70results about How to "Equal distance" patented technology

A vacuum processing method including placing an article to be processed in a reaction container and simultaneously supplying at least two high-frequency powers having different frequencies to the same high-frequency electrode to generate plasma in the reaction container by the high-frequency powers introduced into the reaction container from the high-frequency electrode. The frequencies and power values of the at least two high-frequency powers supplied satisfy the required relationship. Also, disclosed are a semiconductor device manufacturing method, a semiconductor device and a vacuum processing apparatus.

The invention claims a mast turnover mechanism, including a chassis, a support rod, a movable arm, an operational arm, an amplitude variation oil cylinder, a triangular bracket, a mast and a mast oil cylinder; one ends of the support rod and the movable arm are hinged with the chassis respectively; two ends of the operational arm are hinged with the other ends of the support rod and the movable arm respectively; the operational arm is fixedly connected with the bottom edge of the triangular bracket; two ends of the bevel edge of the triangular bracket are hinged with the mast oil cylinder and the mast respectively through the fifth hinge shaft and the sixth hinge shaft; the chassis, the support rod, the movable arm and the operational arm form parallelogram four-bar linkage mechanism; the amplitude variation oil cylinder can drive the four-bar linkage mechanism to move; the mast turnover mechanism set with amplitude collecting oil cylinder can make the fifth hinge shaft and the sixth hinge shaft revolve relatively. The mast turnover mechanism makes the mast incline forwards to the front end of the pile driving machinery, which reduces the transport height of the pile driving machinery.

The invention provides a ZYNQ-based portable human body impedance imaging device capable of being worn during exercise. Current excitation voltage measurement and a dynamic impedance imaging mode are adopted. The device comprises a wearable electrode array, an excitation source, a collection circuit, a multiplexer, a ZYNQ processor, a display screen and a rechargeable battery. Button electrodes are uniformly fixed to an elastic cord firmly to ensure that the distances between the electrodes are equal; the current excitation source is composed of a processor DDS IP core, a DAC and a V / I circuit to obtain controllable constant current source frequency; the collection circuit comprises a signal amplifier, a single-ended to differential device, a filter and an ADC to ensure a high signal to noise ratio; the multiplexer realizes selection of a working electrode; a ZYNQ is adopted as the processor, a programmable logic device of the ZYNQ realizes signal excitation, a DPSD mode is adopted for measurement to resist all kinds of pilot frequency noise including exercise muscle electrical noise, and image reconstruction and display are realized through on-chip linux or an Android operating system. The device has the advantages of being capable of being worn during exercise, small, free of damage, capable of realizing real-time imaging and convenient to use eventually.

The invention belongs to the technical field of imaging regulation, and particularly discloses a round steel surface imaging regulating device. The round steel surface imaging regulating device comprises a support module, a regulation module and an imaging module, wherein the support module comprises a bottom plate, a top plate and support plates; wherein the top plate is arranged above the bottomplate; the support plates are connected with the bottom plate and the top plate; upright posts are also arranged between the bottom plate and the top plate; the regulation module comprises an ascending and descending oil cylinder; the ascending and descending oil cylinder are fixed on the top plate; a first displacement sensor is arranged at the inside; a positioning lug boss is arranged under apiston rod of the ascending and descending oil cylinder; the imaging module comprises an installing frame and a plurality of imaging units; the installing frame is arranged under the positioning lug boss and is arranged on a guide plate; the axial line is parallel to the horizontal plane; the guide plate is sleeved on the upright posts; a plurality of guide grooves in annular distribution are formed in a cylinder; the plurality of imaging units are sequentially inserted into the corresponding guide grooves and face a round steel to be tested inside the hollow cylinder. The real-time high-precision regulation of the height of a plurality of cameras and the distance away from the round steel surface can be realized; the advantages of simple structure, operation convenience and the like are realized.

The invention provided an equidistance regulator, and relates to a device arranged on a plowshare edge and a seeding machine for regulating the distance between all cutter blades. The equidistance regulator is mainly designed by aiming at solving the problems of time waste and labor waste of distance regulation between all cutter blades of the existing plowshare edge, the seeding machine and the like. The equidistance regulator comprises a base, a side plate, a fixed cutter frame and a movable cutter frame, wherein a cutter frame moving shaft passes through holes of the fixed cutter frame and the movable cutter frame, the two ends of the cutter frame moving shaft are arranged on the side plate, the two ends of a transmission shaft are arranged on the side plate, in addition, one end extends out from the side plate, a crank handle is arranged on the extending-out part, a round tube is sheathed on the transmission shaft, the round tube and the transmission shaft are connected and fixed through screw bolts, a plurality of inclined grooves are formed in the round tube wall, pins are arranged on the top of the movable cutter frame, the top ends of the pins are arranged in the inclined grooves, the distances between the top ends of every two adjacent inclined grooves are identical, the distances between the bottom ends of every two adjacent inclined grooves are also identical, and the distances between the bottom ends of every two adjacent inclined grooves are smaller than the distances between the top ends of every two adjacent inclined grooves. The equidistance regulator has the advantages that the distances between all cutter frames can be regulated at the same time, and the distances between all cutter frames are enabled to be identical.

The invention discloses a cutting tool of a paper shredder. The cutting tool comprises a cutter shaft and blades, wherein the blades are arranged on the cutter shaft at certain intervals; the space between every two blades is provided with a metal spacing ring; and the metal spacing rings are formed by rolling and cutting metal strips. Compared with the prior art, the invention has the advantages that: on one hand, the metal spacing rings are arranged between every two blades at intervals, and the cutting tool has high rigidity and uniform thickness, so that the cutting tool of the paper shredder is firmer integrally and is difficult to deform; and on the other hand, the metal spacing rings are formed by rolling and cutting the metal strips, so that the cutting tool is easy to process, has low cost, small tolerance fluctuation and high consistency and does not generate waste materials during processing. The invention also discloses a corresponding processing method for the cutting tool of the paper shredder.

The electrostatic precipitator (1) includes the housing (8) having the air duct (7) for communicating between the inlet (4) for sucking the contaminated air (3) and the outlet (6) for discharging the cleaned air (5), the air flow generator (10) generating the air flow (9) in the air duct (7), the collecting section (14) having a plurality of adsorption plates (13) rotating in accordance with the adsorption shaft (11), and the discharge section (24) equipped with the charging plate (20) having the discharge surface (21) opposing the adsorption surface (12) of the adsorption plate (13) and a plurality of the discharge electrodes (19) provided at the edge (22) of the charging plate (20) opposite the suction inlet. The fine particles (2) contained in the contaminated air (3) are charged by the corona discharge (CD) generated from the pointed ends (23) of the discharge electrodes (19) and collected by using the Coulomb force while varying the relative positional relationship between fine particles (2) and the adsorption surface (12) at all times by the rotating of the adsorption plate (13).

The invention discloses a hollow floorslab core mold fixing device, which comprises a bottom die plate, a plate bottom bar-mat reinforcement, a plate top bar-mat reinforcement, a group of core molds and plain concrete cushion blocks, wherein the group of core molds are arranged between the plate bottom bar-mat reinforcement and the plate top bar-mat reinforcement, and are arranged in a matrix manner, the plain concrete cushion blocks are arranged between the tops of the core molds and the plate top bar-mat reinforcement; the plate top bar-mat reinforcement is in bound connection with the plain concrete cushion blocks, and is connected with the bottom die plate through a connecting piece; the cross sections of the core molds are rectangle, gaps are reserved between the bottoms of the core molds and the plate bottom bar-mat reinforcement; four vertical side faces of the core molds are all provided with rebar fixtures, so as to clamp the corresponding core molds among the rebar fixtures; the tops of the rebar fixtures exceed the plate top bar-mat reinforcement, and two side faces of each rebar fixture are respectively tightly pressed on the side faces of two adjacent core molds; vertical supports are arranged among the core molds, the upper ends of the vertical supports are connected with the plate top bar-mat reinforcement and the lower ends of the vertical supports are connected with the plate bottom bar-mat reinforcement. The hollow floorslab core mold fixing device has the advantage that the technical problems of the traditional core mold fixing method that the workload is heavy, the integral bar-mat reinforcement rigidity is low, the core mold is easy to damage and the late repair workload is heavy are solved.

The invention provides an adjustable depth sampling frame structure for environmental engineering water quality monitoring, which comprises a base bracket, a gearbox and sampling pipe heads. The top of the base bracket is fixedly connected with one set of gearbox; a rotating shaft of the gearbox is coaxially and fixedly connected with one set of gear; the lower parts of telescopic rods are tightlyconnected with a set of sampling pipe heads by pipe brackets; and the sampling pipe heads are connected with sampling pumps. By arranging a gear and rack drive mechanism and a driving belt drive mechanism and arranging sliding connection plates and fixed connection plates, when four sets of sampling pipe heads regulate a depth, distances among the sampling pipe heads can be guaranteed to be equal, so that a water body can be uniformly sampled, thereby improving sampling accuracy, reducing an error and facilitating accurate detection management on water quality; and the adjustable depth sampling frame structure can be driven by the gearbox, so that automatic regulation of the sampling depth is implemented and manual labor is reduced.

The invention relates to a field-eddy thermal imaging detection system and a method for a surface defect of a steel product / billet. The system can be embedded into a steel product / billet forming production line as an automatic detection and marking module. The method comprises the following steps that a) a to-be-detected object enters an aligning device by a feeding rack; b) the surface temperature of the steel product / billet is transiently heated by high-frequency induction heating equipment in a heating area; c) a thermal infrared imager detection area is entered; d) a thermal infrared imager transmits a signal to a PC (Personal Computer) to obtain temperature difference data of an image and aftertreatment is performed on the image; and e) when the temperature difference of the image is greater than or less than a certain designated value, the PC gives an alarm and transmits a signal to an automatic spray gun for marking to realize automatic marking of a defect position. The method is high in detection speed and high in efficiency, avoids influences caused by nonuniform heating and environmental factors, and can accurately identify and mark the surface defect of the steel product / billet.

The invention belongs to the technical field of aluminum alloy formworks and particularly relates to a combined aluminum alloy formwork. The combined aluminum alloy formwork comprises pull rods, a plurality of first formworks and a plurality of second formworks. The first formworks and the second formworks are parallel mutually. The first formworks are provided with a plurality of first through holes, first annular bosses are arranged on the positions, corresponding to the first through holes, of the end faces of one ends of the first formworks, wherein the ends of the first formworks are close to the second formworks, and the inner diameter size of each first annular boss is greater than that of the corresponding first through hole. Second through holes are formed in the positions, corresponding to the first through holes, of the second formworks, circular tables are arranged in the second through holes in a penetrating mode, and the positions, on the outer side faces of the second formworks, of the circular tables are connected with second limiting plates. The pull rods, the circular tables and the second limiting plates are integrally formed. Second annular bosses are arranged on the inner side faces of the circular tables, the inner diameter size of each second annular boss is greater than the diameter size of the corresponding pull rod, and PVC tubes are arranged on the positions, between the second annular bosses and the first annular bosses, of the pull rods in a sleeving mode. The combined aluminum alloy formwork aims at solving the problems that due to the structural defects of an existing aluminum alloy formwork, resources are wasted, and using is troublesome.

The present invention discloses a method for fabricating a default free silicon mold insert. The method includes providing a silicon mold insert substrate, producing a photoresist pattern, coating a metal film, removing the photoresist pattern, performing heating and annealing, performing dry etching, and removing the metal balls so as to fabricate the default free silicon mold insert. The default free silicon mold insert produced by the method of the present invention can be applied to the nonoimprint process in manufacturing epitaxy wafers to microscopicly provide uniform distances of patterns on the silicon mold insert, and macroscopicly eliminate the grid lines on the epitaxy wafers, and enormously raise the throughput of epitaxy wafer productions. With the ease of application, cheap and fully reproducible nature of the default free silicon mold insert, nanoimprint technology can really replace the stepper machines used nowadays for producing default free nanoimprint mold insert.

The invention relates to a high-precision 3D (three-dimensional) printer with printing smoothness by double-nozzle technology. The high-precision 3D printer comprises a lifting measurement mechanism, a printing platform, a material disk, a wire feeding pipe, a lifting plate, a printing mechanism and two lifting units. The printing mechanism comprises a lifting rod, a second motor, a second driving shaft, a connecting block, a dredging mechanism and two nozzles, and the lifting measurement mechanism comprises a pull wire, a rotating disk, a driving gear, a driven gear, a roller, a key-phase cursor, a key-phase sensor and a supporting rod. When the high-precision 3D printer with printing smoothness by the double-nozzle technology is blocked, the second motor drives the connecting block to switch the nozzles, a pin is inserted into one blocked nozzle to dredge the blocked nozzle by the dredging mechanism, and smooth printing is ensured when the nozzles are switched again. Besides, when the lifting units run every time, the height of the printing mechanism can be increased by one layer by the aid of the lifting measurement mechanism, so that distances among layers of a printed sample can be equal, and high-precision printing is realized.

The invention relates to the technical field of LED circuit boards, and particularly relates to a circuit board with symmetrical bonding pads. The circuit board with symmetrical bonding pads comprisesa circuit board, wherein the circuit board comprises an insulating layer, a circuit layer arranged on the insulating layer and a solder mask covering the circuit layer, the solder mask is provided with an LED lamp bead bonding pad at each part where an LED lamp is required to be welded, each LED lamp bead bonding pad comprises a positive electrode bonding pad and a negative electrode bonding padwhich are symmetrically arranged, the positive electrode bonding pad and the negative electrode bonding pad are the same in shape and size, and the outer contour of the positive electrode bonding padand the negative electrode bonding pad is less than or equal to the outer contour of an LED lamp required to be welded. The outer contour of the positive electrode bonding pad and the negative electrode bonding pad is less than or equal to the outer contour of the LED lamp required to be welded, and positive electrode bonding pad and the negative electrode bonding pad are the same as lamp pins ofthe LED lamp required to be welded in shape and size, thereby effectively preventing the LED lamps from floating and shifting in the process of heating and melting a solder paste flux, thus enabling the LED lamps on an LED lamp strip to be equal in spacing and uniform in light emitting, and being capable of reducing the generation rate of faulty soldering.

The electrostatic precipitator (1) comprises the housing (8) having the air duct (7) for communicating between the inlet (4) for sucking the contaminated air (3) and the outlet (6) for discharging the cleaned air (5), the air flow generator (10) generating the air flow (9) in the air duct (7), the collecting section (14) having a plurality of adsorption plates (13) rotating in accordance with the adsorption shaft (11), and the discharge section (24) equipped with the charging plate (20) having the discharge surface (21) opposing the adsorption surface (12) of the adsorption plate (13) and a plurality of the discharge electrodes (19) provided at the edge (22) of the charging plate (20) opposite the suction inlet. The fine particles (2) contained in the contaminated air (3) are charged by the corona discharge (CD) generated from the pointed ends (23) of the discharge electrodes (19) and collected by using the Coulomb force while varying the relative positional relationship between fine particles (2) and the adsorption surface (12) at all times by means of rotating the adsorption plate (13).

Press rolls for washing or dewatering pulp are disclosed including a core, a mantle section attached around the core, at least one perforated roll plate extending around the circumference of the press roll, and including a plurality of mounting openings disposed between the end edges of the perforated roll plate and distributed around the entire circumference of the press roll, and a plurality of fixing pins corresponding to the mounting openings, each being anchored to the mantle section and surrounded by the corresponding plurality of mounting openings whereby movement of the perforated roll plate relative to the mantle section in a circumferential direction of the press roll is prevented.

The invention discloses a bicycle frame paint spraying device. The bicycle frame paint spraying device comprises a machine body, wherein a spraying cavity with a backward opening is formed in the machine body; a supporting device is arranged in the lower end wall of the spraying cavity; a first supporting shaft and a second supporting shaft are arranged in the supporting device; the first supporting shaft is positioned on the left side of the second supporting shaft; a bicycle frame is erected on the first supporting shaft and the second supporting shaft; and an operation block is fixedly mounted on the upper side of the bicycle frame in the spraying cavity. According to the bicycle frame paint spraying device, through lifting motion of a paint spraying pipe rotating around the periphery of the bicycle frame, the bicycle frame is comprehensively sprayed; besides, the surrounding track of the paint spraying pipe is elliptical, and the paint spraying pipe is in fit with the shape of a bicycle, so that the floor space of the device can be reduced; the distance between the paint spraying pipe and the bicycle frame is equal, so that paint is saved, and spraying is uniform; and besides,the spraying work is continuously performed, and the bicycle frame is comprehensively sprayed and is easy to operate.

The invention relates to the technical field of steel bar machining, in particular to a radius-adjustable steel bar welding, bending and rounding machine. The radius-adjustable steel bar bending and rounding machine comprises a rotatable operation table, a radius adjusting locking assembly arranged on the operation table and a connecting assembly. The radius-adjustable steel bar bending and rounding machine is characterized in that the connecting assembly comprises multiple radial guide parts arranged on the operation table in a radial shape and corresponding parts of the radial guide parts; the radius adjusting locking assembly comprises a main shaft rod, a sleeve and multiple supporting rods with the number corresponding to that of the radial guide parts; and each supporting rod is provided with a connecting end and a moving end, the connecting ends the hinged to the sleeve, and the moving ends are hinged to the corresponding parts. The radius-adjustable steel bar bending and rounding machine has the advantages of being simple in operation, fast, accurate and high in practicality.

The present invention relates to an agricultural machine, more specifically a mulch recovery device suitable for farmland, comprising a frame, a reel, a brush, a battery, an electric motor and wheels, and the frame is provided with a slide block I and a brush. The shape of the slider II corresponds to the chute I and the chute II. There is a brush on one side of the reel, and the distance between the brush and the reel can be adjusted, and the surface of the reel is fixedly connected with thorns. The mulching film recovery device suitable for farmland also includes a sliding shaft and a spring, the sliding shaft is welded and connected to the back of the brush body, the corresponding position of the frame is provided with a through hole and the sliding shaft can slide in the hole, and the spring moves through the sliding hole. On the shaft, between the brush body and the perforation. The distance between the brush and the reel can be automatically adjusted and has a pressing force, and at the same time, it can ensure that the distance between the two ends of the brush and the reel is equal, which solves the problem of unclean and uneven soil removal on the surface of the mulch film on the reel.

The present invention relates to a vaporizer for improving thermal efficiency by miniaturizing a hot water tank by improving arrangement of a spiral pipe and a heater. A liquefied petroleum gas vaporizer has the hot water tank 11 for controlling heating of a heating medium housed in a vessel by the heater 12, and a heat exchange pipe arranged so as to sink in the heating medium of this hot water tank 11, and connects the upstream side of the heat exchange pipe to a liquefied petroleum gas introducing pipe 16 via a fluid pressure regulating valve 15 and a liquid outflow preventive valve 14, and connects the downstream side to a gas consuming pipe 30. The heat exchange pipe is formed of a spiral pipe 13. The heater 12 is arranged in the center of the spiral pipe 13. The spiral pipe 13 and the heater 12 are vertically arranged.

Disclosed are a light source device and a display device capable of improving work efficiency in affixing circuit boards to a member to which the circuit boards are to be affixed. Each circuit board (2) has recessed guides (31, 32, 33) indicating the direction of the circuit board (2), and protruding indicators (51, 52, 53) to be engaged with the guides (31, 32, 33) are formed at the mounting position of each circuit board (2). Workers can visually identify the guides (31, 32, 33), and can easily and accurately identify the directions of the circuit boards (2) by bringing their fingers into contact with the guides (31, 32, 33). Moreover, the workers can easily, accurately, and in addition, uniquely position the circuit boards (2) by engaging the guides (31, 32, 33) with the indicators (51, 52, 53).

The invention provides a pile foundation reinforcement cage elevation and centering positioning device and method, and relates to the technical field of pile foundation construction. The pile foundation reinforcement cage elevation and centering positioning device comprises a limiting base, a positioning ring and an elevation rod, a circular through groove is formed in the middle of the limiting base, and a boss extends from the groove wall of the circular through groove; positioning rods are evenly distributed on the positioning ring in the circumferential direction of the positioning ring, avertical laser emitter is arranged at the intersection point of a cross in the positioning ring, and fastening assemblies are evenly distributed on the positioning ring in the circumferential direction of the positioning ring; a threaded column and a threaded sleeve are arranged at the two ends of the elevation rod correspondingly, the elevation rod is provided with a first scale marking line, and the elevation rod is connected with the positioning ring through the fastening assemblies; and under the condition that the positioning ring is placed in the circular through groove of the limitingbase, the end of each positioning rod abuts against the groove wall of the circular through groove. According to the pile foundation reinforcement cage elevation and centering positioning device and method, the elevation and centering positioning precision and speed during reinforcement cage installation are improved, the pile foundation reinforcement cage elevation and centering positioning device and method can be repeatedly used and are environmentally friendly, and the construction cost is saved.

The invention discloses a uniform grid positioning seed sowing method based on crop ecology experiments. The method comprises the following steps: 1) laying out small cell seedling beds; 2) customizing and laying grids; 3) encoding the grids, and confirming a seed sowing scheme; 4) sowing seeds into the grids; 5) thinning seedlings after seedling emergence; 6) carrying out sampling. By adopting the method, positions of individual plants can be accurately positioned through the grids, seeds can be uniformly sown, distances and seed sowing depths of individual seedlings of wheat can be determined, and advantages of uniform and equal seedling distances, uniform individual sizes and accurate individual plant positions after wheat seedling emergence are achieved. The method disclosed by the invention is easy to operate, provides a scientific basis for studying interactions of individuals in a crop population and relationships of population behaviors and studying interactions of individual plants and ecological study on dense planting plants, and has popularization values.

A suspension strut for a vehicle has an air spring unit and a damper unit. The damper unit has a damper tube, which extends into a rolling tube of the air spring unit. The damper tube has supporting geometries distributed over its circumference, against which supporting geometries a radially expanded end of the rolling tube is supported. In order to support the rolling tube on the supporting geometries of the damper tube, a torsion element is provided. The torsion element is arranged between the radially expanded end of the rolling tube and the supporting geometries of the damper tube. The torsion element forms a form fit with the supporting geometries for the purpose of torque transmission.

The invention provides an efficient and automatic jujube picking machine, and belongs to the field of mechanical fruit picking. The efficient and automatic jujube picking machine comprises an operation rod, a slide rail frame and a fruit sorting device, wherein the operation rod is fixedly connected with the rear end of the slide rail frame; side plates are arranged at the two sides of a fruit sorting plate of the fruit sorting device, the fruit sorting plate is arranged below the front end of the slide rail frame and slidably connected with the slide rail frame, a horizontal adjusting deviceis fixed to the bottom of the slide rail frame, and multiple slide blocks are uniformly distributed between the two side plates; a first through hole is formed in the middle of each slide block, second through holes are symmetrically formed in each first through hole up and down, gears are arranged in the first through holes, and every two adjacent slide blocks are hinged to each other through hinging pieces; a hexagonal shaft penetrates through inner rings of the gears, optical axis guide rails penetrate through the second through holes, and adjusting modules for rotating and limiting the hexagonal shaft are arranged on the outer walls of the side plates; a fruit sorting tooth is arranged between each slide block and the fruit sorting plate, and a section of rack is arranged on each fruitsorting tooth. By means of the jujube picking machine, the jujube picking efficiency can be improved, and work of picking jujube fruits with different densities and sizes is achieved.

The invention discloses an ornamental tree and shrub efficient centering device capable of preventing damage. The device comprises a fixing base, a movable plate, a movable frame and a fixing belt, wherein the two sides of the lower portion of the fixing base stretch out to form a rectangular solid cast iron structure for positioning a ribbed plate, the movable plate is arranged above the fixing base and is in sliding fit with the fixing base through a sliding groove, an arc groove structure is formed in the middle of the movable frame, the movable frame is in sliding fit with a steering wheelthrough an arc groove, the fixing belt is flat nylon tape with the width larger than 5 cm, and the fixing belt is arranged over the center of the steering wheel. A take-up reel and an anti-inversiondevice can stably tension the fixing belt through a steel wire rope, the fixing belt is wound around the upper end of an ornamental tree and shrub, yawing force is applied to the ornamental tree and shrub, a fertilization frame is used for adding fertilizer and auxin to the ornamental tree and shrub, self-centering of the ornamental tree and shrub is promoted, and the damage caused by external force application is reduced.