15results about How to "Increase purchase cost" patented technology

The present invention provides a container ship stern tube sealing system, including a ship draft gauge pressure monitoring unit, a valve pressure control unit and a stern tube sealing pressure execution unit, the ship draft gauge pressure monitoring unit is connected to the valve pressure control unit, the valve pressure control unit is connected to the stern tube sealing pressure execution unit, the ship draft gauge pressure monitoring unit is used to monitor the draft pressure signal, the valve pressure control unit is used to receive the draft pressure signal and the air pressure signal and control the action of the stern tube sealing pressure execution unit, and the stern tube sealing pressure execution unit controls the air pressure and oil pressure in the system to a preset value through a corresponding valve group. The ship draft indicator adopted by the present invention does not need to be purchased separately, and the cost is low. The stern tube air sealing system dynamically adjusted according to the ship draft pressure controls the air pressure and oil pressure difference and improves the service life of the sealing ring. At the same time, when the air seal fails, the stern shaft seal can still automatically operate normally, which increases the reliability of the system.

The invention discloses a method and a system for adjusting driving parameters of an EtherCAT bus, and relates to the technical field of bus communication. The method comprises the steps that a servo driver is connected to an EtherCAT bus topological structure, connection verification is carried out, and connection establishment is ensured; starting an EtherCAT bus tool, and selecting a servo driver slave station number of which parameters need to be modified according to the topological structure; importing an equipment description xml file corresponding to the servo driver, and updating and reading parameter values of the servo driver; and querying the data object index of which the parameter needs to be modified, and modifying the corresponding parameter value according to the data object index. The parameters of the servo driver can be adjusted through the bus, the hardware requirement for parameter modification and the requirement for installing upper computer software are reduced, the method and interface for parameter modification are unified, the parameters of servo drivers of various brands can be adjusted in the mode, universality is achieved, and the method and the system are suitable for popularization and application. Compared with a traditional mode, the method is more convenient and faster.

The invention relates to the technical field of chip preparation, in particular to a chip preparation method for improving electrode migration prevention capability, which comprises the following steps of: sequentially preparing an epitaxial wafer, an N-GaN step, a transparent conductive layer, an electrode layer, an electrode protection interface layer and a passivation insulating layer on a substrate; and the passivation insulating layer is prepared from a multi-layer composite material, so that the electromigration resistance and the corrosion resistance of the chip are effectively improved.

The utility model discloses a noodle processing rolling machine relates to noodle processing technical field. The noodle processing rolling machine, including installation lever, preprocessing assembly and rolling assembly, is equipped with support frame on installation lever, preprocessing assembly is located on installation lever, preprocessing assembly includes processing box, and is equipped with electric roller on processing box. The noodle processing rolling machine, can first compact dough into regular cake through electric roller, avoid the problem of dough jamming and repeated adjustment caused by irregular dough shape when directly rolling dough in tradition, and the dough can be primarily formed only by rolling and pressing for many times in the rolling machine without preprocessing by hand, which not only prolongs the processing time of single portion of noodles, but also makes the dough cake appear local thickness difference due to uneven stress, and the preprocessing cake can make the dough quickly form a uniform base, lay a stable foundation for the subsequent rolling process, reduce the rolling frequency, improve the overall processing efficiency, especially suitable for the demand of batch production of noodles in restaurants and food factories, and shorten the single batch production cycle.

The disc filtering and washing device comprises a material pool, a rotating disc, an auxiliary dewatering device and a discharging device, the rotating disc comprises a rack, a rotating shaft rotationally assembled on the rack, a motor driving the rotating shaft to rotate and a plurality of filter plate sets fixed to the rotating shaft and arranged in the axial direction of the rotating shaft; the opposite sides of the filter plates of the adjacent filter plate groups are uniformly provided with air holes to form adsorption sides, the turntable is sequentially provided with a material adsorption area, a first atomization washing area, a second atomization washing area, an extrusion dehydration area and a discharging area along the rotating direction of the rotating shaft, and the turntable is arranged right above the material pool, so that the material adsorption area is arranged in the material pool; the rotary disc is provided with atomization spraying devices in the first atomization washing area and the second atomization washing area, the rotary disc is provided with an auxiliary dewatering device in the extrusion dewatering area, and the rotary disc is provided with a discharging device in the discharging area. The washing device is good in washing effect and high in washing efficiency, and saves labor and cost.

This application discloses a fireproof sealing device for vertical pipes in high-rise buildings, relating to the field of building fire protection sealing technology. It includes a shell and a fixing plate, with the fixing plate fixed to the side wall of the shell. It also includes a screw, fire-arresting blocks, a fixing ring, a push plate, and a placement cavity. The placement cavity is formed inside the shell, with the push plate slidably connected within it. The screw passes through the side wall of the shell and is threaded onto the shell. The fixing ring is fixed within the placement cavity and located inside the push plate. The fixing ring is circular, and multiple fire-arresting blocks are fixed on it. Each fire-arresting block consists of a fixed block and a movable block. Two fixed blocks are provided, fixed to the inner wall of the fixing ring. The fixed blocks are arc-shaped, and the movable blocks are the same arc-shaped blocks, slidably connected to the inner wall of the fixing ring. Multiple movable blocks and fixed blocks are sequentially assembled to form a complete ring structure. This design, with an adjustable inner diameter, can adapt to various pipes with different outer diameters, reducing procurement costs.

The utility model relates to intelligent park parking area entrance and exit unattended charging equipment which comprises a lifting rod driven by a main gate machine through a main driving shaft, an auxiliary driving box is arranged right behind the main gate machine, and a linkage shaft is arranged between the main gate machine and the auxiliary driving box. The front end part of the linkage shaft penetrates through the rear side wall of the main gate machine and is fixedly connected with the main driving shaft, and the linkage shaft coincides with the axis of the main driving shaft; the rear end of the linkage shaft penetrates through the front side wall of the auxiliary driving box, the rear side wall of the auxiliary driving box is provided with a heel-preventing rod for preventing a rear vehicle from following through the auxiliary driving shaft, the lifting rod is perpendicular to the heel-preventing rod, and the end, located in the auxiliary driving box, of the auxiliary driving shaft is driven by the linkage shaft. According to the application, the defects that the purchase cost and the installation cost are relatively high and the maintenance is relatively tedious due to a large number of anti-following charging devices are arranged can be improved.

The invention discloses a graphene far-infrared self-heating gray fabric production process which comprises an integrated structure, a weaving equipment body is fixedly mounted on one side of the integrated structure, the integrated structure comprises a base body which is fixedly mounted as a bottom foundation, and a double-screw extruder is fixedly mounted on one side of the upper portion of the base body; meanwhile, a stirring box which is in embedded and through connection with the double-screw extruder through a discharging pipe is fixedly installed on one side of the upper portion of the base body through a fixing frame, an electric driving plate is fixedly installed on the rear side of the upper portion of the stirring box, a driven bevel gear set is installed above the stirring box in a matched mode, and meanwhile the driven bevel gear set is driven and adjusted through a driving bevel gear; the driving bevel gear and the output end of the electric driving plate are fixedly installed, a hollow stirring shaft is installed at the bottom of the driven bevel gear set in a matched mode, and according to the graphene far infrared self-heating gray fabric production technology, the electric driving plate is arranged, so that rotation driving is controlled.

The invention belongs to the technical field of diamond wire production, and particularly relates to a drawing machining method of a diamond wire bus, a steel wire is subjected to multi-pass drawing through a polycrystalline die and a single crystal die, the number proportion of the polycrystalline die and the single crystal die is set to be (15-16): (15-16), and a replaced abraded die is repaired. And a chamfer between the sizing area and the outlet area is polished and shaped through a reverse drawing process. The whole die change period of the wire drawing die is effectively prolonged, the die cost for production is reduced, and the production quality is improved.

The invention discloses an aluminum cone core heat preservation integrated plate unit system, and relates to the technical field of building heat preservation and energy conservation, according to the system, aluminum cone core heat preservation plates are designed in a unit mode, the system is especially suitable for a frame building without a wall body, and the whole system can take the aluminum cone core heat preservation plates as unit outdoor surface materials (the outer surface of the wall body); the aluminum cone core steel composite plate is used as a unit indoor visual surface material (the inner surface of a wall), the indoor and outdoor decoration effect is achieved, and the requirements for heat preservation and energy conservation are met. Besides, all the components of the system can be machined in a factory in advance and spliced into a complete unit structural member, and only integral hoisting is needed on site, so that the construction efficiency is improved, the construction period is greatly shortened, and the consistency and reliability of product quality are ensured.

The utility model discloses a split display communication system of an intelligent electromagnetic and ultrasonic water meter and a flowmeter, which comprises an integrated intelligent metering instrument, an AC220v main power supply, an independent display, a remote transmission module and a relay, and the AC220v main power supply supplies power to the independent display and the remote transmission module. The integrated intelligent metering instrument is in split connection with the independent display and the remote transmission module through an RS485 communication bus and a KM1 relay, that is, the independent display and the remote transmission module work in a time-sharing mode through the RS485 communication bus, and an MODBUS protocol is adopted. According to the utility model, the communication between a plurality of hosts and a single slave is realized, the problems that the length of a conventional split cable is not more than 10 meters and the split cable is too long to be easily interfered by the outside are solved, the RS485 communication distance can reach more than 1 KM, the protection area of the split structure is reduced, and the manufacturing cost of the split structure is reduced.

The present application relates to a kind of micro-nano bubble generation processes, belong to bubble generation field, including the following steps: S1, make water flow have preset speed into beam cavity, and in beam cavity, flow in jet form, the beam that flows out from beam cavity and after mixing from air inlet cavity into gas, into flow guide cavity;S2, gas-liquid mixture from flow guide cavity into collision cavity, and in collision cavity, bubble micronization;S3, after impact and the gas-liquid mixture of forming turbulent flow, into rotating cavity, by rotating piece in rotating cavity, impact again, finally with high-speed rotating state shoots out rotating cavity, and high-speed rotating water flow and negative pressure cavity can continuously cut gas bubble, to further produce micro-nano bubble.The present application has the advantages that: water flow and gas are rotated and sheared in turn through beam cavity, flow guide cavity, collision cavity and rotating cavity, and the phenomenon of rotating and shearing breakage or mutual impact occurs, to realize the breakage of gas bubble several times.

The invention discloses a closed-loop positioning collaborative scheduling double-galvanized-wire self-adaptive unbundling robot system which comprises an overline movable single-sliding-table truss module which stretches across a first galvanized-wire steel coil trolley channel and is parallel to a second galvanized-wire unbundling stepping beam. A long-acting operation and maintenance integrated structure and a closed-loop positioning switching module are arranged on the side wall of the second galvanized wire unbundling stepping beam, and the closed-loop positioning switching module and the long-acting operation and maintenance integrated structure achieve precise positioning of the robot between two production lines. The industrial six-axis robot is inversely installed and connected with the tail end in a floating mode, adaptation to steel coils of different specifications is achieved, a single robot conducts double-line-crossing operation, the vacancy rate of equipment is decreased, the utilization rate is increased, and the purchase cost is saved by half compared with double-robot configuration. And the closed-loop positioning switching module ensures that the unbundling device is accurately aligned with the steel coil, so that the unbundling success rate is stable.

According to the anesthesia depth evaluation method based on the electroencephalogram quantitative indexes, the anesthesia depth can be comprehensively and accurately evaluated by combining coupling of frequency domain analysis and information dynamics analysis; by combining electroencephalogram low-frequency energy ratio and electroencephalogram complexity analysis, nonlinear dynamic characteristics and frequency domain energy changes in electroencephalogram signals can be comprehensively captured, multi-dimensional anesthesia depth evaluation is provided, errors and lagging existing in the prior art are effectively avoided, and accuracy and stability of anesthesia depth evaluation are ensured; according to the method, the change of frequency band energy in the anesthesia process can be more rapidly captured, especially the rapid change of delta waves, electroencephalogram complexity analysis has high sensitivity to the complexity change of signals, and the response capacity of the system to the rapid change of anesthesia depth is remarkably improved by combining frequency domain analysis.