62results about How to "Equal spacing" patented technology

The present invention provides a preparation method of an uniform-size nanoparticle fluorescent microsphere. The density of fluorescent nanoparticle colloidal aqueous solution of the microsphere is adjusted to the micro-mol level so as to obtain the colloidal solution evenly scattered in the aqueous solution; the evenly scattered colloidal solution in the aqueous solution is injected into oil-phase solvent through capillary at the speed of 0.5 to 1.25 percent Vs/min so as to form droplets and Vs is the volume of the oil-phase solvent; the oil-phase solvent adopts bi- or multi-mixture with the solubility between 2 to 10 percent and the density equal to the density of water; containers and reflux pipes adopt the hydrophobic material; the water in droplets is absorbed by the oil phase and the nanoparticles form a dense sphere; an absorbent continuously absorbs the water dissolved in the oil phase, so that the water content in the oil phase is far lower than the saturation; the nanoparticle polymer with the size from dozens of nano to hundreds of nano, the spherical height higher than 5 percent and the size error less than 10 percent is obtained through regulating the density of the quantum pot colloidal solution and the velocity of the reflux pipe.

The invention provides an automatic vending machine dynamic commodity path and an automatic vending machine, and relates to the technical field of automatic vending machines.The automatic vending machine comprises shelf trays, multiple rolling boards, multiple partition boards and trayblocking bars, the rolling boards are arranged on the shelf trays in sequencein the length direction of the shelf trays in a connected mode, the tray blocking bars are connected with the sidesof the shelf trays, away from the commodity delivering side, locating parts are arranged on the bottoms of the partition boards, a plurality of locating grooves are formedin the rolling boards, and the tray blocking bars provide a supporting force for the partitionboards, so that the positions of the partitionboards are easy to move, meanwhile the commoditiesare prevented from falling from the commodity shelf trays, and through the coordination of the locating parts and the locating grooves, free disassembling and installation of the partition boardsareachieved,the operation is simple and convenient, and a user can adjust the width of the adjacent partition boards according to thesizes of the commodities;the automatic vending machine has the regulative property, the range of application of the vending machine is increased, and the diverse selectivity of the user is improved.

The invention relates to an equidistant scribing ruler. An elongated hole is formed in a ruler body provided with scales in the length direction. A positioning hole is formed at each end of each of a plurality of movable rods, heads and tails of the movable rods are movably connected through hollow rotary shafts, a distance-adjusting rotary shaft is arranged in the middle of each of the movable rods, and the distance-adjusting rotary shafts are disposed in the elongated hole successively. By means of the equidistant scribing ruler, the scribing time is shortened, the scribing quality of a product is improved, and drilling can be completed efficiently and accurately.

The invention relates to the field of garbage treatment, in particular to a moving floating overwater garbage cleaning device which comprises a garbage can body with an opening in the upper end and awater absorption hole reserved in the lower end, a mesh cover, a water absorption pump, a control box, a levelling rack and a levelling part. A water inlet of the water absorption pump is connected tothe water absorption hole of the garbage can body; the upper end of the mesh cover is opened, the lower end of the mesh cover is closed, and the whole mesh cover is placed in the garbage can body; the levelling mechanism comprises vertical supports and a horizontal fixed frame; the vertical supports are fixed onto the outer wall of the garbage can; the horizontal fixed frame is an annular ring connected to the lower ends of the three vertical supports; and equal number of water storage tanks are arranged on the three vertical supports and are fixed onto the vertical supports through encircling hoops. The device has flexibility on cleaning garbage in a moving floating way and can alarm after the garbage are full, so that a sanitation worker can conveniently and timely fish up and take outthe garbage; and in addition, through the levelling part, the device can horizontally float and move, so that the occurrence of the phenomenon that the garbage is dumped into water so as to be incapable of being cleaned is avoided.

The invention relates to a semiconductor device based on double patterns and a manufacturing method thereof and an electronic device. The method comprises the steps that step S1: a semiconductor substrate is provided, and multiple virtual nuclear lamination layers which are arranged in a spacing way are formed on the semiconductor substrate; step S2: square first clearance walls and second clearance walls are formed on the sidewalls of the virtual nuclear lamination layers in turn; step S3: the virtual nuclear lamination layers are removed so that clearance wall arrays formed by the first clearance walls and the second clearance walls are obtained; and step S4: the first clearance walls or the second clearance walls are back etched so that distance between the clearance wall arrays is enabled to be equal. Advantages of the semiconductor device based on the double patterns and the manufacturing method thereof and the electronic device are that (1) the method has better process window and process margin for an SADP technology; (2) homogeneity and consistency of the key size of the patterns can be better controlled; (3) the distance between the clearance wall array patterns is equal; and (4) clearance wall array patterns have great homogeneity and consistency so that final patterns can be greatly controlled, and the final patterns are enabled to have great homogeneity and consistency.

The invention discloses a low-cost and high-quality warp-knitted unidirectional fabric and a production process thereof. A multiaxial warp knitting machine is adopted. The production process comprises the following steps that 1, weft yarns are laid, wherein the weft yarns are laid in a weft yarn laying zone of the multiaxial warp knitting machine, and it is ensured that the separation distances of the weft yarns are equal; 2, weft insertion and binding are performed, wherein the laid weft yarns are conveyed to a warp knitting machine head of the multiaxial warp knitting machine, are compounded with 0-degree warp yarns and then are bound by binding yarns, it is limited that one weft yarn is inserted every one rotating circle of the machine head and is bound. By adopting the process, the weft yarns equal in separating distance can be produced, the unidirectional fabric with the independently bound weft yarns has a flat cloth cover and is flat and straight, the weft yarns can be rough yarns of 200 tex and 300 tex, the raw materials are relatively lower in price, and the fabric cost is lower. In addition, fabric width adjustment is more convenient, waste is relatively little, the cost can be also controlled through device change, and the process is smooth and stable in operation.

The invention relates to the technical field of elevator control, in particular to a contact-free elevator key control device. The technical problems that an existing device is complex in operation, inconvenient to adjust and prone to generating germs are solved. In order to solve the technical problems, the contact-free elevator key control device is provided and consists of a main control mechanism, a trigger mechanism and a disinfection mechanism. By arrangement of a Raspberry Pi control module, an Arduino control module, a voice recognition module, an infrared photoelectric sensor, a pickup microphone, an electromagnet and a relay, a user can achieve key pressing without touching an elevator button with the hand during use, and therefore, the possibility of epidemic situation cross infection is avoided, the spreading risk is greatly reduced, and a safer elevator taking space is provided for passengers; and when the user cannot conveniently press the elevator button with the two hands, control over elevator floor keys can be achieved in a voice mode, and convenience and rapidness are greatly improved.

The invention relates to an air conditioner internal unit capable of achieving temperature self-adjusting. The air conditioner internal unit comprises a unit body and a shunt device, wherein an air inlet and an air outlet are formed in the unit body; and the shunt device communicates with the air outlet. The shunt device communicates with a plurality of air outlet pipelines. Each air outlet pipeline is provided with a plurality of valves which self-adjust the air outlet speed according to the temperature. Each valve comprises a thermosensitive strip block, an amplifying mechanism and a follow-up opening. One end of each amplifying mechanism is connected with the corresponding thermosensitive strip block. The other end of each amplifying mechanism is connected with the corresponding follow-up opening. The air conditioner internal unit capable of achieving temperature self-adjusting can solve the problem of local temperature difference in an air conditioner room.

The invention discloses a tunnel arch foot connecting plate positioning tool and a steel arch construction method. The tunnel arch foot connecting plate positioning tool comprises two or more box bodies, each box body comprises a positioning plate and a cover body, a cavity for containing a connecting plate is formed in the positioning plate, limiting holes corresponding to connecting holes in the connecting plate are formed in the bottom of the positioning plate, a fracture groove is formed in the middle of the cover body, the cover body covers the positioning plates and shields the connecting holes in the connecting plates, and a limiting piece is connected between every two adjacent positioning plates. When the tool is used for construction, firstly, the positioning plates are fixedly installed at the preassembling positions, corresponding to the steel arches, on the two sides, then the connecting plates are fixedly installed on the positioning plates, the limiting pieces are installed between every two adjacent positioning plates and adjusted, the steel arches at the positions, corresponding to arch feet, on the two sides are spliced through the steel arches of the preset size, after the steel arch is fixed, the cover body is installed on the positioning plate, concrete is sprayed, and after the concrete is solidified, the cover body, the positioning plate and the limiting piece are removed. According to the tunnel arch foot connecting plate positioning tool, the connecting hole can be effectively prevented from being blocked.

The invention discloses an anti-deformation metal pipe drilling machine. The anti-deformation metal pipe drilling machine structurally comprises a stand column, a base, a workbench, a metal pipe, a drill bit and a machine body, wherein the stand column is vertically connected with the base, the machine body is fixed to the stand column, the drill bit is installed on the machine body, the workbenchis arranged below the drill bit, the workbench is fixed to the base, and the metal pipe is placed on the workbench. Compared with the prior art, the anti-deformation metal pipe drilling machine has the beneficial effects that through combined arrangement of a supporting device, a clamp, an L-shaped connecting frame, a foundation seat, a sliding rail assembly and a supporting table, the to-be-drilled part can be internally supported, the supporting stability can be greatly improved through the characteristics and hydraulic pressure of a clockwork spring, a metal pipe is effectively prevented from deforming in the drilling process, meanwhile, the device can adapt to supporting of metal pipes with different calibers, and the application range is wide.

The invention discloses a bending device, and belongs to tools. The objective of the invention is to disclose a motor coil winding bending device which is high in bending efficiency and good in bending forming precision. The device comprises an upper die and a lower die, the upper die is composed of two pressing heads (2) fixedly arranged on a hydraulic machine, the bottom face of each pressing head (2) is of a semi-cylindrical structure, and a kidney-shaped guide hole (8) is formed in the center of each pressing head (2); the lower die (3) is fixed on the base (4), and two arc-shaped grooves(7) which are of semi-cylindrical structures and are matched with the bottom surfaces of the corresponding pressing heads (2) in shape are formed in the surface of the lower die (3); a kidney-shaped positioning hole is formed in the center of each arc-shaped groove (7), and two guide columns (1) fixed to the base (4) penetrate through the corresponding positioning holes and are matched with the corresponding guide holes (8). The device is simple in structure and convenient to use.

The invention discloses an office table mat with a heating function and a heating method, relates to the technical field of heat preservation office table mattresses, and solves the technical problem on how to prevent hands from being frozen in the existing office process. A groove body is formed in a table top of an office table; an isolation hood is arranged in the groove body; a heating mat is arranged below the isolation hood; the heating pad is connected to the groove bottom of the groove body; the isolation hood is located between the heating pad and the groove body and connected to the side wall of the groove body; a heating plate is installed in the heating pad; and a temperature control switch and a display are installed on the heating pad. The heating pad is installed on the office table, the groove body is formed in the office table and used for containing the isolation hood, a keyboard or a mouse is manually placed on the heating pad, so that a hand warming function can be achieved during working, and hand warming and working do not affect each other. As the isolation hood is installed on the office table and plays an isolation role, temperature loss is relieved, cold and hot air convection is reduced, and noise transmission generated by knocking the keyboard is reduced.

The invention relates to a production process for a polyethylene and rubber blended waterproof coiled material. In the production process, cutting equipment is adopted. The cutting equipment mainly involves the procedures of traction conveying, cutting treatment, fine treatment, inspection, sealed storage and the like. The production process can solve the following problems in an existing formingand processing process of the polyethylene and rubber blended waterproof coiled material that the efficiency of manually cutting the formed waterproof coiled material according to specified regulations is low, the waterproof coiled material cannot be equally divided according to specified requirements, traditional machining equipment cannot simultaneously control a plurality of cutters to cut thewaterproof coiled material at equal intervals, workers need to adjust the distance between the cutters, adjustment errors exist, and the quality of the processed and formed waterproof coiled materialis affected.

The invention belongs to the technical field of extraction and purification processing equipment in the field of uranium purification and production, and particularly relates to a method for fixing sieve plates of a pulse sieve plate column. According to the method for fixing the sieve plates of the pulse sieve plate columns, transverse fixing of the sieve plates is achieved through a central rod, pull rods and the like so that a gap between a column body and a plate string can be reduced, and mass transfer is sufficiently achieved. Radial fixing of the sieve plates is achieved through the pull rods and pull rod pipe spacers so that it can be guaranteed that the sieve plates are not prone to deformation, and mixed mass transfer is stable. Longitudinal fixing of the sieve plates is achieved through central pipe spacers, so that it is guaranteed that the distances between the sieve plates are equal, and mixed mass transfer is stable.

The invention belongs to the technical field of bearings and discloses a permanent magnet type magnetic bearing pair. The permanent magnet type magnetic bearing pair is characterized in that an innerring (3) of a radial bearing sleeves a shaft (18), outer ring magnetic steel (8) is coaxially mounted on the inner wall of an outer ring (7), inner ring magnetic steel (4) is coaxially mounted on theouter wall of the inner ring (3), and the outer wall of the inner ring magnetic steel (4) and the inner wall of the outer ring magnetic steel (8) are identical in magnetic polarity. One side, close toa thrust collar (22) of a thrust disc (15) of an axial bearing is provided with annular rotating magnetic steel (17). One side, close to the thrust disc (15), of the thrust collar (22) is provided with annular fixed magnetic steel (16). Adjacent sides of the rotating magnetic steel (17) and the fixed magnetic steel (16) are identical in magnetic polarity. The permanent magnet type magnetic bearing pair is free of noise and heat generation, lubrication in a utilization process is avoided, long service life is realized, and bearing of both radial force generated by a radial load and axial forcegenerated by an axial load can be realized.

The invention discloses a pipe auxiliary supporting jig for a machine tool and the machine tool. Various sliding blocks are fixed through cooperation of a rotating shaft end fixed plate, a limit stop,guide shafts, linear bearings, an X-axis end fixed plate and a sliding block fixing seat, the sliding blocks can be arranged between a collet chuck and a bush of the machine tool along the guide shafts, so that lifting and supporting are provided for the middle of a workpiece through supporting shaft sleeves at the tops of the sliding blocks. By means of the pipe auxiliary supporting jig for themachine tool and the machine tool, it can be ensured that the workpiece can be firmly clamped in the process that the machine tool machines precise thin-walled pipes with the outer diameter being 1 mmor below, the workpiece is precisely located, and machining to the workpiece is more stable and reliable. Through lifting to the supporting shaft sleeves and the sliding blocks, the conventional problems of pipe concaving and butt joint dislocation happening during locating and clamping and continuous machining to the workpiece can be avoided. Machining of precise thin-walled pipes with the outerdiameter being 1 mm or below can be achieved, and certain reference is provided for machining of other similar fine rotary parts.

The invention relates to the field of the animal husbandry, in particular to a forage laying and airing device for the animal husbandry. The forage laying and airing device for the animal husbandry comprises a rack, wherein a material barrel is mounted on the top of the rack; a discharging opening is formed in the bottom end of the material barrel; a driving rack is mounted between the rack and the material rack; a driving motor is mounted on the driving rack; a transmission cam is mounted at the driving end of the driving motor through a driving shaft; the driving rack is synchronously provided with a limiting plate; a locking sleeve is mounted in the middle of the limiting plate; a push rod is mounted in the locking sleeve; an extrusion plate is mounted at the rear end of the push rod; astopping plate is mounted at the front end of the push rod; the transmission cam is attached to the extrusion plate; and a clamping groove is formed in the lower end of the discharging opening. By cooperation of cam transmission and an elastic resetting mechanism, gap type discharging is implemented, materials are laid and scattered on a foundation in small piles, it ensures that the distances among the different piles of materials are equal, and the laying and airing effect is improved.

The invention discloses a thick film chip winding and a planar chip. The thick film chip winding comprises more than two single-piece winding units and a plurality of pin headers; each single-piece winding unit comprises an insulating base material and a winding layer, wherein the winding layer is connected to the surface of the insulating base material, and the winding layer comprises at least one winding coil segment; the winding coil segments of more than two single-piece winding units are connected to form at least one winding coil; the side edges of the insulating base materials are fixed by the pin headers, the pin headers connect the more than two single-piece winding units in a series connection mode, a space is reserved between every two adjacent insulating base materials, and the space is determined by the pin headers; and the pin headers are mutually insulated or are conducted through at least one winding coil segment. According to the thick film chip winding provided by the invention, the distance between the two insulating base materials is determined by customizing the pin headers, so that it can be ensured that the distance between the two insulating base materials is equal.