32results about How to "Reduce routine maintenance work" patented technology

The invention relates to a regenerative power energy feedback method for an elevator and a device thereof. The device comprises an inverter, a network voltage detection unit, a network current detection unit, a DSP control unit and a direct current voltage measuring unit, wherein the inverter is formed by connecting an IGBC controllable bridge circuit with an electric reactor; the direct current output end of the variable-frequence governor of the elevator is connected with the direct current end of the IGBC controllable bridge circuit; the output voltage of the inverter is merged into a power network supplying the power for the variable-frequence governor of the elevator to work through the electric reactor; the input end of the network voltage detection unit and the input end of the network current detection unit are respectively connected to the power network supplying power for the variable-frequence governor of the elevator to work; the output end of the network voltage detection unit and the output end of the network current detection unit are respectively connected with the DSP control unit; the DSP control unit is connected with the control end of the IGBC controllable bridge circuit through an IGBT driver; and the direct current output of the variable-frequence governor of the elevator is connected with the DSP control unit through the direct current voltage detection unit.

The invention provides a computer mainboard PCIe slot function test method based on a UEFI, and relates to the field of large-scale factory tests on computer mainboard PCIe slots. The computer mainboard PCIe slot function test method comprises the following steps: on the basis of a build-in uefi shell, firstly, confirming that a first start item of a machine is boot from build-in shell; according to a mainboard specification, inserting matched PCIe cards into corresponding PCIe slots in a mainboard; writing a test PCIe configuration file, and listing information of each slot; powering on the machine from uefi shell to enter a test U-disc automatically and operate a test program, thereby acquiring information of all PCIe cards in the PCIe slots; comparing grasped data with data in PCIe configuration files PCIE.INI, wherein the test is qualified if the files are completely identical, or else the test is unqualified. By adopting the computer mainboard PCIe slot function test method, no operating system needs to be started for test, so that the test time can be shortened, and the test efficiency can be improved.

The invention discloses a computer PCIE (Peripheral Component Interconnect Express) adapter card function testing method based on a UEFI (Unified Extensible Firmware Interface) and belongs to the field of industrial large-scale testing of computer PCIE adapter cards. The method comprises the following detection steps: (1) checking a BIOS (Basic Input Output System) Setup starting sequence so that boot from build-in efi shell is taken as a first starting item; (2) starting a startup.nsh script by the UEFI and leading into a testing U disk; (3) collecting PIC information of the computer PCIE cards through a testing program; and (4) comparing the acquired PCI information with data in a PCI database, wherein when the PCI information and the data are the same, a test passes, otherwise, the test does not pass. The test of the method is carried out on a UEFI shell and an operating system does not need to be loaded, so that the testing time is shortened and the management is convenient.

The invention discloses a disposable intelligent digester system for animal cell culture. The disposable intelligent digester system comprises a disposable digester unit and an intelligent control unit, wherein the disposable digester unit at least comprises a sealed chamber that can be filled with fluid, an interception component and a stirring component are arranged in the sealed chamber, the interception component is in surrounding connection with a lower part in the sealed chamber, the interception component is at least used for causing dispersed cells to flow to a next level bioreactor and intercepting empty carriers and carriers with cells in the sealed chamber, and the stirring component is at least used for mixing the fluid in the sealed chamber. The disposable intelligent digester system disclosed by the invention omits online sterilization, online cleaning, equipment installation and debugging and other steps, simplifies the operation flows, reduces the production cost and the labor cost, and avoids the cross contamination between batches; and moreover, the digestion process is controlled by an intelligent program, so that the digestion loss rate of the cells can be as low as 2%.

The invention relates to an annular limiting device of a weighing apparatus. The annular limiting device comprises an upper connection board, a lower connection board and a weighing sensor, wherein the upper end and the lower end of the weighing sensor are respectively connected with the upper connection board and the lower connection board; the lower connection board is provided with a limiting piece; the upper connection board is provided with a limiting ring; a limiting groove is arranged on the limiting ring; the limiting groove of the limiting ring is arranged on the rim of the limiting piece; a limiting distance is set between the inner wall of the limiting groove and the rim of the limiting piece; a connecting rod in a transporting and/or mounting process is mounted on the upper connection board and the lower connection board; and a locking rod passes through an external radial pin hole of the limiting ring and an inner radial pin hole of the limiting piece, and is fixedly arranged through a nut. The annular limiting device provided by the invention has a reasonable structure; and the maintenance cost can be reduced without adjusting the limiting distance in use.

The invention discloses a clamping linkage mechanism and a claw disc. Through cooperation of sheave groups and transmission pieces, clamping claws are fixedly arranged on the transmission pieces, one clamping claw is correspondingly arranged at one side of each sheave group, and the clamping claws are distributed in central symmetry with the center of a bottom plate as the center, and move along with the transmission pieces to move towards the center or away from the center synchronously so as to adjust the size of circumference along which the clamping claws are located. In the whole mechanism, only single power is needed to drive each single clamping claw, and the synchronous adjustment of the plurality of clamping claws is realized through the linkage mechanism in the claw disc. The structure is simple and ingenious, the cost is low, and the work efficiency is high.

The invention provides a reversing roughing mill rolled piece tail tracking method based on self-learning and belongs to the technical field of metal pressure processing. The method includes: calculating the residual unrolled volume of a rolled piece according to the outlet thickness, outlet width, rolling mill speed and forward slip value of the rolling mill of each pass, calculating the unrolledlength of the rolled piece according to the inlet material thickness and width of the rolling mill, and performing self-learning according to the calculation result of the residual unrolled length and the total volume of the roller piece so as to increase the tail residual length tracking precision of the rolled piece. By the method, rolled piece tail length can be precisely tracked without a metal detector.

The invention discloses a VDI and VOI architecture virtual machine fusion system and a starting method. The VDI and VOI architecture virtual machine fusion system comprises a system management module,a WEB background management module, a VOI terminal module, a server virtualization module and a VDI remote access client module, wherein the system management module is used for carrying out user, terminal and mirror image authentication, responding a terminal access request, and controlling a server virtual machine, system resource distribution and mirror image synchronization according to a terminal request; the WEB background management module is used for providing a manager configuration interface; the VOI terminal module is used for providing a user login interface, managing local mirrorimages, managing mirror image synchronization and managing a local virtual machine and related resources; the server virtualization module is used for the server virtual machine and related resources; and the VID remote access client module is used for providing a user access interface and providing an operation system desktop for users. The starting method comprises a VOI terminal starting method and a VID terminal starting method. According to the system and the method, VID and VOI architectures are organically fused, and through mirror image synchronization, resources of terminals and servers can be sufficiently utilized, so that the effects of using everywhere and utilizing sufficiently are realized.

The invention discloses a method for upgrading a RAID card firmware automatically. The method comprises the steps that a Linux system is started up through the internet, the type of a RAID card is detected, and the upgrading environment of the RAID card firmware is judged; if the RAID card firmware can be upgraded on the Linux system, the RAID card firmware is directly upgraded on the Linux system; if the RAID card can only be upgraded on a DOS system, the DOS system is started up through the internet, and the RAID card firmware is upgraded on the DOS system. Compared with the prior art, the whole firmware grading process needs no person participation, the error probability is lowered, and the test time and the human cost are saved.

The invention provides a bridge track longitudinal isolation device in the field of Railway Bridge and track engineering. The invention comprises in sequence a longitudinal partition wall between a steel track and a bridge, a slide layer and a limit support outside an abutment; both the longitudinal partition wall and the slide layer are arranged in the direction of the bridge length; ends of the longitudinal partition wall and the slide layer are put across the abutment and extended in the direction of the limit support; the longitudinal partition wall and the slide layer are identical in width, and the width is bigger than that of the steel track. The invention can be utilized to convent longitudinal strength between steel tracks and bridges into rather low friction force before transmitting the friction force to the limit support. Therefore, the invention can greatly improve stress conditions between bridges and steel tracks; besides, temperature regulators can be eliminated for use on steel tracks, so as to reduce volume of routine maintenance work for steel tracks. Moreover, the invention can optimize structural dimensions of bridges, considerably reduce casting work volume of abutments and bridge piers, and therefore, save construction investment and lower construction cost.

The invention relates to a fully-sealed volatilization prevention device for an emergency drainage pipe of a floating roof and a method. The device and the method mainly solve the problem of water seal volatilization in the prior art. The fully-sealed volatilization prevention device for the emergency drainage pipe of the floating roof comprises a floating ball, a connecting rod, a cover plate, aconnector, a pin, a support, an emergency drainage port, the emergency drainage pipe, a fixing bolt, a zipper, a filter screen, a floating roof upper surface, a bolt gasket, a cover plate sealing gasket and sealing rings. The device is arranged above the emergency drainage pipe of the floating roof of an outer floating roof storage tank and is used for preventing volatilization of a water seal medium in the emergency drainage pipe and oil in the tank, by means of the technical scheme, the problem is well solved, and the device can be used for emergency drainage of the floating roof of the outer floating roof storage tank.

The invention discloses an interface based computer fault diagnosis method, belongs to the server fault diagnosis field, and aims at quickly and automatically testing server fault, displaying the fault cause through an interface, and timely handling the fault. According to the technical scheme, the method comprises the following steps: (1) manufacturing a U flash disk self-starting system; (2) programming a diagnosis interface and a related diagnosis testing module; (3) starting the U flash disk starting system in step (1); operating the diagnosis system; collecting error information; analyzing the error information; and automatically generating html format result; and (4) viewing the fault cause according to the html format result obtained in step (3), and timely handling the fault.

The invention discloses an improving method for stirring practicability of a rear reaction tank of a first brine system, and relates to the technical field of chlor-alkali process improvement. According to the improving method, three DN25 pipelines are installed in the rear reaction tank to penetrate into the bottom, compressed air (0.5MPa) is introduced, an aeration reaction is carried out so that sodium carbonate and calcium chloride can be fully reacted, reaction time is prolonged, calcium carbonate can be better settled down, and therefore quality of brine is guaranteed; investment of manpower, financial resources and material resources is saved; energy conservation and consumption reduction are achieved; and daily maintenance work is greatly reduced, and the maintenance cycle is greatly prolonged.

The invention relates to a stress release type refractory lining body for a smelting area of a steel-making converter. The stress release type refractory lining body comprises a furnace lining working layer and a furnace lining permanent layer in a furnace shell, the furnace lining working layer is composed of an annular structure formed by sequentially arranging a first arc area masonry, a parallel area masonry and a tail arc area masonry, and the furnace lining working layer is positioned between a furnace bottom annular brick layer and a furnace body annular brick layer for smooth cambered surface transition connection; and the masonry in each area is formed by high-temperature refractory bricks with completely same longitudinal sections in a surface-surface seamless fitting manner, and stress absorption buffer layers are arranged in middle layers of the first arc area masonry and the tail arc area masonry. According to the refractory lining body, the innovative structure that turning of a masonry surface is realized by a double-arc masonry body and transition between two arcs is realized by a parallel masonry surface is adopted, the middle layers of the arc masonry bodies are respectively set as the stress absorption buffer layers, therefore, the structure can maximally guide thermal expansion of the whole converter lining to a furnace mouth sealing material layer without dead angles, and stress release of the converter lining body in a thermal state is realized to the greatest extent.

The invention discloses a chain shaft and shaft sleeve structure of an automatic woodworking feeder. The chain shaft and shaft sleeve structure comprises a chain shaft, wherein a mounting sleeve is arranged on the outer surface of the chain shaft; grooves are formed in the left side and the right side of the inner wall of the mounting sleeve; rolling bearings are mounted in the grooves; and the inner walls of the rolling bearings are movably connected with the outer surface of the chain shaft. According to the chain shaft and shaft sleeve structure, the chain shaft and shaft sleeve structure is changed into a structure of the chain shaft, the rolling bearings and an oil seal, so that the defects can be effectively overcome; sliding friction is changed into rolling friction, so that the friction coefficient is reduced, and abrasion is reduced; the oil seal can prevent grease from being liquefied and lost, so that sufficient lubrication during friction of the bearings and a shaft neck isguaranteed; meanwhile, dust particles are prevented from entering a friction pair, so that abnormal damage such as pulling and clamping of a friction surface is avoided; and the chain shaft, the rolling bearings and the oil seal are of a completely closed transmission structure, so that grease can be not added for a long time, daily maintenance work is reduced, and great convenience is brought toa user.