436 results about "Warp knitting" patented technology

The invention discloses a glass fiber reinforced plastic wiredrawing plate and a processing method thereof, the glass fiber reinforced plastic wiredrawing plate comprises a glass fiber reinforced plastic plate matrix, the glass fiber reinforced plastic plate matrix comprises a fiber reinforced matrix layer and a gel coat layer on at least one surface of the fiber reinforced matrix layer; at least one surface of the glass fiber reinforced plastic plate substrate is provided with a wire drawing structure; the fiber-reinforced matrix layer is formed by infiltrating fibers in matrix layer resin, and the fibers in the fiber-reinforced matrix layer are fiber chopped yarns; and any one or combination of fiber continuous yarns, fiber surface felts, fiber felts, fiber stitch-bonded felts, fiber composite felts, fiber cloth, fiber multi-axis cloth, fiber warp-knitted cloth, fiber composite cloth and fiber woven products. By arranging the wire drawing structure, the surface roughness is improved so as to enhance the bonding force, and the pollution and bonding problems caused by mechanical polishing are avoided; the processing method simplifies the process, reduces the cost, does not need complex corona treatment, provides a good contact surface for bonding of the glass fiber reinforced plastic plate and other materials, and guarantees the bonding effect.

The invention discloses a jacquard vamp material based on bio-based degradable polylactic acid (PLA) and a preparation method thereof, and relates to the technical field of shoe materials. The jacquard vamp material is of a three-layer jacquard structure formed by integrally weaving PLA composite filaments through a jacquard warp knitting machine. The PLA composite filament is prepared from the following raw materials in parts by weight: 80-95 parts of polylactic acid (PLA) slices, 5-15 parts of poly (butylene adipate / terephthalate) (PBAT), 3-8 parts of a flexibilizer, 1-3 parts of a compatilizer, 0.5-2 parts of an anti-hydrolysis agent and 0.5-1.5 parts of a lubricant. According to the invention, the bio-based PLA is used as a main raw material and is matched with degradable auxiliaries such as PBAT, so that the whole vamp material can be completely biodegraded under a composting condition, the problem of environmental pollution of a traditional vamp is fundamentally solved, and meanwhile, through blending modification of PBAT and the flexibilizer, the flexibility and impact resistance of the PLA material are remarkably improved, and the vamp material has good application prospects. The requirements of the vamp material on softness, wear resistance and durability can be met.

A piezoelectric jacquard device for a warp knitting machine comprises a novel base, a novel bimorph, a plug assembly, a shield assembly, a cable bundle assembly, a pouring sealant, a grounding screw, a novel guide needle assembly, a stainless steel front blocking tooth assembly, a rotating shaft, a rotating shaft cover plate, a cover plate fixing screw and a front blocking tooth fixing screw. Wherein the novel yarn guide needle assembly comprises a plastic clamping sleeve and a novel yarn guide needle, and the stainless steel front blocking tooth assembly comprises stainless steel upper blocking teeth and stainless steel lower blocking teeth. One end of the novel bimorph is limited and fixed in a rear blocking tooth of the novel base, and the other end of the novel bimorph is limited in a bimorph swing limiting groove in the novel yarn guide needle assembly to form flexible hinge connection; the novel yarn guide needle assembly is matched and positioned with the rotating shaft through a rotating shaft positioning hole in the novel yarn guide needle assembly; a novel yarn guide needle of the novel yarn guide needle assembly is limited up and down and left and right in a yarn guide needle limiting groove in the stainless steel front blocking tooth assembly.

The utility model relates to the technical field of warp knitting machines, in particular to a pattern bar steel wire transverse moving mechanism of a two-needle bar warp knitting machine, which comprises a guide bar spindle, a connecting piece, a swing arm component, an air cylinder component, a guide bar component and a servo component, the guide bar spindle is rotatably connected with a warp knitting machine frame, and the swing arm component is fixedly connected with the warp knitting machine frame. The output end of the swing arm assembly is in transmission connection with the guide bar main shaft, the swing arm assembly is used for providing power for rotation of the guide bar main shaft, the air cylinder assembly, the guide bar assembly and the servo assembly are sequentially arranged on the guide bar main shaft from left to right, and a connecting piece sequentially passes through the air cylinder assembly, the guide bar assembly and the servo assembly. The air cylinder assembly, the guide bar assembly and the servo assembly are all arranged on the guide bar main shaft, so that the air cylinder assembly and the servo assembly at the two ends synchronously swing in the process that a pattern comb steel wire transversely moves and swings, it is guaranteed that the pattern comb steel wire, a steel belt and a steel wire rope are always located on the same straight line in the working process, and the transverse moving precision of each time of transverse moving of the pattern comb steel wire is improved.

The invention discloses a production method of a cool-feeling antibacterial PA66 chinlon filament, and belongs to the technical field of chemical fiber manufacturing. According to the method, PA66 slices are used as raw materials and matched with jade cool-feeling master batches and a septol antibacterial oil agent (the effective component is OPHB), and the PA66 polyamide filament with the cool-feeling antibacterial effect is prepared through the process steps of slice and master batch mixing, melt spinning, side blowing cooling, oiling, drafting and winding and the like. The cool-feeling antibacterial PA66 chinlon filament produced by the invention not only has excellent physical properties (the fineness is 40-50 dtex, the breaking strength is greater than or equal to 3.5 cN / dtex, and the elongation at break is 36-46%), but also has long-acting antibacterial property (the antibacterial rate to escherichia coli and staphylococcus aureus is greater than or equal to 99%, and the antibacterial rate after 50 times of washing is still greater than or equal to 98%) and stable cool feeling (the cool feeling value Q-max is greater than or equal to 0.2 W / (m.K)), and is safe, non-toxic, environment-friendly, simple in process and low in cost. The method is suitable for the field of close-fitting textiles such as warp knitting, weft knitting and hosiery knitting, and the industrial applicability is high.

The invention relates to the technical field of fabric production, in particular to a warp knitting machine double-drive tension control winding method and system.The method comprises the steps that woven fabric sequentially passes through a traction roller, a transition roller, a tension roller, a first friction roller and a second friction roller and is wound by a winding mechanism; the first friction roller and the second friction roller are driven respectively and are synchronized with the virtual main shaft through an electronic gear; the tension roller is used for detecting the tension on the fabric; calculating tension deviation according to the tension signal of the tension roller and preset target tension, and generating control output by adopting a PID (Proportion Integration Differentiation) control algorithm; and calculating a real-time adjusting quantity according to the control output, and superposing the real-time adjusting quantity to the synchronous rotating speeds of the first friction roller, the second friction roller and the virtual main shaft. The tension fluctuation can be effectively restrained, it is guaranteed that the fabric is stably stressed in the whole rolling process, and the compactness consistency and flatness of a cloth roll are improved. The winding rotating speed and tension parameters can be set and adjusted on line through programs, and mechanical gears do not need to be replaced.

The invention is suitable for the field of safety net production, and provides a safety net warp knitting machine which comprises a warp knitting machine body, a body integrated controller, a tension detection unit, a needle bed execution unit, a knit defect monitoring unit and an execution driving unit. The core is that an intelligent tension dynamic adjusting module, a mesh specification parameterization adaptation module and a multi-mode knit defect early warning and self-repairing module are arranged in the controller; according to the invention, the intelligent tension dynamic adjustment module corrects control parameters in real time through a self-adaptive PID algorithm, and tension fluctuation is controlled within + / -0.5 N; the mesh specification parameterization adaptation module and a needle bed are subjected to closed-loop positioning through a pre-stored parameter library, and the specification switching time is smaller than or equal to 5 minutes; according to the multi-mode knit fault early warning and self-repairing module, through image + laser sensor multi-source fusion, the knit fault detection rate reaches 100%, and the slight knit fault self-repairing success rate is larger than or equal to 90%. The three-level module cooperates with hardware, safety net weaving precision, production flexibility and intelligent level are remarkably improved, and the system is suitable for efficient batch production of safety nets of multiple specifications.

The invention relates to the technical field of fabric performance detection, and provides a composite fiber warp-knitted fabric antibacterial and air permeability detection method and system, and the method comprises the steps: obtaining first original performance measurement information and second original performance measurement information of a to-be-detected fabric; according to the influence degree of the environmental factors on the first performance measurement path, correcting the first original performance measurement information to obtain corrected first performance measurement information; according to the influence degree of the environmental factors on the second performance measurement path, correcting the second original performance measurement information to obtain corrected second performance measurement information; and performing fabric performance evaluation based on the corrected first performance measurement information and the corrected second performance measurement information to complete fabric performance detection. The method has the effect of improving the accuracy and reliability of antibacterial and air permeability detection of the composite fiber warp-knitted fabric.

The application relates to the technical field of jacquard cloth processing, improves the problem that the concave-convex pattern exists on the inner surface of the existing jacquard cloth after processing and influences the skin feeling, discloses 3D jacquard cloth with fishing line interlayer and a warp knitting machine, which comprises a base tissue layer and a jacquard layer, the jacquard layer comprises at least a first jacquard layer and a second jacquard layer, the first jacquard layer and the second jacquard layer are sequentially knitted on the base tissue layer, the first jacquard layer is knitted by elastic threads, the second jacquard layer is knitted by common yarns, the second jacquard layer comprises pattern tissues and mesh tissues, and the pattern tissues and the mesh tissues cooperate to form a jacquard pattern. The application can form effective spacing between the inner and outer layers of cloth through the intermediate elastic threads, the jacquard cloth can be directly used as the fabric of clothes or shoes, and an inner lining is not needed.

The invention provides a braided fabric and a knitting method thereof, a vamp and a footwear product, the braided fabric is formed by one-time knitting of a single-side warp knitting jacquard machine, the braided fabric comprises a first knitting layer 100 and a second knitting layer 200, the first knitting layer 100 and the second knitting layer 200 are integrally formed, and at least one of the first knitting layer 100 and the second knitting layer 200 forms a mesh structure. According to the scheme, the single-face warp knitting jacquard machine is adopted for one-time knitting forming, the expensive equipment cost and the complex debugging process of a traditional two-needle-bed warp knitting machine are abandoned, and the double-face structure effect originally capable of being only woven by the two-needle-bed equipment is achieved on the single-needle-bed equipment through the specific guide bar configuration and knitting mode; and the production equipment threshold and energy consumption are greatly reduced, and good economical efficiency and market competitiveness are achieved.

The application relates to the technical field of textiles, and provides a textile equipment control method, a jacquard warp knitting machine and a storage medium. The textile equipment control method comprises the following steps: in response to a yarn breakage signal, determining whether a current unit pattern is completed, the yarn breakage signal being used for indicating that yarn breakage occurs in the textile equipment; in the case that the current unit pattern is not completed, controlling the textile equipment to continue to weave the current unit pattern, and returning to the step of determining whether the current unit pattern is completed; and in the case that the current unit pattern is completed, controlling the textile equipment to stop. Through the above technical scheme, in the case that yarn breakage occurs in a certain station of the textile equipment, the textile equipment is first controlled to continue to complete the weaving of the current unit pattern, and then the textile equipment is controlled to stop, so that the stopping mark can be controlled outside the unit pattern, thereby avoiding the influence of yarn breakage stopping on the unit pattern of other stations outside the yarn breakage station, and further, the economic loss caused by yarn breakage stopping can be reduced.

The utility model relates to the field of textile machinery, and provides a warp knitting machine polyester anti-static structure which comprises a creel, a mounting frame, a spool, an inserting piece and an anti-static assembly. The creel provides overall load bearing; the plurality of mounting frames are mounted in the vertical direction of the creel at intervals of a preset distance; the plurality of inserting pieces are arranged on the mounting frame and extend along the horizontal direction; each inserting piece is sleeved with a yarn drum, yarn is wound on the surface of each yarn drum, and the yarn penetrates through external weaving equipment in the horizontal direction; the anti-static assembly is installed on the creel, and the yarn drums are arranged at intervals. The device has the effects of preventing yarns from being scraped and avoiding static electricity.

The invention discloses warp knitting fabric crease treatment equipment which comprises a discharging sub-assembly, a pretreatment assembly, a warp-direction treatment assembly, a weft-direction treatment assembly, a heat setting assembly and a collecting assembly which are sequentially arranged in the fabric conveying direction. The warp-direction processing assembly comprises a plurality of groups of action rollers provided with reverse oscillation mechanisms and differential driving mechanisms, and can apply dynamic warp-direction tension and high-frequency oscillation to the fabric; and the weft-direction processing assembly performs weft-direction expanding oscillation on the fabric through an expanding guide rail with an adjustable distance. And the equipment is integrated in the mounting hood, and all functional chambers are isolated, so that the heat and humidity management efficiency is effectively improved. According to the invention, through cooperative mechanical oscillation and differential traction in the warp and weft directions and in combination with controllable steam heat setting, various creases and internal stress generated in production and packaging of the warp-knitted fabric can be efficiently and automatically eliminated, meanwhile, the fabric is prevented from being damaged, and the treatment quality and efficiency are remarkably improved.

The utility model discloses an anti-static warp knitting screen cloth, which relates to the technical field of screen cloth and comprises a cloth layer formed by weaving anti-static fibers. A rough layer is arranged on the outer side of the cloth layer, and an antistatic coating is fixedly attached to the outer side of the rough layer. The anti-static fibers are formed by twisting conductive yarns, soft yarns and wear-resistant yarns, and the conductive yarns, the soft yarns and the wear-resistant yarns are different in thickness; the conductive yarns are carbon fiber yarns, the soft yarns are wool fiber yarns, and the wear-resistant yarns are polyester fiber yarns; the utility model has the advantages that the rough layer is arranged on the cloth layer so as to improve the adhesive force and enhance the connection strength when the antistatic coating is arranged; the anti-static fiber integrates conductive, soft and wear-resistant characteristics, so that the yarn can meet more diversified requirements and is rich in multifunctionality.

The invention relates to the technical field of knitting plush industry production, and discloses a warp knitting plush fabric and a non-full-edge production process thereof, the warp knitting plush fabric comprises the following steps: S1, warping is performed on wool surface yarns and bottom plate yarns, and the total warp number of a bottom plate warp beam is greater than the total warp number of the wool surface warp beam; s2, a wool surface warp beam and a bottom plate warp beam are used for weaving, the weaving width of the bottom plate layer is larger than the use width of the wool surface layer, and the edges of the two sides of the wool gray fabric form plush-free edge areas only composed of the bottom plate layer; s3, slitting the woven plush gray fabric to obtain a single-layer warp-knitted plush gray fabric; s4, the single-layer warp-knitted plush gray fabric is pre-shaped, a plush-free edge area is clamped by a needle plate of a setting machine, and a plush surface layer does not make direct contact with the needle plate; s5, dyeing, drying and shaping the shaped gray fabric in sequence; s6, non-plush edge areas on the two sides of the after-treatment plush cloth are cut and removed. The method has the effect of reducing or avoiding uneven coloring caused by temperature difference.

The invention relates to the technical field of medical textile materials, in particular to an anti-static medical fabric and a preparation method thereof.The anti-static medical fabric comprises an outer layer, a middle layer, an inner layer and carbon fiber grids embedded into the outer layer and the inner layer, the outer layer is made of nanofibers prepared by electrostatic spinning and comprises polyvinylidene fluoride, an F-ZnO / TiO2 composite antibacterial agent, carboxylated carbon nanotubes and grafted quaternary ammonium salt; the middle layer is a chitosan enhanced polytetrafluoroethylene film, and the surface of the middle layer is sequentially coated with a chitosan / silk fibroin transition layer and a polypyrrole conducting layer; the inner layer is a blend fiber fabric and comprises hollow polyester fibers, chitosan microsphere modified cotton fibers and carbon nanotube grafted polyamide fibers; the carbon fiber grids are embedded into the outer layer and the inner layer in a warp knitting mode with the density of 20-24 pieces / cm. According to the antistatic fabric, a four-stage conductive network is formed by the outer-layer carbon nanotubes, the middle-layer polypyrrole, the inner-layer grafted carbon nanotubes and the carbon fiber grids, so that the antistatic performance of the fabric is greatly improved.

The warp knitting machine with the static electricity eliminating function comprises a machine frame body, the machine frame body comprises supporting frames arranged in a bilateral symmetry mode and a cross beam arranged between the tops of the two supporting frames, and the supporting frames and the cross beam are each provided with a plurality of sets of warp beams; the looping mechanism is arranged in the rack main body; the guide bar mechanism is located above the looping mechanism, the guide bar mechanism comprises a plurality of guide bars, a guide bar cradle and a second driving part used for driving the guide bar cradle, and the top of each guide bar is provided with a static electricity eliminator used for eliminating yarn static electricity; and the static electricity eliminator is used for eliminating static electricity of yarns on the guide bar. By integrating the advanced static elimination technology, the yarn can be fully dispersed before entering a knitting area, the phenomena of entanglement and end breakage are avoided, and therefore the production efficiency and the product quality are improved.

The utility model relates to the field of warp knitting machine especially relates to warp knitting machine weft selecting mechanism, including mounting bracket, mounting bracket body is provided with second rotating lever, first rotating lever, mounting rod from top to bottom transversely, a plurality of line clamp plate limiting mechanisms are installed to mounting rod even arrangement transversely, the utility model discloses the accurate lifting of line selection frame is realized through traction mechanism cooperation extension spring, can realize the yarn that different wire bar draws out is selected simultaneously, effectively improved weft selecting precision and response speed, and the cooperation design of line clamp plate mechanism and line clamp plate limiting mechanism has realized the reliable clamping and release of yarn, simple structure, reliable action, yarn cutting frame adopts servo electric jar drive, cooperation yarn cutting mechanism and yarn guide mechanism, realized fast, accurate yarn cutting, avoid yarn waste, and wire bar is equipped with spring part and wire outlet, effectively guide and protect yarn, reduce friction and abrasion.

The application relates to a preparation method of a warp-knitted single-surface bidirectional support high-density pile fabric, characterized in that the warp-knitted single-surface bidirectional support high-density pile fabric comprises a five-layer structure, and from top to bottom, the five-layer structure is a pile layer, an extension thread layer, a first loop layer, a second loop layer and a third loop layer; the preparation process comprises the following steps: step A, three guide bars are used to prepare a warp-knitted fabric on a warp-knitting machine, one surface of the formed fabric is a close cross extension thread structure, and the other surface is a close loop structure; step B, the surface with the close cross extension thread structure is subjected to shearing; and step C, post-finishing of the fabric, water washing, drying and ironing. The application has the advantages of bidirectional support of pile on the surface of the raised fabric, no easy lodging, better pressure recovery effect, and the like, and meanwhile, the preparation process is simple, environment-friendly and the like.

The utility model relates to the technical field of warp knitting machines, in particular to a self-adaptive yarn tension adjusting knitted fabric warp knitting machine transverse moving mechanism which mainly comprises a transverse moving adjusting frame, the bottom end of the inner side of the transverse moving adjusting frame is connected with a bobbin, a needle set is arranged at the top end of the transverse moving adjusting frame, and a positioning sliding strip is installed at the front end of the transverse moving adjusting frame. An adjusting block is arranged at the front end of the positioning sliding strip, and a contact piece is arranged at the front end of the adjusting block. According to the self-adaptive yarn tension adjusting knitted fabric warp knitting machine transverse moving mechanism, when yarn is conveyed in the stranding process, the contact area with equipment is large, friction force is relatively large, inner side abutting supporting is conducted through the contact pieces, longitudinal tension can be eliminated through elastic connection of the connecting elastic pieces on the inner side, and the yarn tension adjusting effect is good. The elastic guide rods on the two sides can adjust the position of the adjusting block within a certain range, tension extrusion of the side edges is adjusted, the tension adjusting effect is improved in the using process, and the influence of yarn breakage on the equipment machining efficiency is reduced.

The invention discloses an adjustable traction mechanism of a warp knitting machine, and relates to the technical field of warp knitting machines. The adjustable traction mechanism of the warp knitting machine comprises a device main body, the device body comprises a warp knitting machine body and further comprises a mounting frame, two sets of traction rollers connected with the mounting frame and two tensioning rollers arranged between the two sets of traction rollers. The device body further comprises two rotating discs, a rotating shaft connected between the rotating discs and the mounting frame and a constant-force-driven rotating movement mechanism used for driving the rotating shaft to rotate. According to the adjustable traction mechanism of the warp knitting machine, tensioning operation can be conveniently conducted on gray fabric produced by the warp knitting machine, meanwhile, constant tensioning force can be guaranteed, the tensioning force can be conveniently adjusted according to the use requirement, the applicability is higher, more convenience and rapidness are achieved, the tensioning effect is guaranteed, deviation correction operation can be conveniently conducted on the gray fabric, and the production efficiency is improved. The traction effect is ensured, and the production quality of grey cloth is further ensured.

The utility model relates to a kind of wool knitted fabric, including the fabric body that warp fiber bundle warp is formed, and the fabric body is formed by multiple rows of fiber bundle arranged along front-back direction, wherein the adjacent three fiber bundles of front-back direction are a fiber bundle group, all fiber bundles are arranged to form multiple the fiber bundle group sequentially arranged along front-back direction, and the three fiber bundles of each fiber bundle group are wool fiber bundle, synthetic fiber bundle and antistatic fiber bundle respectively.The utility model solves the technical problem that the overall thickness of the fabric is relatively thick due to the stability and antistatic property of the fabric being improved by laminar compounding of the existing fabric.

The utility model discloses a middle connecting unit of a rotating roller, which relates to the technical field of warp knitting machines and comprises a middle supporting piece, a rotating connecting piece and a rotating roller, and the inner side of the middle supporting piece is fixedly provided with the rotating connecting piece; the left rotating roller is rotationally connected with the middle supporting piece through a rotating connecting piece; the right rotating roller is rotationally connected with the middle supporting piece through a rotating connecting piece; the two ends of the transmission shaft are fixedly arranged on the inner sides of the left rotating roller and the right rotating roller. The rotary connecting piece is arranged on the middle supporting piece, so that the left rotary roller and the right rotary roller can rotate while being fixed on the two sides of the middle supporting piece, and the transmission shaft is movably inserted in the middle of the middle supporting piece to synchronously limit the left rotary roller and the right rotary roller in the radial direction. The transmission shaft can synchronously drive the left rotating roller and the right rotating roller to synchronously rotate in the same direction, the load on the transmission shaft is reduced, the transmission shaft can adapt to connection with smaller roller diameters, and the use adaptability is improved.

The utility model provides a kind of fabric for clothing and contain its sweat suit. The fabric includes surface layer, membrane layer and bottom layer. The surface layer uses warp plain or weft plain knitting technology, and is treated using water repellent finishing process. The water repellent finishing process used by the surface layer contains fluorine-free water repellent auxiliary and C4, C6 water repellent auxiliary. The membrane layer is thermoplastic polyurethane membrane layer or polyurethane membrane layer. The sweat suit prepared by the above-mentioned fabric has windproof and light rainproof effect, providing comfortable wearing experience for the wearer.

The driving device is used for driving the piezoelectric jacquard and comprises at least one driving circuit board, a first connector arranged on the driving circuit board and a second connector arranged on the driving circuit board, and the driving circuit board is used for driving a corresponding piezoelectric ceramic element in the piezoelectric jacquard to swing. The invention further relates to the piezoelectric jacquard and a warp knitting machine with the piezoelectric jacquard. In the invention, the first connector and the second connector are respectively arranged on the driving circuit board, when the number of the first connector and the number of the second connector are one, the welding spot on a single connector is half of the original welding spot, and when the number of the first connector and the number of the second connector are two, the welding spot on a single connector is half of the original welding spot. The number of the welding spots on each connector is one fourth of that of the original welding spots, so that the first connector and the second connector only need to be provided with less welding spots than the original welding spots, and electric connection among the first connector, the second connector and the driving circuit board is facilitated.

This invention relates to a partially elastic fabric and its weaving method, comprising a mesh fabric body. The mesh fabric body includes an embroidery layer, a textured layer, a functional yarn layer, and an elastic and reinforcing structural layer. It is woven using a warp knitting machine. The embroidery layer is formed on the uppermost layer of the fabric through a lateral shifting and pressing mechanism of the patterned yarn guide bars. The textured layer is formed through a double Jacquard guide bar loop-forming mechanism. The functional yarn layer is formed through a double ground guide bar loop-forming mechanism. The elastic and reinforcing structural layer is formed by a regular mesh structure woven through the ground guide bar weft insertion mechanism in conjunction with the loop-forming ground guide bar of the functional yarn layer. The weaving method of this invention produces a fabric with a strong structure and excellent physical properties such as wash fastness and rubbing fastness.

The utility model relates to the field of textile fabrics, in particular to a warp knitting shoe material fabric with local elasticity, which solves the problem that the warp knitting fabric with local elasticity needs post-processing, and comprises a fabric body, the fabric body is formed by warp knitting four raw materials A, B, C and D, and the fabric body is formed by knitting eight guide bars GB1, GB2, JB3.1, JB3.2, JB4.1, JB4.2, GB5 and GB6; the raw materials A, B and C are polyester; the raw material D is a large-fineness spandex filament, the specification of the raw material D is spandex 210D, and the raw material D is composed of 14 pieces of 15D single spandex. The utility model is applied to the production of local elastic and non-elastic warp knitting shoe material fabrics.

The utility model belongs to the technical field of geotechnical construction device, especially relate to a geotechnical seepage prevention device. The geotechnical seepage prevention device, characterized by: including warp knitting grid, warp knitting grid is woven by a plurality of longitudinal grey cloth arranged in sequence and a plurality of horizontal grey cloth arranged in sequence, horizontal grey cloth is woven together with optical fiber, and horizontal grey cloth or longitudinal grey cloth surface is sprayed with polyurea resin layer. The utility model has the beneficial effects that: adopt warp knitting grid and resin combination as seepage prevention layer, have higher anti -aging ability and durability, and the optical fiber is implanted in the seepage prevention layer, can be positioned the damaged position when the seepage prevention layer appears the damage, and carries out the quick repair.

The application discloses a kind of marine carbon fiber warp knits and its preparation method application, carbon fiber reinforced resin composite material, belong to carbon fiber composite material technical field, solve the problem of existing technology in the forming of ship large curved surface workpiece Fabric is easy to shrink, resin infiltration efficiency is low.The marine carbon fiber warp knits includes at least two carbon fiber yarn sheets, the carbon fiber yarn sheet is formed by carbon fiber yarn spread yarn flat cross section;At least two carbon fiber yarn sheets are stacked along the thickness direction, and the lay angle of adjacent carbon fiber yarn sheet constitutes asymmetric lay structure;The carbon fiber yarn sheet is stitched by warp knitting thread, and the stitching density of the warp knitting thread is 8-14 roots / inch.The marine carbon fiber warp knits can realize width variation <5mm, resin rapid and uniform infiltration, improve the forming quality and efficiency of ship large curved surface workpiece.

The utility model discloses an artificial leather relates to artificial leather technical field, and its technical scheme main points are: including epidermis layer and base cloth layer, and the base cloth layer includes comb GB1 yarn, comb GB2 yarn and comb GB3 yarn, and comb GB1 yarn and comb GB2 yarn are woven and form the warp knitting mesh eye organization together, and comb GB3 yarn forms the lining weft knitted fabric, and the breathable space is formed between the adjacent two lining weft knitted fabrics, and the epidermis layer surface is provided with a plurality of breathable holes. The utility model discloses through the cooperation of breathable hole, warp knitting mesh eye organization and breathable space, greatly increases the air flow property of both sides of artificial leather, makes the whole artificial leather have better breathable effect, thereby is favorable to the fast dissipation of the peculiar smell produced, reduces the residue of peculiar smell, and the epidermis layer is PVC resin layer, and the PVC resin has better wear resistance and corrosion resistance, thereby guarantees that the whole artificial leather has longer service life.