238 results about "Cotton thread" patented technology

The utility model discloses a retro ceramic flowerpot capable of automatically replenishing water. The retro ceramic flowerpot comprises a water storage tank; the planting groove is formed in the top of the water storage tank, a supporting bottom plate is detachably installed in the middle of the planting groove, a cotton thread used for supplementing water is arranged in the middle of the supporting bottom plate, a fixing hook plate is arranged on the side edge of the supporting bottom plate, and the top of the fixing hook plate is hooked to the edge of the planting groove. The pulling-out device is used for pulling out the supporting bottom plate from the planting groove; the automatic water replenishing device has the advantages that by means of the built-in cotton threads and the filter holes, the automatic water replenishing function of soil from the water storage tank to the planting tank is achieved, it is ensured that plant roots continuously obtain a proper amount of water, and frequent manual watering is not needed; the arrangement of the supporting bottom plate and the fixed hook plate makes it very convenient to check and transplant plants; the whole plant and the soil of the plant can be easily lifted only by lifting the fixed hook plate, so that the damage to the plant in the transplanting process is reduced.

The invention discloses an assembly line production and preparation process of cool cotton fiber bedding fabric, and relates to the technical field of fabric preparation processes, and the assembly line production and preparation process comprises the following steps: preparing improved cool cotton fibers; producing cool cotton threads through a spinning procedure of siro compact spinning; weaving a cool antibacterial super-soft multifunctional bedding fabric; a dyeing and finishing process is carried out on the cool-feeling antibacterial super-soft multifunctional bedding fabric. Natural mint cool feeling factors can be connected into loose cotton fibers to effectively prepare improved cool feeling cotton fibers, the improved cool feeling cotton fibers are spun into yarns in an optimized siro compact spinning mode, then the yarns are interwoven with chinlon filaments to obtain bedding fabric grey cloth, and the bedding fabric grey cloth is obtained through optimization of a dyeing and finishing process. And the green and environment-friendly cool antibacterial super-soft bedding fabric with the composite function, which is suitable for being used in summer, is researched and developed.

The invention discloses an anti-gouge automatic pay-off device for glass stacking. The anti-gouge automatic pay-off device comprises a conveyor used for conveying glass plates; the manipulator is used for grabbing glass plates; the glass frame is used for stacking glass plates; the pay-off machine is used for placing cotton threads between two adjacent glass plates; the pay-off machine comprises a support, a transferring mechanism and a thread feeding mechanism, the transferring mechanism is installed on the support, the thread feeding mechanism is installed at the moving end of the transferring mechanism, a thread coil is rotationally installed on the support, and one end of a cotton thread on the thread coil penetrates through the working end of the thread feeding mechanism. The device is used in glass stacking to achieve the effects of protecting the surface quality of adjacent glass sheets and facilitating separation, on the basis, cotton threads are used for replacing paper to be clamped between the two glass sheets, the use amount of the paper is reduced, the cost is reduced, the use amount of the cotton threads is extremely small, the cost is extremely low, and meanwhile the cotton threads are waterproof and not affected by the environment; in addition, paper cutting is replaced by paying off, so that procedures are reduced, and the investment of production cost is reduced.

The invention discloses a one-time forming double-sided twining gold embroidery stitching method in the technical field of embroidery, which comprises the following steps: firstly, respectively arranging pattern contours corresponding to mirror images on the front and back surfaces of an embroidery ground, penetrating one end of a nail line into an embroidery needle for fixing, and fixing the other end of the nail line at the initial position of the pattern on the embroidery ground; and sequentially threading needles and wiring along the advancing direction of the decorative gold threads according to the steps, so as to fix the decorative gold threads on the two sides of the embroidered ground. The double-sided embroidery has the advantages that the double-sided embroidery is formed at a time, second-time embroidering on the back face is not needed, and if the double-sided different-color effect needs to be achieved, only the nailed wire needs to be adjusted, for example, a gold thread or a cotton thread, a twisted silk thread (such as a palm thread) and other wire with similar thickness need to be replaced by a gold thread or a cotton thread, a twisted silk thread (such as a palm thread) and the like.

The utility model relates to the technical field of spinning, in particular to a cotton thread spinning thread layer carding device, the end portion of a cutter is located in an avoiding groove in the process of cutting off a cotton roll, the cutter cannot make contact with a wind-up roller when the cotton roll is cut off, abrasion of the wind-up roller to the cutter is reduced, the service life of the cutter is guaranteed, and the cotton thread spinning thread layer carding device is convenient to use. The reliability and the practicability are high; comprising a bottom plate, a supporting frame, a carding machine body, a feeding hopper, a winding roller and a cutter, the carding machine body is fixedly installed at the upper end of the bottom plate through the supporting frame, the feeding hopper is arranged on the left portion of the carding machine body, a discharging opening is formed in the right portion of the carding machine body, the winding roller is located on the right side of the discharging opening, and the cutter is located above the winding roller; the cutting device further comprises a driving mechanism and a moving mechanism, the cutter is installed on the moving mechanism, the moving mechanism is used for moving the cutter, the winding roller is installed on the driving mechanism, the driving mechanism is used for driving the winding roller to rotate, and an avoiding groove communicating front and back is formed in the winding roller.

The utility model relates to a trace and quantitative dual-purpose dropper, which belongs to the technical field of droppers and comprises a dropper body, an upper air bag and a lower air bag, the upper air bag is communicated with the lower air bag through a communicating pipe, one end of the dropper body is communicated with the upper portion of the lower air bag, the other end of the dropper body is provided with a self-suction pipe, the dropper body is provided with an air hole, and an expansion line is arranged in the air hole. One end of the expansion line penetrates into the air hole to enter the pipe body, and the other end of the expansion line is fixed after winding the outer side wall of the pipe body by a circle. An expansion line penetrates through the air hole, air can penetrate through fiber gaps of cotton threads in the expansion line, the self-absorption speed is not affected, after self-absorption liquid reaches the cotton threads, the cotton threads can absorb water to expand and block the air hole, and the situation that air enters the air hole due to the fact that the air bag loosens too fast when the solution is absorbed in the second step is avoided; in addition, the colored cotton thread can also play a role in indicating and marking, and a user is reminded to reach the liquid absorption amount when the liquid absorption surface reaches the cotton thread.

The present invention relates to the field of flowerpot cultivation and planting, and specifically to a method of installing a capillary drainage device on the flowerpot to improve the drainage of the flowerpot under the action of capillary water absorption, and different assembly methods of the flowerpot and the cover pot are used to complete watering, draining and placement, and to lower the center of gravity of the flowerpot. The capillary drainage device is composed of materials with capillary water absorption such as cotton thread, cloth strip, paper tape, hemp rope, etc., the cover pot has holes at the bottom, and the tray has no holes, and watering, draining and flowerpot placement are completed through different placement methods. The invention improves the drainage of the flowerpot under the action of capillary water absorption by installing a capillary drainage device on the flowerpot, and during normal flowerpot maintenance, the flowerpot is placed in the cover pot to lower the center of gravity and improve the stability of the flowerpot placement.

1. Name of the designed product: ceiling lamp (oblong wave sound-absorbing cotton thread). 2. Use of the designed product: for lighting. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

This utility model discloses a control line for mechanical equipment, relating to the field of control line technology. It includes a first conductor, an outer sheath, and a wear-resistant component. The first, second, and third conductors are surrounded by a wrapping layer, with filler cotton thread filling the space between the wrapping layer and the conductors. A reinforcing layer is provided outside the wrapping layer, and armored steel wire is embedded within the reinforcing layer. An outer sheath is provided outside the reinforcing layer, comprising an inner protective layer, an insulating film, and a flame-retardant layer. An insulating film is provided outside the inner protective layer. A wear-resistant component is installed on the outer side of the outer sheath. In this mechanical equipment control line, the outer protective rings, with a ring-shaped structure, are equidistantly fixed to the outside of the outer sheath. Simultaneously, wear-resistant ridges, evenly distributed in an array, connect adjacent outer protective rings, providing wear protection to the outside of the outer sheath and preventing direct contact between the outer protective layer and the ground or external objects, thus avoiding wear.

The utility model relates to the technical field of sewing threads, in particular to a flame-retardant sewing thread which comprises a thread core, the thread core is composed of a cotton thread, a polyester fiber thread and a nylon thread, a cementing layer, an antistatic layer, a flame-retardant layer, a high-temperature-resistant layer and a wear-resistant layer are sequentially arranged on the surface of the thread core, and the polyester fiber thread is located in the center. Compared with the prior art, the polyester fiber threads serve as the center main threads, the polyester fiber threads have high strength, the strength of the whole sewing thread can be effectively improved, the cotton threads are arranged outside to wrap the surfaces of the polyester fiber threads, the surfaces are relatively soft and good in texture, the arranged nylon threads are high in tensile strength, and the service life of the sewing thread is prolonged. The sewing thread is simple in structure and good in glossiness, the attractiveness of the sewing thread can be effectively improved, the high-temperature-resistant layer and the flame-retardant layer can achieve the double flame-retardant effect, and the overall performance of the sewing thread cannot be easily changed even if the sewing thread encounters high temperature.

This invention discloses a trap for controlling rice stem borers, comprising a cylindrical body, an attractant release mechanism, several conical retaining rings, and several insect-attracting holes. The lower end of the cylindrical body has a detachable bottom cover, on which the attractant release mechanism is located within the cylindrical body. Conical retaining rings, arranged sequentially from top to bottom, are fixedly fitted onto the cylindrical body. Each conical retaining ring contains several insect-attracting holes spaced circumferentially. The attractant release mechanism includes an attractant solution storage tank, an annular body, a liquid absorbent, and a liquid-absorbing cotton thread. The upper end of the attractant solution storage tank has an annular body, which contains a liquid absorbent. The attractant solution storage tank within the annular body has a liquid-absorbing cotton thread, one end of which is connected to the liquid absorbent, and the other end is immersed in the attractant solution within the attractant solution storage tank. Compared with existing technologies, this method improves the trapping effect, reduces manual labor, has low operating costs, and is not subject to any usage restrictions.

The invention provides steam circulation type cotton efficient cooking equipment, and relates to the field of yarn processing.The steam circulation type cotton efficient cooking equipment comprises a kettle shell, a partition plate is arranged in the kettle shell, a cooking barrel is arranged at the position, above the partition plate, in the kettle shell, and the top end of the cooking barrel penetrates out of the top of the kettle shell; a kettle cover used for sealing an opening in the top end of the cooking barrel is installed at the top of the kettle shell in a hinged mode, a cotton smashing mechanism is arranged on the outer side of the cooking barrel, a water removal box is arranged at the bottom of the partition plate, a water removal mechanism is arranged in the water removal box, and a through groove used for communicating the cooking barrel with the water removal box is formed in the partition plate. The device further comprises a circulating mechanism. The circulating mechanism is matched with the flow guide plate and the flow collecting holes in the circumferential array, so that steam and cleaning liquid are uniformly distributed and circularly flow in the cooking barrel, the conditions of local overheating, over-washing or non-in-place treatment are avoided, the damage to cotton fibers is reduced, and the basic quality of subsequent processing of cotton threads is improved.

The utility model discloses a welding wire wiping machine which comprises a take-up and pay-off system, a tension control system, an oil immersion system, a cleaning system and a safety system, the take-up and pay-off system comprises a pay-off device and a take-up device, the pay-off device comprises a synchronizing wheel, a pay-off shaft and a first driving device, and the take-up device comprises a take-up wheel, a second driving device, a wire pressing device and a scrap wire barrel. The tension control system comprises a wire rail, a dancing wheel and an analog quantity sensor, the cleaning system comprises two wire guide wheel sets, and the safety system comprises a pay-off system emergency trimming device, a ratchet mechanism and a take-up system trimming device. In the welding wire production process, foreign matter on the surface of the welding wire is cleaned through the cotton thread wound on the welding wire, the cotton thread can be automatically updated, it is guaranteed that the material making contact with the welding wire is a clean consumable all the time, and secondary pollution to the welding wire is avoided; the surface of the cotton thread is soaked with anti-rust oil, the storage time of the welding wire can be prolonged, meanwhile, the welding wire can be fed more smoothly, the conductivity between the welding wire and the gun nozzle can be enhanced, and the welding quality is improved.

1. The name of the design product: mop cotton thread fixing disc. 2. The use of the design product: mop disc for installing cotton thread. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The utility model discloses a bending-resistant wire material, comprising a plurality of twisted insulating sheaths and a conductor arranged inside the insulating sheaths and twisted and formed, the plurality of twisted insulating sheaths are wrapped with a protective sheath outside, the protective sheath comprises an anti-interference layer arranged on the outer wall of the plurality of insulating sheaths, the outer wall of the anti-interference layer is wrapped with an insect repellent layer, and the outer wall of the anti-interference layer is provided with concave annular grooves of equal length; the utility model can be used for filling and winding cotton thread through the concave annular groove provided on the outer wall of the insect repellent layer, and the wound cotton thread is higher than the depth of the concave annular groove, which is convenient for injection molding of the insect repellent tensioning sheath, and the setting of the insect repellent tensioning sheath can be tensioned when bending, and the cotton thread is also easy to bend, so that the sheath of the wire material will not be stretched to cause the sheath to break and cause damage, which will expose the insulating sheath, and avoid the situation that the sheath outside the wire material breaks due to bending when the wire material is bent, causing a short circuit and a fire.

The utility model relates to the technical field of gardening supplies, and discloses a novel flowerpot which comprises a flowerpot body and a water collecting box, the flowerpot body is of a cuboid structure with an opening in the top and an inner cavity, a containing groove is formed in the bottom of the flowerpot body, and an opening communicated with the containing groove is formed in the front side of the flowerpot body; a water collecting box is arranged in the placing groove, the water collecting box and the placing groove are correspondingly arranged, and a water storage cavity is formed in the top of the water collecting box; a plurality of uniformly distributed water permeable holes are formed in the bottom of the flowerpot body, the hole diameters of the water permeable holes are gradually reduced from top to bottom, a filling plug is arranged in each water permeable hole, and the filling plugs and the water permeable holes are correspondingly arranged; a mounting hole is formed in the center of each filling plug, a water absorption cotton thread is arranged in each mounting hole, the top end of each water absorption cotton thread is located in the inner cavity of the flowerpot body, and the other end of each water absorption cotton thread penetrates through the bottom of the flowerpot body and extends into the water storage cavity of the placement groove.

The invention relates to the technical field of wires and cables, and discloses an insulating superfine bare copper stranded wire and stranded wire terminal for a new energy automobile horn, which comprises a stranded wire main body, the stranded wire main body takes an enameled wire as a center, a stranded cotton silk thread is arranged on the outer side of the enameled wire, and a conductive rubber layer is arranged on the outer side of the stranded cotton silk thread. The nanocrystalline alloy belt is embedded in the conductive rubber layer and wraps the twisted cotton silk threads through the spiral winding technology, the annular elastic sheath is arranged on the outer side of the conductive rubber layer in a sleeving mode, and the outer coating layer is arranged on the outer side of the annular elastic sheath and the outer side of the conductive rubber layer in a sleeving mode. A miniature memory alloy spring is embedded in a gap between the annular elastic sheath and the outer coating layer, and one end of the stranded wire body is fixedly connected with a connector. According to the invention, through the combined action of multiple layers of structures such as the twisted cotton silk threads, the nanocrystalline alloy belt, the conductive rubber layer, the annular elastic sheath and the outer coating layer, stable audio signal transmission is realized, and long-term reliable operation under complex working conditions of an automobile is ensured.

The utility model provides a plastic tray for stacking cotton thread rolls, which relates to the technical field of plastic trays and comprises a plastic supporting plate, limiting protrusions are distributed on the plastic supporting plate at intervals, and the limiting protrusions are distributed on two sides of the plastic supporting plate and connected with the ends of the cotton thread rolls in a clamping mode. The plastic tray is used for solving the technical problems that an existing plastic tray does not have a limiting function on cotton thread rolls, the cotton thread rolls cannot be stacked too high, after the cotton thread rolls are stacked, if the vibration amplitude of a conveying device is large, the cotton thread rolls collapse, an operator needs to stack the cotton thread rolls again, and inconvenience is caused.

1. The name of the design product: flowerpot bottom water absorption support. 2. The use of the design product: for inserting into the hole at the bottom of the flowerpot, placing a water storage tray below, absorbing water through cotton thread, and watering plants. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses an anti-water accumulation ceramic flower pot, comprising a ceramic pot body, an anti-water accumulation through hole for preventing water accumulation in the pot is provided at the edge of the bottom of the ceramic pot body, a water suction port is provided at the center of the bottom of the ceramic pot body, and slots are provided on both sides of the ceramic pot body, and a water storage mechanism is provided at the bottom of the ceramic pot body, and the water storage mechanism includes a water storage basin matched with the ceramic pot body. The utility model can not only discharge the accumulated water accumulated in the ceramic pot body by providing the anti-water accumulation through hole, and collect it in the water storage basin, but also guide the accumulated water collected in the water storage basin to the inside of the ceramic pot body by providing a cotton thread, so that the accumulated water can be recycled, and at the same time, the operating handle is used to pull the operating block, thereby driving the sliding card rod to disengage from the corresponding card slot, so that the water storage basin can be conveniently disassembled, and the water storage basin can be conveniently cleaned, thereby improving the practicality of the utility model.

The utility model provides a tool for measuring the perpendicularity of a high-frame column frame body, which comprises a standard rod, the standard rod extends vertically and comprises a plurality of standard knots, and the adjacent standard knots are detachably connected; the upper end of the standard bar is detachably connected with an upper dial extending in the left-right direction, the upper dial is detachably connected with an installation inserting piece, and the installation inserting piece is fixedly connected with a cotton thread extending in the vertical direction. The lower end of the standard rod is detachably connected with a lower dial extending in the left-right direction, and the left end of the lower dial is flush with the left end of the upper dial. The lower end of the cotton thread is fixedly connected with a plumb bob, the plumb bob is located below the lower dial, the inclination angle of the cotton thread is observed by reading the reading on the dial, the tool for measuring the perpendicularity of the high frame column frame body can be assembled and disassembled in a modularized mode, and when a high frame body needs to be measured, the standard rod can be disassembled into a plurality of standard sections to be carried and transported. And meanwhile, the splicing mode and the use mode are simple, and popularization and use are convenient.

The utility model provides a vamp structure with a waterproof function. The vamp structure with the waterproof function comprises a vamp body, the vamp body is composed of a base layer, a water-resisting layer, a water-absorbing layer, a waterproof breathable film, a buffer layer and a lining layer, the water-resisting layer is assembled at the bottom of the base layer, the water-absorbing layer is assembled at the bottom of the water-resisting layer, and the waterproof breathable film is assembled at the bottom of the buffer layer. The waterproof breathable film is sewn at the bottom of the water absorption layer through cotton threads, the buffer layer is sewn at the bottom of the waterproof breathable film through cotton threads, and the lining layer is assembled at the bottom of the buffer layer; and the waterproof layer is arranged on the vamp body. The vamp structure with the waterproof function has the advantages that the waterproof performance of the vamp can be effectively improved, and meanwhile ventilation of the vamp is not affected.

The invention discloses a three-dimensional millet stitch for embroidery and an embroidery method, the stitch takes 1 / 2 strand (25 filaments)-1 (100 filaments) Hunan embroidery thick mulberry silk thread as a common basic thread, the thread thickness can be flexibly adjusted outside the range according to picture creation requirements, and other embroidery threads such as Suzhou embroidery mulberry silk threads, cotton threads, woolen threads, streamer threads and the like can also be selected. Different textures and three-dimensional modeling effects are adapted; the distance between every two adjacent stitches is 0.5 mm-5 mm, and silk threads are reserved on an embroidery surface to form particle protrusions of 1 mm-3 mm during embroidery. According to the stitching method, three basic forms of single particles, clustering aggregation and clustering surrounding can be formed, the stereoscopic impression is strong, the texture reduction degree is high, various embroidery requirements of light and shadow transition, particle scene reduction, stereoscopic flower modeling and the like can be flexibly met, the problems of insufficient stereoscopic impression, stiff light and shadow transition and limited modeling scene of traditional embroidery are solved, the stitching method is simple and easy to master, and the stitching method is suitable for large-scale popularization and application. Wide popularization and application can be realized.

The utility model discloses a wire pretreatment cotton thread tailoring mechanism, including: base, lift seat, carrier subassembly, clamping mechanism, tailoring mechanism, blow pipe and collecting mechanism, lift seat sliding connection to base, tailoring mechanism is provided the top end of lift seat, collecting mechanism is provided the tailoring mechanism, clamping mechanism is provided with the clamping end, the carrier subassembly is provided with the blow pipe, collecting mechanism is provided with the blow pipe, collecting mechanism is provided with the blow pipe. The clamping end of the clamping mechanism is located between the cutting mechanism and the collecting mechanism, the first linear moving mechanism is fixed to the base, the carrier assembly can clamp or loosen a wire rod, the air blowing pipe is arranged above the wire rod, and the lifting base, the clamping mechanism and the cutting mechanism can be driven by the first linear moving mechanism to be close to or away from the wire rod in the vertical direction. The air blowing pipe can blow cotton threads in the threads to the clamping mechanism, the cutting mechanism can cut off the cotton threads, and the collecting mechanism can collect the cut-off cotton threads. The device is high in automation degree.

The present invention discloses a method for determining the field water holding capacity of a seedling raising substrate, which includes four steps: natural water content determination, bulk density determination, and field water holding critical point determination and calculation. In the whole process of the present invention, it is not necessary to take the original soil, but the original soil is made by immersion sedimentation until the structure of the seedling raising substrate is stable, thereby avoiding the destruction of the original soil structure in the process of taking the original soil with a ring knife. In the method of the present invention, the outer wrapping layer of the substrate is cloth, and even if the substrate forms an impermeable layer, gravity water can be smoothly drained away through the small holes on the cloth. The method of the present invention proposes a new method for judging the critical point of field water holding capacity, which drains water by draining gravity water with cotton thread, and the moisture content of the substrate can be distinguished by the speed of water droplets sliding down the drainage cotton thread and the speed of increase of water droplets hanging on the lower end of the cotton thread. This method can more simply and conveniently judge the critical point of field water holding capacity, is simple to operate, and produces accurate results.

The utility model relates to the field of static electricity, in particular to an antistatic down jacket. Graphene and carbon fibers are made into threads, the threads are named as stone carbon threads, the stone carbon threads and cotton threads are woven into net-shaped cloth at the interval of 0.4 cm, the net-shaped cloth is named as stone carbon thread net-shaped cloth, and the proportion of the stone carbon threads to the cotton threads is 1: 2, namely, one stone carbon thread, two cotton threads, one stone carbon thread and two cotton threads are woven again; the wefts are woven into one stone carbon thread, then two cotton threads are woven into one stone carbon thread, and then two cotton threads are woven into another stone carbon thread, so that the woven net-shaped cloth is soft in property and very good in electrical conductivity; then the stone carbon wire mesh cloth is added between the two layers of liner cloth of the down jacket, that is, the stone carbon wire mesh cloth is laid on the down feather layer of the whole down jacket, the down feather is pasted on the mesh, the stability is good, the down feather is very flat, static electricity generated by friction is reduced, and therefore the anti-static effect is achieved, and the down jacket is comfortable to wear without electrostatic interference; the fabric is smooth, stable and warm-keeping.

The utility model discloses a tool for cleaning redundant objects on the surface of a ring way of a conductive slip ring, which relates to the field of conductive slip rings and comprises a base, a knob is rotatably arranged on one side of the base, a lifting mechanism is fixedly arranged on one side of the knob, and a lifting rod is in threaded connection with the surface of the lifting mechanism. And a scale rib plate is fixedly mounted on one side of the lifting rod. The conductive slip ring loop is tightly sleeved with the cotton thread, the number of rotation turns is set, automatic cleaning can be achieved, production efficiency is improved, cotton thread cleaning is comprehensive, the problem that redundant objects on the two sides of an insulation spacer cannot be cleaned is solved, the number of the pulley assemblies can be adjusted, a plurality of pulley assemblies can be installed, and the number of the pulley assemblies can be adjusted according to different numbers of turns. The surface cleaning and wiping device can clean and wipe the surfaces of ring channels of slip ring products with different ring numbers and different types, can accurately position the cleaning condition of local areas of ring bodies according to the cleanliness degree of the surfaces wiped by cotton threads and dust-free cloth, and facilitates subsequent production personnel to recognize key cleaning areas.

The embodiment of the utility model discloses a bamboo candlewick and a champignon candle, and the bamboo candlewick comprises a bamboo candlewick body; the water content of the bamboo core body is less than 10%; the cotton thread is combined with the bamboo core body in a spiral winding manner; the coverage rate of the cotton threads on the bamboo core body is greater than 70%; and the wax dipping layer covers the bamboo core body and the cotton threads and is filled between the bamboo core body and the cotton threads. According to the embodiment of the invention, the candlewick can continuously and stably provide flame in the combustion process, meanwhile, the dependence of the candlewick on natural cotton is reduced, and the manufacturing cost of the candlewick is reduced.

The utility model belongs to friction band production technical field especially is a kind of core yarn equipment special for friction band, including equipment ontology.The utility model passes through the one end of cotton thread to pass through the one side of cotton thread guide roller, two rollers, first press wheel and second press wheel and is fixed on winding drum by passing through second limit piece, the one end of glass fiber core thread is passed through the first limit piece again by passing through core thread guide roller and guide rod and is fixed on winding drum by passing through the one side of a roller, rotating mechanism inside equipment ontology starts to run, power transmission is given to rotating shaft by winding drum and is rolled up, under the rotation of winding drum, cotton thread will gradually be wound on glass fiber core thread, forms core yarn structure, can automatically wind cotton thread to glass fiber, saves traditional roving frame, pulls pull block and moves first T-shaped rod by flexible steel rope and separates first spring and slot by stretching, removes winding drum and drives mounting block and mounting seat to separate, it is convenient to take down, and professional tool is not needed.

The invention discloses a construction engineering surveying pay-off device, and belongs to the field of engineering surveying, the construction engineering surveying pay-off device comprises a supporting seat, a pay-off box and a laser transmitter, a rotating groove is formed in the supporting seat, a rotating block is rotatably arranged in the rotating groove, a fixing piece used for fixedly connecting the rotating block to the supporting seat is arranged on the rotating block, the pay-off box is detachably connected to the rotating block, and the laser transmitter is arranged on the pay-off box. The laser transmitter is fixedly mounted on the pay-off box, a thread outlet hole for a cotton thread to penetrate through is formed in the side wall of the pay-off box, and a laser transmitting head on the laser transmitter is parallel to the thread outlet hole; an adjusting assembly used for adjusting the height of the supporting seat is arranged on the side, away from the pay-off box, of the supporting seat, a winding roller used for winding cotton threads is arranged in the pay-off box, a driving assembly used for driving the winding roller to rotate is arranged on the pay-off box, and a cleaning assembly used for cleaning the threads is arranged at the position, close to the thread outlet hole, in the pay-off box. The pay-off device has the effects that the pay-off accuracy is improved, and the service life of the pay-off device is prolonged.