237results about How to "Guaranteed Orientation" patented technology

The invention relates to a technology for preparing a single crystal high-temperature alloy and especially provides a method for inhibiting stray crystal formation and growth in seed crystal initiating terminal and the shuttering structure. The preparing method based on seed crystal method comprises: preplacing the seed crystal in the shuttering, arranging a necking structure in the initiating terminal, forming stray crystal in the initiating terminal of inhibiting the seed crystal growth, and growing into the single crystal from the alloy melt on the unmelted interface of the seed crystal in the form of the epitaxial growth. The shuttering structure in the invention is the shuttering structure for preplacing the seed crystal, a necking structure is arranged on the bottom of the shuttering over the initiating terminal of seed crystal growth. The invention combines the seed crystal method initiating terminal design with the necking crystal-selecting device for inhibiting and removing the stray crystal in the process of the single crystal growth, controlling the crystal orientation, and improving the single crystal yield.

The invention relates to a parallel multi-objective optimized scheduling method for a cascaded hydropower station group. A multi-population evolution strategy is used to ensure the relative independence of small-scale subpopulations, elite individuals of a Pareto solution set are coupled to an inter-population annular migration mechanism in the evolution process, information is transmitted and back fed mutually among the subpopulations, and the individual diversity and guidance quality of the solution set are ensured; and a multi-core parallel calculation technology is used to realize synchronized evolution of the subpopulations, waste of calculation resources under in the serial calculation mode is avoided, and calculation is accelerated. According to the invention, the calculable scale of optimized scheduling of the cascaded hydropower station group is further enlarged, a reasonable and feasible scheduling scheme set is provided for a decision maker, the calculation efficiency is ensured, and the method of the invention is a feasible method to realize multi-objective optimized scheduling for the cascaded hydropower station group.

The invention provides an automatic bottom cap mounting machine. The automatic bottom cap mounting machine comprises a machine frame and a control mechanism, wherein a first flat plate and a second flat plate which are arranged up and down in a spaced manner and are used for mounting components are arranged on the machine frame; the control mechanism is used for controlling the operating of the overall automatic bottom cap mounting machine; the automatic bottom cap mounting machine further comprises a material supply device which is used for storing and automatically releasing bottom caps, a cap arranging device which is used for arranging the bottom caps, and a cap compressing device which is used for compressing the bottom caps to bottle bodies, wherein the feeding end of the cap arranging device is connected with the material supply device; the discharge end of the cap arranging device is connected with the cap compressing device. The automatic bottom cap mounting machine is simple in structure, easy to operate, low in manufacturing cost, long in service life and easy to maintain and repair; the production cost and the labor intensity of a worker can be effectively reduced; the cap arranging and compressing effects are good; the production efficiency is greatly improved.

The invention provides a moulding method for composite material irregular pipe fitting and a moulded pivot thereof. The support pivot made of the materials with low softening temperature and high melting point is arranged at the irregular position of a pipe, which is matched with the irregular position in shape. Macromolecule composite carbon fiber is coated on the support pivot so that the thickness of the support pivot reaches the required thickness of the shell of the pipe before the coated support pivot is arranged in a forming die; the support pivot is arranged in a blast pipe for heating and extrusion forming; after the pivot is cooled, the melted and deformed support pivot is taken out from the pipe, thus completing the forming process of the irregular pipe fitting. By adopting the support pivot, flexible macromolecule composite carbon fiber can be braided and preformed according to the shape, and the fiber grain direction when the macromolecule composite carbon fiber coils yarn is ensured. While hot air is fed to the blast pipe and the blast pipe is pressurized so that the macromolecule composite material is melted and shaped, the support pivot with low softening temperature and high melting point is melted and deformed; after the formed irregular pipe fitting is cooled, the support pivot is deformed and broken; subsequently, a tool is used for taking out the broken support pivot from the irregular pipe. The disposable support pivot brings convenience to moulding of irregular pipe fittings.

The invention provides a fan control method and device, a fan and a readable storage medium. The control method includes the following steps that a human body detection signal is obtained, wherein thehuman body detection signal is used for indicating whether the human body exists in the coverage area of a fan rotation path or not; according to the human body detection signal, the fan is controlled to rotate. The human body detection signal is used for indicating whether the human body exists in the coverage area of the fan rotation path or not, when the human body is detected, the fan is controlled to rotate to a suitable position, and it is ensured that wind blown by the fan is directed towards the human body, thus avoiding the waste of resources.

The invention discloses an engine transition connecting plate positioning tool which comprises a rack (1). A base plate (2) is arranged on the rack and is provided with a positioning mechanism (3), aplurality of vertical compression mechanisms (4), a horizontal jacking and butting mechanism (5) and a plurality of bottom face adjusting mechanisms (6); the positioning mechanism (3) comprises a plurality of positioning pins (31) fixedly arranged on the base plate and used for supporting and positioning a product (100); and the multiple vertical compression mechanisms (4) are fixedly arranged onthe base plate (2) in the circumferential direction of the product (100), when the product is placed on the positioning pins (31), the vertical compression mechanisms (4) conduct compression limitation in the vertical direction of the product, the horizontal jacking and butting mechanism (5) conducts compression limitation on the side wall of the product, and the bottom face adjusting mechanisms (6) are used for adjusting the product flatness, and over-positioning is avoided. According to the engine transition connecting plate positioning tool, the product is subject to multi-angle positioninglimitation, and positioning is accurate and stable.

The invention discloses a movable conductive structure of an electrode of a seam welder, which comprises an electrode axis of which one end is provided with an electrode wheel, an electrode holder sleeved on the electrode axis, and a silver sheet arranged between the electrode axis and the electrode holder; a compression spring is arranged between the electrode axis and the electrode holder; the part of the electrode holder provided with the spring is provided with a spring compression regulating device; and the compression of the compression spring in the structure is adjustable, so that the electric conductivity of the conductive structure is better and the electric conduction is more stable. The movable conductive structure also simplifies the movable conductive structure in the electrode of the seam welder, has convenient installation and maintenance, miniaturizes the movable conductive structure, reduces manufacturing time and manufacturing cost of the conductive structure, has adjustable spring force, and reduces the replacement frequency of the silver sheet and the use cost of the conductive structure.

The invention belongs to the field of metal residue detection in the rubber industry, and particularly relates to an automatic X-ray metal detection and rubber cutting machine. The machine comprises a material transport and conveying belt, an X-ray detector, a cutter structure and a PLC (Programmable Logic Controller) control component, wherein the material transport and conveying belt is used for conveying a to-be-detected rubber material to advance at the predetermined speed along the predetermined direction; the X-ray detector is used for performing on-line detection on the rubber material passing through an induction end of the X-ray detector; the cutter structure is arranged at a belt surface at the rear of an induction area of the X-ray detector in the conveying direction of a conveying belt part; and the PLC control component is used for receiving a metal induction signal transmitted by the X-ray detector, performing coordinate point positioning in a plane coordinates system based on transverse movement positioning of the cutter structure and longitudinal movement positioning of the conveying belt part, and driving a power mechanism to drive a cutter part to make lifting movement to cut the rubber material under the cutter part. The machine can realize the effect of rapid-pace and high-efficiency metal detection and rubber cutting operation, and can also guarantee the accuracy and reliability of the rubber cutting operation.

The invention discloses a garlic inserting machine based on intermittent automatic seeding, grading, arrangement, and righting. The machine comprises a frame, and a master garlic storage tank is arranged at one side of the frame and communicates with a garlic collection container. A belt transmission device is installed at one side of the garlic storage tank, a conveying belt of the belt transmission device is equipped with feeding claws, and garlic seeds are conveyed to a seeding bin located at the top of the frame through the feeding claws. The bottom of the seeding bin is equipped with a grading sieve, which is driven by a driving device for grading garlic seeds, and the garlic seeds graded by the grading sieve reach a seed taking device through a pre-seed-taking chute. The seed taking device comprises a drum, which is equipped with garlic taking spoons. The garlic seeds in the garlic taking spoons fall in a seeding roller with the rotation of the drum through a garlic receiving chute. The seeding roller rotates, and the garlic seeds pass through a seeding roller port, fall along a righting spiral pipe, are righted, and enter a garlic inserting hand, which is controlled by a control device for garlic insertion and resetting.

The invention discloses a T-shaped beam casting special mold and a using method thereof, and relates to the technical field of T-shaped beam manufacturing. The T-shaped beam casting special die comprises a guide rail, wherein a walking trolley is arranged on the sliding rail in a sliding mode, a left mold and a right mold are symmetrically arranged on the walking trolley, the left mold comprises frames and panels connected to the inner side of the frames, the walking trolley is provided with mold guide devices which are positioned at the outer side ends of the two frames and provided with high-stroke spaces, the outer side ends of the two frames are provided with overturning type demolding mechanisms, an automatic slope adjusting mechanism and a locking mechanism are arranged on each frame, the tops of the automatic slope adjusting mechanisms and the tops of the locking mechanisms are hinged to the bottom of rotatable parts of the panels, combined adjusting mechanisms for adjusting theheight of the left mold and the bottom of the right mold are arranged at the bottom of the left mold and the bottom of the right mold, and supporting columns which are convenient to assemble and disassemble are arranged on the outer sides of the tops of the two frames, and during use, the supporting columns are subjected to mold closing and grouting, demoulding. The T-shaped beam casting specialmold has the advantages of being complete in function and good in T-shaped beam forming quality.

Disclosed is a high-speed spinning method of polylactic acid fiber. The method includes steps of introducing polylactic acid high polymer particle in a screw extruder to melt and extrude; after being filtered, introducing a metering pump; after metering, introducing to a spinning box to spin; stretching strands through an annular blowing air-cooling device and an oiling device orderly; introducing to a silk holding barrel after being delivered and cut off by a feeding device, and obtaining the polylactic acid fiber. The high-speed spinning method of the polylactic acid fiber is characterized in that the annular blowing air-cooling device includes a cooling cylinder in which an inner guide flow sleeve is provided; a surface cooler, which is arranged between the cooling cylinder and the inner guide flow sleeve; the oil feeding device includes an oil disk on which an upper oil wheel is provided; an oil disk supply pipe of which oil outlet is stretched to an oil disk cavity; a self-circulation adjusting mechanism of the oil disk agent is connected with the oil disk bottom plate; the feeding device comprises a column body, and the middle thereof is provided with a strand absorbing hole, a strand transition cavity and a strand center guide hole; one side of the column body is provided with a lifting groove; a gas cavity sealing ring, which is fixed with the column body; a lifting groove opening and closing cover, which is arranged on the column body. The high-speed spinning method can meet the rapid cooling of melt strands and oil application of high-speed spinning, and ensure the spinning quality.

The invention provides a guide sleeve of a forging press. The guide sleeve is an annular guide sleeve composed of a fixed guide sleeve and a movable guide sleeve. The fixed guide sleeve and the movable guide sleeve are in wedge-shaped fit. The movable guide sleeve is arranged at inner side of the fixed guide sleeve and can move along an inclined surface. The inside surface of the movable guide sleeve is contacted with a forging press upright post. The outside surface of the fixed guide sleeve is contacted with a forging press machine frame. According to the guide sleeve of the forging press disclosed by the invention, the fixed guide sleeve and the movable guide sleeve, which are matched with each other, are used; the original structure can be still kept continuously after being worn; and the guide sleeve can be prevented from being replaced frequently.

The invenion relates to a piston rod connection device, which connects a piston rod with a piston, especifically for use in master cylinder of hydraulic actuation system in vehicl, wherein, the piston rod can be in pivoting movable coupling to a pistion which is axial movably mounted in housing along a longitudinal axis, such that the rod is pivotable around an angle in a pivoting plane. According to the invention, at least one first forming element is provided on a first end of the rod in fanction connection to the pistion, the first forming element corresponds to the second forming element thereby avoiding the piston torsion.

The invention discloses a high-precision drill bit, comprising a tool body and cutting blades; the tool body is composed of a shank portion, a cutting end portion and a peripheral surface located between the shank portion and the cutting end portion; the cutting blades are located on the cutting end portion; a cooling channel penetrating from the shank portion to the cutting end portion is formed in the tool body; a chip pocket for removing chips is formed in the peripheral surface; shaft guiding bar groups are arranged at positions, corresponding to every cutting blades, on the peripheral surfaces; each shaft guiding bar group comprises at least two shaft guiding bars; every two adjacent shaft guiding bars in each shaft guiding bar group, the peripheral surface and a surface machined define a sealing region; at least one communicating hole is formed in each part, between every two adjacent shaft guiding bars in each shaft guiding bar group, of the peripheral surface; and each communicating hole communicates with the cooling channel. The high-precision drill bit has the characteristics of low circumferential stress on each shaft guiding bar, high precision and long service life.

The invention discloses a stamping die and a wedge mechanism thereof. The wedge mechanism comprises a roller installed on a slider through a rotary shaft, the roller rotates around the rotary shaft and relative to the slider, and the tangential direction of the roller is the sliding direction of a concave V-shaped guide plate and a convex V-shaped guide plate; a drive base is provided with a roller drive base, a sliding guide face of the roller drive base is matched with the roller, and the roller rolls along the sliding guide face. Thus, by means of the roller structure, before the concave V-shaped guide plate on the slider makes contact with the convex V-shaped guide plate, the slider and a trimming or flanging insert installed on the slider are pushed to move close to a board due to the fact that the roller moves along the sliding guide face, trimming, flanging and shaping can be carried out, the size is small under the same slider moving stroke, and accordingly machining and manufacturing cost is reduced. Besides, installation space of the wedge mechanism in the stamping die is reduced, the size of the die is reduced, and die development cost is reduced.

The invention discloses buried type movable garbage disposal equipment based on worm gear and lead screw transmission in the technical field of garbage disposal equipment. The buried type movable garbage disposal equipment based on worm gear and lead screw transmission comprises a main framework, a lifting platform and a jacking transmission mechanism, wherein the lifting platform is further provided with a vertical lifting guide mechanism; the jacking transmission mechanism comprises lead screws, nuts and a bottom supporting base; the nuts are fixedly installed on the lifting platform; the axial length direction of the lead screws is consistent with the lifting direction of the lifting platform; the head portions of the lead screws are rotationally installed on the main framework; the foot portions of the lead screws are rotationally installed on the bottom supporting base; at least four sets of the lead screws and the nuts, and the number of sets is an even number; the lead screws and the nuts are symmetrically arranged; the foot portions of the lead screws are fixedly sleeved with worm gears; a rotation acting mechanism capable of driving the lead screws to rotate is arranged on a ground foundation below the lifting platform and comprises a worm meshed with the worm gears and a drive system capable of driving the worm to rotate. The synchronism of the lifting action of the lifting platform can be accurately controlled, and the structure is simple and reasonable.

The invention discloses a road-rail-vehicle steel rail guiding device. The road-rail-vehicle steel rail guiding device is installed on a vehicle frame of a vehicle, and comprises a framework, oil cylinders, a wheel shaft assembly, rotating shafts and springs, wherein the wheel shaft assembly is arranged below the framework, is connected with the framework through rotating shafts, can encircle therotating shaft and rotates relative to the framework; the springs are arranged at the two ends of the wheel shaft assembly in the axial direction, and are connected with the framework; the framework is hinged to vehicle-frame installing bases on the vehicle frame, and the framework can rotate around the installing bases; one ends of the oil cylinders are hinged onto the vehicle-frame installing bases, the other ends of the oil cylinders are hinged to the framework, lifting of the steel rail guiding device is achieved through stretching of the oil cylinders, and switching of vehicle railway orhighway is achieved through lifting of the steel rail guiding device. By means of the road-rail-vehicle steel rail guiding device, the technical problems that in an existing steel rail guiding device,rigid connection exists in the guiding wheels, and cannot adapt to the condition that the left portion and the right portion of a steel rail are uneven, the structure is complex, and space is occupied are solved.

The invention relates to an electromagnet testing device, which can realize electromagnet static performance and dynamic performance test. A static performance device comprises a precision displacement adjusting device, an orientating and locking device, a force test and strutting device, an electromagnet fixing device and a displacement test device, and can obtain electromagnet static characteristics in different strokes. Based on the electromagnet static device performance device, a dynamic performance test device is partially improved by providing a pretightening force loading device. The pretightening force loading device comprises a support bar, a spring, a loading rod and a third straight bearing, wherein the third straight bearing provides straight-line guidance for the loading rod; the loading rod can move left and right in the support bar; the spring performs compression or stretch under the relative displacement between the support bar and the loading rod, and generates required pretightening force, thereby obtaining electromagnet dynamic characteristics under different pretightening force.

The invention relates to a preparation method of a zinc oxide nanometer wafer array with large area and high orientation, which belongs to the technical field of the preparation of nanometer material array, and comprises the following steps that: zinc nitrate hexahydrate and hexamethylene tetramine with equal mole number are dissolved in deionized water and are treated by ultrasonic wave for a long time to obtain reaction solution; an FTO conductive glass substrate which is loaded with a zinc oxide film with the thickness of 200 nm is repeatedly washed by acetone, absolute ethyl alcohol and deionized water, and finally the conductive glass substrate is dried to be used as a growth substrate. The substrate which is well treated is arranged into the reaction solution which is prepared in the first step to be heat preserved in different stages after being sealed, and the substrate is washed and dried to obtain the zinc oxide nanometer wafer array. The preparation method has the advantages that: the prepared product has large yield and large specific area, low reaction temperature, high efficiency and low cost, and is applicable to the parts such as dye sensitization solar battery, and is particularly applicable to the industrialized mass production.

The invention discloses a clamping and feeding device for cable laying in cable trench. The device comprises a vehicle plate, supporting rods and a conveying mechanism. The supporting rods are symmetrically installed on the vehicle plate, supporting seats on the two sides are connected through a transverse rod, a notch is formed in the right side of the vehicle plate, and the upper portion of theconveying mechanism is installed on the lower portion of the vehicle plate through a support; the conveying mechanism comprises a shell and servo motors symmetrically arranged in the shell. Two sets of rollers are arranged on each of the two sides in the shell, one end of each roller on the front portion of the shell is connected with a synchronous belt wheel through a synchronous belt, the rollers on the two sides are connected through conveying belts, and a cable enters the transmission mechanism through a feeding port, is arranged between the conveying belts on the two sides, extends out ofthe shell through a discharging port and is arranged in a cable trench. When the clamping and feeding device is used, the feeding device is arranged on the upper portion of a cable trench, cables arelaid in the cable trench through the conveying mechanism, and the problems that in the prior art, the manual laying speed is low, labor intensity is high, and the laying process effect is poor, so that working efficiency is reduced are solved.

The invention discloses a high-durable household mounting box for an external unit of an air conditioner. The mounting box comprises a box body, wherein the inner part of the box body is provided with the external unit, the left side of the external unit is provided with a heat radiating device, the right end of the box body is provided with a window-blind, the lower end of the right side of the external unit is provided with a dust collecting device, the upper side of the box body is provided with a fixing plate, the upper side of the fixing plate is provided with a rotating shaft, the left side of the rotating shaft is provided with a driving motor, a rotating disc is arranged on the rotating shaft, support rods are arranged at the four corners of the upper side of the rotating disc, a solar electric panel is arranged at the upper sides of the support rods, connecting blocks are arranged at the front and rear sides of the upper and lower ends of the left side of the box body, the outer sides of the connecting blocks are provided with fixing blocks, the lower end of the front side of the box body is provided with a support plate, the upper side of the support plate is provided with a water collecting tank, the right end in the water collecting tank is provided with a water pump, the right side of the water pump is provided with a water pumping pipe, the upper side of the water collecting tank is provided with a water collecting bowl, and the lower end of the water collecting bowl is provided with a filter net. By arranging the heat radiating device, the solar electric panel, a rain collecting device and the dust collecting device, the mounting box effectively saves resources, protects the environment and ensures the normal running of the external unit.