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411results about How to "Achieve orientation" patented technology

Horizontal well hydraulic directional spraying gun

The invention relates to the technical field of oil and gas well production increase and fracturing operation, in particular to a horizontal well hydraulic directional spraying gun. The horizontal well hydraulic directional spraying gun comprises a directional split tooth cylinder, an enveloping line sleeve, a directional steel ball, thrust bearings and nozzles. The directional split tooth cylinder and an upper connector form an annular space, a reset spring is arranged in the annular space, the right end of the upper connector is connected with an upper housing, the enveloping line sleeve issleeved with the interior of the upper housing, a central rod penetrates through the interior of the enveloping line sleeve to be connected to an internal thread at the right end of the directional split tooth cylinder, and a closed space is defined by the upper housing, the directional split cylinder and the enveloping line sleeve; the directional steel ball is placed in the closed space, the right end of the upper housing is in threaded connection with a connecting sleeve, the thrust bearings are symmetrically disposed at both ends of the connecting sleeve, and the right end of the enveloping line sleeve is connected with a spraying gun casing. Forced orientation of the spraying gun casing can be achieved by a hydraulic driving mode, the orientation success rate is high, tools can be reused after maintenance and protection, and the cost is low.
Owner:JEREH ENERGY SERVICES

Method achieving Open flow two-stage flow table through chip loopback and system thereof

The invention provides a method achieving an Open flow two-stage flow table through a chip loopback and a system of the method achieving the Open Flow two-stage flow table through the chip loopback. The method includes: S1, receiving and parsing a message, and obtaining header information and tag information of a message inlet interface; S2, searching in a first stage flow table to match corresponding flow behavior according to the header information and the tag information; S3, judging whether the flow behavior is 'sending to a second stage flow table', if the flow behavior is 'sending to a second stage flow table', the message inlet interface maps an internal interface, and sends the message to the outlet of the chip through a loopback of the chip, at the moment the internal interface is the inlet interface, the message inlet interface parses the message and searches in the second stage flow table, matches corresponding flow behavior, and conducts step S4; if the flow behavior is not 'sending to a second stage flow table', conducting step S4 directly; S4, processing the message correspondingly according to the flow behavior. On the basis of keeping chip cost, the method achieving the Open flow two-stage flow table through the chip loopback and the system of the method achieving the Open flow two-stage flow table through the chip loopback increase numbers of flow entries and support more flow behaviors through building the two-stage flow table of Open flow, and directional logic of the two grade flow tables is simple.
Owner:SUZHOU CENTEC COMM CO LTD

Intelligent traffic flow congestion dispersal method through vehicle group autonomous cooperative scheduling

The invention provides an intelligent traffic flow congestion dispersal method through vehicle group autonomous cooperative scheduling. An intelligent vehicle-mounted terminal and a wireless communication module are integrated, a cooperative scheduling algorithm optimization index and vehicle driving parameter acquisition and processing process is built according to a vehicle following model in the case of traffic flow congestion, the optimization index reflects the vehicle group passing efficiency, the intelligent vehicle-mounted terminal and an adjacent vehicle build a wireless communication network, a guiding instruction is generated according to the cooperative scheduling algorithm and the protocol, a vehicle queuing position and estimated passing time are provided for a driver through a man-computer interface, and the driver is guided to select a proper speed and a proper direction. The method of the invention has the advantages of low cost, high terminal integration, simple mounting, high sensitivity, quick response speed and the like, and is applicable to various motor vehicles, such as freight cars, buses and cars, which run in traffic dense areas such as urban areas and freeways.
Owner:SOUTH CHINA UNIV OF TECH

Ratchet type insulation wire clamping pincers

ActiveCN106229880AGuaranteed linkageReliable relative to action purposeApparatus for overhead lines/cablesEngineeringHigh pressure
The invention belongs to the field of electric power construction tools and in particular relates to ratchet type insulation wire clamping pincers used for high-voltage electrified wire construction. The ratchet type insulation wire clamping pincers comprise a first insulation rod and a second insulation rod. A block type chuck and a hook-like chuck are respectively arranged on top ends of the two insulation rods. The ratchet type insulation wire clamping pincers also comprise a ratchet assembly. The ratchet assembly comprises a gear part, a back support and a locking piece. A ratchet, a handle part and a pawl are arranged in the back support. The locking piece comprises a top block and a press spring. The top block is in the same direction with the unidirectional locking direction of the pawl relative to the unidirectional locking direction of the ratchet. The top block is arranged on a moving route of the handle part or the pawl. A matching surface used for matching the handle part or the pawl is arranged on the top block. The pressing force direction, relative to the matching surface, of the handle part or the pawl is opposite to the elastic restoring force direction of the press spring. The pincers is highly practical and convenient and quick to use; and high safety during working is ensured while high-efficient hot-line work is ensured.
Owner:STATE GRID CORP OF CHINA +1

Electric field restraining method coal safety type fully-mechanized excavating onboard geological structure detection system and method thereof

InactiveCN103176214ASolve the geological conditions behind the susceptible excavation faceResolve interferenceElectric/magnetic detectionAcoustic wave reradiationAbnormal positionsEngineering
The invention relates to an electric field restraining method coal safety type fully-mechanized excavating onboard geological structure detection system and a method thereof. The fully-mechanized excavating onboard geological structure detection system is used for detecting the hidden geological structure in front of a tunneling surface under a coal mine and is composed of a coal road fully-mechanized excavating ahead detector, an emission electrode, a restraining electrode and a grounding electrode. Double-frequency modulating wave current is emitted to an area to be detected through the emission electrode and the restraining electrode so as to generate induced polarization effect in coal rock. Polarization information is collected and processed by a receiving part of the detector, apparent resistivity and visual width frequency, namely power feeding equipment (PFE) values, can be automatically calculated and converted into coordinate graphs for display, accordingly, the ahead tunneling geological structure can be judged, and the abnormal positions can be determined by angle scanning and depth scanning. Detection data can be automatically stored and be further analyzed through special data interpretation software, the ahead tunneling geological structure can be obtained, and advanced detection of the fully-mechanized excavating surface of a coal road can be finished. The electric field restraining method coal safety type fully-mechanized excavating onboard geological structure detection system and the method thereof are in accordance with coal safety verification standards, can be in cooperative work with a heading machine and is fast in detection, high in accuracy, good in instantaneity and convenient to operate.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Pipeline embedding device for water conservancy projects

The invention discloses a pipeline embedding device for water conservancy projects, and relates to the technical field of pipeline embedding devices. A winch is fixedly installed at the bottom of a threaded seat, a support rod is fixedly connected between two groups of connecting steel blocks, the bottom ends of the two groups of connecting steel blocks are fixedly equipped with clamping devices,the left end of a second lead screw penetrates through a fixing seat to be fixedly connected to a second motor, an inner cavity of the fixing seat is provided with a guide seat connected to the outerwall of the second lead screw in a sleeving manner, an object containing plate is fixedly arranged between fixing frames, the top of the object containing plate is evenly and fixedly provided with limiting rings, two groups of guide plates are fixedly arranged on the right side of the top of a base, protection plates are fixedly assembled on the side walls between the two groups of guide plates, and a discharging channel is arranged between the two groups of protection plates. Automatic clamping and laying of pipelines are realized, pipeline protection can be realized, the needs of continuouspipeline placing and laying are met, and the pipeline laying efficiency is improved.
Owner:宁夏中康建设集团有限公司

Method for preparing aligned carbon nanotube on surface of polymeric membrane

The invention discloses a method for preparing an aligned carbon nanotube on the surface of a polymeric membrane. The method comprises the following steps: firstly, performing modification treatment on a carbon nanotube, collecting the treated modified carbon nanotube, and drying; secondly, dispersing the carbon nanotube subjected to the modification treatment in a polar solvent to obtain an uniformly dispersed modified carbon nanotube dispersion liquid through treatment; thirdly, uniformly depositing the modified carbon nanotube dispersion liquid on the surface of a polymeric membrane, and then covering the membrane surface on which the modified carbon nanotube is deposited through another layer of polymeric membrane to form a three-layer structure; finally, after the three-layer structure is treated through hot pressing, slowly pulling and stripping the outside two layers of membranes of the three-layer structure to obtain the aligned carbon nanotube. According to the invention, the advance design of the carbon nanotube before preparation is not required to be considered, and the range of the selectable carbon nanotubes is wide; the preparation method is simple, and easy to realize, and facilitates actual preparation and production; the alignment of the carbon nanotube on the surface of the soft polymeric membrane can be implemented, and the further application of the aligned carbon membrane is facilitated.
Owner:ZHEJIANG UNIV

Intelligent dining table oil contamination removal method

The invention relates to an intelligent dining table oil contamination removal method. An intelligent dining table oil contamination removal platform is provided to remove the oil contamination. The intelligent dining table oil contamination removal platform comprises an oil removal starting device and an oil contamination detection device, wherein the oil removal starting device is arranged on atabletop of a dining table and used for starting the oil removal treatment for the tabletop of the dining table when receiving an oil contamination detection signal; the oil contamination detection device is used for searching a corresponding oil contamination sub-image from a real-time sharpening image according to the characteristics of the oil contamination image, identifying a plurality of oilcontamination pixels in the oil contamination sub-image according to a preset oil contamination upper limit threshold value and a preset oil contamination lower limit threshold value, fitting the plurality of oil contamination pixels to form an oil contamination area, determining the percentage of the oil contamination area in the oil contamination sub-image, and transmitting an oil contaminationdetection signal when the area percentage of the oil contamination area exceeds the limit; and in the oil contamination detection device, when the area percentage does not exceed the limit, an oil contamination non-detection signal is transmitted, and when receiving the oil contamination non-detection signal, the oil removal starting device stops the oil removal treatment for the tabletop of thedining table.
Owner:嵊州市万智网络科技有限公司

Rotary hot-melting drill bit

The invention discloses a rotary hot-melting drill bit. The rotary hot-melting drill bit is a round head shaped drill bit consisting of two independent heating modules and an un-heating module, wherein a water outlet is arranged at the bottom of the drill bit; when the two heating modules work to normally drill in a rotary manner, the heat of the heating modules can be uniformly transmitted all around through the rotation, so that an ice layer is molten, thereby achieving the vertical hole drilling operation; when the two heating modules work, and do not drill in a rotary manner, the ice layer adjacent to the two heating modules is continuously molten by absorbing heat, and the ice layer on the side of the non-heating module is slowly molten or not molten, so that the drill is inclined to change the drilling direction, thereby achieving the orientation. The rotary hot-melting drill bit well solves the difficulty of drilling and orientating in the ice layer in a polar region; the drill bit is well compatible with the current drill, so that the orientation drill can be used only by matching the control system with the current hot-melting drill with a drill bit circuit almost without changing the upper mechanical structure. The rotary hot-melting drill bit adopts a modular design, has a simple structure and is easy to change, thereby greatly increasing the service life and the using efficiency of the drill bit.
Owner:JILIN UNIV

A lithium iron phosphate with high compact density and a preparation method thereof

The invention provides a lithium iron phosphate with high compact density and a preparation method thereof. The lithium iron phosphate positive electrode material comprise large particles of lithium iron phosphate and small particle of lithium iron phosphate, wherein that small particles of lithium iron phosphate are filled in the voids between the large particle of lithium iron phosphate, and theshape of the small particles of lithium iron phosphate comprises a spherical shape. A method for prepare that lithium iron phosphate precursor comprises sinter the lithium iron phosphate precursor ina protective gas atmosphere, wherein the sintering is three-stage sintering, the sintering temperature of the three-stage sintering is sequentially increased, and aft the three-stage sintering is finished, the lithium iron phosphate positive electrode material is obtained; Wherein the shape of the lithium iron phosphate precursor comprises a spherical shape. The compaction density of the lithiumiron phosphate with high compaction density provided by the invention can reach 2.7 g/cm3, the electrochemical performance is excellent, the first discharge specific capacity of 1C can reach 150 mAh/g, and the capacity retention rate of 50 cycles of 1C can reach 99.9%.
Owner:SHENZHEN DYNANONIC

Anti-GPS-failure orientation method for fixed-wing unmanned aerial vehicle

The invention relates to an anti-GPS-failure orientation method for a fixed-wing unmanned aerial vehicle, and particularly relates to an orientation and attitude determination method after a GPS failure of a low-cost integrated navigation system of a fixed-wing unmanned aerial vehicle. In each computation period, inertial measurement data updates the heading and the attitude of the present fixed-wing unmanned aerial vehicle through a strapdown navigation algorithm. Different information fusion filters are adopted according to determination based on the present motion characteristics of the fixed-wing unmanned aerial vehicle, wherein a triaxial magnetic sensor and a triaxial accelerometer determine that Kalman smoothing is performed by adopting the heading and attitude optimum quaternion as an observation value under static or low-dynamic maneuvering conditions, and Kalman smoothing is performed by adopting measured data of the triaxial magnetic sensor as an observation value under large maneuvering conditions. According to the Kalman smoothing results, the inertial measurement unit error is corrected and the navigation data and filter parameters are updated, and a next computation period is started. The method can be used for fixed-wing unmanned aerial vehicle navigation systems comprising the GPS, the inertial measurement unit and the triaxial magnetic sensor.
Owner:BEIHANG UNIV

WSN node locating method based on heterogeneous double-population particle swarm optimization

The invention discloses a WSN node locating method based on heterogeneous double-population particle swarm optimization. According to the method, community self-adaptation activity behavior of animals in the nature is merged in a particle swarm optimization algorithm, a fitness function is designed based on the distance between an anchor node and an unknown sensor node, two heterogeneous child populations are used for maintaining good variety by simulating the community activity mode of the animals in the nature, a composite reverse learning strategy and an elite chaos search strategy are merged in the two child populations respectively by simulating the natural law that the animals in different communities in the nature have different preferences and habits, different search modes are carried out on the two child populations, advantage complement of various search modes is achieved, so that global searching ability is enhanced, and locating accuracy is improved. Meanwhile, communicating behavior of the animals in different communities in the nature is simulated, in appointed evolution generations at intervals, individuals are exchanged between the two child populations, sharing of high-quality search information and a guiding effect are achieved, and accordingly convergence speed is improved, and locating real-time performance is improved.
Owner:JIANGXI UNIV OF SCI & TECH

Environment-friendly intelligent semi-concealed monitoring device

InactiveCN105430355AUse monitoring to operate intelligentlyAutomate using monitoring operationsTelevision system detailsColor television detailsExternal energyGlass cover
The invention discloses an environment-friendly intelligent semi-concealed monitoring device which belongs to the technical field of monitoring equipment. The environment-friendly intelligent semi-concealed monitoring device comprises the components of a monitor, a solar power generating system, a self cleaning system and an intelligent control system. The monitor comprises a housing with a closed inner chamber, a reflection imaging system and a stepping motor, wherein the reflection imaging system and the stepping motor are fixed in the closed inner chamber. The reflection imaging system comprises a total reflection prism, a total reflection prism rack and an image camera. The housing is provided with a perspective opening next to the total reflection prism. The perspective opening is provided with a high-transparency glass cover. The stepping motor is connected with and fixed with a central shaft of the total reflection prism rack through a magnetic coupling. The environment-friendly intelligent semi-concealed monitoring device can intelligently drive devices to perform monitoring operation and cleaning operation through the intelligent control system, thereby realizing intelligent and automatic monitoring operation, and improving imaging effect and monitoring quality. Through the solar power generating system, self driving electric energy can be supplied, thereby realizing no requirement for external energy, preventing a use limitation caused by independence to an external power supply, and enlarging application range.
Owner:CHONGQING REAL ESTATE COLLEGE
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