77 results about "Arch height" patented technology

An embodiment of the invention provides a three-dimensional (3D) display device and a manufacture method thereof, which relate to the technical field of 3D display. A parallax retaining board can be manufactured in a display device box molded through opposite boxes, arch height of a lens is reduced, increasing of new processes or adoption of new production devices is avoided, and production cost is reduced. A 3D liquid crystal display device comprises a grating layer, a thin film transistor (TFT) array substrate molded through opposite boxes and a color film substrate. The TFT array substrate comprises a plurality of pixel units divided through grating lines and data lines crossing transversely and vertically. Each pixel unit comprises a pixel electrode and a TFT circuit. Each pixel electrode of each pixel unit comprises at least two left view field pixel electrodes and at least two right view field pixel electrodes, and the left view field pixel electrodes and the right view field electrodes are at interval. The TFT circuit of each pixel unit comprises a first sub TFT circuit connected with the left view field pixel electrodes and a second sub TFT circuit connected with the right view field pixel electrodes. The embodiment of the 3D display device and the manufacture method are used for manufacturing the 3D display device.

The invention discloses a continuous locus intersegment connecting speed processing method for a numerical control system, which comprises the following steps of: determining an adjacent two-segment locus connecting model, and acquiring the movement parameter of the adjacent two-segment locus to be processed; calculating the path length of the adjacent two-segment locus to be processed; calculating the speed of a connecting point of the adjacent two-segment locus under the conditions of acceleration, arch height error, instruction feeding speed and corner constraint; calculating the speed of the connecting point of the adjacent two-segment locus satisfying the condition S curve acceleration and deceleration control-based path length constraint of the front segment locus in the adjacent two-segment locus; and calculating the speed of the connecting point of the adjacent two-segment locus satisfying the condition S curve acceleration and deceleration control-based path length constraint of the rear segment locus in the adjacent two-segment locus, wherein the calculated speed is used as a final value of the adjacent two-segment locus connecting speed. The invention provides the continuous locus intersegment connecting speed processing method for numerical control equipment, so that the processing locus of the numerical control equipment is continuous and the speed is smooth.

The invention relates to a pushing type tile shape magnet internal and external cambered surface and mongline bidirectional automatic chamfering compound grinding machine, comprising an electrical appliance control system, an electromotor and reduction box thereof. The compound grinding machine is characterized in that a magnetic tile feeding pushing type advancing mechanism is arranged; a grinding head grinding wheel component used for grinding tile shape magnet outer arc cambered surface is arranged; a grinding head grinding wheel component used for grinding tile shape magnet inner arc cambered surface, chord width and arch height is arranged; a horizontal swing pusher dog is arranged behind the two grinding heads and grinding wheels; a chamfering movement mechanism is arranged behind the horizontal swing pusher dog, and the chamfering movement mechanism comprises a tooling moving up and down and a chamfering grinding head grinding wheel component. The invention has the positive effects that automatic processing of outer cambered surface, inner cambered surface, chord width, arch height, outer arc end face chamfer and inner arc end face chamfer can be finished in one step by a complete machine for 'short wide flat magnetic tile', labour and processing time are saved, energy consumption is reduced, and labour productivity and quality percent of pass are improved.

An integrated circuit package system includes an arched pedestal integrated circuit die including an active surface, a die mounting surface, a pedestal portion including an arch intersecting the die mounting surface and having an arch height, and the arch under a portion of the active surface and having an arch width less than the arch height.

The invention discloses a motion control system based on non-uniform rational B-spline (NURBS) curve interpolation. The system comprises an upper computer, a lower computer, a motor driver a motor and a mechanical structure which are connected sequentially; the upper computer calculates an interpolation point through an interpolation module, and transmits the calculated coordinate value list to the lower computer; the lower computer converts a coordinate value into the corresponding pulse number, sends a pulse to the motor driver, controls the motor to rotate and drives the mechanical structure to act; the interpolation module is an NURBS curve interpolation module, and solves the length of the whole curve by a large-density dicretization method; the interpolation period T and interpolation speed V are set, and the interpolation base step delta s and arch height error delta delta are solved and the relationship between the arch height error delta s and the required error delta 1 is compared. The invention provides the motion control system based on a NURBS curve interpolation method, in which the step speed and accuracy are considered together, the calculated amount is small and the NURBS interpolation is easy to implement.

A system of progressively-sized orthotic inserts is provided to allow increasing measured support that corresponds with the changes that occur in a child's arch as the foot develops. The orthotic insert system is designed to address the specific needs found in the foot for children of ages of about 2-8 years. Each of the plurality of inserts is designed to encompass two shoe sizes and vary in arch height relative to the insert length so that motion control and stabilization for the child's foot is provided. In addition, a contoured heel cup and rear foot post is provided to position the foot in a neutral position.

A design concept for foot orthotics having several different optional features and sub-features is disclosed. The design is useful for supporting and correcting abnormal foot posture. The disclosure contemplates different types of footwear in addition to user's gender, age, weight, foot size, activity level and medical condition. Varying types of midfoot sections and heel portions are employed having specific arch support. The design further provides the benefits of custom foot casting while having mass producible parts. Also disclosed are design choices for thickness and width of the orthotics and preferred materials for a wide range of applications. Additionally, a method is disclosed for choosing particular orthotics for a particular person from a set of total possible orthotics available. The set of orthotics will contain sub-sets of specific arch heights, widths and thicknesses of orthotics.

The present invention provides a complex curved surface five-axis flat-bottomed cutter strip-width-maximization machining feedrate offline programming method. The method comprises a step of calculating the position of machine tool each shaft corresponding to each discrete cutter position in a cutter rail according to a machine tool kinematics model, a step of establishing a time optimal feeding speed model with the speed, acceleration, jerk limit and curved arch height error of the machine tool each shaft as constraints, and obtaining the maximum feeding speed which satisfies machine tool performance of each cutter position in the cutter rail, a step of using a discrete vector intersection method to determine a cutter participation cutting zone and cut-in and cut-out angles and estimating the total cutting force of the cutter on the above basis, a step of establishing a feed speed optimization model with a maximum feeding speed as a target, the maintenance of the maximum cutting force in the cutter cutting process around a given cutting force threshold value as a constraint, and the satisfaction of a condition that a feeding speed is smaller than the maximum feeding speed, and obtaining the feeding speed of a cutter position by using a dichotomy solution model, and a step of outputting an NC code according to a concrete NC system. The method is suitable for the rough and fine processing of a free curved surface.

The invention relates to a construction method of integrally rotating, drawing up and slipping a large steel arch structure, belonging to the technical field of construction. The method is realized in a construction environment formed by large steel arches and a series of construction auxiliary equipment according to some steps. The large steel arches are assembled on the ground after parallel movement having a certain distance with a design position, and then rotate and carry out drawing up around two skewback connecting lines; rotation and drawing up of each large steel arch are realized by depending on pulling up a sling by a cross-core jack arranged at the top part of an A-shaped support frame; controlling each large steel arch to slip after rotating and drawing up each large steel arch to a state of a little inclining with a vertical surface so as to boost the jack to force the push force on skewbacks and enable each large steel arch to slowly slip in a grading way by making use of the forward push force of the skewbacks under the deadweight action; at each grading target state position, the slippage of each steel arch is paused so as to carry out regulation of large steel arch height once; and after the skewbacks slip to the design position, the height of each large steel arch is regulated for the last time so as to enable each large steel arch to achieve a design configuration and fix the skewbacks according to the design requirements finally.

The invention provides a method and device for support design of a three-soft coal bed mining roadway, and belongs to the technical field of coal mining. The problems that in the prior art, support parameter design for the three-soft coal bed mining roadway is not reasonable, and consequently roadway supports fail, the roadway repair cost is increased, and safe and efficient production of mines is seriously affected can be solved. The method includes the steps that the structure of the three-soft coal bed mining roadway is sequentially divided into a roadway roof, two roadsides and a roadway floor from top to bottom; a roof limit equilibrium arch equation, the roof limit equilibrium arch height and the maximum damage depth of the two roadsides are sequentially determined according to the limit equilibrium ring theory of surrounding rock of the three-soft coal bed mining roadway and stress analysis of a rock layer of the roadway roof, coal layers at the two roadsides and a rock layer of the roadway floor; the roof anchor rope length is determined according to the roof limit equilibrium arch height, the anchor rope anchoring section length and the anchor rope exposed length; and the lengths of anchor rods of the two roadsides are determined according to the maximum damage depth of the two roadsides, the anchor rod anchoring section length and the anchor rod exposed length.

The invention relates to skylight glass for adjusting the atmosphere in a vehicle, which comprises a first glass plate, an adhesive layer, a flexible sheet body layer and a second glass plate which are sequentially laminated from top to bottom, a light source is arranged at the side edge of the second glass plate, the refractive index of the second glass plate is larger than that of the flexible sheet body layer, the lower surface of the flexible sheet body layer is provided with a reflecting pattern, the boundary of the flexible sheet body layer is contracted inwards by 3-30mm relative to theboundary of the second glass plate, the adhesive layer and the second glass plate are jointly sealed and coated with the flexible sheet body layer, and the lower surface of the flexible sheet body layer is tightly attached to the upper surface of the second glass plate. The reflecting pattern is directly made on the flexible sheet body layer, so that the reflecting pattern can be better attachedto the glass model with a small curvature and a large arch height, the lower surface of the flexible sheet body layer is tightly attached to the upper surface of the second glass plate, the reflectingpattern is directly contacted with the upper surface of the second glass plate, therefore, the formed planar light source has obvious luminous effect and can create good in-vehicle atmosphere.

The invention provides a PCB (Printed Circuit Board) component and a light emitting component, and relates to the technical field of communication. The PCB component comprises a PCB substrate and a driving chip, wherein a mounting hole is formed in the PCB substrate; a mounting surface is arranged at the bottom of the mounting hole; the driving chip is arranged on the mounting surface; and a height difference between the top surface of the driving chip and the top surface of the PCB substrate is less than the thickness of the driving chip. Therefore, the height difference between the top surface of the driving chip and the top surface of the PCB substrate is smaller; the arch height formed by gold wire bonding connection between the top surface of the driving chip and the top surface of the PCB substrate is lower; the high-frequency loss of the PCB component is lower; and the transmission characteristic is good.

The present invention provides a circular cross cable antenna which comprises an annular truss and a front cable net and a back cable net which are interlaced by cables. The annular truss comprises aplurality of vertical rods and inclined rods with the equal number. Nodes on the circumference of the front cable net are correspondingly connected to connection parts of the vertical rods and the inclined rods at the top of the annular truss, the front cable net and the back cable net are paraboloids and are in symmetrical arrangement, nodes corresponding to non-intersecting parts of the front cable net and the back cable net are connected by flexible ropes, and nodes corresponding to intersecting parts of the front cable net and the back cable net are connected by support rods. According tothe circular cross cable antenna, a ring-shaped expandable structure is adopted, so the weight is small, the profile precision is good, the storage ratio is high, the excessive arch height is avoided,the overlarge antenna folding size is avoided, the weight of the antenna is reduced, symmetrical cable net structures are used by front and back cable net surfaces, and the good structural stabilityis provided.

A method for making a customized sole insert for a user is disclosed. The insert is first manufactured in various sizes, widths and arch heights so that a user may select the insert best configured for his foot. The insert is initially comprised of a bottom layer or shell; a formable layer which can be hardened into a particular shape; and a top cushion layer for contact with a wearer's foot or sock. The shell has an aperture for injecting a hardening agent to accelerate the hardening of the formable layer. After the insert is selected, the hardening agent is injected through the aperture and the wearer stands upon the top cushion layer until the formable layer has hardened. The result is a formable layer which is substantially conformed to the plantar aspect of the wearer's foot.

A foot measuring device and method measure foot last / curvature, foot width, foot length, arch height, foot volume, first metatarsophalangeal (MTP) joint flexibility and standing rear foot pronation. The foot measuring device includes a base having a heel abutment member, a foot size and alignment graphic, an arch height measurement system, and a MTP joint flexibility measurement lever.

The invention provides a coal-water dual-resource mine mining mode without change of hydrogeological conditions of overlying strata. The coal-water dual-resource mine mining mode comprises steps as follows: mining areas are divided according to developing height of a water flowing fracture zone, water mining grade and degree of allowable mining failure of water; a mining mode is determined according to the divided mining areas; direct mining is performed in a minable area; under the condition that an area which is not suitable for being mined does not meet the security requirement, short-wallmechanization mining is adopted, and the security requirement means that the water inflow of a working face does not affect normal production; if the short-wall mechanization mining is selected, depthof a coal seam is replaced with pressure arch height for calculation in security coefficient calculation, and mining width and retaining width of the short-wall mechanization mining are determined according to the security coefficient; the coal-water dual-resource mine mining without change of the hydrogeological conditions of the overlying strata is performed according to the mining mode; the mining mode replaces a long-wall large-mining-height mining mode, so that damage to the environment in a coal mining process is greatly reduced, and the mode is conducive to harmony between man and nature.

An integrated circuit package system includes an arched pedestal integrated circuit die including an active surface, a die mounting surface, a pedestal portion including an arch intersecting the die mounting surface and having an arch height, and the arch under a portion of the active surface and having an arch width less than the arch height.

The embodiment of the invention discloses a device and method for measuring the diameter of an underground pipe network. The device for measuring the diameter of the underground pipe network comprises a fixed rod, a measuring rod and telescopic rods. The fixed rod and the measuring rod are arranged perpendicular to each other, and the measuring rod is movably arranged at the central position of the fixed rod. The telescopic rods are arranged at the two ends of the fixed rod respectively, and the lengths of the two telescopic rods are the same. One end of each telescopic rod is movably connected with the fixed rod, a contact plate is arranged at the other end of each telescopic rod, and the contact plates are used for making contact with the inner wall of the underground pipe network. According to the device for measuring the diameter of the underground pipe network, an arch height measuring method can be used for measuring the diameter of the underground pipe network or the diameter of the underground pipe network can be measured directly. Moreover, the device for measuring the diameter of the underground pipe network is simple in structure, easy to carry and capable of guaranteeing small diameter measuring errors of the underground pipe network when the inside of a pipe is complex and the movement range is small.

The invention relates to a geodesic line interpolation method with geodesic line arch height tolerance constrained. The geodesic line interpolation method comprises the following steps: reading in longitude and latitude coordinates of a starting point and an end point of a geodesic line; setting the geodesic line arch height tolerance; calculating length, an initial azimuth and midpoints of the longitude and latitude coordinates of each unlabeled broken line section; calculating radium vector of point of tangency of the point on an earth ellipsoid; calculating spatial rectangular coordinates of the starting point and end point of each unlabeled broken line section; calculating geodesic line arch height of each unlabelled broken line section; sequentially judging relation between the geodesic line arch height of each unlabelled broken line section and the geodesic line arch height tolerance, carrying out bipartition encryption interpolation treatment on the broken line section if the geodesic line arch height of the broken line section is higher than the geodesic line arch height tolerance, and carrying out no interpolation treatment on the broken line section if the geodesic line arch height of the broken line section is less than or equal to the geodesic line arch height tolerance. The geodesic line interpolation method provided by the invention has the advantage that preciseplotting of a geodesic line with any length under specified precision and threshold conditions is realized through adaptive adjustment and matching between geodesic line plotting precision and interpolation distance.

The invention discloses a support device used for urological surgery, and relates to the technical field of medical devices. The device includes a bottom plate, a sliding plate is arranged on the a support frame, a drive arc plate is arranged on the support frame, the right side of the support frame is fixedly provided with a servo motor, an output shaft of the servo motor is coaxially and fixedlyprovided with a worm, the right side of the support frame is vertically and slidably provided with a lifting spur rack meshed with an outer gear, the lifting spur rack is horizontally and fixedly provided with a support plate, the upper surface of the support plate is provided with two placement grooves, and an included angle is formed between the two placement grooves. The device is simple and convenient to adjust, the workload is small, the servo motor drives the worm to rotate to achieve adjustment of the upper and lower positions of the lifting spur rack, and the height of the legs of a patient can be adjusted. The sliding plate can move horizontally, the adjustment of the distance between the leg and a sickbed is convenient, the device is suitable for patients different in height touse, an adjusting plate can slide along a placement groove, arching height adjustment of the patient's leg is convenient, and the device makes doctors better perform the urological surgery.

The invention discloses a method for preventing and treating panax notoginseng round spot. The method comprises the following steps of: constructing an arched tunnel of which the arch height is 1.2cm and the arch width is more than soil moisture width and less than the sum of the moistened soil width and the width of drainage ditch between the moistened soils on each moistened soil surface where panax notoginseng is planted in a panax notoginsen shade-shed, wherein the arched tunnel is constructed by reinforcing steel bars or bamboos; covering a plastic film on the outer surface of the arched tunnel in a rainy day and ensuring that the edge of the plastic film is sagged to the bottom surface of the drainage ditch between the moistened soils; and uncovering the film when the rain stops. With the adoption of the method, the newly-increased disease strain rate of the round spot is reduced by over 90 percent, that is, the loss is recovered by 90 percent, and the grade of the disease strain only reaches a grade 1; and meanwhile, the newly-increased disease strain rate of epidemic disease is reduced by over 95 percent. In addition, because newly-increased disease strains are unavailable to melasma, gray mold and powdery mildew, the dosage quantity of sterilizing agents and artificial insecticide spraying expense are reduced, the planting cost is saved, the yield of panax notoginseng is increased, the quality of panax notoginseng is improved and the income is increased; and moreover, the arched tunnel uses simple materials and is easy and convenient to operate.

The invention relates to a full-oxygen glass melting furnace. A construction method of electric melting AZS (alumina-zirconia-silica) or electro melting corundum brick crowns of the full-oxygen glass melting furnace comprises the steps that a movable falsework is erected; bricks are sequentially transported to the two sides in the furnace; during mounting, spacings between skew bricks and springer beams are adjusted from the skew bricks on the two sides; the bricks behind skews are sequentially mounted from left to right; the bricks with faulting or position unconformity can be hammered by a raising hammer, or moved by a crowbar; when the last three seal bricks are mounted, spacings between the upper surfaces and the lower surfaces of the bricks are measured; any error is adjusted timely; or when a seal position is 1mm smaller, hammering is performed by a wooden hammer during sealing; each crown comprises five or seven rings; each crown is designed with an expansion joint; after one crown is built up, the dimension of the whole crown is detected, the chord length and the arch height of each crown are recorded, and compared with data provided by pre-assembly, and rectification is performed timely if any problem; and construction is accomplished. The construction method is convenient to construct, and the assembly quality can be ensured.

The invention provides a method for acquiring the pile-soil stress ratio of a pile-supported roadbed under a particle crushing condition. The method comprises the following steps: determining a particle damage index Br; Determining a soil body particle size coefficient nd according to the particle damage index Br; Determining the arch height hc and the arch angle alpha h of the soil arch accordingto the soil particle size coefficient n; And determining the pile-soil stress ratio of the pile-supported roadbed according to the arch height hc and the arch angle alpha h of the soil arch. The method for obtaining the pile-supported roadbed pile-soil stress ratio under the particle crushing condition can determine the load sharing condition of the pile-supported roadbed pile-soil-network, can be used for accurately calculating post-construction settlement of the pile-supported subgrade, can reduce subgrade diseases caused by soil arch damage, and save the line operation and maintenance cost.

The invention provides a distributed monitoring method and system for arching of a track plate. Through the synergistic effect of the inclination angle sensor, the microcontroller and the aggregationnode, the upward arching angle of the track plate is detected in real time; data processing is carried out on the upwarp angle; the angle value detected when a train passes by is filtered out, so thatthe angle value measured when the track plate is static is reserved, the upward arching angle value of the track plate is converted into the upward arching height to be output, the output upward arching height can be compared with the maximum upward arching height allowed by the track plate to judge whether the limit is exceeded or not, and then whether alarm needs to be given or not is further judged. A real-time monitoring mode is adopted in the control process, the upward arching angle change of the track plate is detected, and the detection efficiency is improved.

The invention relates to a heat-preservation greenhouse modeling method used for sewage treatment at the northeast severe cold region and is applied to the field of sewage treatment. The purpose is to solve the problems that in a north city, a sewage plant has difficulty in stable operation and is low in operation efficiency in winter. A greenhouse heat-preservation technology is adopted for intensifying operation of the sewage plant at low temperature in winter, and first a physical model is determined and imported into Fluent software to establish a mathematical model; through monitoring air temperature inside a greenhouse and the water temperature of an outlet in an aeration tank, the greenhouse is determined to be in a wedge shape, a greenhouse film is made of PO, the arch height of the greenhouse is 2.5 m, and the greenhouse film is provided with two layers; the temperature inside the greenhouse and the water temperature of the outlet in the aeration tank when air is not injected are compared with the temperature inside the greenhouse and the water temperature of the outlet in the aeration tank when air is injected, and therefore it is determined that recycled waste heat is utilized for increasing the temperature inside the greenhouse.

A penetrator is prepared as forming outline of penetrator by symmetrically cutting off two parts of cylindrical column, setting cut surface to be vertical to top and bottom surfaces of original cylindrical column, setting top and bottom surfaces of cut-off part to be bow form, setting arch height of said bow form to be H and external diameter of cylindrical barrel to be D to make ratio of H to D be 0.05-0.30.

The invention relates to the field of preparation of glass and discloses a flame space of a pure oxygen combustion kiln, the pure oxygen combustion kiln and a method for preparing a glass liquid. The flame space is a space formed by front and rear gable walls, a breast wall (2) and a crown (1) and is matched with a melting tank (4) located below the flame space; a combustor (3) is arranged in the breast wall; a liquid surface scale mark (11) is arranged on a tank wall of the melting tank; h1 / L=1:(7.5-9), (h1+h2) / H=(1.3-1.8) and L1=90cm-110cm; h1 is the arch height of the crown, L is the arch span of the crown and h2 is the height of the breast wall; H is the vertical height between the liquid surface scale mark and the tank bottom of the melting tank; and L1 is the vertical height between the combustor and a crown top of the crown. The pure oxygen combustion kiln comprising the flame space can be used for preparing high-quality, stable and uniform glass liquid and the melting rate and the yield of the glass are improved; and the service life is obviously prolonged.