100results about How to "Short maintenance cycle" patented technology

A UV irradiation apparatus for processing a semiconductor substrate includes: a UV lamp unit; a reaction chamber disposed under the UV lamp unit; a gas ring with nozzles serving as a first electrode between the UV lamp unit and the reaction chamber; a transmission window supported by the gas ring; an RF shield which covers a surface of the transmission window facing the UV lamp unit; a second electrode disposed in the reaction chamber for generating a plasma between the first and second electrodes; and an RF power source for supplying RF power to one of the first or second electrode.

The invention provides a remote fault diagnosis system and method for concrete batching plants. The system comprises at least one concrete batching plant, a near-end monitoring module, a wireless network module, a far-end monitoring module and a fault diagnosis module, wherein the wireless network module is connected with the fault diagnosis module through the GPRS and is connected with the far-end monitoring module through the GPS, the far-end monitoring module comprises a far-end monitoring computer and a portable far-end monitoring device, and the fault diagnosis module comprises a database module, a database maintenance module and a diagnosis module. The method comprises the steps of (1) acquiring data, (2) storing and uploading data, (3) analyzing data, (4) judging whether a fault occurs, (5) conducting forward reasoning, (6) conducting backward reasoning, and (7) outputting a conclusion. By means the system and method, geographical location positioning, remote information management, equipment state detection and remote fault diagnosis of the concrete batching plants can be achieved, and quick response to maintenance requirements of users is realized.

The invention discloses an automatic magnet assembly tray supply mechanism. The automatic magnet assembly tray supply mechanism comprises a storage mechanism, clamping mechanisms, a supporting mechanism and a transmission mechanism. The storage mechanism comprises a supporting frame and four retaining sides, and the four retaining sides are arranged on the upper end face of the supporting frame. The clamping mechanisms are arranged at left and right ends of the upper end face of the supporting frame respectively, clamping plates are arranged on the upper end face of the supporting frame through slide rails, and horizontal pushing air cylinders are arranged on outer sides of the clamping plates and connected with the clamping plates. The transmission mechanism is arranged below the supporting frame and comprises two conveying belts driven by a motor. The supporting mechanism is arranged below the supporting frame, a supporting air cylinder is connected with a supporting plate, four connecting rods are arranged on the upper end face of the supporting plate, and the supporting plate is fixed to the four connecting rods. The automatic magnet assembly tray supply mechanism has advantages of high repeated positioning accuracy, simplicity in operation, short maintenance period, high adaptability and the like, labor saving is achieved, action fusion with magnet assembly equipment can be realized, high reasonability in joint with the equipment is achieved, automation level is raised, and integral efficiency is improved.

The invention relates to a PLC detection system conducting performance detection on PLC system of an electrical control cabinet in railway carriage and a detection method. The PLC detection system comprises a host computer and a detected PLC system, wherein communication between the host computer and the detected PLC system is conducted. The PLC detection system also comprises a temperature signal detection unit, an analog input channel detection unit, a digital quantity output detection unit, and a digital quantity input detection unit, which can respectively achieve the automatic detection of the digital quantity input end, the temperature input end, the analog input end and the digital quantity output end of the detected PLC system. When the system of the invention is adopted for detection, the program of the PLC system is not required for updating, and no complicated work condition is required to be simulated, and thereby rapid, efficient and accurate detection can be realized.

Provided is a centrifugal steel mould hub repairing process. In the process of long term contacting of a hub and a power wheel, the outer surface of the hub can generate tension force, namely, pressure stress, once the hub is taken down from a centrifugal steel mould, under the function of the tension force on the outer surface of the hub, the inner diameter of the hub is bound to reduce and deform, and is difficult to repair. The centrifugal steel mould hub repairing process comprises the following steps: manufacturing a positioning mould with a core shaft, a mould fixing plate and a basic flange plate on the centrifugal steel mould for fixing the hub are identical, the basic flange is imitated, the hub is fixed on the mould fixing plate, equivalently, a running wheel is moved to a lathe for processing, improvements relies in steps of increasing stress relief, diameter and shaft bi-directional pressing and fixing in the process of dismantling and positioning. Due to the fact that same order and same position in an integrated task is not restricted by sequencing and processing, single mode repair cycle is just 4.5 hours, general repairing of a 10 meters mode can be completed in 2 to 3 days, time saving effect is very obvious, and emergency repairing is benefited.

The invention is applicable to the field of illumination and provides a constant current driving circuit, an LED light source and a locomotive light. The circuit comprises a BOOST circuit, an isolating DC/DC constant current driving circuit, an under-voltage control circuit, a low-voltage switching control circuit and a control power supply circuit, can support direct current input with low voltage and wide range, can effectively solve the defects of narrow input voltage range, short service life of the light source, low light efficiency, poor vibration resistance, short maintenance cycle, insufficient protection functions and the like of a locomotive light used in a coal mine, and improves safety of mine operation.

The invention discloses a push layer type coin classifying machine comprising coin classifying slideways, coin classifying plates, classifying plate supports, a base, a fixed base, slide rails, a connecting rod shaft base, a connecting rod, a circular disc and a speed reducing motor. The coin classifying plates are installed from the top to the bottom in turn. The upper three coin classifying plates are respectively provided with one-yuan, five-jiao and one-jiao coin classifying holes. The upper ends of the coin classifying slideways are respectively connected with the end parts of the corresponding coin classifying plates, and the lower ends are respectively connected with the internal side plates of corresponding coin collecting boxes. Mixed paper currency and coins are put in, the speed reducing motor drives the circular disc to rotate to drive the connecting rod and the moving base vibrates, and coins falls through the coin classifying holes of the classifying plates and are classified along the slideways so that different values of coins and paper currency can be automatically sorted, the push layer type coin classifying machine is simple in structure, concentrated in arrangement and practical and convenient, and the coin sorting device is wide in range of application, high in efficiency, low in cost, safe in work and short in maintenance period.

The invention discloses an integrated control device and a control method for a hydraulic system. The integrated control device for the hydraulic system comprises a CPU (central processing unit), a power source unit, a switching and pulse input unit, a switch power drive unit, an analog signal input and output unit, a proportional driver unit, a communication unit and an interactive display unit. The switching and pulse input unit, the switch power drive unit, the analog signal input and output unit, the proportional driver unit, the communication unit and the interactive display unit are all connected with the CPU. The CPU, the switching and pulse input unit, the switch power drive unit, the analog signal input and output unit, the proportional driver unit, the communication unit and the interactive display unit are all connected with the power source unit and powered by the power source unit.

The invention relates to the field of production of stainless steel welded tubes, in particular to a production method of a ferritic stainless steel welded tube. The method comprises the following steps: selecting a stainless steel strip with thickness of 2-3mm, wherein the stainless steel strip is prepared from the following components in mass percent: 0.01-0.03% of C, 0.20-1.00% of Si, 1.00-2.50% of Mn, less than or equal to 0.040% of P, less than or equal to 0.015% of S, 11.00-13.00% of Cr, 0.50-1.00% of Ni, 0.2-1.00% of Cu, 0.10-0.25% of N, 0.10-0.35% of Ti, less than or equal to 0.002% of O, and the balance of Fe and unavoidable impurities; and then uncoiling and flattening the steel strip, arranging rollers for forming, removing burrs inside and outside the welded tube, carrying out thermal treatment, and carrying out cold correction on the welded tube. The welded tube prepared by adopting the method disclosed by the invention is high in dimension precision, and can meet the requirements of tubes for carrier rollers used in long-distance, large-volume and high-speed belt conveyer conveying environments.

The invention discloses a combined electrolysis cathode plate which comprises an electrolysis cathode plate and a conductive connecting piece, and is characterized in that the electrolysis cathode plate comprises an electrolysis mother plate, a plurality of electrolysis unit plates and connecting mechanisms thereof, wherein, the electrolysis mother plate is in a plane structure, and the upper end of the mother plate is connected with a conductive connecting structure; the connecting mechanism is arranged on the surface of the electrolysis mother plate; the electrolysis unit plates are frame plates which are applicable to paste application and removing devices with surface area smaller than that of the electrolysis mother plate; the electrolysis unit plates are movably arranged on the electrolysis mother plate by the connecting mechanisms, to form a large removable combined electrolysis cathode plate. The combined electrolysis cathode plate of the invention can not only meet the requirements for the mechanical operation during paste application and removing processes, but also realize wet electrolysis mass industrialized production, improve production efficiency, improve current efficiency and reduce power consumption.

The invention relates to a multi-stage dry magnetic separator which is characterized by comprising four layers of conveying mechanisms sequentially arranged from top to bottom, wherein from top to bottom, the four layers of conveying mechanisms sequentially comprise a first-stage magnetic separation main conveyor (4) at the first layer, a first-stage auxiliary conveyor (5) at the second layer, a second-stage magnetic separation main conveyor (6) at the third layer and a second-stage auxiliary conveyor (7) at the fourth layer. The multi-stage dry magnetic separator can pick out concentrate withhigher iron content, middlings with medium iron content and tailings with lower iron content; the concentrate is picked out from the right section of the bottom of the multi-stage dry magnetic separator; a concentrate discharging hole (9) is formed in the right section of a corresponding lower frame (3); the middlings are picked out from the middle section of the bottom of the multi-stage dry magnetic separator; and a middlings discharging hole (10) is formed in the middle section of the corresponding lower frame (3). The multi-stage dry magnetic separator has the advantages of being high inmagnetic separation efficiency, adaptability and using stability and convenient to maintain.

The invention discloses a manipulator clamping jaw mechanism used for blow molding disc, which comprises a substrate, wherein a manipulator flange connector is arranged at the central point of the substrate, the middle of the lower surface of the substrate is provided with two suction nozzle mounting plates with product suction nozzles; the left and right ends of the upper surface of the substrateare respectively provided with three linear sliding rails which are provided with clamping jaw mounting plates through sliding rail connecting blocks, holes are formed in the lower parts of the clamping jaw mounting plates, anti-adhesion clamping jaws are arranged at the bottoms of the clamping jaw mounting plates, the end surfaces of the outer sides of the clamping jaw mounting plates are provided with upper and lower separated clamping jaw cylinders, telescopic rods of the upper and lower separated clamping jaw cylinders are connected with a separated clamping jaw in the hole; the sliding rail connecting blocks at the same end are commonly provided with a clamping jaw connecting arm controlled by a clamping jaw translation cylinder. According to the manipulator clamping jaw mechanism, ablow molding disc clamping jaw and the product suction nozzles are combined into one, and the manipulator clamping jaw mechanism has the advantages of low design cost, small occupying space, easinessin guaranteeing of processing precision, convenience in operation, short maintenance period and the like, and is provided with an anti-adhesion mechanism so as to better adapt to the characteristicsof the blow molding disc.

An electronic communication system monitoring device belongs to the technical field of monitoring devices, and particularly relates to an electronic communication system monitoring device. The invention provides an electronic communication system monitoring device which can reduce the maintenance cost and improve the maintenance quality. The monitoring device comprises an industrial personal computer, a GPIB bus instrument, a VXI bus instrument and a power supply system, and is structurally characterized in that the VXI bus instrument is of a clamping type case structure, an IEEE1394 bus is adopted in the bus control mode, and PCI-1394 interface card is loaded in a main control computer to finish the control of the VXI bus instrument; The industrial personal computer comprises a bottom layer driving module, a database, an equipment driving module, an upper layer function module and a man-machine interaction module. And the bottom layer driving module establishes a complex virtual interface and completes flight parameter simulation display transmitted by the complete machine avionics system.

The invention relates to a tracking simulation method for a moving closed urban rail train. The tracking simulation method comprises the following steps of: S1, performing classification treatment of entities, such as an urban rail line, a control signal and an urban rail simulation train, and establishing a basic data module; S2, establishing a simulation parameter definition module; S3, establishing a system operation module; S4, according to requirements, setting and calling basic data required when all kinds of trains operate simulation; S5, inputting simulation parameters, and performing embodiment and digitization of an environment needing to be simulated; S6, entering system simulation operation; S7, outputting tracking result data; and S8, drawing a tracking result curve, and determining a tracking result. A simulation system adopted in the simulation method is low in cost, short in maintenance period, simple and convenient to operate, reliable to operate, good in humanization and high in pertinence, and can be tightly combined with practical teaching requirements.

The present invention relates to an efficient grinding mechanism for a vertical roller mill. The efficient grinding mechanism comprises a drive mechanism, wherein the drive mechanism is connected with a grinding table, the upper part of the grinding table is provided with a feeding tube, a plurality of grinding rollers are arranged on the circumferential edge of the grinding table, the grinding rollers are divided into large grinding rollers and small grinding rollers, and the large grinding rollers and the small grinding rollers are arranged on the circumferential edge of the grinding table in a staggered manner. The present invention provides an efficient grinding mechanism for a vertical roller mill, wherein the efficient grinding mechanism has characteristics of high grinding efficiency, simple structure and easy maintenance.

A vertically moving unit for the headlight of locomotive is composed of a lifting mechanism which may be pulley one, rack bar one, or hydraulic one, fixed supporting frame, guide mechanism and movable supporting frame connected to said fixed one via guide mechanism.