59 results about "Nylon mesh" patented technology

The utility model relates to a windproof breathable car cover. The vehicle cover is composed of a plurality of cover forming pieces, a front stabilizing assembly, a rear stabilizing assembly, a front elastic assembly and a rear elastic assembly. The overclothes composition pieces comprise an overclothes top piece, a right side piece, a left front piece and a left rear piece and cooperatively wrap a vehicle, the right side piece and the left rear piece are provided with ventilation positions, ventilation holes, high-strength nylon mesh cloth and waterproof and breathable ventilation opening covering cloth, and ventilation, heat dissipation and waterproofness are guaranteed. Invisible zipper ear caps are arranged on the right side piece and the left front piece and can adapt to the positions of rearview mirrors of different vehicle types. The front stabilizing assembly and the rear stabilizing assembly are connected in a three-point mode through adjustable braid inserting buckles, and the vehicle cover is stabilized. The length of the car cover can be flexibly adjusted through telescopic adjusting braid inserting buckles of the front elastic assembly and the rear elastic assembly. The car cover effectively solves the problems of wind resistance, ventilation, universality and size adjustment of an existing car cover, and is widely suitable for outdoor parking, severe weather, long-term parking, night parking and other scenes.

This invention relates to a wearable, integrated, self-powered pressure sensing device based on a flexible zinc-sodium hybrid battery and its fabrication method. The device includes an integrated sensor and a signal processing unit. The integrated sensor comprises a sensing layer, a shared positive electrode layer, and a battery layer arranged sequentially from top to bottom. The signal processing unit is connected to the sensing layer, the shared positive electrode layer, and the battery layer. This invention effectively overcomes the challenges of baseline instability and mechanical failure of flexible devices in complex environments by leveraging the sensitivity enhancement effect of MXene nanosheets, the zero-drift control technology of nylon mesh, and the low-temperature antifreeze mechanism of ethylene glycol (EG). This invention opens up a key path from "modification of basic electrochemical materials" to "portable terminal system applications," truly realizing portable, wide-temperature-range, and long-life in-situ online monitoring of human physiological signals, providing a new design paradigm for the engineering implementation of next-generation high-performance, low-power wearable sensing systems.

The present application relates to the field of environmental analysis, in particular to a forest litter decomposition rate estimation method, system, device and storage medium. The present application aims at the problems of long cycle, great environmental influence, time-consuming and laborious of the existing nylon mesh bag method for determining the forest litter decomposition rate, and the problem of being unable to carry out decomposition research on large-scale forests, and provides a forest litter decomposition rate estimation method, system, device and storage medium, measures and calculates the current year input of the forest litter p and the annual input increment, determines the residual rate constant r of the forest litter through experimental method or searching for relevant data in the past, and combines the residual rate constant r with the OLson single index decomposition model of the forest litter to establish a solution equation of the forest litter decomposition rate. This method has short cycle, does not need to be measured in the field regularly and frequently, has small environmental influence, the parameters and variables in the equation are easy to obtain, time and labor are saved, and decomposition rate research can be carried out on large-scale forests.

The utility model relates to electronic equipment technical field, especially a kind of sound production device and earphone. The sound production device includes shell, nylon net and silica gel net, the shell is provided with sound production hole, installation cavity is formed at the sound production hole;The nylon net is clamped in the installation cavity, and the nylon net completely covers the sound production hole;The silica gel net is set to the side of the nylon net away from the sound production hole, the silica gel net is clamped in the installation cavity, and the silica gel net completely covers the nylon net. The earphone includes the sound production device described above. The earphone of the above-mentioned sound production device can effectively prevent dirt from entering the sound production hole of the earphone, which is beneficial to ensure the cleanliness of the sound production hole of the earphone and prolong the service life of the earphone.

This utility model discloses a device for cleaning and salvaging floating objects on water, including a float assembly and a nylon net (5). The nylon net (5) is set below the float assembly. The float assembly includes at least two floats (3), at least one left-side brush float (1), and at least one right-side brush float (4). The two ends of the floats (3) are provided with interlocking modular structures, and the modular structures are provided with through holes (7) and threaded holes (8). The left-side brush float (1) and the floats (3), the two adjacent floats (3), and the floats (3) and the right-side brush float (4) are connected as a whole by threaded pins (2). The float assembly and the nylon net (5) are connected to the aqueduct, aqueduct (13), or ship compartment by cables (10). When the ship lift is not in operation, the device of this application is placed in the ship lift aqueduct, aqueduct, or ship compartment to collect floating objects on water by active capture or passive interception.

The utility model discloses a coalescence filter element, and relates to the technical field of filter elements, the coalescence filter element comprises a filter element assembly and a supporting mechanism installed in the filter element assembly, the filter element assembly comprises a filter pipe, the outer wall of the filter pipe is sleeved with a coalescence layer, the outer wall of the coalescence layer is sleeved with a nylon net, and the nylon net is arranged on the outer wall of the filter pipe. A plurality of through holes which are distributed at equal intervals are formed in the outer wall of the filter pipe. The coalescence layer is arranged on the outer wall of the filter pipe, the coalescence layer is formed by combining the wood pulp paper and the wave fiber layer, and a double-V-shaped combination mode is adopted at the bonding position of the wood pulp paper, so that an original double-sided bonding mode is changed into a four-sided bonding mode, the stability of the bonding position of the wood pulp paper is improved, and the service life of the filter pipe is prolonged. The problem that the bonding position of existing wood pulp paper is prone to glue failure is solved.

The utility model belongs to the technical field of earthworm breeding, and particularly relates to a breeding frame for breeding earthworms, which comprises a support frame, a plurality of supporting frames and a plurality of supporting frames, a cover plate is arranged at the top of the anti-escape frame, and the bottom of the anti-escape frame is fixed to the supporting frame through bolts; limiting holes are formed in the middles of the cover plates. The periphery of the nylon net is pressed between the supporting frame and the anti-escape frame, and the middle of the nylon net naturally droops and penetrates through the avoiding opening; a clamping plate is arranged on the supporting plate, and two symmetrical vent pipes are vertically arranged on the clamping plate; the bottom of the vent pipe penetrates through the clamping plate and the bottom of the nylon net and is fixed with the supporting plate through nuts; a connecting plate is arranged at the top of the vent pipe; a connecting ring is arranged on the upper surface of the connecting plate; the motor is located on the cover plate, and an output shaft of the motor is connected with a wire spool; a pull rope on the wire spool penetrates through the limiting hole downwards and is connected with the connecting ring. The earthworm breeding device can solve the problem that the growth of earthworms is affected due to the fact that the oxygen content in breeding feed is gradually reduced along with time, and has good market application prospects.

This utility model discloses a fluorocarbon-free packaging paper. The utility model includes a paper base layer: a first waterproof layer is disposed on the top of the paper base layer, and a second waterproof layer is disposed on the bottom of the paper base layer. A nylon mesh and a degradation layer are disposed on the top of the first waterproof layer. With this utility model, users can tear the food packaging paper along the creases to expose the nylon mesh inside the food packaging paper. Pulling the nylon mesh then cuts the food packaging paper, thereby destroying the oil-proof layer. This breaks down the overall structure of the paper base layer, the first waterproof layer, the second waterproof layer, the reinforcing layer, and the oil-proof layer, allowing them to fully contact the outside environment and increasing the degradation rate of the food packaging paper. Furthermore, the waterproof adhesive, the first oil-proof adhesive, the second oil-proof adhesive, and the oil-proof layer are disposed on the food packaging paper, preventing the food packaging paper from being soaked in oil or water. The nylon mesh facilitates the separation of the printed layer and the food packaging paper, promoting the degradation of the food packaging paper.

The utility model discloses a water ecological environment biodegradation repairing device which comprises a floating frame, the extension part comprises a nylon net frame, a spring, a moving groove, a pressing plate, a guide rod, a guide hole and a moving block, the nylon net frame is connected to the bottom of the floating frame, the moving groove is formed in the floating frame, and the moving block is connected to the upper portion of the outer surface of the nylon net frame and movably connected to the interior of the moving groove; the guide rod is connected to the inner surface of the moving groove, and the guide hole is formed in the middle of the moving block. When the device is actually used, the storage capacity of the floating net cage is limited, when floating plants in the floating net cage are increased to a certain amount, the floating plants are extremely easy to overflow and are difficult to adjust adaptively according to the accumulation condition of the floating plants, and the internal space of the net cage cannot be utilized reasonably and effectively, so that the collected floating plants are scattered back to a water area again; therefore, the efficiency and the quality of water ecological environment biodegradation restoration work are influenced.

The invention discloses a construction method of a desert road composite sand prevention system, which belongs to the technical field of desert road sand prevention, and comprises the following steps of: measuring and paying off sand on two sides of a roadbed, and laying a composite system consisting of grass checkered sand barriers and high standing sand barriers; the reeds soaked with the bio-based sand solidification agent are laid to form grass checkered sand barriers, and the reeds are pressed into a sand layer; a high vertical sand barrier is arranged on the outer side of the grass checkered sand barrier, the high vertical sand barrier is formed by combining reed bundle sand barriers and PE nylon net sand barriers at intervals, and the surface of the PE nylon net is coated with an anti-ultraviolet composite coating; the high-standing sand barrier takes a timber pile as a stand column, and a wind speed sensor and a wind erosion flux sensor are mounted at the top of the timber pile; during construction, a fireproof isolation belt filled with a flame-retardant ecological blanket is arranged in the direction of a route. Through composite arrangement of the grass checkered sand barriers and the high standing sand barriers, a multi-layer and three-dimensional wind prevention and sand fixation structure is formed, the near-surface wind speed is effectively reduced, starting and transportation of sand grains are inhibited, and the overall wind erosion resistance of the system is remarkably improved.

This utility model relates to a seamless steel pipe for ultra-low temperature alloy structures with rust-proof function, comprising a steel base pipe, an outer wall of which is provided with a corrosion-resistant layer, an outer layer of which is provided with a water-proof layer, and an outer layer of which is provided with a wear-resistant layer. This seamless steel pipe for ultra-low temperature alloy structures with rust-proof function comprises, from the inside out, a steel base pipe, a galvanized metal layer, a fiber reinforcement layer, a water-proof layer, and a wear-resistant layer. The galvanized metal layer is hot-dip galvanized and directly adheres to the surface of the steel base pipe, filling the microscopic defects of the matrix and making the pores smaller. The fiber reinforcement layer is a glass fiber braided layer, with the glass fiber braided layer interlaced at 45° and bonded to the galvanized metal layer with epoxy resin. The mesh skeleton is a nylon mesh, and the water-proof adhesive layer is a butyl rubber / polyurethane composite adhesive. The nylon mesh is embedded in the middle of the water-proof adhesive layer, which can enhance the shear deformation resistance of the water-proof layer.

The utility model provides adjustable isolation net rack for corn inbred line isolation seed production relates to corn inbred line isolation seed production field, include: a plurality of support frame, a plurality of support frame's top is provided with height adjusting mechanism, the height adjusting mechanism includes a plurality of adjusting sliding slot, a plurality of telescopic stand, a plurality of first threaded hole, a plurality of first locking screw, a plurality of support subassembly and a plurality of ground -grabbing subassembly, fixed mechanism is located in the side wall of support frame and height adjusting mechanism, the scheme, through setting height adjusting mechanism, can be convenient according to the height of corn's growth to the height of isolated surrounding direct telescopic regulation heightening, thereby reached without replacing the net rack of different height to carry out isolated surrounding, simple operation is convenient time -saving and labor -saving, effectively improve the purpose of use convenience, and through setting fixed mechanism, can be convenient according to the use need to the nylon net or screen is convenient magnetism suction adsorption fixed, thereby reached the purpose of effectively further improving use convenience.

The utility model discloses anti-deformation high-cleanness bobbin paper, and relates to the technical field of textile. The anti-deformation high-cleanliness bobbin paper comprises a bobbin paper body and a lining, the bobbin paper body is installed at the upper end of the lining, a waterproof layer is arranged at the top end of the bobbin paper body, a pressure-resistant mechanism is arranged on the inner wall of the lining, a flame-retardant layer is arranged at the lower end of the lining, and a wear-resistant layer is arranged at the lower end of the flame-retardant layer. The strength of the bobbin paper body is improved through the nylon net in the pressure-resistant mechanism, so that the bobbin paper body is not prone to being torn, when the bobbin paper body is extruded, force is guided into the lining, the pressure is evenly transmitted to the nylon net through the rubber rod to be relieved, the buffering performance of the bobbin paper body can be enhanced, and the bobbin paper body is not prone to being torn. Therefore, the bobbin paper is prevented from deforming after being extruded by a machine or the outside.

The utility model discloses a platelet rich plasma preparation device which comprises a vacuum tube, a permeation tube and a pipeline communicated with the vacuum tube and the permeation tube, the vacuum tube is a cylindrical hollow tube, the top of the vacuum tube is provided with a pressing plug capable of being pressed, and the pressing plug is provided with an area for inserting a blood drawing needle. A first membrane assembly with the aperture of 0.2-5 microns is arranged in the vacuum tube, and the first membrane assembly comprises a first membrane layer, a coating layer arranged on the bottom surface of the first membrane layer and a nylon net arranged at the bottom of the coating layer; the permeation tube is U-shaped, an inlet and an outlet are respectively arranged at two ends of the U-shaped permeation tube, a hollow fiber membrane is arranged in the permeation tube, the hollow fiber membrane is bent to have a radian consistent with the appearance of the permeation tube, two ends of the hollow fiber membrane are respectively connected with the inlet and the outlet, and the molecular weight cut-off of the hollow fiber membrane is 2-40,000 Daltons. A waste discharge port is formed in the permeation pipe. According to the utility model, the preparation efficiency is improved, and high-concentration PRP (platelet rich plasma) can be obtained under the condition of less blood consumption.

The utility model belongs to the technical field of packaging boxes, and particularly relates to a honeycomb lining special-shaped structure packaging box which comprises a box body, a honeycomb bearing piece used for flexible protection is arranged in the box body, and a containing cavity attached to the appearance of a packaged product is arranged in the honeycomb bearing piece. The buffer sponge layer is arranged on the outer side of the box body and used for providing buffer protection for the box body; the nylon net reinforcing layer is arranged on the outer side of the buffer sponge layer and used for improving the overall toughness and avoiding tearing; the paperboard layer is arranged on the outer side of the nylon net reinforcing layer; the waterproof layer is arranged on the outer side of the paperboard layer and is used for preventing water; the buffering sponge layer can provide buffering protection for the box body, the nylon net reinforcing layer can improve the overall toughness and avoid tearing damage, the waterproof layer is arranged to play a waterproof role, and the anti-slip layer is arranged to increase the friction force and prevent the paper from slipping off when the paper is taken.

The invention provides an edging bonding paper-plastic product production device and process, and relates to the technical field of paper-plastic product processing, the edging bonding paper-plastic product production device comprises a food-grade PVC conveying belt (with a raw material conveying rack), and a crossed linear guide rail I / II realizes accurate displacement of a coating assembly (a polyurethane scraper); the silk screen assembly is provided with a nylon screen plate, the upper press-fit air cylinder is provided with a silica gel layer, the lower press-fit die comprises a chamfer profiling concave cavity, and the lower demolding air cylinder is provided with a stroke limiting function. The process comprises the following steps of: pre-trimming a paper-plastic plate raw material, conveying and positioning the raw material by a mechanical arm, finishing silk-screen printing glue by a coating assembly, driving press-fit forming by an upper press-fit cylinder, and realizing safe demolding by a lower demolding cylinder, so that efficient production is finally realized, and a product is ensured to be free from dislocation and imprint; and the bonding is accurate.

The utility model discloses a safety protection net for building construction, and belongs to the technical field of safety protection of building construction. Comprising a first cross rod, a second cross rod and a nylon net, connecting rods are detachably installed between the two ends of the first cross rod and the two ends of the second cross rod, the connecting rods are perpendicular to the first cross rod and the second cross rod, two sets of fixing pieces are fixed to the first cross rod, and a plurality of tension springs are fixed between the fixing piece on one side and the first cross rod; and the nylon net bypasses the second cross rod, and the same side ends of the nylon net are detachably mounted on the two groups of fixing pieces respectively, so that the technical effects that the protective net is convenient to disassemble and assemble, the overall portability is improved, and the protective effect can be improved through the double-layer nylon net are achieved.

The utility model relates to the field of container structures, in particular to a sample storage device for food and drug detection. The storage device comprises a leaked liquid collecting box, a nylon net, a metal net side frame and a bottom plate, and a plurality of leaked liquid through holes are formed in the bottom plate. The liquid leakage through holes in the metal net side frame and the bottom plate can effectively ventilate, and deterioration caused by moisture is avoided; due to the arrangement of the liquid leakage through hole, sample pollution caused by liquid accumulation is avoided; the partition plates meet the split charging requirements of samples of different sizes, and the space utilization rate is increased; nylon nets on the surfaces of the partition plates effectively reduce sample collision damage; the leaked liquid collecting box and the bottom plate are quickly assembled / disassembled through a buckle-bayonet structure, the cleaning and maintenance process is simplified, and meanwhile, the leaked liquid collecting box prevents liquid from overflowing.

This utility model provides a cleaning and dust removal machine, including a machine body, an upper cleaning section, and a lower cleaning section. A material channel is formed between the upper and lower cleaning sections. The upper and lower cleaning sections are respectively equipped with a first dust removal device and a second dust removal device. The lower cleaning section includes a mounting frame, a conveying nylon mesh plate, a transmission chain, and a transmission rod. The transmission rod is disposed between the mounting frames. The conveying nylon mesh plate is laid on the connecting rod and rotates under the drive of the transmission chain. The second dust removal device is disposed in the accommodating space. The conveying nylon mesh plate is laid on the connecting rod, and the transmission chain, in conjunction with the connecting rod, rotates the conveying nylon mesh plate. The connecting rod supports the conveying nylon mesh plate. The conveying nylon mesh plate has surface contact with the material, which increases the durability of load and friction, extends the service life, and avoids the technical problem of deviation. The built-in second dust removal device works simultaneously with the first dust removal device to perform efficient dust removal on the products passing through the material channel.

A dual-surfaced exfoliating and cleansing cloth is disclosed, comprising a first side formed of knotted nylon mesh with raised, interlocking knots configured to exfoliate the skin through rolling friction, and a second side formed of a soft, absorbent fabric such as a bamboo-cotton blend or microfiber textile for gentle cleansing. The cloth may be reusable, machine-washable, quick-drying, and resistant to microbial growth. It can be used to treat common skin conditions including acne, keratosis pilaris, and hyperpigmentation by combining effective exfoliation with skin-safe cleansing in a single article. A corresponding method of manufacturing the cloth is also disclosed, involving the formation of a uniform knotted nylon mesh and integration with a soft textile layer.

This invention relates to the field of fecal testing, and more specifically, to a method for detecting human parasitic pathogens without the use of slides and coverslips, comprising the following steps: Step 1, adding an appropriate amount of water to the culture wells of a cell culture plate, placing an appropriate amount of feces in the water of the culture well and stirring evenly; Step 2, cutting a piece of textile or nylon mesh of similar size to the culture well and placing it into the culture well to isolate the fecal residue and fecal liquid from each other; Step 3, after stirring and mixing the fecal liquid, transferring the fecal liquid to the culture wells of a new cell culture plate, covering it with the cell plate cover, and examining it under a microscope using an inverted microscope.

The application discloses a touch-controlled atomizer, which comprises a suction nozzle and at least one piezoelectric sensor mounted on the suction nozzle, the piezoelectric sensor is used for collecting the touch of the user on the suction nozzle to control the power of the atomizer, the piezoelectric sensor comprises a surface layer, an inner layer and a shielding layer, the surface layer comprises an electrode and a nanofiber membrane made of polyvinylidene fluoride, the electrode is etched on the front surface and the back surface of the fiber membrane; the inner layer is prepared by doping carbon nanotubes in a polyvinylidene fluoride-trifluoroethylene copolymer film through a solution casting method; the shielding layer is arranged between the surface layer and the inner layer and is used for grounding, and the shielding layer is a silver-plated nylon net. The piezoelectric sensor senses the pressure generated by the touch of the user's lips on the atomizer suction nozzle and produces corresponding electric signals to control the power of the atomizer.

An oil pressing disc sealing device comprises a sealing body, a fixing assembly and a supporting reinforcing layer, the sealing body is made of foaming silica gel, the sealing body is square, and mounting holes are symmetrically distributed in the edge of the sealing body; the fixing assembly comprises a plurality of pressing strips and fixing bolts, the pressing strips are long-strip-shaped, through holes are formed in the surfaces of the pressing strips, and the through holes are aligned with the mounting holes of the sealing body and fixedly connected with the mounting holes through the fixing bolts; the supporting reinforcing layer is embedded into the sealing body, is made of nylon gridding cloth, is compounded with the foaming silica gel to form a layered structure and is used for enhancing the deformation resistance of the sealing body. Compared with the prior art, the sealing performance, the structural stability, the durability and the lubrication management are obviously better, the operation stability of industrial equipment can be effectively improved, the maintenance cost is reduced, and the service life of the equipment is prolonged.

The utility model relates to the technical field of electric heating equipment, and discloses a non-carbon crystal electric heating paper structure which comprises a graphene heating layer, the bottom layer of the graphene heating layer is bonded with a first PET material layer, and the bottom layer of the first PET material layer is bonded with a first PVC material layer. According to the non-carbon crystal electric heating paper structure, the first nylon screen cloth and the second nylon screen cloth are in an embedded state, the high strength and abrasion resistance of nylon materials are utilized, large pulling force and friction force can be borne, then the phenomenon that the whole material layer is wrinkled in the laying process can be avoided, and the service life of the whole material layer is prolonged. The nylon mesh cloth I and the nylon mesh cloth II are woven, so that a user can select colors, the appearance diversification is increased, meanwhile, the heat insulation material layer is made of a rock wool board, and the rock wool board has the advantages of light weight, good fire resistance, high temperature resistance, sound absorption and small heat conductivity coefficient and is used as a heat insulation material; and in addition, the sound insulation effect can be indirectly achieved in the laying process.

The invention discloses a sand sampling device for geological exploration, which belongs to the technical field of geological exploration and comprises a rack, a mounting plate is vertically and slidably mounted on the side edge of the rack, and a lifting mechanism for driving the mounting plate to lift is arranged at the top end of the rack. The sampling barrel is sleeved with the nylon net barrel, the bottom end of the nylon net barrel is used for blocking the bottom end of the sampling barrel, and the position of the bottom end of the nylon net barrel is precisely limited through the lifting rope, so that the nylon net barrel is automatically and synchronously released along with depth extension of the sampling barrel in the sampling process; the sand samples with different depths can be completely collected in the nylon net barrel in sequence, the continuity of collection and storage is guaranteed, the sand samples do not make contact with the inner wall of the sampling barrel, the problem that the sand samples adhere to the inner wall of the sampling barrel is fundamentally avoided, meanwhile, the sand samples are independently stored in the nylon net barrel in the whole process, the nylon net barrel is a disposable article, and the sand samples are not prone to falling off. And the problem of sample cross contamination during sampling at different depths and in different areas is effectively avoided.

This invention belongs to the field of soil microecology technology, specifically relating to a soil-grown mesh bag assembly for isolating roots and mycelia, and its preparation method. The mesh bag assembly includes large-pore, medium-pore, and small-pore mesh bags. The large-pore mesh bags are made of large-pore nylon mesh, the medium-pore mesh bags are made of medium-pore nylon mesh, and the small-pore mesh bags are made of hydrophilic composite filter membrane cloth. The sidewalls of the medium-pore and small-pore mesh bags are equipped with a composite sealing structure. This invention also provides a gradient isolation method for in-situ soil cultivation using this mesh bag assembly, and the corresponding preparation method. This invention, through multi-pore gradient design and a composite sealing structure, achieves selective physical isolation between roots and mycelia within the soil, highly restoring the in-situ microecological environment. It effectively solves technical problems such as root leakage during sewing and adhesive detachment, improving the effectiveness of experimental samples. It is suitable for in-situ cultivation research of various soil microecological systems and has broad scientific research application value.

The utility model provides a stone dumping device with a nylon net bag, which is arranged on a floating crane positioning ship, is connected with a crane on a ship body and comprises a device body, the nylon net bag, a main cable system and an auxiliary cable system, the device body comprises a box body and a nylon net bag, turning plates are rotationally hinged to the edges of the two opposite sides of the bottom of the box body respectively, and the crane controls the box body to ascend and descend through a floating crane main cable and controls the turning plates to be opened and closed through a floating crane auxiliary cable. The problems that the procurement cost of a professional caisson ship is higher than the transformation cost of the professional caisson ship, the professional caisson ship cannot be popularized and applied according to local conditions, and secondary hoisting of a nylon net bag can cause damage as the scheme of loading on land and transporting to a throwing ship for throwing are solved; the problems that due to the influence of water flow, throwing is not accurate, a nylon net bag rolls on a riverway and is damaged, block stones overflow and cannot form an integral structure, and accumulation or missing throwing occurs are solved through the scheme that the block stones are thrown into water through an excavator.

The utility model relates to sand control grid device technical field, and disclose a kind of desert control PVC grid device, including several first sand prevention net and second sand prevention net, the first sand prevention net and the second sand prevention net are all cross perpendicular arrangement, the utility model is provided with first sand prevention net and second sand prevention net, wherein first sand prevention net and second sand prevention net are made of high-quality PVC material, itself has very strong ultraviolet resistance, high and low temperature resistance, saline-alkali resistance, wind erosion resistance, first sand prevention net and second sand prevention net are vertically cross set and form sand prevention grid, the side of first sand prevention net and second sand prevention net is evenly provided with several spinning net grounding assembly, wherein the grounding plug pole in spinning net grounding assembly can be deeply inserted into desert, further improve the stability of the device, improve its wind resistance, compared with ordinary grass square and nylon net, longer service life is used, and stability is higher.

The utility model provides intelligent cutting fluid circulating supply equipment for gear machining, which relates to the field of gear machining and comprises an integral mechanism, and a group of moving mechanisms are fixedly mounted on the outer wall of the integral mechanism. The integral mechanism comprises a box body, the inner wall of the box body is connected with a group of sealing gaskets in a sliding manner, the inner walls of the sealing gaskets are respectively and fixedly connected with a metal filter screen and a nylon filter screen, and the outer wall of the box body is fixedly connected with a group of first sliding rods. According to the cutting fluid filtering device, large-particle impurities are intercepted, a nylon filter screen is matched, tiny cuttings are further removed, secondary filtering is achieved, pollution and deterioration of cutting fluid are effectively slowed down, meanwhile, the two layers of filter screens are limited and fixed by means of a first sliding rod, a compression spring, a rotating shaft and a baffle, stable work of the filter screens in a box is ensured, and in addition, the filter screens are provided with handles so that a user can quickly disassemble and assemble the filter screens conveniently. Cleaning and replacing operations are easily completed, and maintenance is simple, convenient and efficient.

This utility model relates to the field of boots, and more particularly to a desert boot that is sand-proof, insect-proof, and has an expansion function, including a boot body and a protective expansion structure. The protective expansion structure includes a support sleeve sewn to the inner wall below the top opening edge of the boot body. The blocking layer sewn to the top edge of the support sleeve is made of nylon mesh. Tightening the tightening strap allows the blocking layer to fit snugly against the leg, effectively preventing sand and insects from entering the boot, and the tightening strap can be adjusted to ensure a tight seal. A webbing strip on the outside of the support sleeve, in conjunction with a buckle, allows for the hanging of external supplies. The storage bag is detachable via Velcro, allowing users to easily install or remove it as needed. The internal divider of the storage bag can hold insect repellent tablets to reduce surrounding insects. This utility model effectively solves the problems of poor sand and insect protection and inconvenience in carrying supplies in desert environments.