39results about How to "Adjustment diameter" patented technology

The invention relates to a production device for spiral high-elasticity metal fiber filaments. The production device comprises a treating container, cooling devices, a traction device and a winding device, wherein the treating container, the cooling devices, the traction device and the winding device are sequentially connected from top to bottom; the production device further comprises a heating device arranged outside the treating container, and the heating device is used for heating the treating container; a sealing cover used for sealing the treating container is arranged at the upper end of the treating container and is provided with an air inlet hole and an air outlet hole, a flux pressing and blowing hole is formed in the bottom of the treating container, a center axis of the treating container is connected to a rotary motor through a connecting rod, and the rotary motor can control the treating container to rotate around the center axis. According to the production device, metal fibers filaments are directly formed in a molten-blown mode, the blowing speed of the metal fibers and the diameters of the fibers can be adjusted, and a single fiber filament can be pulled for spinning; the metal fibers become spiral and are fixed in shape by shape fixing devices. The metal fibers are high in elasticity and capable of being bent due to being spiral, and therefore the elasticity of the metal fibers can be greatly improved, and the brittleness of the metal fibers can be avoided. The production device is suitable for producing various metal fibers.

The invention discloses a novel building embedded part device convenient to adjust, comprising a hoop rod, a first support rod, a plug pin and a second support rod, a first lantern ring and a second lantern ring are mounted on the hoop rod, and the first lantern ring is positioned on the outer side of the second lantern ring; a movable groove is formed in the hoop rod; a limiting groove is reserved in the hoop rod; the limiting groove is located at the outer side of the movable groove; and the plug pin is installed on the outer side of the hoop rod, a stop rod is mutually connected with the plug pin through a connecting rod, the stop rod is provided with a magnet, a third supporting rod is installed on the outer side of the second supporting rod, and the third supporting rod is also mutually connected with the second supporting rod through an inserting rod and the limiting groove. According to the novel building embedded part device convenient to adjust, a square structure formed by connecting the hoop rods end to end is conveniently adjusted, so that the size of the square structure is adjusted, the diameter of a reinforcement cage composed of the main rod and the hoop rods is adjusted, and the requirements of building foundation pits of different sizes are conveniently met.

The invention relates to a ball seat and a ball throwing sliding sleeve. The ball seat comprises a base body and a wear-resistant sleeve, wherein the base body is tubular and comprises a first inner diameter tube section; the inner diameter of the first inner diameter tube section is less than the inner diameter of the rest part of the base body; the wear-resistant sleeve is a thin-walled tube; the outer diameter of the wear-resistant sleeve is matched with the inner diameter of the first inner diameter tube section; the wear-resistant sleeve is arranged on the inner wall of the first inner diameter tube section in a sleeving manner; the hardness of the base body is lower than that of the wear-resistant sleeve. According to ball seat and the ball throwing sliding sleeve provided by the invention, during oil production, when flowing through the ball seat, the oil-containing liquid scours the wear-resistant sleeve when the flow speed is high and the flow is large, the wear-resistant sleeve is not damaged easily, and when the flow speed and the flow are reduced, the wear-resistant sleeve is easy to damage in a ball throwing fracturing way; in addition, the inner diameter of the base body is increased, so that the ball seat adapts to changes of the flow speed and the flow of the oil-containing liquid, the inner through diameter of the ball seat is adjusted, and the oil yield is increased.

The invention discloses a cleaning device for anorectal care. The invention relates to the technical field of nursing equipment, including a cylinder. The lower end of the cylinder is provided with a cylinder cap. A guide block is fixedly installed on one side of the horizontal plate, a vertical guide groove is set on one side inside the cylinder, a guide rod is provided under the horizontal plate, a horizontal guide rod is provided under the guide block, and one end of the guide rod and The guide blocks are all located in the guide groove and can move along the guide groove. The other end of the guide rod is fixedly connected with the first disk. The top surface of the horizontal plate is provided with a through hole, and the top surface of the first disk is provided with a screw hole. corresponding to the through hole. The present invention has reasonable structural design, convenient use, and can facilitate the cleaning of anorectal disease, and can adjust the diameter of the device, so that the device can cooperate with the anorectal part of the patient, and can better treat the anorectal part Cleaning keeps the device clean and hygienic.

The invention discloses a soil deep mixing process for in-situ restoration of organic matter pollution, which includes the steps of marking the stirring hole, pre-stirring sinking, spraying and stirring up, stirring sinking and stirring up; the process of the invention has the advantages of fast dispersion of repairing agents , The advantages of uniform dispersion, efficient soil remediation, especially suitable for benzene, benzo(a)pyrene and other organic pollution in the deep soil. The invention also discloses a device for soil deep mixing process for in-situ restoration of organic matter pollution, including a machine frame, a stand, a vertical guide rail, a hoist, a restoration agent bucket, a delivery pump, a delivery hose, a lifting box, a stirring Pile driving mechanism, stirring pile, guide sleeve, observation camera, laser light, and control device; the device of the present invention cooperates with the structure of the repair agent nozzle on the two stirring piles, which can realize spraying repair agent while stirring; the winch cooperates with the vertical The guide rail further realizes the lifting and stirring function; the guide sleeve stabilizes the stirring pile and repairs the role of the chemical nozzle.

The invention discloses a locating pin with adjustable diameter, and belongs to the technical field of positioning pins. The positioning pin comprises a guide section, a positioning section and a fixed section which are sequentially arranged from top to bottom, the central axes of the guide section, the positioning section and the fixed section are coincident, the guide section is locked in the manner that meshing of teeth between the guide section and the fixed section is singe-face meshing, and the diameter of the positioning section is adjusted in the manner that meshing of teeth of the positioning section and the guide section is double-face meshing. The locating pin is mainly used for enabling the freedom degree of parts in the X and Y directions to be zero, the positioning accuracy of the parts is improved, the product yield is improved, the positioning pin can meet the universality requirement to a certain degree, and meanwhile, disassembling and assembling are convenient.

The invention relates to a carbon nano tube in an oriented array, a carbon-coated cobalt nano particle compound and a preparation method thereof. The preparation method comprises the following steps: firstly, a Co membrane is deposited on a Si substrate by means of magnetron sputtering; secondly, the Co membrane is oxidized during heating up plasma-enhanced chemical vapor deposition equipment so as to form small cobalt oxide nano particles; thirdly, working gas H2+CH4 is fed in so as to carry out deposition growth; and finally, the carbon nano tube in the oriented array and the carbon-coated cobalt nano particle composite material are obtained. The compound carbon nano tube is directionally perpendicular to the Si substrate, and the carbon-coated cobalt nano particle is adhered to the topsurface of the carbon nano tube in the oriented array, wherein the carbon nano tube is a multi-wall carbon nano tube; moreover, the cobalt particle is monocrystal cobalt. The preparation method is simple and has the advantages of one-step finishing, easy control and convenient industrial production; moreover, the prepared composite material has an enormous application prospect in fields such as high-density magnetic recording material, wave absorption, biological medicine, electromagnetic screen, sensor and catalytic materials.

The invention discloses a coupling which is convenient to limit the adjustable range, which comprises a main coupling body, a connecting block, a center plate, a cylindrical pin and a return spring, and the outer surface of the main coupling body is engaged and installed There is a connecting block, and the outer surface of the connecting block is fixedly installed with the central plate and the secondary coupling body, and the outer surface of the secondary coupling body is provided with a limiting groove, and the inner surface of the connecting block is provided with a sliding groove. The shaft coupling that is convenient to limit the adjustable range is provided with an adjustable shaft locking ring, and the buckle installed on the outer surface of the shaft locking ring is convenient to install inside the coupling, and the shaft lock The inner surface of the tight ring and the inner surface of the coupling are also provided with a built-in groove, and the moving block can be slidably installed on the inner surface of the built-in groove, and the positioning block with locking ability is fixedly installed on the outer surface of the moving block, and simultaneously positioned The outer surface of the block has a circular convex structure, which is convenient for squeezing and locking the shaft body.

The invention relates to a production device for spiral high-elasticity metal fiber filaments. The production device comprises a treating container, cooling devices, a traction device and a winding device, wherein the treating container, the cooling devices, the traction device and the winding device are sequentially connected from top to bottom; the production device further comprises a heating device arranged outside the treating container, and the heating device is used for heating the treating container; a sealing cover used for sealing the treating container is arranged at the upper end of the treating container and is provided with an air inlet hole and an air outlet hole, a flux pressing and blowing hole is formed in the bottom of the treating container, a center axis of the treating container is connected to a rotary motor through a connecting rod, and the rotary motor can control the treating container to rotate around the center axis. According to the production device, metal fibers filaments are directly formed in a molten-blown mode, the blowing speed of the metal fibers and the diameters of the fibers can be adjusted, and a single fiber filament can be pulled for spinning; the metal fibers become spiral and are fixed in shape by shape fixing devices. The metal fibers are high in elasticity and capable of being bent due to being spiral, and therefore the elasticity of the metal fibers can be greatly improved, and the brittleness of the metal fibers can be avoided. The production device is suitable for producing various metal fibers.

The invention discloses a stamping die capable of improving the product precision, and belongs to the technical field of dies. The stamping die comprises an upper die and a lower die cooperated with the upper die, the lower die is provided with a locating pin with an adjustable diameter, the locating pin comprises a guide section, a locating section and a fixing section arranged from top to bottomin sequence, and the middle axes of the guide section, the locating section and the fixing section all coincide with one another, wherein the fixing section is fixedly connected to the lower die, theguide section and the fixing section are meshed on the single face through teeth to lock the guide section, and the locating section and the guide section are meshed on the two faces through teeth toadjust the diameter of the locating section. The stamping die has the main purpose of enabling the degree of freedom of parts both in the X direction and the Y direction to be zero, thus the locatingprecision of the parts is improved, then the product precision is improved, and using requirements of the product are met.