller arranged on a crawler-type tobacco harvesting machine and a motor driver used for controlling a crawler motor, and the motor driver is electrically connected with the whole vehicle controller; the angle measuring mechanism comprises an absolute value type encoder and a tobacco stem touch rod, the absolute value type encoder is electrically connected with the vehicle control unit, the tobacco stem touch rod is horizontally arranged, and one end of the tobacco stem touch rod is connected with an output shaft of the absolute value type encoder; when the tobacco harvesting machine deviates from the tobacco plant growth line, the absolute value type encoder feeds back the deflection angle information of the tobacco stem touch rod after the tobacco stem touch rod touches the tobacco stem to the whole vehicle controller in real time, and the whole vehicle controller processes the received deflection angle information and then controls the vehicle body to steer through the motor driver. The automatic row-aligning walking process along tobacco plant growth rows during field operation is achieved, and damage to tobacco leaves is reduced.

The utility model discloses a module station first piece glue checking tool mechanism of blade battery composition, including installation bottom plate, the left and right sides symmetry of installation bottom plate are equipped with fixed plate, the upper common sliding connection of two fixed plates has the horizontal board, the symmetrically equipped with the aperture on horizontal board rear side, the cup holder is connected on horizontal board top, and the cup hole is equipped with cup hole on the cup holder corresponding aperture, and the sensor is connected with cup hole on horizontal board lower surface corresponding aperture, the front baffle, the rear baffle and the front slot photoelectric sensor, rear slot photoelectric sensor are connected with the symmetry of the front and rear sides between two fixed plates on installation bottom plate, and the horizontal board lower surface rear side is connected with the matching baffle of front baffle, rear baffle, and the sensing sheet that matches with the front slot photoelectric sensor, rear slot photoelectric sensor. The utility model can operate outside the equipment operation range, can complete first piece glue receiving work fast, safe, improve the security of glue receiving first piece, reduce the possible of worker mechanical injury.