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58results about How to "In step" patented technology

Method and device for transmitting information from reader-writer to label

The embodiment of the invention provides a method and a device for transmitting information from a reader-writer to a label. The method comprises the following steps of: transmitting a continuous high-level radio frequency carrier with a certain length; if an identification code is received from the label, generating a frame synchronization sequence, and transmitting the frame synchronization sequence to the label, wherein the frame synchronization sequence comprises a delimiter representative of an initial point of the frame synchronization sequence, two calibration symbols for calibrating reference frequency, and data information; if a receiving identifier returned by the label is received, generating a base band command according to an instruction of a background control system, codingthe base band command, and transmitting a carrier signal comprising the frame synchronization sequence and the coded base band command; and if a synchronization establishment identifier returned by the label is received, determining that the establishment of synchronous communication with the label is finished. By the method and the device, the self-calibration of the reference frequency can be realized, thereby reducing the power consumption of a chip.
Owner:中国电子技术标准化研究所 +2

Guarantee method of unobstructed main road during highway reconstruction and expansion construction period

InactiveCN105297564AGuaranteed passIn stepRoadwaysSurface layerRoad surface
The invention discloses a guarantee method of an unobstructed main road during the highway reconstruction and expansion construction period. The method comprises the steps of continuously establishing three temporary openings at one part of a medial strip; dividing the incoming lanes and the leaving lanes on the two sides of the medial strip of a highway to be reconstructed and expanded into construction sections with alternate A roadbed sections and B roadbed sections which have different lengths; after the early construction from the A roadbed sections to the lower surface layer of the road surface is over, driving the cars into the B roadbed sections through the temporary openings of the medial strip; and changing the passed temporary opening positions according to the construction progress, so as to create a working face for alternate construction of the A roadbed sections and the B roadbed sections to further achieve whole time unobstructed bi-directional four lanes. The method is clear in engineering significance and easy to operate, and can be used for guaranteeing the main bi-directional four lanes to be unobstructed during the construction period of reconstructing and expanding a bi-directional four-lane highway into a highway with eight or more bi-directional lanes.
Owner:山东高速工程咨询集团有限公司 +2

Vehicle lamp synchronous control method and device for multiple vehicles, vehicle and readable medium

The embodiment of the invention provides a vehicle lamp synchronous control method and device for multiple vehicles, a vehicle and a readable medium. Each vehicle lamp is controlled by a vehicle-mounted terminal, the multiple vehicles are accessed to the same WLAN based on the vehicle-mounted terminal, and the method comprises the following steps of enabling the vehicle-mounted terminal of each vehicle to acquire the same reference time, calibrating the original time of each vehicle as the same reference time, enabling the vehicle-mounted terminal of each vehicle to receive input automobile light performance control parameters, wherein the vehicle light performance control parameters comprise playing time, a vehicle lamp change scheme and preset music which are set based on the same reference time, and when the playing time of each vehicle is up, enabling each vehicle to play the preset music and executing the vehicle lamp change scheme according to the preset music. Therefore, the lamp dance effect and the music can be played together by combining the lamp dance and the audio-video system of a plurality of vehicles, the implementation process is simple, and the entertainment experience of users is greatly improved.
Owner:GUANGZHOU CHENGXING ZHIDONG AUTOMOTIVE TECH CO LTD +1

Horizontal well cementation and completion integrated pipe string device for secondary spudding

ActiveCN106223898ARealize deep transformationShorten renovation construction timeDrilling rodsWell/borehole valve arrangementsDifferential pressureWell drilling
The invention discloses a horizontal well cementation and completion integrated pipe string device for secondary spudding and belongs to the technical field of drilling engineering. The horizontal well cementation and completion integrated pipe string device for secondary spudding comprises a casing pipe, a pipe string positioned in the casing pipe, ball-actuated sliding sleeves, a differential-pressure sliding sleeve, at least three open hole packers and a float shoe, wherein the pipe string comprises a vertical section, an inclination section and a horizontal section from top to bottom, and the ball-actuated sliding sleeves, the differential-pressure sliding sleeve, the open hole packers and the float shoe are arranged on the horizontal section. The horizontal well cementation and completion integrated pipe string device for secondary spudding is characterized by comprising a float collar and a self-packing ball seat, the ball-actuated sliding sleeve is arranged between each two adjacent open hole packers, and the pipe string is in screwed connection with the float shoe, the float collar, the self-packing ball seat, the differential-pressure sliding sleeve, the open hole packers and the ball-actuated sliding sleeves sequentially from bottom to top. The horizontal well cementation and completion integrated pipe string device for secondary spudding has the advantages that suspension packers are not required; when the pipe string is down to reach a predetermined well depth, the well is cemented and reservoir reformation is conducted directly after cement slurry cementation, so that safety is greatly improved; drilling speed can be increased effectively, well drilling and completion periods are shortened, cost of development is reduced and oil recovery is improved.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Construction method for two-section horizontal well

The invention discloses a construction method for a two-section horizontal well. The construction method comprises the following steps of: for the first section, drilling to 700-800 m of the well depth using a 346 mm drill bit; for the second straight well section, drilling to 2800-2900 m of the well depth using a 222 mm drill bit, and for an inclined and horizontal well sections of the second section, drilling to the whole well depth using a 215.9 mm drill bit and thus finishing drilling; carrying out a drifting process; lowering a well cementing and completion integrated tubular column device for the second-section horizontal well, and circulating mud by more than 1.5 cycles; injecting 1.4-1.5 kg/m<3> of leading cement slurry; injecting 17-25 m<3> of cement slurry; injecting 5 m3 of clear water, and 2 m<3> of sodium carboxymethylcellulose spacer fluid; injecting 25-30 m<3> of potassium chloride solution instead of mud, and throwing in one 41.3 mm setting ball; injecting 50-60 m<3> of potassium chloride solution; carrying out electrical logging on the well cementing quality; and carrying out fracturing construction inspection. The construction method for a two-section horizontal well has the advantages that the speed of drilling is improved, adjustment can be achieved in case of a great change in the dip angle of a reservoir stratum, and high flexibility.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Bidirectional pressurization gastric lavage device for gastroenterology department

InactiveCN108714256AChange in circulationIn stepEnemata/irrigatorsLeft halfGastric lavage
The invention discloses a bidirectional pressurization gastric lavage device for a gastroenterology department. The structure of the device includes a pressurization device, a wiring port, a controller, a pressure meter, a connecting pipe, external liquid placing bottles, a body, and moving wheels. The pressurization device is mounted in the body. The moving wheels are connected with each other inorder in a rectangular structure and arranged on the bottom of the body. The wiring port is arranged on the right side of the upper half of the body. The back of the controller is fixedly connected to the front side of the top of the body. The side surface of the pressure meter is embedded in the left half of the top of the body. The bottoms of the external liquid placing bottles are perpendicularly connected to the top of the lower half of the body. One end of the connecting pipe is connected to the inside of the external liquid placing bottle, and the other end of the connecting pipe is connected to the inside of the body. The bidirectional pressurization gastric lavage device for a gastroenterology department can ensure the uniformity of the bidirectional pressurization of the device when the bidirectional pressurization is performed, and so the use quality of the device can be improved. Meanwhile, the device can stop the pressurization of one side according to actual situations, and so the use flexibility of the device is increased.
Owner:SHANDONG PROVINCIAL HOSPITAL AFFILIATED TO SHANDONG FIRST MEDICAL UNIVERSITY

Automatic tray unloading and stacking device of cubic seedling machine seedling trays

The invention relates to an automatic tray unloading and stacking device of cubic seedling machine seedling trays. The automatic tray unloading and stacking device comprises a three-direction linear sliding table and a supporting frame fixed to the bottom face of the three-direction linear sliding table. The three-direction linear sliding table comprises two parallel longitudinal horizontal linear guide rails (20 and 27) fixedly connected with the supporting frame, and a transverse horizontal linear guide rail (2), wherein the two ends of the transverse horizontal linear guide rail (2) are in sliding connection to the two longitudinal horizontal linear guide rails (20 and 27) through longitudinal sliding blocks (5 and 4) correspondingly. A transverse sliding block (3) is in sliding connection to the transverse horizontal linear guide rail (2). A vertical linear guide rail (1) is in sliding connection to the transverse sliding block (3). A grabbing mechanical arm is arranged at the lower end of the vertical linear guide rail (1). According to the automatic tray unloading and stacking device, the seedling trays can be accurately located; by means of movement of three directions, the seedling trays are carried onto a seedling tray stacking trolley, and carrying and conveying step consistency of the seedling trays is achieved; the work efficiency is improved; the manual cost is reduced; and agricultural facility equipment is enriched.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Machining device for plate electrode of welding equipment

The invention provides a machining device for a plate electrode of welding equipment. The machining device comprises a first triangular support, a driving roller, a driven roller, a second triangular support, a gear chamber, a cutting-off roller, a tool, a tool edge groove, an auxiliary roller, a mounting block and an idler wheel. The left end of the driving roller and the left end of the driven roller are assembled on the right end surface of the first triangular support, and the right end of the driving roller and the right end of the driven roller are assembled on the left end surface of the second triangular support; and the design solves the problem that a plate electrode is prone to deformation through existing plate electrode machining equipment, and infirm welding events in the welding process is avoided. The right end of the cutting-off roller and the right end of the auxiliary roller are both mounted on the left end surface of the mounting block, the tool is mounted on the outer surface of the cutting-off roller, the tool edge groove is formed in the auxiliary roller, and the idler wheel is arranged in the gear chamber; and the design solves the problem that the widths of plate electrodes machined through the original plate electrode machining equipment are inconsistent, and the production efficiency of the machining device is improved. The machining device is reasonable in design, convenient to operate, high in working efficiency and low in labor intensity.
Owner:苏州科弗曼机械有限公司

Drilling method of second-spudding horizontal well

The invention discloses a drilling method of a second-spudding horizontal well. The method comprises steps as follows: a, a drill bit with an outer diameter of 346 mm is adopted for first spudding; b, a drill bit with the outer diameter of 222 mm is adopted to complete drilling of a second-spudding vertical shaft section, a drill bit with the outer diameter of 215.9 mm is adopted to complete drilling at a second-spudding inclined shaft section and a second-spudding horizontal section, and well drifting is performed; c, a second-spudding horizontal well cementation and completion integrated string device is tripped in; d, clear water and lead slurry of cement slurry are injected, and tail slurry of the cement slurry is injected; e, 4-5 m<3> of clear water, 2-3 m<3> of a spacer fluid and 2-3 m<3> of clear water are injected; f, a potassium chloride solution is injected to replace mud, a spacer fluid is injected again, and a 41.3 mm setting ball is thrown; g, 50-60 m<3> of the potassium chloride solution is injected; h, waiting on cement setting is performed for 48 h, and second-spudding drilling of the horizontal well is completed. When an inclination angle and the physical property of a reservoir change greatly, locus adjustment in a larger range can be realized, the flexibility is high, the well cementation construction difficulty is low, and the well cementation quality is good.
Owner:CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD

A bridge elbow joint of a spool and a bridge elbow

The invention discloses a bridge elbow joint of a spool. The bridge elbow joint is formed by connecting a straight section and an inclined section. At least one port of the bridge elbow joint is provided with a socket female interface, and the inner diameter of the socket female interface is matched with the external diameter of a bridge elbow joint pipe. The bridge elbow joint is provided with an indication showing the model and size of the bridge elbow joint. The invention also discloses a bridge elbow formed by connecting bridge elbow joints, and the bridge elbow joints are connected to each other to form a bridging structure having a central depression. The mechanized molded bridge elbow joint of the invention is provided with the socket female interface, and the straight pipe can be inserted into the bridge elbow joint, thereby being convenient and quick. The bridge elbow joint can be mass-produced. After the size is set, construction is carried out according to uniform standards, thereby saving time and effort. The pace is the same, and the manufactured products are beautiful and elegant. The bridge elbow joint is marked with a dimension value indicating the span of the bridge, and the bridge is identified by the mark value, thereby improving the production efficiency and shortening the construction period.
Owner:韦梨樱

A cam plate position differential detection device

The invention discloses a position difference detection device of a cam plate. The device is composed of an upper inclined gear arranged on a transmission shaft, a lower inclined gear arranged on the transmission shaft, an upper gear arranged on a fixing shaft, and a clutch gear. The transmission shaft is further provided with a synchronous wheel I, a machine box is provided with a gap bridge shaft and a detection shaft, a gap bridge shaft upper key is fixedly provided with a synchronous wheel II and a synchronous wheel III, a detection shaft upper key is fixedly provided with a synchronous wheel IV, the synchronous wheel I and the synchronous wheel II are connected through a transmission belt, and the synchronous wheel III and the synchronous wheel IV are connected through a transmission belt. The detection shaft is further provided with a simulated cam plate consistent with the cam plate. The tooth number of the upper inclined gear, the tooth number of the lower inclined gear, the tooth number of the synchronous wheel I and the tooth number of the synchronous wheel III are equal. The tooth number of the synchronous wheel II and the tooth number of the upper gear are equal. The tooth number of the synchronous wheel IV and the tooth number of the synchronous wheel III form a mathematic relation. The position difference detection device achieves measurement of real-time position information of the cam plate by means of electric eyes. Therefore, the structure of a machine is simplified, and equipment cost is reduced.
Owner:王研

A Construction Method for Two Horizontal Wells

The invention discloses a construction method for a two-section horizontal well. The construction method comprises the following steps of: for the first section, drilling to 700-800 m of the well depth using a 346 mm drill bit; for the second straight well section, drilling to 2800-2900 m of the well depth using a 222 mm drill bit, and for an inclined and horizontal well sections of the second section, drilling to the whole well depth using a 215.9 mm drill bit and thus finishing drilling; carrying out a drifting process; lowering a well cementing and completion integrated tubular column device for the second-section horizontal well, and circulating mud by more than 1.5 cycles; injecting 1.4-1.5 kg / m<3> of leading cement slurry; injecting 17-25 m<3> of cement slurry; injecting 5 m3 of clear water, and 2 m<3> of sodium carboxymethylcellulose spacer fluid; injecting 25-30 m<3> of potassium chloride solution instead of mud, and throwing in one 41.3 mm setting ball; injecting 50-60 m<3> of potassium chloride solution; carrying out electrical logging on the well cementing quality; and carrying out fracturing construction inspection. The construction method for a two-section horizontal well has the advantages that the speed of drilling is improved, adjustment can be achieved in case of a great change in the dip angle of a reservoir stratum, and high flexibility.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
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