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206results about How to "Simplify work steps" patented technology

Construction method of earth cabin back filling and cabin entering operation during earth pressure shielding

ActiveCN102536253AIncrease the permeability coefficientDoes not have air pressure operating conditionsUnderground chambersTunnel liningHigh intensityOperability
The invention discloses a construction method of earth cabin back filling and cabin entering operation during earth pressure shielding. The construction method comprises the following steps: (1) injecting bentonite slurry outside the casing of a shield machine; (2) injecting polyurethane outside the body of a shield to form a seal ring; (3) injecting two-liquid slurry outside a tube piece to form a seal ring; (4) replacing muck in an earth cabin with bentonite, and carrying out muck replacement through the cooperation of the a bentonite injection system and a spiral conveyer; (5) carrying out pressure injecting on low, middle and high-strength cement bentonite mortar slurry, and allowing the bentonite slurry in the earth cabin to form cumulates with certain strength; (6) injecting slurry to a cutting ring of the shield machine and the top of a cutter head; (7) carrying out cabin entering operation by constructors; and (8) closing an earth cabin door after cutter replacement is completed, injecting and back-filling bentonite to the earth cabin to establish an earth pressure balanced mode to restore tunneling. The construction method disclosed the invention breaks through the difficulty of cabin entering operation below a special unstable formation and the difficulty of cabin entering operation under a building during shielding, and has the characteristics of high efficiency, strong operability and the like.
Owner:GUANGZHOU RAIL TRANSIT CONSTR SUPERVISION CO LTD

Automatic capacity detecting method and device for irregular vessel cabin

The invention relates to an automatic capacity detecting method for an irregular vessel cabin which is characterized in that a pressure water source passes through a water pipeline, is subjected to the pressure reduction and pressure stabilization by a pressure reduction and stabilization valve (4), and then is subjected to the flow measuring by a flow meter (8), further is subjected to the temperature measuring by a first temperature transducer (10), and flows into an irregular vessel cabin; a pressure transmitter (6) is used for detecting the water pressure of the water outlet end of the pressure reduction and stabilization valve (4); a level gauge (12) is used for measuring the liquid level inside the irregular vessel cabin in a real-time manner; a second temperature transducer (13) is used for measuring the liquid temperature inside the irregular vessel cabin in a real-time manner; and a control system is used for obtaining the volume of the corresponding liquid level of the vessel cabin according to the flow data measured by the flow meter (8) and the liquid level measured by the level gauge (12), and performs the volume rectification according to the temperature difference of the first temperature transducer (10) and the second temperature transducer (13). According to the invention, the labor intensity of the operating personnel is reduced, the working efficiency is improved by more than two times, so that the automatic capacity detecting method and device have very high application value.
Owner:SHANGHAI MERCHANT SHIP DESIGN & RES INST +1

Underground nuclear magnetic resonance exploration method based on step-by-step transmission

The invention belongs to the field of geophysical exploration equipment and particularly relates to an underground nuclear magnetic resonance exploration method based on step-by-step transmission. An adopted exploration device comprises a transmitting coil, a transmitting upper computer, an MCU (microprogrammed control unit) lower computer, a DC-DC (direct current-direct current) boost power supply, an energy-storage capacitor, a transmitting bridge circuit, a detector and a harmonic capacitor, wherein the transmitting upper computer is connected with the MCU lower computer through a serial port bus and a communication interface, the MCU lower computer is connected with the DC-DC boost power supply, the DC-DC boost power supply is connected with the energy-storage capacitor and used for charging the energy-storage capacitor, the MCU lower computer is connected with the transmitting bridge circuit through a drive and control circuit prior to being connected with the energy-storage capacitor, the energy-storage capacitor is connected with the transmitting coil through the harmonic capacitor and detects voltage through the detector, an output end of the detector is connected with the MCU lower computer, and the detector is used for detecting current of the transmitting coil and is connected with the MCU lower computer. The underground nuclear magnetic resonance exploration method based on step-by-step transmission has the advantages that by the aid of a one-charging and multi-transmitting mode for the energy-storage capacitor, working efficiency during exploration is improved, and repetitive work time is shortened.
Owner:JILIN UNIV

Clamping and fixing device for automobile brake valve body machining

The invention provides a clamping and fixing device for automobile brake valve body machining. The clamping and fixing device for automobile brake valve body machining comprises a sealing edge, a longitudinal fixing strip and a transverse fixing strip; the longitudinal fixing strip is inserted into the exterior of the transverse fixing strip in an interference manner; and the transverse fixing strip is inserted into a sliding groove formed in a fixing frame in an interference manner. According to the device, a four fixing edge clamping and fixing mode is adopted and more stable than a traditional two-edge opposite clamping mode, and a brake valve body clamped in the device is steady and not prone to moving and falling off through cooperation of anti-slip teeth on the inner sides of four fixing edges; and a base is provided with convex blocking edges, if small parts carelessly fall off in the installing process of a brake valve, the parts can fall into the base and can be conveniently found, therefore, the stability and the practicability of the device are improved, and the problems that for an existing brake valve body clamping and fixing device, the clamping effect is not ideal, and the falling parts can not be easily found are solved.
Owner:湖北昊昌汽车零部件制造有限公司

Electronic product category identification and defect identification method and application thereof

ActiveCN110263201AEnhance stability and universalityReduce development and usage costsCharacter and pattern recognitionStill image data clustering/classificationService qualityMetadatabase
The invention relates to the technical field of intelligent identification, and discloses an electronic product category identification and defect identification method and application thereof, and the category identification method comprises the steps: formulating a category directory and a code, and presetting a category database; presetting a category identification metadatabase; and collecting feature information of the electronic product to be identified, and comparing the feature information with a category database and a category identification metadatabase. Various defect types of the electronic products are recognized by preprocessing image information and interactive interface information of the electronic products through the defect recognition method. According to the invention, the category, the defect type and the degree of the electronic products can be quickly, accurately and automatically identified, the recovery value, the cyclic utilization mode and the flow direction of the electronic products are judged, the electronic product recovery pricing mechanism, the recovery grade classification standard and the price system are standardized, and the recovery service quality and the operation efficiency are optimized and improved.
Owner:吴昶炜

Hot-line work operation lever single-lever work head

The invention discloses a hot-line work operation lever single-lever work head. The single-lever work head comprises a connecting frame, a long fastening sleeve, a short fastening sleeve and a clamping device, wherein the long fastening sleeve is fixed at one end of the connecting frame, and the short fastening sleeve and the clamping device are arranged at the other end of the connecting frame; the lower part of the long fastening sleeve is matched with an insulating operation lever, an internally hexagonal hole matched with an abnormally shaped parallel-groove clamp bolt is formed in the top surface of the long fastening sleeve, and an internally hexagonal hole matched with the abnormally shaped parallel-groove clamp bolt is also formed in the top surface of the short fastening sleeve. The hot-line work operation lever single-lever work head has the advantages that the device is simple in structure and convenient to operate, the fastening bolt of an abnormally shaped parallel-groove clamp is fastened through the long and short fastening sleeves, and an upper clamp and a lower clamp of the abnormally shaped parallel-groove clamp can be fastened by the clamping device, so that the operation steps are simplified, and constructors are reduced; in the whole lapping process, the work efficiency is obviously improved, the operation time is obviously shortened, the body consumption of operators is reduced, the efficiency is obviously improved, and the safety coefficients are effectively improved.
Owner:STATE GRID CORP OF CHINA +2

Structure and method for replacing carbon cylinder for air purifier

The invention discloses a structure for replacing a carbon cylinder for an air purifier. The structure comprises a host machine and a plurality of carbon cylinders arranged in the host machine, wherein a carbon cylinder supporting plate is arranged between each carbon cylinder and the host machine, is fixed on the host machine and is detachably connected with one end of the corresponding carbon cylinder; a cover plate is arranged on the host machine; one end of the cover plate is connected with the host machine through a rotating shaft; a torsional spring is arranged on the rotating shaft in a sleeving way; a supporting side of the torsional spring pushes against the host machine; the other supporting side of the torsional spring is arranged on the cover plate. A method for replacing the carbon cylinder for the air purifier comprises the following steps of disconnecting a buckle and the host machine; opening the cover plate by matching with the torsional spring; rotating each carbon cylinder to disconnect the carbon cylinder and the carbon cylinder supporting plate; inserting a new carbon cylinder into the carbon cylinder supporting plate, and rotating the new carbon cylinder to lock the new carbon cylinder; compressing the cover plate, and buckling the buckle onto the host machine, so that the carbon cylinder is replaced. In such a way, the working step of replacing the carbon cylinder is simplified, the whole machine is not required to be detached, the position of the carbon cylinder can be exposed by only simply pressing one key, and the operation is simple, convenient, safe and reliable.
Owner:CHANGZHOU GLOBE CO LTD

Electric-automation rinsing device

The invention discloses an electric-automation rinsing device. The electric-automation rinsing device comprises a water storage box and a cleaning box; the upper end of the water storage box is horizontally provided with a guide plate, and a filter plate is arranged in the position, at the lower end of the guide plate, of the interior of the water storage box in a horizontal penetrating mode; theright end of the filter plate extends out of the outer side of the water storage box; the center position of the lower end of the interior of the water storage box is provided with a water pump, and the center position of the left end of the water pump is fixedly connected with a first water pipe; the first water pipe penetrates out of the outer side of the water storage box and is wound around the outer side of the cleaning box upwards; the center position of the upper end of the cleaning box is provided with a second water pipe, and the second water pipe is connected with the first water pipe; and the left side of the water storage box is fixedly connected with a conveying device. According to the electric-automation rinsing device, under action of gravity, a transverse rod moves downwards to drive movable plates to move downwards, springs are compressed, in addition, the movable plates extrude a second switch and a third switch downwards, the transverse rod is pressed into U-shapedgrooves, a motor and the water pump are started at the same time, accordingly, a metal plate is cleaned, the working step is simplified through automatic cleaning, and the working efficiency is improved.
Owner:罗霞
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