32results about How to "Anti-break" patented technology

The invention relates to a novel radial artery hemostatic device. The novel radial artery hemostatic device comprises a hemostatic mechanism and a bandage, wherein the hemostatic mechanism comprises an outer casing; an electronic liquid crystal panel and watch strap rods are arranged on the outer casing; a screw rod penetrates through the outer casing, a retaining disc is fixedly arranged at the upper end of the screw rod, a worm gear is sheathed on the screw rod in a spiral matching way, and is engaged with a worm, and one end of the worm extends out of the outer casing; a strip-shaped key groove is formed in the screw rod, and a key is arranged on the outer casing, and is clamped into the key groove; the lower end of the screw rod is fixedly provided with a connecting shaft; a gasket is fixedly arranged on the connecting shaft, and a silicon rubber casing is sheathed on the gasket; a pressure sensor is arranged in the gasket, and is connected with the electronic liquid crystal panel; the bandage is penetrated and sheathed on the watch strap rods. The novel radial artery hemostatic device has the advantages that the distance of the screw rod can be more accurately adjusted by the worm gear and the worm, and the worm gear and the worm form self-locking; by arranging the pressure sensor in the gasket, the pressure value of pressing on the gasket can be clearly displayed, so as to avoid the injury to subcutaneous tissues by pressing force and the breaking of the connecting shaft.

In a tracklaying gear with a frame (1) having an idler wheel linear guide (L1) in which at least one guide piece (4) holding the idler wheel axle (3) is movable, and on which a tensioning means (V) of a tensioning device (20) supported in the frame (1) can act in the guidance direction (F), at least one mechanically guided and centered elastomer spring body (25) is installed to bulge under axial compression, such that the spring body can be readjusted, the elastomer spring body consisting of an elastomer material largely incompressible as a spring.

The invention discloses an anti-looseness and anti-snapping shoe lace which is characterized in that an outer layer is made of a pure cotton material that multiple strands are woven together, so that the shoe lace is effectively prevented from loosing. A middle core is made of a polyester material, so that the shoe lace is effectively prevented from being snapped. The shoe lace manufactured in such a mode can tire tightly and is not easy to snap in the wearing process.

The invention relates to an ultra-high wear-resistant hypereutectic high chromium cast iron material which comprises the following chemical components in percentage by mass: 4.0-5.0% of C, 25-35% of Cr, 0.5-1.0% of Si, 1.5-2.5% of Mn, less than or equal to 1% of Ni, 2-4% of Mo, and the balance Fe. The invention also relates to a preparation method of the ultra-high wear-resistant hypereutectic high chromium cast iron material, and relates to a smelting technology and an application of stable production of slurry pump flowing parts. Compared with BTMCr26 and Cr15Mo3 materials, the ultra-high wear-resistant hypereutectic high chromium cast iron material has a high carbon content and a high chromium content and a large amount of carbides, and the wear resistance of the material can be effectively improved.

An electronic thermometer with heat conductive unit consists of a measuring end, a container, sensing element in container, wire and contact part. It is featured as forming said contact part to be pot cover form with certain radian and preparing said contact part by metal heat conductive material, embedding said contact part in said container and setting top surface of said contact to be higher than surface of measuring end of thermometer.

The invention discloses a multifunctional long fiber fabric which comprises an interwoven fabric, a warp knitted fabric, a non-woven fabric and a prepreg of the non-woven fabric. The warp knitted fabric is manufactured by a multi-axial stitch-by-stitch method, any one or two of spiral slivers or elastic rubber strips are proportionally placed into any one single fiber layer, single sliver is wrapped and wound along the axial direction of a core material to form a winding layer of each spiral sliver, chopped fibers are placed between winding rings of the winding layer to form the single-layer or multilayer multi-axial long fiber fabric and the prepreg thereof, the multifunctional long fiber fabric has high elongation percentage and retraction performance of anti-collision functions, delaminating between layers is not easily caused, for example, the technology is applied to the non-woven fabric, the prepreg thereof and particularly a non-woven prepreg, fiber density ratio in unit volumeis increased, and various long fiber fabrics and prepregs of the long fiber fabrics in the technology are mainly used as reinforcing materials for manufacturing composite materials and can also be used as common fabrics.

The present invention relates to an insulation rod assembling and disassembling ground lead assistant device. The device comprises: a detachable insulation operation rod body, a metal head arranged atthe top end of the insulation operation rod and ground lead hanging devices installed on the operation rod body at intervals. The insulation operation rod body comprises an upper rod body, a middle rod body and a lower rod body which are in threaded connection, each of the upper, middle and the lower rod bodies is respectively provided with the two ground lead hanging devices at intervals, the ground lead hanging devices can be detachably and foldingly installed on the upper rod body and the middle rod body. A first clamping plate, a second clamping plate and a first fixing bolt are employedto fasten a lantern ring to conveniently disassemble the ground lead hanging devices and regulate the positions of the ground lead hanging devices; when the insulation rod assembling and disassemblingground lead assistant device is completely used, a second regulation nut is loosened, a connection rod is folded upwards or downwards to be parallel to a corresponding rod body, and then the second regulation nut is screwed up so as to save the space; and moreover, the structure is simple, the design is reasonable, the operation is convenient, and the generation of the collision accident of the ground lead and live devices around is avoided. When the ground lead is assembled and disassembled, the insulation rod assembling and disassembling ground lead assistant device can avoid human body damaging by induced electricity.

The invention relates to the technical field of power cables, and especially relates to a power cable with a cross-linked polyethylene insulated polyvinyl chloride sheath. The power cable comprises aheat conduction filling core; an anti-interference layer is fixedly connected to the inner side of each of a plurality of uniformly distributed mounting holes formed in the heat conduction filling core; the inner side of each anti-interference layer is fixedly connected with a high-temperature-resistant layer; the inner side of each high-temperature-resistant layer is fixedly connected with an insulating layer; each insulating layer is internally provided with a spiral hole; the inner side of each spiral hole is provided with an inner wire core; the outer side of each inner wire core is fixedly connected with a plurality of uniformly distributed outer wire cores; and each outer wire core is fixedly connected to the inner side of the spiral hole. By arranging the heat conduction filling core, the high-temperature-resistant layer, the anti-interference layer, the tensile layer, a high-elasticity springback rope, a waterproof and damp-proof layer, a protective sheath and wear-resistant strips, the cable has high high-temperature resistance, heat conduction, tensile strength, wear resistance and the like, and has anti-interference, anti-breaking and springback functions and the like.

The invention relates to an oil pipe cutter. The oil pipe cutter is characterized in that the oil pipe cutter comprises a cutter body, wherein the cuter body is formed by extending a cutter root (3) to a cutter blade (1) through a cutter face (2), an installation hole (4) is formed in the center of the cutter body, the cutter face (2) is a full circle, and the thickness of the cutter face (2) is gradually increased from the cutter blade (1) to the cutter root (3). The oil pipe cutter has the advantages of being capable of resisting clamping, preventing break, and resisting shock, incisions of oil pipes are neat, chips are absent during cutting processes, and use requirements for cutting oil pipes on site can be met.

The invention belongs to the field of nuclear power station maintenance, and particularly relates to a rotary filter screen manual turning gear which comprises a turning hand wheel, a first flange, a second flange, a pin, a nut, a key, a pawl support, a ratchet wheel, a pawl, a fixing pin and a clamping spring. The first flange is fixedly connected to the central position of the turning hand wheel; the second flange is fixedly connected with a motor shaft through the key; the first flange and the second flange are fixedly connected through matching of the pin and the nut; the ratchet wheel is fixedly connected to a center hole of the second flange and forms an integrally-formed structure with the second flange. The pawl support is fixedly connected to the concrete ground, the pawl is fixedly connected to the upper portion of the pawl support through cooperation of the fixing pin and the clamping spring, and the pawl is meshed with the ratchet wheel. Torque transmission and overload protection on the rotary filter screen during manual turning are achieved, the situation that a turning hand wheel rotates to drive a motor to rotate in the manual turning process is effectively prevented, and meanwhile the safety of operators and peripheral equipment is guaranteed.

The invention discloses a waterproof cable and a preparation method thereof. The preparation method includes 1) immersing mica powder and talc powder in dodecyl dimethylamine to obtain a particulate matter M1; 2) mixing and roasting the particulate matter M1, white carbon black and graphite to obtain a mixed particulate matter M2; 3) mixing and smelting natural rubber, ethylene propylene diene rubber, the mixed particulate matter M2, paraffin, stearoyl-rac-glycerol, naphthenic oil and a processing aid and conducting extrusion formation to obtain a rubber sleeve; 4) stranding a plurality of silver-plated copper clad steel to obtain a cable core; 5) wrapping the cable core with the rubber sleeve to obtain the waterproof cable. The waterproof cable is waterproof, better in wear resistance andbetter in resistance to breakage.

The invention discloses a self-adaptive ballast overturning sleeper. The self-adaptive ballast overturning sleeper comprises a cuboid sleeper body, a ballast overturning structure is arranged at the bottom of the sleeper body and comprises a first conical structure body and a second conical structure body, the section of the first conical structure body is small in top and large in bottom, the upper end of the first conical structure body is connected with the bottom of the sleeper body, the lower end of the first conical structure body is connected with the upper end of the second conical structure body, and the section of the second conical structure body is large in top and small. According to the self-adaptive ballast overturning sleeper, when a train passes by, the sleeper turns overrailway ballast under the combined action of train pressure and foundation resilience force, so that the railway ballast is circularly turned over within a certain range, the frequency of overturningover the railway ballast by a ballast turning vehicle is greatly reduced, and the maintenance cost of equipment and manpower is further reduced.

The invention discloses a double-locking type steel mesh mold capable of enhancing the bearing capacity of an extension connector. The mold comprises a left frame, wherein a right frame is attached to the end part in the horizontal direction, and steel mesh bodies are mounted in the left frame and the right frame; vertical splicing blocks which are mounted on the upper side of the left frame and the upper side of the right frame and are clamped in vertical splicing grooves, the vertical splicing grooves are formed in the lower side of the left frame and the lower side of the right frame, and clamping grooves are formed in the ends, in the horizontal direction, of the vertical splicing blocks; and transverse splicing blocks mounted on the right sides of the left frame and the right frame. According to the double-locking type steel mesh mold capable of enhancing the bearing capacity of the extension connector, the left frame and the right frame are spliced in the vertical direction through the vertical splicing blocks, the left frame and the right frame are horizontally spliced through the transverse splicing blocks, the positioning rods and the limiting rods are moved correspondingly, and splicing of the steel mesh mold composed of the frames and the steel mesh body is positioned, and the area extension of the steel mesh mold is realized.

The invention discloses an external traditional Chinese medicine composition for expelling cold, clearing damp, clearing and activating the channels and collaterals, restoring consciousness, improving eyesight and regulating qi and blood of the head. The traditional Chinese medicine composition comprises the following raw materials in parts by weight: 80-100 parts of saponin, 70-100 parts of cacumen biotae, 80-100 parts of poria cocos, 80-100 parts of notopterygium root, 85-90 parts of liquorice, 80-150 parts of radix zanthoxyli, 70-140 parts of Clerodendron inerme, 50-110 parts of cassia twig, 60-120 parts of garden balsam, 70-100 parts of herba seu radix gaultheriae yunnanensis, 150-230 parts of folium artemisiae argyi, 100-140 parts of Achyranthes bidentata, 80-120 parts of Cuscuta chinensis, 80-100 parts of herba ecliptae, 80-100 parts of angelica sinensis, 30-60 parts of mentha haplocalyx, 80-100 parts of towel gourd vegetable sponge, 100-150 parts of radix polygoni multiflori and 60-90 parts of gastrodia elata. The traditional Chinese medicine composition for external use is matched with a wooden comb to start brushing from top to bottom along the governor meridian of the head to play a role in massaging and dredging the meridians; and hot compress is conducted on the eyes, a hot towel with medicine soup is used for fumigating the eyes and facial skin, the effects of improving eyesight and moistening the skin are achieved, fatigue around the eyes is relieved, and blood circulation is enhanced.

The invention provides an airport luggage barrow net cover. The net cover comprises longitude lines and latitude lines which are integrally formed. The longitude lines and the latitude lines are uniformly arranged at intervals. The longitude lines and the latitude lines are of hollow structures, and ball-shaped rope knots are arranged in the intersecting portions. Longitude center lines and latitude center lines are arranged in the middle portions of the longitude lines and the middle portions of the latitude lines in a penetrating manner. Winding portions are arranged at the positions, corresponding to the rope knots, of the longitude center lines and the latitude center lines at intervals. Only the winding portion of one longitude center line or the winding portion of one latitude centerline exists in each rope knot. Side ropes are arranged at the two ends of the longitude lines and the two ends of the latitude lines, and the edges are sewn and locked through an edge locking machine. Lifting hooks are arranged on the edge locking ropes uniformly in a hung manner. The net cover has the advantages of being simple in structure, good in elasticity, high in strength and long in service life.

An electronic thermometer with heat conductive unit consists of a measuring end, a container, sensing element in container, wire and contact part. It is featured as forming said contact part to be pot cover form with certain radian and preparing said contact part by metal heat conductive material, embedding said contact part in said container and setting top surface of said contact to be higher than surface of measuring end of thermometer.

The invention discloses a method for manufacturing a rigid-flex PCB (printed circuit board). The method includes the following steps that S1, copper foil is cut; S2, the copper foil is coated with a cover membrane; S3, positioning is performed; S4, pressing is conducted, and the copper foil, the cover membrane, a prepreg and a rigid board are pressed; S5, cutting is carried out, the copper foil on the upper portion of the rigid board and the prepreg are cut and removed, and the rigid board below the cover membrane is removed. According to the method, the copper foil is directly coated with the cover membrane which replaces a traditional PI soft board material, so that the binding force between the copper foil and the cover membrane is high, the abnormal condition that the joint of a flex board and the rigid board is layered in the pressing process of the rigid-flex PCB is effectively avoided, and the problem that prepreg powder ejects the flex board after pressing is completed, and thus bad white spots happen to the board surface is further effectively solved; meanwhile, by the adoption of the manufacturing method, the production cost is lowered.

The present invention relates to an insulation rod assembling and disassembling ground lead assistant device. The device comprises: a detachable insulation operation rod body, a metal head arranged atthe top end of the insulation operation rod and ground lead hanging devices installed on the operation rod body at intervals. The insulation operation rod body comprises an upper rod body, a middle rod body and a lower rod body which are in threaded connection, each of the upper, middle and the lower rod bodies is respectively provided with the two ground lead hanging devices at intervals, the ground lead hanging devices can be detachably and foldingly installed on the upper rod body and the middle rod body. A first clamping plate, a second clamping plate and a first fixing bolt are employedto fasten a lantern ring to conveniently disassemble the ground lead hanging devices and regulate the positions of the ground lead hanging devices; when the insulation rod assembling and disassemblingground lead assistant device is completely used, a second regulation nut is loosened, a connection rod is folded upwards or downwards to be parallel to a corresponding rod body, and then the second regulation nut is screwed up so as to save the space; and moreover, the structure is simple, the design is reasonable, the operation is convenient, and the generation of the collision accident of the ground lead and live devices around is avoided. When the ground lead is assembled and disassembled, the insulation rod assembling and disassembling ground lead assistant device can avoid human body damaging by induced electricity.

The invention discloses a method for manufacturing a rigid-flex PCB (printed circuit board). The method includes the following steps that S1, copper foil is cut; S2, the copper foil is coated with a cover membrane; S3, positioning is performed; S4, pressing is conducted, and the copper foil, the cover membrane, a prepreg and a rigid board are pressed; S5, cutting is carried out, the copper foil on the upper portion of the rigid board and the prepreg are cut and removed, and the rigid board below the cover membrane is removed. According to the method, the copper foil is directly coated with the cover membrane which replaces a traditional PI soft board material, so that the binding force between the copper foil and the cover membrane is high, the abnormal condition that the joint of a flex board and the rigid board is layered in the pressing process of the rigid-flex PCB is effectively avoided, and the problem that prepreg powder ejects the flex board after pressing is completed, and thus bad white spots happen to the board surface is further effectively solved; meanwhile, by the adoption of the manufacturing method, the production cost is lowered.

The invention discloses a powder tank and a material level control method thereof, and belongs to the technical field of stirring station powder tanks. The powder tank comprises a powder tank body, the waist of the powder tank body is provided with a feeding port, the bottom of the powder tank body is provided with a discharging port, and the top of the powder tank body is provided with a dust remover; the powder tank further comprises a floating ball level device which floats on the surface of the powder in the powder tank body so as to collect and feedback the level height of the powder in the powder tank body in real time; the floating ball level device comprises a ball body and a sensor arranged in the ball body, and a light gas is filled in the ball body to provide buoyancy for the ball body. According to the low-material position point in the powder tank body collected in real time by the floating ball level device, a worker is helped to determine when to supplement materials anddetermine the amount of the fed powder, so that the bin full or the material shortage stopping production is avoided; and the floating ball level device capable of being floated by airflow is adoptedfor carrying out material level acquisition and feedback, the structure is simple, the structure of the powder tank body does not need to be improved, and the cost is low; and manual bin checking isnot needed, and the safety is high.

The invention discloses a modified asphalt waterproof roll for a railway roadbed. The roll comprises a main rotating shaft, wherein a modified asphalt waterproof roll is mounted on the outer side of the main rotating shaft; antiskid bulges are arranged on the outer surface of the modified asphalt waterproof roll, each antiskid bulge comprises an outer wear-resistant gelatinous layer, a corrosion-resistant layer, a flame retardant layer, a first inner waterproof layer, a first isolation layer, a fracture-resistant layer, a tire base layer, a second inner waterproof layer and a polyurethane rubber layer, the corrosion-resistant layer is mounted on the bottom surface of the outer wear-resistant gelatinous layer, the flame retardant layer is mounted on the lower end surface of the corrosion-resistant layer, the first inner waterproof layer is mounted on the bottom surface of the flame retardant layer, the first isolation layer is mounted on the bottom surface of the first inner waterprooflayer, the fracture-resistant layer is mounted on the lower end surface of the first isolation layer, and the tire base layer is mounted on the bottom surface of the anti-fracture layer. The roll hashigh strength, high temperature resistance, cold resistance, corrosion resistance and high tensile strength.

The present invention is a production process of aluminum alloy die-casting mold steel. The process steps are: a. hot-rolling ϕ200mm electroslag steel and changing it into a forging billet of required shape and size; b. Preheating at 450°C~500°C, holding for 1~2.0h; second stage of preheating at 850°C~900°C for 3min / mm; c. After preheating and holding, slowly raise the temperature to 1160°C~1180°C, fully and evenly heat and hold, and then leave the furnace for forging. The initial forging temperature is 1100 ℃ ~ 1130 ℃ light hammer fast; d, close to the final forging temperature 960 ℃ ~ 1020 ℃; e, after the last forging is formed, change the forging direction; f, after the forging billet is qualified, return to the furnace with high residual heat Heating in medium temperature to 1100±5°C, oil quenching after heat preservation; g, forging billets to be tempered at 740±5°C, 2~3h high temperature, air cooling; the invention can greatly improve the service life of the die-casting mold.

The invention provides a tire steel wire automatic welding and heat treatment machine for preparing high-performance steel shots. The machine consists of a frame, a roller motor, a conveying belt, an extruding roller, a distributor, a distributing brush, a primary positioning mechanism, a chain plate, a position inductor, a contact mechanism, a heat treatment machine and a control system; tire steel wires are positioned on the conveying belt by an electromagnetic absorber, are stretched and straightened on the conveying belt by the extruding roller to enter the distributor, and are uniformly distributed by an electromagnetic vibrator; multiple grooves are formed in the chain plate; multiple rollers are arranged in the grooves; the tire steel wires are fed in the grooves and positioned on the rollers, and are positioned by the primary positioning mechanism and the position inductor in sequence; along with continuous movement of the tire steel wires, when the tire steel wires are contacted with the contact mechanism, the butt welding is realized; when the tire steel wires continuously move to the position of the heat treatment mechanism, the heat treatment machine is ignited to perform a reciprocating motion; the temperature of 350-450 DEG C is adjustable; the lasting time is 20-40 seconds; and the heat treatment is realized.