260 results about "Inverted Y" patented technology

The present invention is directed to an internal multi-band antenna with multiple layers. The internal multi-band antenna comprises a main radiation patch for forming an upper side of the antenna, one side of the main radiation patch connected to a feeder, the main radiation patch including a plurality of strips in the same plane and formed by a folded slit patch of maze type; and at least one auxiliary radiation patch bent downwardly at one side of an edge of the main radiation patch and formed in parallel to the main radiation patch between the main radiation patch and a feeder ground plane. In addition, the internal multi-band antenna further comprises a feeder connected to one side of the main radiation patch for transmitting receive signals of the antenna and radiation signals of a body of the portable terminal; a feeder extension extending vertically from a predetermined position in a longitudinal direction of the feeder; and an inverted Y type feeder structure formed by a feeder ground bent at an end of the feeder extension and contacting a ground plane.

The invention discloses a dualistic structure optical optimization method suitable to rapid three dimensional profilometry. The method is characterized by comprising the steps of conducting inverted Y-shape correction to a camera and a projector, calibrating the camera, revising distortion, projecting phase shift grating fringe, projecting a dualistic structure optical coded graph, using the phase shift method to solve a grating wrapped phase, using the coded fringe to solve the grating orders, solving an absolute phase, completing the phase un-wrapping, mapping the phase to real heights to reconstruct a three dimensional profile. According to the dualistic structure optical optimization method suitable to rapid three dimensional profilometry, the optimized dualistic structure optical coding method is used for achieving the reconstruction of the three dimensional profile of an object. The method can be used for precisely determining a cycle order of the projection grating fringe, avoiding the non-linear projection problem of the multilevel gray value, and the color aliasing problem of multi-channel projection, the measuring speed is fast, and the method has a good adaptability to different measured objects, and a substantial and obvious technological effect.

A method for collecting and preserving semen of various animals including humans, canines, porcines, bovines, ovines and others involves collecting the semen into a collection vessel where the collection vessel is provided with an extender solution for the semen prior to its collection. Moreover, the extended is preferably maintained at a temperature close to normal body temperature of the species being collected over the time period of its collection. The extender is chosen to buffer the pH of the semen sample and to be isotonic with the semen. The volume of the extender in the collection vessel is preferably chosen such that the semen volume is initially diluted with twice its volume extender solution and some period thereafter the extended semen sample is diluted again at the same ratio. Collection into warmed extender media lessened the cold and pH shock to the spermatozoa, as shown by improved semen parameters. The extender solution is preferably rich in calcium ion. A collection vessel resembling an inverted Y is used for collecting distinct semen samples for comparative study.

A body support for placement within cyclists' shorts or trousers includes an elastic top layer having a back portion arranged to extend beneath a cyclist's buttocks, and a front portion arranged to extend in the region of the cyclist's crotch. An elastic bottom layer has a generally inverted Y-shaped configuration, a back portion of the bottom layer has first and second edges joined to corresponding edges on the back portion of the top layer, and a front portion of the bottom layer has one or more edges joined to corresponding edges on the front portion of the top layer. An intermediate cushion layer is joined to the bottom layer so that a top surface of the cushion layer faces toward but is free from attachment to a bottom surface of the top layer.

The invention discloses an internally rotary dedusting type solid heat carrier and moving bed pulverized coal pyrolysis method and device. The internally rotary dedusting type solid heat carrier and moving bed pulverized coal pyrolysis device comprises a cylinder body, wherein an upper sealing head is arranged at the top of the cylinder body; a pyrolysis gas outlet is formed in the middle of the upper sealing head; a collecting pipe box is defined between the upper sealing head and a collecting pipe box sealing head connected with the upper sealing head; a plurality of cyclone separator sets communicated with the collecting pipe box are arranged at the lower part of the collecting pipe box sealing head; a plurality of mixing pipes are symmetrically arranged on the two sides of the cylinder body; a coal gas inlet, a pulverized coal inlet and a heat carrier inlet are formed in each mixing pipe; a tapered lower sealing head is arranged at the lower part of the cylinder body; a discharge pipe is arranged at the bottom of the lower sealing head; a circulating semicoke blanking pipe and a product semicoke blanking pipe are symmetrically connected to the discharge pipe, and the discharge pipe and the blanking pipes form an inverted Y-shaped pipe branch; a valve is arranged on each of the circulating semicoke blanking pipe and the product semicoke blanking pipe. The pulverized coal used as the raw material is adequate in source, cheap, and easy to obtain; the device and the method have the characteristics of being wide in application range, simple in technological process, relatively low in investment, easy to operate, safe, stable and the like.

The invention discloses a compound portable fire extinguisher which is characterized in that: a fire extinguishing agent storage tank is arranged, and a tank port of the fire extinguishing agent storage tank is sealedly connected with a machine head assembly, an internal cavity of the fire extinguishing agent storage tank is provided with a separator plate connected with the bottom of the storage tank and the side surface of the storage tank, the internal cavity of the fire extinguishing agent storage tank is separated into a first cavity and a second cavity by the separator plate, and the upper parts of the first cavity and the second cavity are communicated with each other; a fire extinguishing agent straw system is arranged to form an inverted Y-shaped structure, a mixing cavity is arranged on the upper part, and the bottom of the mixing cavity is in parallel connection with a first fire extinguishing agent straw and a second fire extinguishing agent straw, an end port of the top of the mixing cavity is connected with a fire extinguishing agent inlet connecting pipe of the machine head assembly, and the first fire extinguishing agent straw and the second fire extinguishing agent straw are respectively inserted into the first cavity and the second cavity; the first cavity is used for being filled with 2-bromo-3,3,3-trifluoropropene or perfluorinated hexanone, and the second cavity is filled with water or water containing an inorganic salt additive. The compound portable fire extinguisher is the clean and efficient compound portable fire extinguisher with combination of clean gas and fine water mist.

The invention discloses a cracking furnace for producing ethylene by cracking hydrocarbon steam. The cracking furnace is characterized in that a radiant coil is a two-stage branched and diameter-altered radiant tube; a plurality of first-stage tubes are combined into one tube in an inverted Y-shaped tube form at the lower end of the second-stage tube; and the first-stage tubes are connected with the second-stage tube through a three-dimensional structural connector formed by symmetric curved tubes and S-shaped curved tubes. The invention has the following beneficial effects: the mechanical property defects of a 2-1 type branched tube, a 4-1 type branched tube and the like are overcome; and the technological properties can be improved, and the service life of the radiant coil and the operational cycle of the cracking furnace can be prolonged finally.

The invention relates to the technical field of medicinal material processing, in particular to a traditional Chinese medicine drying device. The traditional Chinese medicine drying device comprises acleaning shell, a dewatering device and a drying shell. An inverted-Y-shaped filtering net is installed at the lower portion of the inner side of the cleaning shell. A scraping device is fixedly installed on the surface of a second rotating shaft. The output ends of first electric telescopic rods are commonly provided with a moving plate, and the output end of a first motor penetrates the movingplate to be connected with a center shaft. A pull rope penetrates the moving plate to be connected with a cleaning filtering plate, and a water circulation device is installed on one side of the cleaning shell. A wobbling device is installed at the middle portion of the lower surface of the drying shell. The dewatering device is installed between a feeding port and a discharging pipe. Compared with the prior art, the traditional Chinese medicine cleaning and drying efficiency can be improved, the labor intensity is lowered, meanwhile, the water utilization rate can be increased, water resources can be effectively saved, use is convenient, safety and reliability are achieved, the use effect is good, and the device is worthy of being used and popularized.

The invention provides a jet aircraft. The jet aircraft comprises a frame, inverted Y-shaped brackets, handles, consoles, rockers, mobile arm frames, a safety cross beam, a safety pin, bypass frames, bypass fans, bypass bevel gears, connecting rods, cylinders, double bevel gear levers, a bevel gear shaft, a gasoline piston engine and a fuel tank, wherein the inverted Y-shaped brackets are fixedly mounted behind the frame; pedal plates are arranged on the frame; corresponding mounting holes are formed in the frame; the consoles are fixedly mounted on the handles; starting and stopping buttons are arranged on the consoles; the cylinders, the gasoline piston engine and the fuel tank are all connected with the consoles; the rockers are symmetrically mounted on the consoles in a matched way; with the front of a driver as the front surface, the left rocker is used for controlling the direction and the right rocker is used for controlling the throttle size. The jet aircraft provided by the invention has the advantages of simple structure, convenience in operation, controllable speed and direction and convenience in use.

The invention relates to a compact wire and bar rolling production line which sequentially comprises a heating furnace, a rough rolling unit, an intermediate rolling unit, a finish rolling unit and a collecting system. The collecting system comprises at least one of a cooling bed, a coiling and collecting system and a wire collecting system. The rough rolling unit, the intermediate rolling unit and the finish rolling unit are respectively provided with a Y-type three-roll rolling mill and an inverted Y-type three-roll rolling mill, and the Y-type three-roll rolling mills and the inverted Y-type three-roll rolling mills are distributed in an alternating mode. A rolling machine set adopts the three-roll rolling mills of the same structural mode, the rolling machine set is universal, a wire and bar collecting system can be flexibly distributed, and flexibility of wire rolling is high. A high-speed steel feeding system is arranged so as to increase rolling speed of the rolling machine set and improve production efficiency, the brake sliding distance between high-speed rolled workpieces is shortened, the rolling length is further shortened, and investment is reduced. An arranged wire reducing sizing rolling unit further rolls and produces wires, and facilitates improvement of rolling quality of the wires and size precision of products.

The invention discloses a U-shaped anti-clogging sewer pipe. The U-shaped anti-clogging sewer pipe comprises a U-shaped pipe, wherein water inlet pipes and a water outlet pipe are connected to two ends of the U-shaped pipe through connectors; the water inlet pipes are of inverted Y-shaped structures, and the number of the water inlet pipes is two; one water inlet pipe is directly connected with the U-shaped pipe, and the other water inlet pipe is fixedly connected with the water inlet pipe; a permeating hole is etched in the bottom of the inclined water inlet pipe; an elbow is arranged on the permeating hole; a back flushing water tank is connected to the tail end of the elbow; a water outlet is formed in the side face of the bottom of the back flushing water tank; a floating rod type piston is arranged inside the back flushing water tank; switching of the water outlet is controlled by the floating rod type piston; besides, the water outlet is connected with the bottom of the U-shaped pipe through an inclined pipe. For the whole device, back flushing on the bottom of the U-shaped pipe is performed by adopting a full-automatic matching structure, thereby preventing U-shaped pipe clogging due to sundry stacking, and improving the sewage discharging capacity; the U-shaped anti-clogging sewer pipe is particularly suitable for a small-caliber U-shaped pipe and sewer pipes with small single-pass water flow.

The invention discloses an approaching grafting type double-end bridge grafting method of a diseased bergamot pear tree and belongs to the field of bergamot pear tree bridge grafting.The method includes the steps of firstly, selecting a bridge grafting tree; secondly, preparing the bridge grafting, to be more specific, processing a wound, collecting scions, and selecting the bridge grafting time and position; thirdly, grafting, to be more specific, selecting the scion 10-15cm longer than the wound, covering with a film, cutting off the parts 5-10cm longer than the distance between grafting openings, cutting the ends into horse-ear-shaped cutting faces of 2.5-3cm, and lightly cutting the outer sides to expose the green cortexes; cutting the upper and lower grafting openings into an inverted-T shape and a T shape with the vertical length being not larger than 1/3 of the length of the cutting faces and the transverse width being 1.5-2.5 times of width of the cutting faces, and respectively cutting into an inverted Y shape and a Y shape; prying up the cortexes on two sides of the cuts, inserting two ends of the scion into the grafting openings, and allowing the inserted ends to closely attach to the xylem; fourthly, tightly wrapping the grafting openings, and spraying protecting agent; fifthly, removing the films after healing.By the method suitable for being popularized, the survival rate of the diseased bergamot pear tree can reach above 95%, and the fruit setting rate, fruit quality, disease resistance and survival time are increased greatly.

The invention relates to a combined deep loosen cultivator, characterized in that a rack is provided with a draft gear, a fertilizer apparatus, a deep scarification device, a depth-controlled device, a cultivating device. Compared with the prior art, according to different fertilizer requirements in different periods of different crops, a dual-adjusting system is used for fertilization adjustment. A double-end dividing funnel is used on the upper part, on the middle part, an inverted Y-shaped flow divider is used to apply fertilizer to the double-end dividing funnel in divided weight, and a three-layer fertilizer apparatus is used for a fertilizer pipe on the lower part. Space size of the three-layer fertilizer apparatus can be adjusted through adjusting the angle of a layering adjusting plate. Thus, fertilizer of each layer can be adjusted again, realizing fertilization in more accurate quantity and fertilization in a layering manner as needed. The height of the fertilizer pipe can be adjusted according to different crop roots and different deep loosen cultivation depths. Sprocket drive is used for fertilization drive, so uniform fertilization can be realized in different operation bases.

The invention provides a track-deformable robot moving platform for a dangerous hazard site environment. The track-deformable robot moving platform for the dangerous hazard site environment comprisesa robot body, two passive self-adapting track modules and an information acquiring module, wherein each passive self-adaptive track module comprises a track, a passive self-adapting mechanism, four fixing supporting frames, three track driven wheels, four track bearing wheels and a track driving wheel; the fixing supporting frames are inverted Y-shaped frames, and every two fixing supporting frames form a group, and the two fixing supporting frames in each group are leftwards and rightwards symmetrically connected through corresponding connecting shafts; two track bearing wheels are correspondingly fixed to two end parts of Y shapes of the lower parts of the fixing supporting frames in each group through the corresponding connecting shafts; and one track driven wheel is fixed to the upperpart of each of the fixing supporting frames in each group through the corresponding connecting shaft. According to the moving platform, the shape of the tracks can be flexibly passively changed basedon the size of a barrier in the environment, and the contact area between the track and the barrier can be increased, and thus the barrier crossing capacity of the moving platform is improved.

A cap supported telephone holder disclosed herein which includes an elongated body made of flexible material designed to receive a longitudinally aligned standard size cordless or cellular telephone handset. The holder includes interconnecting hook and loop connector pads disposed between the proximal end of the body and the elastic band on the cap, and an adjustable front strap attached at one end to the distal end of the body and at the opposite end to the brim of the cap. During use, the telephone is disposed in a natural, diagonal position over the ear and near and adjacent to the user's mouth. In the preferred embodiment, the distal end of the body is closed and is made of nylon mesh material. The front strap is an inverted Y-shaped strap with the two lower legs being spaced apart and attached to the pocket and the upper leg being attached to the brim of the cap. The upper leg of the front strap may be selectively attached to one of a plurality of holes formed in the brim of the cap so that the telephone mouthpiece may be properly positioned near the user's mouth.

The invention relates to a cutting experiment device of an abrasive water jet image. The cutting experiment device comprises a rack, wherein a workpiece is installed in the middle of the rack by virtue of a positioning device, a top frame is installed on the rack by virtue of a support rod, a horizontal guide rail is arranged on the top frame, a nozzle lifting mechanism which can slide along the horizontal guide rail is installed on the horizontal guide rail, a support frame of an inverted Y structure is fixed to the nozzle lifting mechanism, opposite high-pressure water nozzles are symmetrically installed on the support frame, motors are respectively installed on both ends of the support frame, infrared sensors are installed on the heads of the high-pressure water nozzles, and an abrasive tank is connected to the middle parts of the high-pressure water nozzles by virtue of sand inlet pipes and is positioned on the outer side of the rack. The surface quality of an abrasive water jet cutting section is improved, and the cutting efficiency is improved.

The plantar flexion prevention device is an elastic sock. The sock extends over a foot to a calf area above the foot. A heel portion has a first attachment mechanism positioned near a plantar surface of a heel of the foot. There is an inverted Y-shaped inelastic strap that has two members securely attached to the elastic sock near the plantar surface of a metatarsalphalangeal joint region of the foot. A third member has a second attachment mechanism positioned in a middle portion of the third member. There is an inelastic toe strap that extends from a toe portion of the sock. A separate adjustable cuff with a third attachment mechanism is positioned above the calf area of the leg. The inelastic toe strap attaches to the second attachment mechanism of the inverted Y-shaped strap for toe extension, and can attach to the first attachment mechanism for toe flexion.

The invention discloses a mulberry leaf picking device of an automatic worm and gear type driving mulberry leaf picking machine. The mulberry leaf picking device comprises an inverted-Y-shaped guide rail, screws, a mulberry leaf picking rod, a fixed block and cutters, the inverted-Y-shaped guide rail is symmetrically arranged left and right, the cutters are arranged at the front end of the mulberry leaf picking rod, the left cutter corresponds to the right cutter, the inverted-Y-shaped guide rail is provided with a guide wheel which is connected with the mulberry leaf picking rod through a pin roll, and the rear end of the mulberry leaf picking rod is connected with the inverted-Y-shaped guide rail through the guide wheel in a matched mode. The fixed block is arranged on the rear portion of the mulberry leaf picking rod in a sleeved mode, one end of the fixed block is arranged on a supporting rod in a sleeved mode, the other end of the fixed block is provided with a thread through hole which is connected with the screws in a matched mode, the screws are connected with a gear motor, the upper end of the left screw and the upper end of the right screw are connected with a driving fly wheel and a driven fly wheel respectively through first couplers, the driving fly wheel is connected with the driven fly wheel through a belt, and a switch of the gear motor is arranged below the guide wheel. According to the mulberry leaf picking device, mulberry leaf picking speed is high, efficiency is high, labor intensity is lowered, the gear type driving mulberry leaf picking machine provided with the mulberry leaf picking device is simple and reasonable in structure, economical, durable, easy to maintain, and convenient to operate.

The invention discloses a photoelectric composite cable for an intelligent engineering device. The photoelectric composite cable comprises an irregularly-shaped vulcanized semi-conductive rubber cushion core, a power wire core, a control wire core, a monitoring wire core and a protective layer used for wrapping the wire cores, the irregularly-shaped vulcanized semi-conducive rubber cushion core isformed by an inverted-Y-shaped semi-conductive irregular support and an optical cable unit, the optical cable unit is formed by a tensile element, optical fibers surrounding at the outside of the tensile element, and a stainless steel spiral hose used for wrapping the optical fibers, the power wire core is formed by a power wire core conductor and a power wire core insulating layer used for wrapping the power wire core conductor, and the surface of the control wire core is sleeved by the monitoring wire core. According to the photoelectric composite cable, functions of electric energy transmission, signal control and transmission video communication etc. are provided, special performances including excellent extrusion resistance, impact resistance, bending resistance and direct dragging are also achieved, a night light-reflection function is also provided, the generation of toxic and harmful gas is avoided during combustion of the cable, and the photoelectric composite cable is in accordance with the development concept of green environmental protection.

A cycle is disclosed that has at least one wheel with an axle rotatably mounted to a pair of opposing support plates. A seat is mounted to an upper end of an inverted Y-shaped seat support frame that includes two lower ends each pivotally mounted at a seat pivot to one of the support plates. A handlebar is mechanically coupled to each support plate with the handlebar being forward of the axle. In use, a user may balance on the cycle by manipulating the distance between the handlebar and the seat, facilitating the fine adjustment of the center of gravity of the cycle over the wheel.

The invention discloses a breaststroke posture learning limiter which comprises an upper limb limiting plate, a lower limb limiting plate and a back floating plate, wherein the upper limb limiting plate and the lower limb plate are fixed through fastening screws or mortise and tenon joints; the back floating plate is connected with the lower limb limiting plate through binding laces; the upper limb limiting plate is Y-shaped and comprises a support plate I; the upper part of the support I is circular arc-shaped; the support plate I is provided with two arm limiting parts which extend outwards and correspond to the upper limbs of a human body; the lower limb limiting plate takes the shape of an inverted Y and comprises a support plate II; the support plate II is provided with two leg limiting plates which extend outwards and correspond to the lower limbs of the human body. By adopting the breaststroke posture learning limiter, the mode that in conventional breaststroke posture teaching, a practicer can only learn the breaststroke posture through observation of a coach, proprioception of the practicer and language communication about the swimming action is changed; as the body of the practicer can be limited by the arm limiting plates and the leg limiting plates of the breaststroke posture learning limiter, a beginner can learn the standard swimming posture conveniently, rapidly and comprehensively.

The invention relates to a shock absorber and electrical equipment. The shock absorber comprises a body part and an auxiliary part which each comprise a piston rod and a sleeve. The piston rods can stretch and retract along the sleeves, and the piston rods bear damping force during stretching and retracting. The body part and the auxiliary part are connected to form an inverted Y shape. The auxiliary sleeve of the auxiliary part is hinged to the outer wall of the main sleeve. The electrical equipment comprises the shock absorber. By means of the technical scheme, the shock absorbing effect of the shock absorber is improved, and vibration during work of the equipment is further reduced.

The invention provides an undercarriage part heat treatment distortion control device and method. The undercarriage part heat treatment distortion control device comprises a heat treatment frame, a top adjusting module arranged at the upper end of the heat treatment frame, a supporting base module arranged at the bottom of the heat treatment frame, an anti-expansion control module matched with thesupporting base module and a horizontal adjusting module fixed to the heat treatment frame in a scalloped manner. The top adjusting module and the supporting base module are located in a hollow structure of the heat treatment frame, and the control directions of the top adjusting module and the supporting base module are vertical. The anti-expansion control module and the horizontal adjusting module are located in the hollow structure of the heat treatment frame, and the control directions of the anti-expansion control module and the horizontal adjusting module are horizontal. Compared with the prior art, by means of combined adjustment of the modules, the problem of unstability generated by stress unbalance in the part transferring process is solved, oil input is carried out in an inverted-y manner in the vacuum heat treatment quenching process of parts, it is guaranteed that a barrel is in a vertical state, and quenching oil flowing is convenient.

The invention discloses a cutting machining device for CFRP special-shaped holes. The cutting machining device comprises a clamp body. A machining groove is downwards formed in the top of the clamp body. Step faces are arranged at the two ends of the clamp body. Pressure plates are arranged on the top faces of the step faces. A CFRP laminated plate is arranged in the machining groove. The two endsof the CFRP laminated plate are fixed through the pressing plates. A machine tool spindle is arranged on the top of the clamp body, an inverted-Y-shaped pattern milling cutter is perpendicularly arranged at the lower portion of the machine tool spindle, and a diamond pattern milling cutter is arranged on one side of the machine tool spindle. By means of a cutting machining method for the CFRP special-shaped holes, the CFRP laminated plate is clamped on the clamp body, the geometric center is determined and a center hole is drilled in advance according to the shape features of the special-shaped holes, the inverted-Y-shaped pattern milling cutter is used for milling inner cavities of the special-shaped holes in a homocentric square shape, then the diamond pattern milling cutter is used forconducting finish milling on the special-shaped holes, triangular, rectangular, trapezoidal and regular polygonal special-shaped holes can be effectively manufactured, burr and lamination effects areavoided, the hole wall quality is good, precision is high, operation is simple, and feasibility is high.