72results about How to "Not easy to rub" patented technology

The invention relates to a manufacturing method of a liquid crystal panel, which comprises the following steps: step S1: a first master base plate and a second master base plate are provided; step S2: a plurality of scanning lines and a plurality of data lines are insulatively formed on the second master base plate; step S3: an alignment film is coated to form a first base plate and a second base plate: step S4: aligning treatment is conducted on the alignment film; step S5: a frame adhesive is coated on the second base plate, and the frame adhesive and the second base plate form a liquid crystal box; step S6: liquid crystal is dropped into the liquid crystal box; step S7: the first base plate and the second base plate are adhered; step S8: the alignment film which is exposed at the outside of the second base plate is removed. The manufacturing method of the liquid crystal panel can prevent guide wires from damage.

The invention relates to a support filling mechanism, in particular to an automatic support filling device for penicillin bottles. The device comprises a horizontal feeding mechanism, a bottle separation mechanism, a bottle pulling mechanism, a spiral track and a storage apparatus. The horizontal feeding mechanism comprises a delivery belt and tracks, wherein the tracks are arranged on two sides of the delivery belt, and wall plates are arranged on the rack on the two outer sides of the tracks. The bottle separation mechanism is composed of separation plates which are arranged in parallel and at equal intervals at the tail end of the delivery belt. The device is controlled through a programmable logic controller (PLC) and a human-computer interface touch screen, so that the automation degree is high, operation staff are few in a whole packing process, the labor intensity requirement is low, connection positions are tight, the operation is stable, the device is safe and reliable, bottles cannot be blocked and broken easily, labels on the penicillin bottles cannot be abraded, the packing quality is high, the packing speed is fast, the production efficiency is high, and integrated support separation and filling is achieved.

The invention discloses scaling powder used for high-precision nanometer soldering paste. The raw materials of the scaling powder comprise, by mass, 20%-30% of solvent, 30%-50% of rosin, 3%-8% of surfactant, 2%-5% of thixotropic agents, 5%-10% of organic acid, 2%-5% of organic amine and 2%-5% of inhibiter. Compared with the prior art, the scaling powder used for the high-precision nanometer soldering tin paste has the advantages that 1, each grain of tin powder is wrapped in the scaling powder and makes entire contact with the scaling powder, the tin powder cannot adhere to a net or a scraper in the printing process, and the defects of skipping printing and lessening soldering paste are decreased; 2, the friction among the tin powder is reduced through nanometer particles on the surface of the tin powder, and the printing service life of the soldering paste is prolonged; 3, the thixotropic agents forme a fine anti-setting net-shaped structure, and big crystals cannot be separated out to cause the phenomenon of false thickening; and 4, each grain of the tin powder in the soldering paste keeps in good contact with the scaling powder by adding polyamide resin nanometer powder, and the soldering efficiency of the scaling powder is improved.

The invention discloses a manipulator and wafer processing process. The manipulator comprises a robot arm and an, wherein the front end of the robot arm is provided with a card slot, the rear end of the end actuator is inserted to the card slot, and is in fixedly connected through screws, to increase the integral rigidity, and further to reduce the vibration of the robot arm in the operation process; the upper surface of the end actuator is provided with a groove, plane shape of the groove is suitable for the plane shape of the processed wafer, the processed wafer can be put into the groove exactly, so as to hold the wafer at a fixed position in the motion period of the robot arm, and to enhance the wafer stability. The operation rate of the robot arm can be increased to increase the output of the wafer processing system in the unit time, the friction between the wafer and the end actuator is simultaneously avoided, to ensure the normal conducting of the processing technology, and toprotect the wafer.

A tamping bar for deep hole blasting charge comprises a variable diameter tamping head (1), a plurality of tube bodies (2), a lower joint (5) and a flexible connecting part (3). The variable diameter tamping head comprises a front end with the diameter being d1 and a rear end with the diameter being d2, wherein d1 is greater than d2. The tube bodies are sequentially connected in an end-to-end mode, the tube body at the forefront end is connected to the variable diameter tamping head, and the outer diameter of the tube bodies is d3. The lower joint is arranged at the connecting position of the corresponding adjacent tube bodies and used for connecting the adjacent tube bodies. One end of the flexible connecting part is connected to the variable diameter tamping head (1), and the flexible connecting part penetrates through the multiple tube bodies (2). The high-strength flexible connecting part is arranged in the tube bodies of the tamping bar and penetrates through the ends of the tube bodies so that it can be guaranteed that broken tube bodies are not likely to fall into tamping holes, and charge failures or safety accidents are avoided.

The invention discloses an efficient and safe tower crane wire rope anti-falling device which comprises a mounting frame. The mounting frame is internally provided with a first circular plate and a second circular plate which are mounted on the mounting frame, mounting grooves are formed in the opposite surfaces of the first circular plate and the second circular plate, the two mounting grooves are both internally and slidably connected with sliding plates, a fixed pulley is installed between the two sliding plates, and the opposite sides of the two sliding plates are both fixedly connected with a plurality of first springs, the first springs are respectively and fixedly connected to the inner walls of the mounting groove on the same side, and a plurality of limiting mechanisms are arranged between the two sliding plates and the first circular plate as well as the second circular plate. The fixed pulley can be limited in a buffered mode through the cooperation of the first springs, a T-shaped rod and a third spring, the protection of a steel wire rope and the fixed pulley is realized, meanwhile, when the fixed pulley moves, an anti-falling roller moves downwards and abuts against the steel wire rope, and through the abutment of the anti-falling roller on the steel wire rope, the steel wire rope can be effectively prevented from jumping.

The invention relates to the field of clothing, in particular to a clothing seamless splicing structure and a clothing seamless splicing method. The clothing seamless splicing structure comprises two fabrics to be spliced, the front side of the splicing position of one fabric and the reverse side of the splicing position of the other fabric are overlapped and sewn, and overlock is arranged at the splicing positions of the two fabrics. The splicing principle is that firstly, overlapping is performed in the mode that the front side is tightly attached to the reverse side, so that a protruding overlapping portion formed when the front side is tightly attached to front side is avoided, and therefore the overlapping positions of the two fabrics are made to be smoother; secondly the splicing positions are overlocked and sewn simultaneously so that the two fabrics are connected together, and meanwhile the problem that the edges of the fabrics loose threads is avoided. Therefore, the clothing seamless splicing structure is shaped like a plane, the structure is smoother, and the clothing with the seamless splicing structure is not prone to rubbing skin while being worn next to the skin, is more comfortable to wear, and has the advantages of being firm and not prone to loosing the threads.

The invention discloses a pile foundation detection device and method for constructional engineering supervision in the technical field of engineering supervision. The device comprises a bottom plate,the bottom of the bottom plate is fixedly connected with a horizontal adjustment mechanism, the horizontal adjustment mechanism comprises a six-rod adjustment nut and a U-shaped frame, and the middleof the top of the bottom plate is fixedly connected with a positioning mechanism. The positioning mechanism comprises an adjusting rod, L-shaped connecting rods, a clamping cross rod, an extrusion cross rod and a rotating connecting rod, the top of the bottom plate is fixedly connected with a lifting mechanism, the lifting mechanism comprises a support, a rope winding base and a rope winding roller, and the left side of a pile foundation is fixedly connected with a detection device. Through the combined action of the adjusting rod, the L-shaped connecting rods, a positioning ring and the clamping cross rod, on one hand, the to-be-detected pile foundation, a lifted heavy hammer and a steel wire rope for hoisting the heavy hammer are kept at the same axis position, the detection accuracy isimproved, and on the other hand, the lifted heavy hammer is rapid and stable, and the detection waiting time is shortened.

The invention discloses a high pressure resistant magnetic pump, which comprises a pump body (1), a pump cover (2), a pump shaft (3), an impeller (4), an internal magnetic rotor (5), an external magnetic rotor (6), an isolation sleeve (7), a connection frame (8), a drive shaft and a drive shaft bearing box; a spacing ring (9) is fixedly connected by a bolt through match with a spigot of the pump cover (2) in the pump body (1) so as to form the side wall of a pump cavity; an internal annular hole (90) of the spacing ring (9) forms a liquid inlet of the pump cavity; the pump cover (2) is radially provided with a liquid inlet pipe port (21); the pump cover (2) is provided with a drainage liquid inlet (24); the center of the pump shaft (3) is provided with a flow returning hole (30). Pressure borne by an inner cavity (70) of the isolation sleeve is equal to the inlet pressure of the pump, the pressure resistance of the pump is improved, a bearing device (31) of the pump shaft is totally positioned in a flowing liquid inlet medium environment, the cooling effect is good, the machining is convenient, the production cost is reduced and the service life is long.

The invention relates to a high temperature explosion-proof device of a supercapacitor. The device comprises a main body, a capacitor body and connecting pieces, wherein a fixing plate is mounted in the main body, and a cavity is fixed to an inner side of the main body, the capacitor body is disposed inside the cavity, and pins are disposed at the top end of the capacitor body. The high-temperature explosion-proof device of the supercapacitor has the following beneficial effects: according to the invention, the main body, the cavity, the capacitor body, the fixing plate, a baffle plate, a reserved port and a spring shaft are disposed, the baffle constitutes an elastic rotating structure through the spring shaft and the fixing plate, and by the action of the cavity, the capacitor body can be placed. When the capacitor body is in the working state, a high temperature is generated, so that the airflow around the capacitor body expands, the outward thrust of the baffle can be given, and the rotation of the spring shaft can drive he baffle to rotate to create a gap with the fixing plate, so that the hot air flow can be quickly exchanged with the cold air flow inside the main body, thereby effectively preventing the high temperature explosion phenomenon of the capacitor body.

The invention discloses a textile thread layer carding device for a textile machine. The textile thread layer carding device comprises the textile machine, a carding device is arranged in the textilemachine, a pre-loosening assembly is arranged at the rear end of the carding device, a thread pulling assembly is arranged on the upper side of the pre-loosening assembly, a thread blowing assembly isarranged on the lower side of the pre-loosening assembly, and an impurity removing assembly is arranged on the front side of the pre-loosening assembly. The pre-loosening assembly is used for pre-releasing a thread with a certain length when the textile machine draws the thread, and preventing the thread from being pulled excessively during thread drawing; the thread blowing assembly blows up thereleased thread when the thread is pulled, so that the thread floats in the air, friction between the thread and the carding device is reduced, force borne by the thread during thread drawing is further reduced, and the effect of protecting the thread is achieved; the thread pulling assembly tightens the thread and prevents the thread from loosening in the spinning process after thread pulling iscompleted; and the impurity removing assembly separates and recycles fluff and impurities on the thread. The textile thread layer carding device for a textile machine has the advantages of preventingthe thread from being pulled broken, cleaning the thread and recycling the fluff.

The invention discloses an optical cable easy to peel. The optical cable easy to peel comprises a cable core (1) and an inner sheath (2) wrapping the cable core (1), wherein the inner sheath (2) is wrapped with an outer sheath (8), easy-peeling openings (7) are formed in the outer wall of the inner sheath (2) and in the outer wall of the outer sheath (8) respectively in the extending direction of the optical cable, protruding lines (9) are arranged on the outer side of the outer sheath (8), the cross section of each protruding line (9) is semicircular, and the direction of each protruding line (9) is consistent with the extending direction of the optical cable. The optical cable easy to peel has the advantages that the inner sheath and the outer sheath of the optical cable are respectively provided with an easy-peeling opening, and therefore wiring is facilitated; the protruding lines are arranged on the outer surface of the optical cable, characters showing optical cable information are arranged in grooves between the protruding lines in a coating mode, and then the characters can not be wiped off through friction easily; water blocking grease is replaced with water blocking yarn in the cable core, and therefore pollution caused by the water blocking grease is avoided during wiring.

The invention provides a heavy track rear hub bearing combination which comprises a hub and a bearing component arranged inside the hub, wherein the bearing component is of an integrated structure and comprises an outer ring, two inner rings, a partitioning ring, two holding racks and two rows of conical rollers; the two inner rings are arranged inside the outer ring at an interval through the partitioning ring; a chamber is formed among the outer walls of the inner rings, the inner wall of the partitioning ring and the inner wall of the outer ring; the chamber comprises a sealing part, a first mounting part, an oil channel and a second mounting part which are arranged in sequence; the two rows of conical rollers are respectively arranged at the first mounting part and the second mounting part through the two holding racks; the sealing part is internally provided with an oil seal for plugging the end opening of the chamber. The bearing combination has the advantages that the bearing combination is good in rigidity, is high inbearing capability, is long in service life, does not rotate relatively to the large outer diameter of the hub, cannot cause friction, and increases the contact area; the hub is not easy to abrade, and the hub is not concave.

The invention relates to an aluminum alloy door and window. The aluminum alloy door and window comprises a frame body and two plate bodies. Vertical grooves are formed in the two opposite side walls of the frame body in a recessed manner correspondingly, two parallel sliding grooves are formed in the bottom of the frame body, two parallel gliding grooves are formed in the top of the frame body, and the tops of the two plate bodies are slidingly arranged in the two gliding grooves through hanging shaft structures correspondingly to enable the two plate bodies to be arranged on the frame body ina hung manner. The aluminum alloy door and window can be opened from the upper portion, so that the aluminum alloy door and window is not easily damaged as particles enter the bottom.

The invention relates to weaving equipment for planar tri-axial fabric and a method. The equipment can be used for weaving a planar tri-axial fabric basic texture structure, a double-plain structure and other changeable texture structures. The equipment is characterized in that according to the structure parameter requirements of the planar tri-axial fabric, the continuous weaving process with anadjustable inclined yarn angle and an adjustable weaving breadth of the fabric in the length direction can be realized. With the method, weaving procedures can be reduced, and production costs can belowered; the method is simple and wide in fiber application range. When a prefabricated part is produced, thread residue breaking caused by rubbing does not occur easily, the overall performance of the fabric is good, structural stability and uniformity can be improved, and the quality of composite materials can be improved to a certain degree.

The invention relates to a refrigeration compressor shell raw material plate turnover device. The device comprises a containing mechanism and a traction mechanism, a deflection mechanism and a turningmechanism are sequentially arranged between the containing mechanism and the traction mechanism, the deflection mechanism comprises a deflection frame and a guide plate arranged on the deflection frame, a circular hole is formed in the center of the guide plate, two transmission rollers are rotationally connected on the guide plate and are arranged side by side, the transmission rollers are obliquely arranged, a second guide mechanism is arranged between the deflection mechanism and the turning mechanism, the turning mechanism comprises a fixing cylinder and a rotating disc rotationally arranged at the bottom of the fixing cylinder, a notch is formed in one side of the fixing cylinder, a fixing frame is arranged on the fixing cylinder, the fixing frame is coaxial with the fixing cylinder,a plurality of vertical rotating rollers are arranged on the fixing frame, an inclined deflection cylinder is rotationally arranged on the rotating disc, the inclination directions of the deflectioncylinder and the transmission rollers are opposite, a guide assembly is arranged on the fixing frame, and a third guide mechanism is arranged on one side of the turning mechanism. According to the refrigeration compressor shell raw material plate turnover device, strip steel can be turned over conveniently, so that the quality of a weld joint is good when the strip steel is rolled into a shell.

The invention relates to the field of hydraulic elements, in particular to a hydraulic oil cylinder. The hydraulic oil cylinder comprises a cylinder barrel, a piston and a piston rod, a sealing cavity is annularly formed in the outer side wall of the piston, an elastic sealing air bag is arranged in the sealing cavity, the piston rod is hollow, a vent hole is formed in the piston, a vent pipe is connected into the vent hole, one end of the vent pipe is located in the cavity of the piston rod, the other end communicates with the elastic sealing air bag, and an air adjusting assembly used for inflating or deflating the elastic sealing air bag is arranged in the piston rod. The hydraulic oil cylinder has the advantage that the sealing performance between the piston and the inner wall of the cylinder barrel is improved.

The invention discloses counterweight telescopic oil-containing waste gas filtering equipment, and belongs to the field of waste gas treatment. According to the counterweight telescopic oil-containingwaste gas filtering equipment, during waste gas treatment, rotation of a plurality of interlayer self-cleaning filter plates is controlled, counterweight telescopic brushes can automatically enter and exit from the interlayer self-cleaning filter plates under the action of self gravity, and the effect of automatically washing and degreasing the interlayer self-cleaning filter plate is achieved; meanwhile, in the position changing process, the multiple movable transfer balls continuously transfer the positions, on one hand, the counterweight telescopic brush is assisted to enter and exit fromthe interlayer self-cleaning filter plate, and on the other hand, the movable transfer balls can adsorb part of the oil stain decomposing agent and cooperate with continuous movement of the movable transfer balls, and can continuously collide with the self-reminding brush bristles in the movable brush rod so that an oil stain decomposing agent adsorbed by the self-reminding brush bristles is transferred to the self-reminding brush bristles, the cleaning capacity and efficiency of the self-reminding brush bristles on oil stains on the interlayer self-cleaning filter plate are improved, the manual cleaning frequency of the interlayer self-cleaning filter plate is reduced, and the waste gas treatment efficiency is improved.

The invention discloses a production technology of an automobile drive support base. The production technology comprises the following steps of S1, cutting polyamide fibers, glass fibers and rock wool fibers; S2, adding polytetrafluoroethylene resin raw adhesive, polyether sulfone resin raw adhesive and epoxy resin raw adhesive into a mixing machine, heating and melting, adding a dispersant and a curing agent, stirring for 5 to 10min, adding molybdenum disulfide, carbon black and talcum powder into the mixing machine, continuing to stir for 5 to 10min, sequentially adding the glass fibers, the rock wool fibers and the polyamide fibers, and uniformly mixing, so as to obtain adhesive of the support base; S3, adding the adhesive of the support base into an injection molding die under the heating condition, and maintaining the pressure of the injection molding die; after pressure maintaining is finished, cooling, demolding, drying, and conveying into the next production line, so as to complete the production procedure. The production technology has the advantages that the process is perfect, the procedures are smoothly linked, and the production efficiency is high. The prepared support base has the advantages that the abrasion-resistant property and pressure-resistant property are good, and the properties of each part are uniform.

The invention discloses a light vehicle manual transmission oil and a preparation method thereof. The light vehicle manual transmission oil is prepared from base oil, glycerin, thioether compounds, polybasic polycarboxylic acid, a metal passivator, a cleaning dispersant, a friction modifier, an antifoaming agent, an antioxidant, an antirust agent, a demulsifying agent and deionized water. According to the invention, through synergistic effects of various chemical solvents, particles in lubricating oil are strengthened in stability and are insusceptible to settling; and the particles in the lubricating oil have the advantages of strong stability, insusceptibility to settling and good lubricating performance, so friction can be effectively reduced; the loss is decreased; and phenomenons of seal leakage and lubrication failure of a synchronizer due to generation of oil sludge, paint film and deposits in a conventional transmission are prevented from occurring. In addition, the preparation method provided by the invention is simple and has low production cost; and the obtained light vehicle manual transmission oil has excellent antifoaming properties, thermal stability, wear resistance, good sealing material adaptability, excellent low-temperature performance, good storage stability, and applicability to large-scale production.

The invention discloses a household appliance motor comprising bearing outer covers, bearings, bearing inner covers, a support installed on a stator and provided with bearing chambers, a shaft penetrating through the stator and the support, and movable gaps arranged between outer ring end faces of the bearings and inner spigots of the bearing outer covers. The bearing outer covers, the bearings and the bearing inner covers are sequentially installed on the shaft; each bearing is located between one bearing outer cover and one bearing inner cover; a plurality of fixing pieces for fixing the bearings are formed on the peripheries of the bearing chambers in an integrated mode; the support comprises a flat-plate-shaped substrate and two supporting arms extending along the axial direction of the shaft from two ends of the substrate and fixed on the stator, and the bearing chambers are located in the middle of the substrate and concave inwards. The movable gaps are arranged between the outer ring end faces of the bearings and the inner spigots of the bearing outer covers, movable space is provided for the bearings, friction between one bearing and the other bearing is not prone to occurrence, the temperature of the motor cannot be exceedingly high, and service life of the motor can be prolonged.

The invention discloses a pushing card chipless assembling electromagnetic relay and an assembling method thereof. The electromagnetic relay comprises a moving reed, an armature, a pushing card and a pedestal, wherein the pushing card is clamped into a track of the pedestal through an interference-free clamping structure between the pushing card and the pedestal and can only perform linear reciprocating movement along the track limited by the pedestal, the pushing card cooperates with the armature in a contact mode at one end of the linear reciprocating movement to enable the armature to only push the pushing card to move in a single direction, and the pushing card also cooperates with the moving reed at the other end of the linear reciprocating movement in a contact mode to enable the pushing card to also only push the moving feed to act in a single direction. According to the electromagnetic relay provided by the invention, when the pushing card is assembled, interference assembling is not employed, and plastic powder shreds are not generated; the positioning and motion locus of the pushing card of the assembled relay are determined through the pedestal, the plastic powder shreds are not easily generated through friction in normal operation of the relay, the movement locus of the pushing card is quite simple, and the assembling precision is also more accurate.

The invention discloses a hot coating device for accelerating cooling. The hot coating device for accelerating cooling comprises a base, a fixed plate, a workbin and an air extractor, wherein a shellis arranged on the upper side surface of the base; a groove is formed in the base; meanwhile, an air cooler is arranged in the groove; an air inlet pipe is arranged on the upper side surface of the air cooler and penetrates through the upper side surface of the base; an air inlet hollow plate is arranged on the upper side surface of the air inlet pipe; an air outlet is formed in the upper side surface of the air inlet hollow plate; the fixed plate is arranged on the upper side surface of the base and is arranged on the upper side of the air inlet hollow plate; meanwhile, the fixed plate is arranged on the inner side of the shell; a storage plate is arranged on the inner side surface of the fixed plate and is arranged on the upper side of the air outlet; and meanwhile, a through hole is formed in the upper surface of the storage plate. According to the hot coating device for accelerating cooling, the air outlet is formed, and after an object is sprayed, through the work of the air cooler, the air outlet blows air to dry the object on the upper side of the storage plate through the through hole, so that the working efficiency is improved.

The invention discloses a use method for a vehicle protective cover. The vehicle protective cover is mainly formed by a base, a supporting device fixed on the base, a holder device which is connected with the supporting device through a connecting device and can rotate, and a dustcoat connected with the holder device and used to cover a vehicle. The holder device is mainly formed by a fixing rod whose one end is fixedly connected with the connecting device, a flexible piece which is connected with the other end of the fixing rod and can contract into the fixing rod, and supporting rods which are fixed on the flexible piece and are parallel to each other. The dustcoat is fixed on the supporting rods. A supporting body is provided with a contractive extension bar, providing convenience for adjusting height of the holder device according to vehicles in different heights. The dustcoat is provided with hooks, providing convenience for fixing the dustcoat on the edges of the vehicle, so that the dustcoat covers the surface of the whole vehicle. The base is provided with wheels, providing convenience for moving. The base is formed by pouring concrete which is low in price. Therefore, raw material cost and processing cost are saved.

The invention discloses a rainproof device for an air-cushion belt conveyor system. The air-cushion belt conveyor system comprises an air tank. The rainproof device comprises a cover body, two extension parts and two bent parts, wherein the cover body is substantially inverted V-shaped and is arranged on the air tank; the two extension parts respectively extend downwards from the left end and the right end of the cover body; the cross sections of the two bent parts are substantially L-shaped, each bent part comprises a first part and a second part, the first parts extend horizontally outwards from the free ends of the corresponding extension parts and are connected with the top part of the air tank, and the second parts are arranged vertical to the first parts, extend downwards, and are isolated from the corresponding outer wall surfaces of the air tank. According to the rainproof device disclosed by the invention, due to arrangement of the extension parts, eddy current cannot be easily generated on the connection part of the rainproof device and the air tank, and the breakage rate of alumina in a delivery process can be reduced. The invention also discloses the air-cushion belt conveyor system with the rainproof device.

The invention discloses a camera module and electronic equipment, and the camera module comprises a first housing, a second housing, a camera module, a coil and a magnet. The camera module is arranged in the first shell, the first shell and the second shell are stacked, and the camera module faces the direction deviating from the second shell; the peripheral side of the second shell is made of a flexible material, one of the bottom of the second shell and one side opposite to the bottom of the second shell is provided with the coil, and the other one of the bottom of the second shell and the side opposite to the bottom of the second shell is provided with the magnet; and when the coil is in a power-on state, the first shell can move relative to the second shell, so as to carry out motion compensation on the camera module.

The invention discloses a preparation method of a node reinforced double-net type filter screen, and belongs to the technical field of filter screen preparation. The invention discloses a preparationmethod of the node reinforced double-net type filter screen. According to the node reinforced double-net type filter screen, node sleeve ropes are arranged at the nodes of warp yarns and weft yarns; the node can be limited into a whole; when being impacted by water flow or air flow, the warp yarns and the weft yarns simultaneously move, mutual abrasion is effectively avoided; further, the frictiondamage rate at the nodes is effectively reduced, service life is prolonged, meanwhile, the node sleeve ropes are connected into a whole through embedded net pull ropes, a hidden multi-node embeddednet can be formed in the filter screen body woven by the warp yarns and the weft yarns, therefore, the filter screen forms a double-screen structure, not only the filtering effect is effectively improved, but also the strength of the filter screen can be improved, the service life is prolonged, and meanwhile, through adoption of a slightly viscous fluid, the effect of timely reminding of breakagecan be achieved while the strength of the filter screen is improved.