43results about How to "Unique structure" patented technology

The utility model discloses a power van battery rack which comprises a storage battery support, a plurality of layer racks are arranged on the storage battery support in the vertical direction, and storage battery placing layers are formed on the layer racks. The storage batteries are arranged in each storage battery placement layer to form a single-layer storage battery pack; limiting assemblies are formed on the left side and the right side of the storage battery containing layer correspondingly and used for limiting the left-right position of the single-layer storage battery pack. The front side and the rear side of the storage battery placement layer are respectively provided with a stop lever assembly for limiting the front and rear positions of the single-layer storage battery pack; wherein the gear lever assembly on at least one side is a detachable gear lever, and the detachable gear lever is detachably and fixedly connected with the storage battery bracket; and each storage battery placement layer is also provided with a storage battery batch fixing assembly in a matched manner, so that simultaneous batch fixing of single-layer storage battery packs is realized. According to the utility model, the stacking installation of multiple layers of storage batteries is realized, the space utilization is improved, the simultaneous batch fixation of all the storage batteries on the storage battery placing layer is realized, the structure is simple, and the installation is convenient.

This utility model discloses a conveyor belt under-surface cleaning and wetting device, relating to the field of conveyor belt crack detection technology. It includes a support frame positioned between the upper and lower belts. Lifting components are fixedly installed at both ends of the bottom of the support frame, located on both sides of the conveyor belt. A cleaning component for cleaning the under-surface of the upper belt is located on the front side of the top of the support frame, and a drying component for drying the under-surface of the upper belt is located on the rear side. This conveyor belt under-surface cleaning and wetting device can remove interfering materials such as coal ash beforehand through the cleaning component, avoiding misjudgment of crack features by the detection equipment. The drying process eliminates water residue, preventing water film from interfering with the imaging quality of the optical detection equipment and avoiding the risk of slippage caused by a decrease in the friction coefficient between the belt and the drive roller. While ensuring coal transportation efficiency, it provides a clean and dry detection environment for conveyor belt hazard monitoring, effectively improving the accuracy of crack identification.

The utility model relates to a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stubble cleaning and crushing monomer belongs to agricultural machinery, and the utility model discloses a height and angle adjustable three-dimensional horizontal stub

The invention discloses a telescopic space capsule homestay and a sealing structure thereof, and relates to the technical field of building houses, and the telescopic space capsule homestay comprises a fixed cabin, expansion cabins slidably sleeving the two sides of the fixed cabin, a bidirectional telescopic mechanism, a controller, a storage battery and a flexible photovoltaic panel system. The core is that the two-way telescopic mechanism can drive the two expansion cabins to move oppositely so as to expand the living space, or the two expansion cabins move oppositely to contract so as to minimize the size; a sealing air bag is arranged at an opening of the fixed cabin, a spring air bag communicated with the expansion cabin is arranged on a fixed plate at the bottom of the expansion cabin, and when the floor is unfolded to press the spring air bag, the sealing air bag can be automatically triggered to expand to realize reliable sealing of a joint; meanwhile, the expansion cabin is connected with a rectangular square tube sliding rail structure through pulleys matched with specific sizes, and smooth rolling guiding is achieved on the premise that disengagement prevention is guaranteed. Telescopic deformation, off-grid energy, automatic sealing and optimization guiding are integrated, and the transportation convenience, environment adaptability and living comfort of the space capsule are remarkably improved.

The utility model discloses a burn patient trunk bandaging dressing, which relates to the technical field of medical supplies, and comprises a dressing which is in a humanoid form and is integrally formed by a trunk part, an upper limb part, a lower limb part, a shoulder part, a third bandage and a fourth bandage, the dressing comprises a backing layer, a water absorbing layer, a medicine applying layer and an isolating layer which are sequentially arranged from outside to inside. The upper limb part comprises two first connecting bands. According to the burn patient trunk binding dressing, the gauze, the polyurethane foam sponge, the silver ion alginate, the medical release paper and the like are compounded to form the dressing, the dressing is designed to be in a humanoid form, and quick fixing devices such as magic tapes are arranged; the bandaging dressing solves the problems of pain and difficulty in bandaging wound surfaces at joints of upper limbs and a trunk, joints of lower limbs and the trunk, shoulders and buttocks, so that wound surface bandaging of a large-area burn patient is integrally formed, and medical staff can complete treatment of the wound surfaces of the burn patient within a short time.

The invention provides a wurtzite boron nitride / diamond composite material and a preparation method and application thereof, the composite material is composed of two phases of wurtzite boron nitride and diamond, and has a stacked sandwich microstructure, the sandwich microstructure comprises at least one first wurtzite boron nitride layer and at least one second wurtzite boron nitride layer, wherein the first wurtzite boron nitride layer is formed by wurtzite boron nitride; at least one second wurtzite boron nitride layer composed of wurtzite boron nitride; the composite material comprises a first wurtzite boron nitride layer, a second wurtzite boron nitride layer and a diamond layer, the diamond layer is arranged between the first wurtzite boron nitride layer and the second wurtzite boron nitride layer and is made of diamond, wurtzite boron nitride is a metastable phase stably existing under normal pressure, and the Vickers hardness of the composite material is larger than 50 GPa. The novel wurtzite boron nitride / diamond composite material disclosed by the invention has high hardness, high toughness and high thermal stability, and the preparation method disclosed by the invention is low in initial raw material price and simple in preparation process.

This utility model discloses an AGV forklift anti-collision device, relating to the field of transportation equipment technology. It includes a buffer device installed on the AGV forklift, comprising a buffer assembly I, a buffer assembly II, and a limiting assembly. The AGV forklift includes a forklift body and forks, with a mounting cavity III at the end of the forks. The buffer assembly I includes a sliding plate II slidably installed within the mounting cavity III. A spring II and a pressure sensor II are located on the side of the sliding plate II closest to the forklift body, and a connecting plate is fixedly installed on the other side of the sliding plate II. This AGV forklift anti-collision device effectively absorbs and buffers impact forces, reducing the impact on the forklift and goods, and lowering the risk of equipment damage and cargo loss. Furthermore, after the pressure sensor detects an impact signal, it automatically triggers the control system, causing the electromagnet to actuate and the limiting plate to lift, effectively preventing goods from falling during impact, avoiding secondary accidents, and protecting personnel and equipment safety.

The application provides a self-supporting Ni-Fe-Mn oxygen evolution electrocatalyst and a preparation method thereof, and belongs to the technical field of catalytic material preparation. The Ni, Fe and Mn metal raw materials are repeatedly smelted, and after smelting, suction casting is carried out to obtain a cast plate. The cast plate is subjected to homogenization treatment, and then is cut and polished. Finally, etching is carried out in a nitric acid solution to obtain the self-supporting Ni-Fe-Mn oxygen evolution electrocatalyst. The self-supporting electrocatalyst is prepared by the method of arc smelting, heat treatment and chemical etching, and has the advantages of simple preparation process, easy industrialization, adjustable size, excellent stability and excellent OER performance.

The utility model discloses an insole stamping die, and relates to the technical field of insole processing, the insole stamping die comprises an upper die and a lower die, the bottom of the upper die is detachably provided with a pressing die boss, an ejection assembly is arranged in a die cavity of the lower die, the ejection assembly comprises an ejection plate arranged in the die cavity and matched with the die cavity, and the ejection assembly further comprises a piston cavity formed in the lower die; a piston II is slidably sleeved with the piston cavity in the axial direction, a spring is arranged on the inner side of the piston II, a push rod is fixedly installed on the outer side of the piston II, and the other end of the push rod penetrates through the lower die and is fixedly provided with a push plate. And piston holes are vertically formed in the front end and the rear end of the bottom of the mold cavity, the multiple piston holes communicate with the end, away from the push plate, of the piston cavity, and pistons I are slidably sleeved with the piston holes in the vertical direction. According to the insole stamping die, by arranging the ejection assembly, the problem that in the prior art, after stamping forming, an insole adheres to the interior of a lower die cavity and is difficult to take out is effectively solved, and the production efficiency and the product percent of pass are greatly improved.

The utility model discloses a multifunctional intelligent alarm clock lamp, and mainly relates to the technical field of intelligent household equipment. Comprising a lamp body shell, the lamp body shell is of a triangular prism structure, in three side faces of the lamp body shell, an LED lamp set is arranged on the first side face, a touch display screen and a physical button are arranged on the second side face, and a fixing piece is arranged on the third side face; the two end faces of the lamp body shell are each provided with a hole used for sound transmission, and the two ends in the lamp body shell are each provided with a loudspeaker. A main control single chip microcomputer, a Bluetooth module, a temperature sensor, an audio amplification module and a rechargeable battery are arranged in the lamp body shell; by simulating gradually enhanced natural light and combining sound awakening, comfortable getting-up experience is provided, various intelligent functions such as lighting, music playing and temperature displaying are integrated, multi-angle stable placement is facilitated due to the triangular prism shape, and diversified requirements of users are met.

The application discloses a kind of foam-based flexible tactile sensor and its preparation method, the flexible tactile sensor has three-layer structure, middle layer is PEDOT:pss / rGO composite foam, the composite foam is tactile sensing material, and the upper and lower layers are both flexible PDMS film;The application uses simple and efficient hydrothermal synthesis method and subsequent flash instantaneous irradiation reduction method, and prepares a kind of three-dimensional porous PEDOT:pss / rGO composite foam, can effectively and maximumly keep the composite skeleton structure of original PEDOT:pss / GO foam, and makes PEDOT:pss polymer polymer and rGO sheet closely connected, so that PEDOT:pss / rGO composite foam has better mechanical elasticity and high conductivity, so that flexible tactile sensor has high sensitivity, ultra-low detection lower limit, short response time and good stability and other excellent performance, widely used in human health, motion monitoring and other fields.

The invention discloses an antibacterial air filtering material as well as a preparation method and application thereof. The preparation method comprises the following steps: opening and carding low-melting-point fibers and 2D fibers, and then conveying the fibers and the 2D fibers into a lapping machine to lay a fiber net; conveying the fiber net to a hot pressing roller for heating, pressing and shaping to obtain filter base cloth; the filtering base cloth is introduced into a melt-blown line spraying shaft; polypropylene particles and a silver ion antibacterial agent are mixed and then put into a heating bin for melt-blowing, melt-blown polypropylene fibers adhere to the outer surface of the filter base cloth, and a PP melt-blown layer is formed; the air filter cloth is obtained; spraying an antibacterial viscose solution on the PP melt-blown layer of the air filter cloth at high pressure; the air filter cloth is conveyed to drying equipment to be dried and shaped, and edge cutting and rolling are conducted. The air filtering material has a double-layer structure with a fluffy upper layer and a dense lower layer, and has antibacterial and antiviral functions, and the filter cloth can still keep high-efficiency filtering and antibacterial effects after being washed repeatedly.

The application provides a wurtzite boron nitride / diamond composite material and a preparation method and application thereof. The composite material is composed of two phases of wurtzite boron nitride and diamond, and has a stacked sandwich microstructure, which comprises at least one first wurtzite boron nitride layer composed of wurtzite boron nitride, at least one second wurtzite boron nitride layer composed of wurtzite boron nitride, and a diamond layer composed of diamond and sandwiched between the first wurtzite boron nitride layer and the second wurtzite boron nitride layer. The wurtzite boron nitride is a metastable phase stably existing under normal pressure, and the Vickers hardness of the composite material is greater than 50 GPa. The novel wurtzite boron nitride / diamond composite material has high hardness, high toughness and high thermal stability, and the preparation method has low starting material price and simple preparation process.

The liquid pesticide discharge mechanism belongs to agricultural machinery; the mechanism comprises a power driving and quantitative adjusting system composed of a motor, a motor shaft, a crank, an adjusting block and a driving rod, a quantitative liquid feeding and discharging system composed of a liquid storage cylinder, a liquid feeding check valve and a piston rod, and a liquid pesticide discharge opening and closing system composed of a transmission box, a driving plate, a rack, a gear shaft, an arc-shaped belt slot connecting rod, a connecting rod, a push-pull plate, a push-pull rod, a cross slot plate, a hanging seat, a liquid discharging cylinder, a rotating shaft, a sleeve, a semi-circular opening and closing left and right leaf plate; the mechanism has a unique, reasonable and compact structure, high precision in discharge amount control, simple and convenient operation, wide application range, strong adaptability and good versatility.

This invention relates to an electronic expansion valve, comprising a drive assembly, a screw, a valve needle, a valve seat, a bearing, and a valve needle spring. The valve seat has a fluid passage. The drive assembly drives the screw to rotate and move axially. The valve needle has an axial mounting hole inside, and its upper part has a bearing cavity to accommodate the bearing. The lower end of the screw extends into the axial mounting hole and is rotatably connected to the bearing, allowing for axial sliding. A screw retaining ring is provided at its lower end, and a screw annular protrusion is provided on its outer periphery. The valve needle spring is sleeved on the screw and confined between the screw annular protrusion and the upper end face of the valve needle. Downward movement of the screw compresses the valve needle spring through the screw annular protrusion, pushing the valve needle downward. Upward movement of the screw pushes the valve needle upward through the screw retaining ring against the bearing, thereby achieving stable axial movement of the valve needle to precisely control the opening and closing of the fluid passage. This structure achieves pure axial transmission through the bearing, effectively preventing the valve needle from rotating and vibrating with the screw. The compact layout of the valve needle spring significantly shortens the axial dimension of the valve body, improving transmission reliability and service life.

The invention relates to a wax mould injection device, which belongs to the technical field of mould injection and comprises a fixed mould mechanism and movable mould mechanisms arranged on two sides of the fixed mould mechanism, and the movable mould mechanisms on two sides move towards the fixed mould mechanism and inject wax moulds on two sides of the fixed mould mechanism. The fixed mold mechanism comprises a first fixed mold plate, core pulling mechanisms installed on the two sides of the first fixed mold plate, a driving mechanism driving the core pulling mechanisms to move and a demolding mechanism arranged in the first fixed mold plate and used for demolding an injected wax mold. The core-pulling mechanism comprises a first core-pulling assembly installed in the first fixed mold plate, a second core-pulling assembly installed on the other side of the first fixed mold plate and a linkage assembly connected with the first core-pulling assembly and the second core-pulling assembly. The wax mold injection device achieves the technical effects that the wax mold injection efficiency is improved, core pulling and demolding operation is accurately achieved, and the wax mold forming quality is guaranteed.

This utility model discloses a ventilated and heat-dissipating seat cushion, relating to the field of seat cushion technology. It includes a rectangular grid plate, with a support unit at each cross intersection of the grid plate. Each support unit includes a ring-shaped body, with four support rods fixed at equal intervals at the bottom of the ring-shaped body. The lower ends of the four support rods are respectively fixedly connected to the four rods at the corresponding cross intersections. Each support unit on the edge of the seat cushion has a protective unit, which includes two bent rods fixed to the outer edge of the ring-shaped body. The lower ends of the two bent rods are fixed to the same connecting rod, which is fixedly connected to the grid plate. This ventilated and heat-dissipating seat cushion, by setting support units at each cross intersection of the grid plate, creates a flexible support system between the grid plate and the support units, which can deform to a certain extent. This significantly improves the cushion's flexibility while also enhancing ventilation and heat dissipation, thus improving comfort.

The invention relates to a double-cavity heterogeneous micro-electrolytic cell based on theta-shaped glass tubes and a preparation method thereof.The double-cavity heterogeneous micro-electrolytic cell is prepared through a unique'double-wire packaging-selective dissolving 'process and specifically comprises the steps that a laser drawing instrument is used for drawing the middles of the theta-shaped glass tubes with metal wires in two cavities respectively; two independent theta-shaped glass tubes with tips respectively are obtained; hydrophobizing the outer wall of the tip end of one theta-shaped glass tube; then, one metal wire is selected to be dissolved, so that a micro-channel is formed in the cavity of the tip; and then carrying out electrode assembly after polishing to obtain the double-cavity heterogeneous micro-electrolytic tank. According to the process, a'solid electrode cavity / hollow channel cavity 'heterostructure is created through selective dissolution, a three-electrode system is perfectly integrated in a tiny theta-shaped tip, the structure is compact, and analysis of extremely trace samples can be realized. The problems that a traditional micro-electrolytic tank is difficult to integrate and unstable in interface are solved, and the micro-electrolytic tank is suitable for high-sensitivity detection of micro-samples.

The utility model discloses an assembly type Tangjia, relate to ancient building technical field, including ridge tile and the rainproof barrel tile of carding on ridge tile, the ridge tile is inverted U type, and the top plate of ridge tile is seted up and is poured into the hole, and the both sides board between ridge tile fixedly installed has the connecting plate, and the middle part of both sides board lower extreme of ridge tile all is seted up and has the avoidance slot, the rainproof barrel tile includes semicircular tile body, and the length of tile body is same with ridge tile, and one end of tile body is equipped with the rainproof slot I of recessing inwards, and the other end fixedly installed has the assembly tile platform, and the outer diameter of assembly tile platform is not greater than the inner diameter of tile body, and the middle part of assembly tile platform is equipped with the rainproof slot II of cooperation with rainproof slot I. This assembly type Tangjia adopts assembly type design, only needs to card ridge tile on roof ridge in proper order when constructing, then carries out concrete pouring, finally covers rainproof barrel tile, can, and the construction process is simple and quick, has improved construction efficiency, has reduced construction cost.

This arc-shaped picking-up toothed rod self-rotating straw gathering unit belongs to agricultural machinery. It features a right and left ring frame symmetrically fixed to a Π-shaped frame. First and second pushing bosses and first and second racks are fixed to the inner wall of the right ring frame. Right and left annular limiting track grooves are respectively opened on the outer circumference of the right and left ring frames. A rotary drive bushing is positioned at the center of the right and left ring frames. A rod seat is fixed to the rotary drive bushing, and the rod seat is connected to the arc-shaped picking-up toothed rod via a connecting shaft and a shaft seat. The two ends of a tension spring are connected to the rod seat and the connecting shaft, respectively. An annular plate, a cylindrical gear, and a square seat plate are sequentially installed on the arc-shaped picking-up toothed rod. Four anti-rotation limiting posts are symmetrically positioned at the four corners of the inner side of the square seat plate. This unit achieves self-rotation adjustment of the arc-shaped picking-up toothed rod's orientation during straw picking and unloading. It has a unique and reasonable structure, high operating efficiency, good laying quality, few malfunctions, and reliable use.

The utility model discloses a kind of noise reduction air source heat pumps, including air source heat pump main body, the top end output port of air source heat pump main body is equipped with sound reduction cover, the top end of sound reduction cover is equipped with dust frame;The top end of dust frame is embedded with dust screen, both sides outer wall of dust screen are equipped with embedded block;The inner wall of both sides of dust frame is equipped with embedded groove, embedded block is embedded in embedded groove;The bottom end of sound reduction cover is equipped with limit ring plate, the top end of limit ring plate is equipped with locating screw hole in four corners, the top end of air source heat pump main body is equipped with locating screw groove in four corners of its output port;The setting of this noise reduction air source heat pump, the utility model is equipped with sound reduction cover in the top end output port of air source heat pump main body, can effectively absorb and block the noise generated when heat pump operates, significantly reduce noise pollution, create quiet atmosphere for surrounding environment, expand the application scene of air source heat pump in residential area, school, hospital and other noise sensitive areas.

This application relates to the field of electrocatalysts and their preparation technology, specifically to a phosphorus-doped cobalt-molybdenum alloy electrode, its preparation method, and its application. This application solves the problem of low Faradaic efficiency and yield in existing electrocatalytic conversion of nitrate to ammonia. The catalyst for nitrate-to-ammonia reduction with a nanosheet structure obtained by phosphating a sample prepared from a Co and Mo composite exhibits excellent Faradaic efficiency and yield in nitrate-to-ammonia reduction. Test results show that the prepared P-CoMo / NF nanoalloy catalyst achieves an ammonia yield as high as 13700.49 μg h⁻¹ in a mixed solution of 1 mol / L KOH and 0.1 mol / L KNO₃ at -0.5 V vs. RHE. ‑1 cm ‑2 The Faraday efficiency remained at 91.69%. Furthermore, the ammonia yield and Faraday efficiency remained stable over 10 cycles at -0.5V vs. RHE.

The utility model relates to a notebook computer containing and packaging box which comprises protective outer sleeve shells and a main box body, the protective outer sleeve shells are symmetrically arranged on the left side and the right side of the main box body in a sleeved mode, and the protective outer sleeve shells are provided with grooves for containing the main box body. A buffer gasket is arranged in the groove, and a plurality of convex ribs are arranged on the surface of the buffer gasket; a protective hard paper layer is arranged on the surface of the protective sleeve shell; a buffer cushion layer is arranged on the bottom layer in the main box body; and a plurality of rectangular box bodies are arranged in the main box body. The packaging box is novel in structure, the packaging box comprises the protective outer sleeve shells and the main box body, the protective outer sleeve shells are symmetrically arranged on the left side and the right side of the main box body in a sleeved mode, and the packaging box is unique in structure and convenient to open.

The application discloses a kind of multi-fluid sequence microreactor, comprising: glass substrate;Microreaction cover is set on the glass substrate, and the microreaction cover is provided with sequentially connected inlet assembly, channel assembly, outlet in it, the inlet assembly includes at least three inlets, the channel assembly includes transport channel assembly and reaction channel assembly, the transport channel assembly includes at least three transport channels corresponding to the at least three inlets respectively, and the at least three transport channels converge, and the reaction channel assembly includes at least two mixing channels connected, and the microreaction cover is provided with groove array in the upper portion corresponding to the at least two mixing channels.The sequence microreactor of the application has multi-stage fluid expansion-shrinkage area, and asymmetric chaos generation area, and the design of these areas can realize the rapid expansion and shrinkage of fluid, and the generation of asymmetric chaotic flow, to create conditions for subsequent mixing reaction.

This liquid pesticide precise quantitative adjustable dispensing unit belongs to agricultural machinery. It comprises: a power drive and quantitative adjustment mechanism consisting of a motor, motor shaft, crank, adjusting block, and drive connecting rod; a quantitative inlet and outlet mechanism consisting of a storage cylinder, inlet check valve, and piston rod; and a pesticide dispensing opening and closing mechanism consisting of a drive plate, active rod, grooved connecting rods A, B, and C, push-pull rod, cross groove plate, hanging base, rotating shaft, sleeve, semi-circular opening and closing left leaf plate, semi-circular opening and closing right leaf plate, and dispensing cylinder. This unit features a unique, reasonable, and compact structure, high adjustment precision, simple and convenient operation, wide applicability, strong adaptability, and good versatility.

The utility model discloses a novel hanging assembly which comprises a cylindrical sectional material, and a first notch and a second notch are further formed in the circumferential face of the sectional material. The first notch is connected with an arranged connecting piece, and the second notch is connected with an arranged hook; the first notch and the second notch completely penetrate through the sectional material in the length direction of the sectional material. Due to the fact that the connecting piece can slide on the sectional material, and the hooks can also slide on the sectional material, the number of the hooks installed on the sectional material can be freely increased or decreased, meanwhile, after the connecting piece is fixed, the sectional material can also move below the connecting piece, the using position of the sectional material can be freely adjusted, and particularly, the connecting piece is movably connected with the sectional material. Therefore, the installation number of the connecting pieces can be freely increased or decreased. In addition, the cylindrical profile is novel and unique in structure. Therefore, the utility model is worthy of popularization and application.

This application provides an electrochemical sensor for detecting luteolin, comprising a working electrode and a sensing material modified on the working electrode; the sensing material is a Co-N / C nanomaterial. The Co-N / C nanomaterial prepared in this application possesses a unique structure and excellent electrocatalytic activity, which can significantly enhance the electrochemical response signal to luteolin, thereby achieving highly sensitive detection of luteolin. Simultaneously, this sensor exhibits good selectivity, effectively avoiding interference from other coexisting substances in the sample.

The invention discloses a weed extruding and rubbing and liquid medicine coating device, and belongs to agricultural machinery. The upper end of a hollow shaft stepping motor is connected with a liquid conveying pipe through a clamping seat, the lower end of a motor shaft is fixedly provided with a hanging shaft through a coupler, a fixing sleeve is rotatably sleeved at the lower end of the hanging shaft, the lower end of the fixing sleeve is sequentially provided with an atomizing nozzle, a seepage cylinder and a cylinder type sun gear from the center to the outside, and the cylinder wall of the tooth root of the sun gear is provided with an axial long-strip-shaped through hole. The sponge axial boss is inserted into the through hole and the outer end is exposed; a rotatable cylindrical planetary gear is mounted on a gear shaft at the lower end of the crank arm and is constantly meshed with the sun gear, and a sponge boss is intermittently extruded by tooth crests; the device realizes physical and mechanical damage to stems and leaves of weeds, and at the same time, the herbicide liquid is applied to the damaged part, so that absorption of the weeds to the liquid is promoted, and the device has the outstanding characteristics of good herbicide effect, low consumption of the liquid, low loss of the liquid, low operation cost and light environmental pollution.

The utility model discloses a multifunctional grain condition processing machine relates to grain storage technical field, including frame, the bottom of frame is equipped with walking mechanism, and the top is equipped with the grain turnover mechanism, the grain turnover mechanism includes the scraper conveyor hinged in the front end of frame, still includes setting up the back slide screen in the rear end of frame, and the scraper conveyor and back slide screen all are obliquely arranged, and the upper end of back slide screen is hinged below the output end of scraper conveyor, electric telescopic link I is hinged between the scraper conveyor and frame, and electric telescopic link II is hinged between back slide screen and frame, and the input end fixed mounting of scraper conveyor has the feeding hopper, and the rotatory axle is rotatoryly installed in the feeding hopper, and the rotatory axle is transmission connection with scraper conveyor. This multifunctional grain condition processing machine, integration removes, grain, screening, dosing function, single operation can complete multiple tasks simultaneously, and the manual cost is reduced greatly, realizes "turnover - purification - protection " closed - loop management, fundamentally solves the problem of the grain condition in the warehouse out of control.

The present application relates to the technical field of granule packaging, and discloses a granular material filling machine, which comprises a rack, a bag conveying mechanism and a vacuumizing and heat sealing mechanism, the bag conveying mechanism is fixedly installed on the ground, the inside of the rack is provided with an automatic overturning and bagging mechanism, the lower surface of the automatic overturning and bagging mechanism is fixedly installed on the ground, a bag supporting suction disc is arranged above the automatic overturning and bagging mechanism, the bag supporting suction disc is fixedly installed in the inside of the rack, and a bag clamping mechanism is arranged above the bag supporting suction disc. The granular material filling machine is provided by matching a sliding half-ring guide rail, a walking trolley, a belt half-ring and a discharging pipe, so that the upper opening of the packaging bag can be more closely combined with the discharging pipe during filling, the risk of dust overflow in the packaging material is reduced, the whole packaging process is cleaner, the environmental protection effect of the whole device is improved, and the risk of explosion caused by high dust concentration is also reduced.