41results about How to "Cover tightly" patented technology

The invention discloses a flame retardant with a double-layer microcapsule structure, a flame-retardant polyurethane material as well as a preparation method and application of the flame-retardant polyurethane material, and belongs to the technical field of flame retardants. The material is a multifunctional flame retardant with a double-layer core-shell structure, a shell layer is calixarene boric acid resin, a middle shell layer is melamine phthalic anhydride resin, and a core layer is hydroxyapatite modified aluminum hypophosphite. Due to the high cross-linking degree between polymers, the flame retardance of polyurethane is improved, meanwhile, the mechanical property of the polyurethane is improved, and the flame retardance and seawater corrosion resistance of the material are synergistically enhanced through hydroxyapatite dispersed in the core layer. The double-shell layer has excellent hydrophobicity, prevents internal aluminum hypophosphite from being affected with damp and has anti-fouling and self-cleaning effects, and the prepared flame-retardant polyurethane composite material has excellent tensile and flexible characteristics due to a double network of hydrogen bonds and covalent bonds.

The invention discloses a graphene-coated hard carbon negative electrode material and a preparation method thereof, and belongs to the technical field of hard carbon negative electrode materials. The preparation method of the graphene-coated hard carbon negative electrode material comprises the following steps: carrying out pretreatment and three-step soaking on coconut shells, carrying out biomass carbonization, mixing with a microbial suspension, and adsorbing to obtain a microbial adsorption type hard carbon material; and then carrying out surface treatment, chemical vapor deposition, impregnation, secondary chemical vapor deposition and annealing treatment on the microbial adsorption type hard carbon material to obtain the graphene coated hard carbon negative electrode material. The negative electrode material prepared by the method is high in first discharge capacity, high in first coulombic efficiency and good in cycle performance.

The invention provides an extrusion device and method for cable production. The extrusion device comprises a rack, an extrusion mold, a wire conduit and a wire core surface treatment device, wherein the wire conduit is horizontally and fixedly arranged on the rack, is connected with the extrusion die and is used for guiding a wire core to enter the extrusion die; the wire core surface treatment device comprises a plurality of extrusion rods and a driving mechanism, the plurality of extrusion rods are uniformly arranged around the central axis of the wire conduit, one end of each extrusion rod is located in the wire conduit and is provided with an embossing bulge, and the other end of each extrusion rod movably penetrates through the outer side of the wire conduit in the radial direction of the wire conduit; and the driving mechanism is arranged on the outer side of the wire conduit and is used for synchronously driving the plurality of extrusion rods to reciprocate, so that the embossing bulges apply embossing on the outer surface of the wire core. The embossing is applied to the surface of the wire core, so that the contact area and the friction coefficient between the wire core and the insulating layer are increased, the adhesive force between the insulating layer and the wire core is improved, and the insulating layer is more stable and is not easy to strip or slide in the coating process.

The invention relates to the technical field of agricultural machinery, and particularly discloses a saline-alkali farmland planting ridging and film mulching device which comprises a connecting unit, a film releasing unit and a film mulching unit. The reliable connection of the mounting rack and the first connecting bracket with a traction machine ensures that the device can advance according to a preset track in the ridging and film covering process, so that the accuracy and continuity of operation are ensured; in addition, soil can be turned over before ridging and film mulching through a soil turning assembly fixed to a fixing plate, the soil structure is improved, the soil is looser, growth of crop roots and permeation of water and nutrients are facilitated, and through cooperation of all the components, the yield of crops is improved. The key problems of stability, sealing performance, adaptability and the like in the film material conveying and film covering process are effectively solved, efficient and reliable technical support is provided for saline-alkali soil crop planting, and improvement of the agricultural production benefits of saline-alkali soil and improvement of the ecological environment are facilitated.

The invention discloses a composite heat-conducting filler, the composite heat-conducting filler is a graphene oxide-coated aluminum oxide composite heat-conducting filler, aluminum oxide grows on the surface of graphene oxide in situ, and then a microsphere structure in which the surface of aluminum oxide is coated with graphene oxide is formed through a special drying technology. The invention further discloses graphene in-situ modified heat-conducting gel which contains the composite heat-conducting filler. The invention also discloses a preparation method and application thereof. In the product prepared by the embodiment of the invention, the graphene wraps the surface of the aluminum oxide, and the graphene and the aluminum oxide are mutually lapped and cooperated to form a two-dimensional and zero-dimensional spherical special compounding effect, so that a three-dimensional and wide heat-conducting network structure is constructed, and high heat conductivity coefficient and high extrusion rate under a relatively low filling amount are realized.

The invention discloses cable sheath coating production equipment, and relates to the technical field of cable processing, the cable sheath coating production equipment comprises a base, the top of the base is fixedly connected with hot melting equipment and a supporting table, one end of the hot melting equipment is fixedly connected with an electric rotary table, and the output end of the electric rotary table is fixedly connected with a shearing screw rod. According to the cable sheath coating production equipment, along with rotation of the guide assembly and shearing pushing of a shearing screw rod, hot melt plastic fluid is extruded to the position between the rolling assembly and the guide assembly, the fluid is fully heated and pressed in the rolling assembly and the guide assembly to be subjected to hot melt, and the high-temperature fluid reaches the inner side face of the primary cooling assembly through a fixing plate; under the guidance of the primary cooling assembly, the conductor wire core is coated with the hot melt fluid, then passes through the pressing mechanism and is wound on the surface of the traction mechanism, so that the problem that the molding quality of a cable sheath is poor due to the fact that plastic particles cannot be fully mixed and hot melt is solved.

The invention belongs to the technical field of passivation treatment, and particularly relates to a robot part passivation treatment device which comprises a passivation cylinder, a pull-down type liquid carrying mechanism, a rotary sealing type soaking mechanism and a heat treatment mechanism, the pull-down type liquid carrying mechanism is arranged in the passivation cylinder, the rotary sealing type soaking mechanism is arranged on the upper wall of the passivation cylinder, and the heat treatment mechanism is arranged on the lower wall of the passivation cylinder. The heat treatment mechanism is arranged on the side wall of the passivation cylinder, and the pull-down type liquid carrying mechanism comprises a sliding mechanism, a steering mechanism, a pull-down mechanism, a weight increasing mechanism and a steam exhaust mechanism. According to the robot part passivation treatment device, harmful gas generated during chemical reaction of passivation liquid can be prevented from being leaked into the external environment, the operation safety of workers is guaranteed, and passivated parts can be dried.

This invention belongs to the field of hard carbon technology, specifically relating to a bamboo-based and lignin-based hard carbon composite material, its preparation method, and its applications. The process involves pretreating raw materials to obtain pretreated material; pretreating the pretreated material with an acidic oxidant to obtain acidic oxidant pretreated material; pre-oxidizing the acidic oxidant pretreated material to obtain pre-oxidized material; pre-carbonizing the pre-oxidized material under a protective atmosphere to obtain pre-carbonized material; pulverizing the pre-carbonized material to obtain pulverized material; acid washing followed by water washing to obtain purified material; soaking the purified material in acid, filtering, and drying to obtain soaked material; mixing the soaked material with a modifier, and high-temperature coating and carbonizing under a protective atmosphere to obtain bamboo-based coated hard carbon or lignin-based coated hard carbon. Mixing the two types of hard carbon and carbon coating yields a bamboo-based and lignin-based hard carbon composite material, which is used in negative electrode sheets and batteries. When applied to batteries, the hard carbon composite material of this invention can improve battery energy density.

The application discloses a kind of composite heat-conducting fillers, the composite heat-conducting filler is graphene oxide wraps aluminium oxide composite heat-conducting filler, wherein aluminium oxide is in situ grown on the surface of graphene oxide, then through special drying technique to form the microsphere structure of graphene oxide wrapping on the surface of aluminium oxide.The application also discloses a kind of graphene in-situ modified heat-conducting gel, containing the composite heat-conducting filler described above.The application also discloses its preparation and application.In the product prepared in the embodiment of the application, graphene is wrapped on the surface of aluminium oxide, and the two are mutually overlapped, mutually synergistic, form the special compounding effect of two-dimensional and zero-dimensional spherical, construct three-dimensional, extensive heat-conducting network structure, realize high thermal conductivity and high extrusion rate under lower filling amount.

This invention relates to the field of sodium-ion battery technology, and discloses a sodium-ion cathode material, its preparation method and application, a sodium-ion battery, a sodium-ion battery pack, and a device. The sodium-ion cathode material includes a matrix and a coating layer covering the matrix; the matrix has the composition shown in Formula I: Na 1‑x [Ni y Mn z M u Ti v O2 Formula I; the coating layer has the composition shown in Formula II: Na 2‑β Ti 6‑α M′ α O 13 Formula II. This sodium-ion cathode material possesses characteristics such as high ionic and electronic conductivity, strong structural stability, and strong chemical stability. Furthermore, using this composite cathode material in sodium-ion batteries can effectively improve the battery's electrochemical performance.

This invention relates to the field of battery technology, and more particularly to a positive electrode lithium replenisher, its preparation method, a positive electrode sheet, and a lithium battery. The aforementioned positive electrode lithium replenisher includes a core and a shell, with the shell covering the surface of the core to isolate the core from the side reaction environment. The core is a lithium-rich material, specifically at least one of Li5FeO4, Li5ReO6, and Li6CoO4. The shell is cobalt boride. This core-shell structured positive electrode lithium replenisher with cobalt boride as the shell effectively coats the core material, improves the air stability of the positive electrode lithium replenisher, reduces residual alkali, and thus enhances the battery's energy density and cycle performance.

The utility model provides an anti-freezing heat preservation device for a vegetable planting greenhouse, and relates to the technical field of anti-freezing heat preservation devices, the anti-freezing heat preservation device comprises a greenhouse body, the top of the greenhouse body is fixedly connected with a greenhouse roof, the top of the greenhouse roof is fixedly provided with two groups of sliding rails, and the tops of the two groups of sliding rails are provided with sliding grooves. According to the utility model, under the interaction of all the components of the device, when the temperature is gradually reduced at night, the controller receives a signal and drives the motor to start to work, the motor rotates to drive the rotating shaft, the rotating shaft winds the traction rope, and the heat preservation film is unfolded and covers the top of the greenhouse, and the process can be continuously carried out; the temperature in the greenhouse is effectively kept, the temperature loss is reduced, the opening, closing and unfolding speed of the heat preservation film can be intelligently controlled according to the outside air temperature, the greenhouse is always in the optimal growth environment, and the intelligent control mode can improve the production efficiency, save energy and reduce the production cost. The operation cost is reduced.

The technical scheme belongs to the technical field of hydraulic power devices, and particularly relates to a hydraulic work station which comprises a mounting seat and a pump seat arranged on the mounting seat, the pump seat covers the mounting seat, a pump cavity is formed between the pump seat and the mounting seat, two gears are rotatably connected in the pump cavity, and the two gears divide the pump cavity into a first oil cavity and a second oil cavity. The mounting seat is provided with a first oil way and a second oil way, the first oil way and the second oil way are communicated with the first oil cavity and the second oil cavity in a one-to-one correspondence mode respectively, and the ends, away from the pump cavity, of the first oil way and the second oil way are used for being connected with an execution piece. The two gears are hidden between the pump base and the mounting base, the pump base can tightly cover the pump cavity, the sealing performance of the pump cavity is ensured, and the compactness between the pump base and the mounting base is improved.

The present invention provides a silver-coated copper powder with a dense and smooth silver coating and a preparation method thereof, which belongs to the field of conductive slurry. The preparation method comprises the following steps: the first step is to remove the oxide on the surface of the copper powder; the second step is to prepare a silver-coated copper powder precursor; the third step is to mix the silver-coated copper powder precursor with a complexing agent, a dispersant and a reducing agent, and add deionized water to prepare a solution, slowly drip a silver salt solution of a certain concentration into the solution, and use a small amount of silver coating layer on the surface as a nucleation point to perform a reduction reaction to achieve dense coating of the silver-coated copper powder precursor. The present invention combines a chemical replacement method and a chemical reduction method to prepare silver-coated copper powder, first performs a small amount of replacement reaction, and then performs a reduction reaction to prepare the silver-coated copper powder, so as to achieve the purpose of high sphericity, small particle size, density and smoothness of the silver coating layer in the silver-coated copper powder.

The invention relates to a PE black and white shading film and a preparation method thereof, the PE black and white shading film comprises a black film and a white film, the black film comprises the following raw materials by weight: 80-100 parts of low density polyethylene, 1-1.5 parts of a cross-linking agent, 0.5-1.0 part of a lubricant, 0.1-0.5 part of an antioxidant, and 15-35 parts of carbon black; the white film is prepared from the following raw materials in parts by weight: 80 to 100 parts of low-density polyethylene, 1 to 1.5 parts of a cross-linking agent, 0.5 to 1.0 part of a lubricating agent, 0.1 to 0.5 part of an antioxidant and 5 to 20 parts of white filler, and the white filler comprises 4 to 20 parts of white flaky mica powder; the melt index of the low-density polyethylene in the black film is 0.7-0.9 g / 10min, and the melt index of the low-density polyethylene in the white film is 0.38-0.42 g / 10min. The PE black and white shading film prepared by the invention is high in shading rate and high in tearing strength.

This invention belongs to the field of laser cutting technology for automotive lamp covers, specifically a laser cutting and trimming device for the outer periphery of an automotive lamp cover, including a laser trimming machine base; a first guide rail frame is fixedly connected to the laser trimming machine base; an electric slide is slidably connected to the first guide rail frame; the lamp cover is fixed by four limiting pressure plates pressing down synchronously. When the laser cutting head cuts the flash and sprue material along the outer periphery, if it is about to reach a certain locking point, the corresponding connecting component will first release the locking of the pressure plate at that point, and then the second electric slider will drive the central slide plate and pressure plate away, while the other pressure plates remain locked. After cutting the position, the locking is reset, and all locking positions are completed in sequence. This multi-point pressing and single-point clearance fixing method replaces the situation where the traditional locking structure blocks the cutting path, improving the cutting integrity and processing quality. At the same time, the connecting component can slide on the central slide plate, so that the limiting pressure plates can adapt to different lamp cover shapes, replacing the traditional single-specification locking structure.

The utility model discloses a cable rope wrapping tape device, and relates to the technical field of cable rope wrapping, the cable rope wrapping tape device specifically comprises a wrapping installation main body, a wrapping assembly and an auxiliary mechanism, the wrapping installation main body is installed on a conveying travelling crane and can move along the axial direction of a cable rope along with the conveying travelling crane; the wrapping assembly is installed on the wrapping installation body and located at the advancing end of the wrapping installation body, the wrapping assembly rotates around the cable in the circumferential direction at a constant speed so that the cable can be wrapped with the wrapping belt, the auxiliary mechanism is installed on the wrapping installation body and located at the end opposite to the wrapping assembly, and the wrapping belt wrapping the cable is pressed through the auxiliary mechanism. According to the wrapping device, it can be ensured that a wrapped wrapping tape is tight, not loose, uniform and stable, and meanwhile the diameter of a wrapping cable can be correspondingly adjusted according to different needs so that the adaptability and practicability of the wrapping device can be improved.

The present invention discloses a hydrophobic double-shell isocyanate type self-repairing microcapsule and its preparation method and application, belonging to the technical field of polymer chemistry. First, TMP and IPDI monomers are used to prepare a multifunctional isocyanate prepolymer core material TMP-IPDI, and then polyurethane is used as a wall material, and the obtained core material and fluorescent agent 4,4-bis (2-sodium disulfonate styrene) biphenyl are used to prepare fluorescent isocyanate type self-repairing microcapsule powder; finally, the obtained fluorescent isocyanate type self-repairing microcapsule is secondary coated with silicon dioxide modified with tridecafluorooctyl trimethoxysilane to obtain a hydrophobic double-shell isocyanate type self-repairing microcapsule. The operation of the present invention is simple, and the prepared microcapsule has high self-repairing efficiency and good compactness. It can be used as a coating filler to repair coating microcracks, and has the functions of hydrophobicity and corrosion resistance.

The utility model discloses a plate and tube evaporator, which relates to the technical field of evaporators and comprises a heat exchange plate provided with a heat exchange tube. Each heat exchange pipe comprises a linear section part and a bent section part, and each bent section part is located between every two adjacent linear section parts to form a circuitous pipeline; a heat exchange tube wrapping aluminum sheet is arranged on the linear section part, the heat exchange tube wrapping aluminum sheet comprises an aluminum sheet wrapping part and an aluminum sheet welding part, the aluminum sheet wrapping part wraps the linear section part, and the heat exchange tube wrapping aluminum sheet is connected with the heat exchange plate through the aluminum sheet welding part; by adopting the design that the heat exchange tube wrapping aluminum sheet is arranged on the heat exchange tube, the heat exchange tube wrapping aluminum sheet can wrap the heat exchange tube through the aluminum sheet wrapping part so that the heat exchange tube is not prone to loosening, heat transfer is conducted through the heat exchange tube wrapping aluminum sheet, and the heat exchange efficiency between the heat exchange tube and the heat exchange plate is improved.

The utility model discloses conductive foam forming automatic coating equipment, which relates to the technical field of conductive foam coating, and comprises a box body, an inlet is arranged at the central position of one side of the box body, an outlet is arranged at the central position of the box body opposite to the inlet, and observation windows are arranged on the box body at the upper ends of the inlet and the outlet. A cleaning assembly is arranged at the end, close to the inlet, of the inner side of the box body, a wrapping assembly is arranged on the side, away from the inlet, of the cleaning assembly in the box body, and a pressing assembly is arranged on the side, away from the cleaning assembly, of the wrapping assembly in the box body. The wrapping problem caused by target bending and uncleanness is reduced, the input target is wrapped with the conductive foam when passing through the wrapping assembly, finally, the conductive foam wrapping the input target is pressed on the pressing assembly, the product quality is improved, and the working efficiency is improved.

This utility model discloses a heat dissipation fixture and heat dissipation connector for a steering gear durability test, relating to the field of steering gear technology. It includes a first heat-conducting plate and a second heat-conducting plate detachably connected to the first heat-conducting plate. The first heat-conducting plate has a first arc-shaped groove, and the second heat-conducting plate has a second arc-shaped groove. When the first and second heat-conducting plates are connected together, the first and second arc-shaped grooves together form a through hole for covering the motor housing. The second heat-conducting plate has a connecting hole for connecting a water-cooled heat dissipation component. In use, the first and second arc-shaped grooves are respectively engaged on the outer peripheral wall of the motor housing. The water-cooled heat dissipation component is connected to the second heat-conducting plate, and heat is dissipated from the motor through the second and first heat-conducting plates, achieving tight coverage and heat conduction, significantly improving heat dissipation efficiency.

The invention provides a preparation method of low-ablation refractory concrete, and belongs to the technical field of concrete. The preparation method comprises the following steps: preparing functionalized aluminum oxide, preparing zirconium dioxide sol, compounding and mixing. The preparation method of the zirconium dioxide sol comprises the following steps: adding a zirconium n-butoxide solution into deionized water, uniformly stirring, adding a nitric acid solution at the adding rate of 1.3-1.7 mL / min, stirring at the stirring rate of 535-547 rpm until the solution is clear and transparent, adding polyethylene glycol 200 and L-sorbitol, carrying out ultrasonic treatment for 8-12 minutes, filtering, washing, and drying to obtain the zirconium dioxide sol. The ultrasonic power is 136-143W, the ultrasonic frequency is 28-32kHz, and after the ultrasonic treatment is finished, preparing zirconium dioxide sol; the refractory concrete prepared by the method disclosed by the invention is low in ablation rate, good in fire resistance, good in low temperature resistance and high in strength.

The utility model belongs to the technical field of DLP display screens and discloses a waterproof DLP display screen which comprises a case, a DLP screen is arranged on the front face of the case, and the waterproof DLP display screen further comprises a waterproof component arranged on the front face of the case and used for improving the sealing performance of the edge of the DLP screen; the waterproof component comprises a fixed frame, a cavity is formed in the fixed frame, a first fixed shaft is installed in the cavity, the outer surface of the first fixed shaft is sleeved with a movable plate, an extrusion plate is installed on one side of the movable plate, a rubber bag is arranged on the inner side of the extrusion plate, and a plurality of movable frames are hinged to the outer side of the extrusion plate. And a connecting frame is hinged between two adjacent groups of movable frames. The two extrusion plates are driven to move mutually through the movable plate and the first fixing shaft, so that the rubber bag can be extruded through the extrusion plates, the DLP screen is wrapped by the rubber bag more tightly, and the rubber bag is tightly attached to the edge of the DLP screen all the time to maintain the sealing effect of the DLP screen.

The invention provides a truck tarpaulin system which comprises a tarpaulin frame provided with a first connecting part formed on the outer contour of the tarpaulin frame. The tarpaulin covers the outer side of the tarpaulin frame and is provided with a side edge and a bottom edge which are connected with each other, and the side edge of the tarpaulin is provided with a second connecting part; the side wall of the cloth rolling rod is connected with the bottom edge, and the tarpaulin can be unfolded and folded on the outer side of the cloth rolling rod in the circumferential direction of the cloth rolling rod along with rotation of the cloth rolling rod, so that the cloth rolling rod moves along the outer contour of the tarpaulin frame; wherein in the process that the cloth rolling rod moves along the outer contour of the tarpaulin frame, the first connecting part is matched with the second connecting part so as to seal a gap between the tarpaulin and the tarpaulin frame. Automatic sealing of the tarpaulin relative to the tarpaulin frame is achieved, a user does not need to manually take other sealing measures, user experience is facilitated, the burden of the user is reduced, and safety is higher.

The invention provides a three-seat forming machine. The controller is used for receiving speed signals sent by the first photoelectric sensor, the second photoelectric sensor and the third photoelectric sensor and controlling the lining core conveying assembly. Rotating speeds of the semi-finished product conveying assembly and the shielding material semi-finished product conveying assembly enable the conveying speed of the lining core conveying assembly for conveying the lining core into the second forming machine and / or the conveying speed of the shielding material semi-finished product conveying assembly for conveying the shielding material semi-finished product to the output end of the third forming machine to be larger than half of the conveying speed of the lining core conveying assembly for conveying the lining core into the second forming machine and / or the conveying speed of the shielding material semi-finished product to the output end of the third forming machine. The finished product conveying assembly conveys the semi-finished products to a conveying speed in a third forming machine; the conveying speeds of all layers of materials of the foam electromagnetic shielding material semi-finished product are matched through automation, the stability of the conveying speeds of all layers of materials of the foam electromagnetic shielding material semi-finished product is improved, the problems of bending deformation of all layers of materials, reduction of the attaching precision of all layers of materials and the like are effectively avoided, and the production efficiency is improved.

The present invention relates to the technical field of agricultural machinery, and specifically discloses a saline-alkali farmland planting ridging and film covering device, including a connecting unit, a film placing unit and a film covering unit. By installing a frame and a first connecting bracket and reliably connecting with a traction machine, it is ensured that during the ridging and film covering process, the device can move along a predetermined track to ensure the accuracy and consistency of the operation; in addition, through the soil turning component fixed on the fixed plate, the soil can be turned over before ridging and film covering, so as to improve the soil structure and make the soil looser, which is conducive to the growth of crop roots and the penetration of water and nutrients. Through the coordinated cooperation between various components, key issues such as stability, sealing and adaptability in the film material transportation and film covering process are effectively solved, providing efficient and reliable technical support for saline-alkali land crop planting, and helping to improve the agricultural production efficiency and ecological environment improvement of saline-alkali land.

The invention relates to a sealed bottle cap and a sealed bottle. The bottle cap comprises an inner sleeve, an inner cover and a sealing assembly. The sealing assembly is arranged inside the inner sleeve. The sealing assembly comprises an inner plug and a sealing valve. The top of the inner plug is clamped with the inner sleeve, and the bottom is plugged on the inner wall of the bottle mouth. The inner plug is provided with a channel communicating with the bottle. The top of the sealing valve passes through an opening and abuts against the inner cover. The bottom end of the sealing valve covers the inner plug to block the channel, and forms a sealing structure of the bottle mouth with the inner plug. The sealing valve comprises a cover plate, a resistance section and a plug-in section. The top surface of the cover plate is fixedly connected with the resistance section. The top of the resistance section passes through the opening and abuts against the inner cover, and the diameter of the resistance section is smaller than the aperture of the opening. The bottom surface of the cover plate contacts with the top end surface of the inner plug but is not fixed. The plug-in section is fixedly connected at the center of the bottom surface of the cover plate, and the plug-in section extends into the channel and is located in the bottle mouth. The sealed bottle cap has good sealing performance, and liquid waste and pollution are avoided.

The utility model relates to the technical field of soil covering nets, in particular to a soil covering net convenient to install. The technical problems that an existing soil covering net is usually manually grabbed, pulled and covered, due to the fact that the soil covering net has certain extensibility and is prone to being affected by the external environment after being manually laid, the soil covering net is blown up to move and loosen, frequent adjustment is needed, rapid installation of the soil covering net is affected, and the soil covering net is difficult to use. The soil covering net is difficult to be accurately laid in an area needing to be covered, and the covering effect of the soil covering net is reduced. According to the technical scheme, the soil covering net convenient to install comprises a soil covering net body, an adjusting assembly and a fixing assembly; compared with a traditional soil covering net, the soil covering net is firmly fixed to the ground when laid by connecting the positioning blocks with the inserting plates, it is ensured that the soil covering net is stably attached to the ground, the soil covering net is prevented from moving or being blown up due to external wind power or other acting force, the soil covering net is accurately laid in an area needing to be covered, and it is ensured that the covering range of the soil covering net is accurate; the covering effect of the soil covering net is improved.

The invention relates to the technical field of electronic tag production, in particular to an automatic electronic tag production system and method, and the system comprises a feeding mechanism, a compounding mechanism, a slitting mechanism and a waste treatment mechanism which are arranged on a rack. The discharging mechanism comprises a laminating unwinding assembly, a chip carrying film unwinding assembly, a tough strip unwinding assembly and an indentation assembly which are arranged on the rack; the waste treatment mechanism comprises a removing assembly and a winding assembly; according to the invention, the tough strips can be embedded in the electronic tag, the toughness of the electronic tag is increased, the electronic tag is prevented from curling, the service life of the electronic tag is prolonged, the distance between the two tough strips can be adjusted, the electronic tags of different specifications can be produced, the automation degree is high, the structural linkage is good, the electronic tags can be automatically produced in batches, and the production efficiency is improved. The technical problems that a traditional long-strip-shaped luggage strip RFID electronic tag is prone to curling after being used for a long time, and long-term repeated use is not facilitated are solved.

This utility model relates to the field of busbar technology, and particularly to a high-temperature resistant insulating busbar. A high-temperature resistant insulating busbar includes a busbar conductor, the outer surface of which is coated with ceramic silicone, the outer surface of which is coated with fiberglass cloth or a polyimide film, and the outer surface of which is coated with a polyamide insulating layer. This utility model utilizes the complementary properties of polyamide and ceramic silicone to solve the problem of decreased mechanical properties and loss of insulation performance of traditional materials at high temperatures. Through the development of special pretreatment and composite processes, the interfacial bonding force between polyamide and ceramic silicone is enhanced, preventing delamination and peeling under high-temperature thermal stress. This achieves a uniform and dense coating of the insulating layer on the busbar surface, eliminating defects such as bubbles and impurities, and ensuring that the busbar still possesses reliable insulation performance and mechanical strength under high-temperature environments.