46results about How to "Achieve the effect of integration" patented technology

The invention relates to preparation of a nitrogen-phosphorus expanded type flame retardant and a method for application in preparing an aqueous polyurethane coating. The method comprises the following steps: mixing dimethyl phosphate, and alkali catalysts, namely sodium methoxide and acrylamide, performing a reaction so as to obtain an intermediate, adding a charcoal formation agent and a substance A, keeping the pH value of the solution to 6.5-7.0 in the stirring process, further adding a substance B and a substance C, performing a continuous stirring reaction, and performing concentration so as to obtain the nitrogen-phosphorus expanded type flame retardant; and preparing the aqueous polyurethane coating from the nitrogen-phosphorus expanded type flame retardant. By adopting the flame retardant provided by the invention, flame can be rapidly choked, and the flame retardancy of the nitrogen-phosphorus expanded type flame retardant can be improved by releasing smoke, controlling flamecombustion time and controlling densities of charcoal layers. In addition, the nitrogen-phosphorus expanded type flame retardant is grafted with polyurethane, so that the flame retardancy of the polyurethane can be further improved.

The invention provides a dual-band wearable antenna with switchable working modes, and belongs to the technical field of antennas. The adopted technical scheme is that the dual-band wearable antenna comprises upper and lower layers of dielectric substrates. A radiation patch is arranged at the upper surface of the upper layer substrate. A grounding plate is arranged at the lower surface of the lower layer substrate. The radiation patch and the grounding plate are connected by segmented metalized through holes. Symmetrically distributed rectangular grooves are arranged at the left and right sides of the metal radiation patch. The segmented metalized through holes are connected by a segment of conductor strip. The antenna adopts a coaxial probe for direct feed. A coaxial internal conductor extends to the radiation patch from the grounding plate. A circle of circular groove is etched around a feeding point so as to increase inductive reactance, and thus impedance matching is facilitated. Problems in the prior art that the wearable antenna cannot meet the requirements of people for miniaturization, integration and wearing facilitating are mainly solved by the dual-band wearable antenna with the switchable working modes.

The embodiment of the invention discloses a touch control display panel and a touch control display device. The touch control display panel comprises a touch control detection region and a fingerprint identification region, wherein the fingerprint identification region is located in the touch control detection region; the touch control detection region comprises multiple touch control detection units which are distributed in an array, and each touch control detection unit is connected with a driving integrated chip by virtue of an accordingly connected first signal transmission line; the fingerprint identification region comprises multiple fingerprint identification units which are distributed in an array, and each fingerprint identification unit is connected with the driving integrated chip by virtue of an accordingly connected second signal transmission line; and the driving integrated chip drives the touch control detection units and the fingerprint identification units in a time sharing way for carrying out time-sharing operation in display, touch control detection and fingerprint identification. By adopting the touch control display panel disclosed by the embodiment of the invention, a fingerprint identification device and the touch control display panel do not need to be separately prepared for integration, so that the production cost of the touch control display device can be effectively saved, and the effect of integration of the fingerprint identification device and the touch control display panel is achieved.

The invention discloses a multibeam position servo control method. A control system includes a controller, a driver, a motor, an internal encoder and an external encoder. The multibeam position servo control method comprises the following steps that the external encoder determines a reference angle of a multibeam energy transducer, calibrates and calculates a space relation of the multibeam energy transducer and an inertial measurement unit, and determines a transducer reference angle coordinate system; during an underwater operation process, the control system controls the multibeam system to accurately and flexibly reach an assignment position, the multibeam energy transducer has tiny angular deflection at an assignment angle due to the external factor influence of water resistance, and the control system records a deflected angle in real time and records a time stamp after synchronization with the GPS time; and according to the real-time defected angle and the synchronous time stamp, the wave beam point coordinates in the transducer deflection coordinate system are transferred to the transducer reference angle coordinate system. According to the invention, the multibeam energy transducer can be adjusted to an optimal angle for measurement when underwater landform is collected in different angles.

The present invention provides a display panel and a preparation method thereof, and a display device, belonging to the technical field of display. The objective of the invention is to reduce the electrode resistance of a luminescent device and facilitate achievement of ultrathin performance of an ITD display panel. The display panel comprises: a substrate; a luminescent device layer arranged at the upper portion of the substrate; and a touch structure layer arranged at one side, far away from the substrate, of the luminescent device layer, wherein the luminescent device layer comprises a plurality of luminescent devices, each luminescent device comprises one first electrode, one luminescent function layer and one second electrode which are arranged far away from the substrate in order, the touch structure layer comprises a plurality of third electrodes, and at least one of the third electrodes is in contact with the second electrode.

The invention relates to a tailoring device, in particular to a high-efficiency shoe fabric tailoring device. The invention aims to provide a high-efficiency shoe fabric tailoring device which is high in tailoring efficiency. In order to solve the technical problem, the invention provides the high-efficiency shoe fabric tailoring device. The high-efficiency shoe fabric tailoring device comprises a fixing bracket, a rack, a strut, a bearing block, a driven wheel, a flat belt, a first motor, a second fixing plate, a top plate, a driving wheel, a first rotating shaft, a shoe fabric, a drum, a first fixing plate, a fixing frame, an electric push rod, a shearing device, manipulators, a fixing rod, a sliding track, a sliding block, a second rotating shaft and a gear, wherein the sliding track is arranged at the left end of the right part of the fixing bracket; the sliding block is arranged on the sliding track; and the rack is arranged on the left side of the sliding block. The effect of high tailoring efficiency is achieved. By a feather duster, the effect of wiping the shoe fabric is achieved, the surface of the shoe fabric does not have dust, and meanwhile, the high-efficiency shoe fabric tailoring device is provided with a fixed pulley.

The present invention relates to the field of hot pepper processing, and especially relates to a bell pepper seed removing device. The technical problem to be solved is to provide the bell pepper seedremoving device capable of rapidly removing bell pepper seeds. According to the technical scheme, the bell pepper seed removing device comprises a supporting seat, a rotating shaft, a big gear, a rotating disk, a movable device, a supporting rod and a motor, wherein the supporting seat is provided with the rotating shaft by a bearing; the big gear is mounted at one end of the rotating shaft; therotating disk is mounted at the other end of the rotating shaft; the supporting rod is mounted on the supporting seat; and the motor is mounted on the supporting rod. In the bell pepper seed removingdevice, the motor can drive a flapping device to run while driving a seed cutting device to run, so that bell peppers subjected to seed cutting can be separated from the movable device and collected;the overall operation is simple and the operation effect and efficiency are high; and the human hands are not needed to remove the seeds and make contact with the cut peppers, so that the discomfort of the human hands in contact with the cut peppers is avoided.

The invention discloses a method for synthesizing a MnO2 film with a multi-layer structure on a metal manganese substrate by using permanganate, deionized water and hydrochloric acid as raw materials and adopting a hydro-thermal method. The method is characterized in that the layer structure of the film is controllable; the MnO2 film with a two-layer structure or a three-layer structure can be obtained through regulating a synthetic condition, and the film thickness can be changed from several microns to dozens of microns; the film is provided with a porous loose structure, and each layer of the film comprises nanometer slices in different sizes which are arrayed vertically to the substrate; and the diameters of ducts formed by the nanometer slices can be from dozens of nanometers to hundreds of nanometers in variety. The metal manganese substrate achieves an obvious guiding effect over the growth of the film, so the growth of the film is facilitated and the increase of the binding force of the film and the substrate is also facilitated. The method has a simple process, the cost is low, industrialization is easy to realize, and meanwhile, an obtained product has a novel structure and has a potential of being used as a super capacitor electrode material.

The invention provides a Chinese yam and buckwheat biscuit having the healthcare effect on the diabetes. According to the biscuit, after Chinese yam powder and buckwheat powder are mixed according to the weight ratio of 1:1-4, baking is performed according to a conventional biscuit making method, and then the biscuit can be made and packaged. According to the biscuit, the Chinese yam and the buckwheat which have both the medicine effect and the food effect are adopted as components and mixed reasonably, the obtained Chinese yam and buckwheat biscuit having the healthcare effect on the diabetes is formed by ingeniously combining pure medicine and food, the biscuit has great advantages for reconstructing a glucostasis system of a human body, the appetite of a diabetes patient can be increased through biological and chemical reaction in the human body, meanwhile the glucose index can also be reduced, the biscuit can be taken for a long time, no toxic and side effect exists, the effect of integrating food, healthcare products and medicine is achieved, the medicine making method of traditional Chinese medicine is carried forward continuously, the making method is simple, raw materials are easy to obtain, cost is low, and the curative effect is good.

The invention discloses a topology capable of realizing multiple phase current reconstruction algorithms. The topology comprises a positive DC bus, a negative DC bus, power transistors of Q1 to Q6 andan isolated current sensor, wherein the isolated current sensor is used to detect current between the Q1 and the Q3, between the Q6 and the Q2, and between the Q4 and a bus negative electrode. Compared with a topology adopted by the traditional zero voltage vector sampling method, the topology used in the invention can integrate the advantages of the previous algorithms. When an SVPWM runs in a normal area, phase current reconstruction can be completed through two fixed sampling points, and information of the other two sampling points can be used to correct reconstructed phase current. When the SVPWM enters an over-modulated running state, the existing algorithms can be used to reconstruct the phase current, and thus, reconstruction of phase current in the whole running state can be realized.

The invention provides an all-fiber transmission reflection integrated terahertz time-domain spectroscopy system. At present, most of the terahertz time-domain spectroscopy systems refer to free-space systems and have the defects of complex structure, low stability and the like. Aiming at the problem, femtosecond laser pulse is transmitted by virtue of optical fibers, so that the usage amount of optical devices in the light path is reduced, and the light path is simple and stable in structure. Meanwhile, because the femtosecond laser pulse comes into a terahertz emitter and a terahertz receiver by virtue of optical fibers, the light path structure of the system is not influenced by the movement and rotation of the positions of the terahertz emitter and the terahertz receiver, the terahertz receiver and the terahertz emitter can be respectively arranged on two rotatable optical guide rails, and flexible switch between terahertz transmission and reflection time-domain spectroscopy systems can be further realized. Therefore, the problem that the terahertz spectroscopy system is complex in structure and large in size in the prior art is solved.

The invention discloses shearing and packaging integrated equipment for plastic products. The shearing and packaging integrated equipment for the plastic products comprises a base, supporting legs are fixedly arranged on the tops of the two sides of the base, a supporting shell and a shearing shell are fixedly arranged on the tops of the supporting legs, the supporting shell and the shearing shell are fixedly connected, a feeding mechanism is arranged in a cavity in one side, away from the shearing shell, of the supporting shell, a fixing mechanism is arranged in a cavity in the side, close to the shearing shell, of the supporting shell, and a shearing mechanism is arranged in the shearing shell. According to the shearing and packaging integrated equipment for the plastic products, through cooperation and linkage between structures, the effect of automatically feeding plastic pipe fittings is achieved along with continuous left-right movement of a sliding block, automation of plastic pipe fitting machining is further achieved, clamping and fixing are carried out on the plastic pipe fittings in the process of stopping feeding of the plastic pipe fittings, then shearing machining is carried out on the plastic pipe fittings, the sheared plastic pipe fittings can fall into packaging bags below to be collected and packaged, and therefore the shearing and packaging integrated effect is achieved.

The invention provides a novel building thermal-insulating plate which is fireproof in an A level, good in thermal-insulating sound-insulating effect and simple to construct and enables thermal-insulating and decorating surface layers to be combined together and a roof thermal-insulating tile. A main method comprises a first step of enabling the thermal-insulating plate and the roof thermal-insulating tile to be formed through punch forming by adopting two metal plates and then to be spliced and pressed together, forming a sealed metal casing, arranging supporting points or a supporting grid frame in the metal casing, then extracting air in the sealed metal casing, enabling the inside of the metal casing to be in a vacuum state so as to form the vacuum thermal-insulating plate and the roof thermal-insulating tile; and a second step of enabling the vacuum thermal-insulating plate and the roof thermal-insulating tile to be installed on a wall or an exposed metal surface at the back of a roof and be made into various building decorating surface layers in an enamel making mode by painting, baking finish, spray coating and electroplating so that the exposed surface becomes a final building outer decorating surface layer after the vacuum thermal-insulating plate and the roof thermal-insulating tile are installed.

The present invention discloses a maintenance platform of a motor loose core. The maintenance platform of the motor loose core comprises a front-end double guide rail and a back-end double guide rail which are in inlaid connection, a forward moving car and a carriage car are arranged at two ends of the front-end double guide rail, and a backward moving car is arranged at the back end of the back-end double guide rail; lift beams are disposed at the forward moving car and the backward moving car through door-shaped frames and are driven by lifting mechanisms, and lockable hook-type hoops and dual-rectangular-shaped frames are respectively arranged at the middle parts of the lift beams for support the load side shaft end of a rotor and a false axis; the carriage car is located between the forward moving car and the backward moving car and is provided with an X-shaped scissor jack through a lower platform and an upper slide, and support rollers are arranged at the top of the X-shaped scissor jack and are configured to support the non-load side shaft end of the rotor. The maintenance platform of a motor loose core is able to realize the fast and convenient motor rotor loose core work, and realize the maintenance of a rotor turning through the support structure of the platform itself, so that the effect of integrating a loose core tool and a turning towing bracket is achieved, therefore the maintenance efficiency is improved and the maintenance cost is reduced.

The present invention relates to an engaging and locking means by which a manufacturing cost of a shielding frame can be reduced to provide a joining method of plate materials made of metal preventing that light is leaked and insufficient strength is generated as much as possible, and to provide the shielding frame of a liquid crystal display using the joining method and to provide a manufacturing method of the shielding frame. Engaging and locking parts each having a plurality of projecting parts and recessed parts having leader parts and constricted parts and alternately provided are provided at respective joining end parts of the plate material made of metal and the shielding frame of the liquid crystal display which are to be joined along respective contours while upheaval parts are continuously or discontinuously formed. The projecting parts and the recessed parts of these engaging and locking parts are engaged with and connected to each other from a vertical direction and then the upheaval parts are crashed by caulking the engaged and connected parts from the vertical direction to integrally join the engaged and connected parts.

The invention provides a carbohydrase-like tea powder electuary with treatment and health-care effects on diabetes. The carbohydrase-like tea powder electuary is prepared from the raw materials in parts by weight: 10-30 parts of yeast, 10-30 parts of kudzu vine root and 10-15 parts of Chinese yam. The carbohydrase-like tea powder electuary is prepared in the steps of: respectively disinfecting yeast, kudzu vine root and Chinese yam by ultraviolet light; respectively crushing and sifting with a 50-90-mesh sieve; mixing and stirring the raw materials according to the weight ratio of the technical scheme; and then subpackaging to obtain the carbohydrase-like tea powder electuary. As yeast, kudzu vine root and Chinese yam which are both medicine and food are used as components and are reasonably combined, the obtained carbohydrase-like tea powder electuary with the treatment and health-care effects on diabetes is a skillful combination of pure herbal bio-enzymes and beneficial microorganisms, has great effects on reconstructing a human blood sugar stable system, is capable of increasing the appetite of diabetics during the process of biochemical reaction in a human body and meanwhile reducing the blood sugar level, is free of toxic or side effects after being taken for a long period of time, achieves the effects of integrating food, health-care products and medicines into a whole, and is low in cost and good in curative effects; the preparation method is simple; and the raw materials are easy to obtain.

The invention provides a stomach nourishing wine which is composed of the following components by weight: 15g-45g of ginseng, 70g-150g of Astragalus membranaceus, 80g-140g of Angelica sinensis, 60g-130g of common yam rhizome, 25g-50g of Poria cocos, 30g-55g of pulp of dogwood fruit, 35g-65g of white atractylodes rhizome, 15g-45g of wolfberry, 10g-25g of licorice root, 20g-45g of costustoot, 70g-150g of fructus amomi, 15g-45g of Agastache rugosus and 20g-50g of Morinda officinalis. A preparation method of the stomach nourishing wine comprises the following steps: soaking the components in a 33-39% rice wine for 15-30 days under the condition of sealing, precipitating, and filtering to get the final product. According to the medical wine, the preparation method is simple, the raw materials can be obtained easily, moreover, the medical wine is low in cost, complete in functions, has a good curative effect, is helpful for curing the patients with the diseases of chronic gastritis and gastric ulcer, and thus, the patients are benefited; for the people without the diseases of chronic gastritis and gastric ulcer, the stomach nourishing wine plays a role in prevention of gastropathy.

The invention discloses a high-effect digital camouflage patch, and the patch comprises a first patch layer; a mounting mechanism is arranged on the outer surface of the upper end of the first patch layer, a patch top layer is arranged on the outer surface of the upper end of the mounting mechanism, and a patch film is arranged on the outer surface of the upper end of a second patch layer; a second patch layer is arranged on the outer surface of the lower end of the first patch layer, a patch bottom layer is arranged on the outer surface of the lower end of the patch top layer, a non-metal attaching mechanism and a magnetic attraction layer are arranged on the outer surface of the lower end of the patch bottom layer, and the non-metal attaching mechanism is located on one side of the magnetic attraction layer; a first elastic layer and a second elastic layer are arranged on the inner side of the first patch layer, and the first elastic layer is located at the upper end of the second elastic layer. The high-efficiency digital camouflage patch has the characteristics that the camouflage quality is optimized and the camouflage efficiency is improved while the camouflage time is saved, and a better application prospect is brought.

The invention provides a display panel, a preparation method thereof, and a display device, which relate to the field of display technology, can reduce the electrode resistance of a light-emitting device, and help realize ultra-thin ITD display panels. The display panel includes: a base substrate; a light-emitting device layer arranged above the base substrate; a touch control structure layer arranged on the side of the light-emitting device layer away from the base substrate; the light-emitting device layer includes multiple A light-emitting device, the light-emitting device includes: a first electrode, a light-emitting functional layer, and a second electrode arranged away from the base substrate in sequence; the touch structure layer includes: a plurality of third electrodes; a plurality of the first electrodes At least one of the third electrodes among the three electrodes is in contact with the second electrode.

The invention relates to a capture and connection integrated driving transmission mechanism used for a periphery lock. The capture and connection integrated driving transmission mechanism includes a driving bottom plate. The driving bottom plate is movably provided with multiple screw rods and multiple lock hook components. Each screw rod is correspondingly connected with a lock hook component. Each screw rod is fixedly connected with a connecting plate provided with a vertical guiding groove. One ends of connecting rod mechanisms are connected with driving nuts. The driving nuts are arrangedon the screw rods in a sleeving mode. The other end of each connecting rod mechanism is connected with the corresponding lock hook component. The connecting rod mechanisms are fixedly provided with limiting pins. The limiting pins are provided with flat structures. The guiding groove in each connecting plate is internally provided with a limiting groove being adaptive with the corresponding flat structure. According to the technical scheme, peripheral arrangement of the capture locking device and the driving device of the capture locking device can be achieved; in a small space, an integrateddriving transmission mechanism of rotation and linear motion of lock hook components is laid out; and a periphery lock capture and connection driving transmission mechanism integrated effect is achieved.

The embodiment of the invention relates to the field of communication, and discloses an indoor positioning method and device, electronic equipment and a storage medium. The indoor positioning method comprises the steps of acquiring received signal strength RSS information of a positioning area, wherein the received signal strength RSS information is composed of labeled RSS data and unlabeled RSS data; performing data processing on the labeled RSS data and the unlabeled RSS data to obtain mixed data; training the mixed data through a pre-built student model and updating parameters of the student model; updating parameters of a pre-established teacher model by adopting a parameter weighted average algorithm according to the parameters of the student model; and acquiring RSS information to betested, and obtaining predicted two-dimensional coordinates through the updated teacher model. The method is applied to an indoor environment to obtain the position of a user.

A touch control display panel. A common electrode layer is shared by a touch detection electrode and a fingerprint identification electrode; a pixel electrode serving as a driving electrode layer conducts capacitive coupling on the fingerprint identification electrode; on this basis, a time-sharing operation for displaying, touch detection and fingerprint identification is conducted. The fingerprint identification device and the touch control display panel do not need to be separately prepared for integration, and fingerprint identification and detection can be realized by utilizing the existing layer structure of the touch control display panel, so that the production cost of a touch control display device can be effectively saved, and the effect of integration of the fingerprint identification device and the touch control display panel is achieved. The touch control display device, comprising the touch control display panel.

A micro feedback-chamber sensor comprises: a semiconductor base having a sensing circuit; a bonding structure layer disposed on the semiconductor base; and a sensing member chip having a low-resistance semiconductor body, a first end portion and a second end portion. The semiconductor body has free-standing Si posts, the first end portion is formed with a sensing member structure, the second end portion is connected to the semiconductor base through the bonding structure layer, and a micro feedback-chamber structure is formed between the sensing member structure, the semiconductor base and the semiconductor body. The sensing member structure is electrically connected to the sensing circuit through the free-standing Si posts. The sensing member structure and the micro feedback-chamber structure collaboratively react to an externally inputted physical signal to generate a sensing signal outputted to the sensing circuit. A method of manufacturing the micro feedback-chamber sensor is also provided.

The invention discloses a special-shaped GRC curtain wall structure with an LED linear point light source and a construction method, and relates to the technical field of curtain wall construction, the special-shaped GRC curtain wall structure comprises a GRC wallboard, a GRC lamp trough, a curtain wall lamp set and a lamp trough light source fixing piece; a GRC lamp groove is formed in the GRC wallboard, a groove opening is formed in the GRC lamp groove in the GRC wallboard, the GRC lamp groove comprises a lower groove face connected with the bottom end of the groove opening, and the lower groove face inclines downwards in the direction of the groove opening; a lamp trough light source fixing piece is mounted in the GRC lamp trough, and a curtain wall lamp set is connected to the lamp trough light source fixing piece; according to the invention, the trapezoidal GRC lamp groove is used for replacing a traditional exposed wire groove for installation, the situations that a point light source is prominent and a cable is exposed after a curtain wall lamp set is installed on a GRC curtain wall are perfectly avoided in an embedded mode, the consumption of a traditional wire groove material is reduced, the construction cost is reduced, the lamp groove structure has a good water guide effect, and the service life of the lamp groove structure is prolonged. And the water accumulation influence in the groove is avoided.

The invention belongs to the technical field of water and fertilizer integration, and particularly relates to mobile water and fertilizer integrated equipment driven by solar energy. The mobile water and fertilizer integrated equipment comprises a solar panel mounted at the top of a greenhouse body, and a sliding track, a mobile trolley and a fertilization and spray irrigation frame which are mounted in the greenhouse body, wherein the sliding rail is mounted in the middle of the top end of the interior of the greenhouse body, and the moving trolley is arranged at the bottom of the sliding rail in a sleeving and sliding mode. The solar panel is arranged at the top of the greenhouse body, solar energy is converted into electric energy to be stored, the electric energy is provided for irrigation equipment in the greenhouse, and therefore, the electric power cost used in irrigation can be reduced; an electric mechanism capable of driving the fertilization and spray irrigation frame to move is arranged in the greenhouse, and therefore the area of the fertilization and spray irrigation frame can be reduced; and the problem of small irrigation area of the fertilization and spray irrigation frame is solved by moving the fertilization and spray irrigation frame, so that the cost of laying the fertilization and spray irrigation frame can be reduced to a great extent.

The invention relates to a method and device for adapting an image to a VI environment, and the method comprises the steps: determining a to-be-processed image according to an original image, and carrying out the gray processing to obtain a first image; adjusting the contrast ratio and the color curve of the first image to enable the color of the first image to approach white to obtain a second image; obtaining a target image, and performing perspective deformation processing on the target image according to the to-be-processed image to obtain a third image; performing distortion replacement on the third image by taking the first image as a replacement image to obtain a fourth image; mixing the fourth image and the second image to obtain a fifth image; mixing the fifth image as an upper-layer image and the original image as a lower-layer image, and outputting a final image. According to the method, for different VI environments, the picture can be naturally and smoothly attached to the target area by intercepting the specific area and carrying out gray scale, saturation and the like, the characteristics of wrinkles, perspective, light and shadow and the like in the VI environments are reserved, and the impression of integrity and authenticity of the picture is improved.

The invention relates to a cutting device, in particular to a shoe fabric cutting device. The technical problem to be solved by the present invention is to provide a high-efficiency shoe fabric cutting device with high cutting efficiency. In order to solve the above technical problems, the present invention provides such a shoe fabric cutting device, which includes a fixed frame, a rack, a support rod, a bearing seat, a driven wheel, a flat belt, a first motor, a second fixed plate, a top plate, a driving Wheel, first rotating shaft, shoe fabric, roller, first fixed plate, fixed frame, electric push rod, shearing device, manipulator, fixed rod, slide rail, slide block, second rotating shaft and gear; the right and left end of the fixed frame A slide rail is provided, a slide block is provided on the slide rail, and a rack is provided on the left side of the slide block. The invention achieves the effect of high cutting efficiency. This device uses a feather duster to wipe the shoe fabric, thereby leaving no dust on the surface of the shoe fabric, and has a fixed pulley at the same time.

The invention discloses multifunctional drawing compasses. The multifunctional drawing compasses comprise a compasses rod. The compasses rod comprises a fixed support rod and a rotation support rod. A fixed support rod pencil lead is arranged at the lower end of the fixed support rod. A fixing block is arranged on the fixed support rod, and fixedly provided with a magnetic connecting plate. The magnetic connecting plate is provided with a magnetic spliced ruler set. A rotation head rotationally connected is arranged at the lower end of the rotation support rod. The middle part of the rotation head is rotationally connected to the rotation support rod. A centre is arranged at one end of the rotation head, and a rotation head pencil lead is arranged at the other end of the rotation head. When the rotation head rotates till the rotation head pencil lead faces downwards, the rotation head pencil lead and the fixed rod pencil lead are attached. The multifunctional drawing compasses are simple in structure and novel in design, comprehensive usage that three functions of a heavy line pencil, a fine line pencil and compasses can be switched can be achieved, the magnetic spliced ruler set is carried as well, a designer can conveniently conduct free splicing for a straight ruler or a set square for drawing assisting, and the effect of drawing tool integration is achieved; and storage is simple, carrying is convenient, and wide market prospects are achieved.