57results about How to "Solve overhaul" patented technology

The present invention relates to one kind of remotely controlled crane with separated operating mechanism. The remotely controlled crane has bogie operating mechanism and cart operating mechanism separated from the main structure of the crane and capable of being fixed outside the workshop without moving together with the crane. The present invention makes it possible for the outside crane operator to control the crane operating in contaminated environment. The present invention has reasonable structure, high performance/cost ratio and high production efficiency.

The invention discloses an energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus. The multifunctional power distribution detection apparatus comprises a charging input socket, an inversion alternating current output socket, a charging management module, an alternating current signal source output interface, an alternating current signal source output monitoring device, an alternating current signal source output linear adjustment rotary knob, an energy storage residual electric quantity indicator, a direct current power supply output interface, an alternating voltage signal source output interface, an alternating voltage signal source output monitoring device, an alternating voltage signal source output linear adjustment rotary knob and a general operating switch of the host. The energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus can supply stable power supply, simplify the kinds of the onsite instruments and improve the working efficiency of the operation and management of the power grid.

The invention belongs to the uranium isotope separation cascade technology frequency measurement data acquisition and automatic control technology field and especially relates to a centrifugal uraniumcondensation frequency measurement system control unit. An Ethernet controller and an upper computer carry out data communication so as to display frequency measurement data and a correlation signal.An LCD controller completes the on-site display of the frequency measurement data and operation personnel checks the data on site. Through I/O input, a button input function is realized, and data checking, shielding, on-site/remote control condition switching and data search functions are realized too. Through I/O output, the collected frequency measurement data is analyzed and processed and thena correlation fault signal is formed. On one hand, the I/O output is used for on-site panel indication and the correlation fault signal is displayed on a control unit panel as a mode of lightening afault lamp; on the other hand, the signal is sent to a Russian control system. The installation mode of a control unit is concise, the control unit can be accessed to the Russian control system in batches, a centrifuge can access the system without shutdown, fund investments are effectively reduced, and the operation stability of a cascade system is comprehensively increased.

The invention discloses a data acquisition and transmission equipment system and a predictive diagnosis and edge calculation method, and mainly relates to the field of embedded Internet-of-Things equipment software design and application. The system comprises a network center subsystem, a data center subsystem and a driving center subsystem, the network center subsystem comprises a message routing module, the data center subsystem comprises a data management module, a predictive diagnosis module, an edge calculation module and an equipment cluster module, and the driving center subsystem comprises an equipment driving module and a network driving module. The system has the beneficial effects that analysis and judgment are performed through equipment related technical parameter data, the working condition field of equipment maintenance time and fault occurrence time is predicted, data analysis is performed through combination of predictive diagnosis, edge calculation and a cloud platform, an expert diagnosis library of enterprise equipment is formed, the equipment operation and maintenance cost of enterprises is reduced, the service life of the equipment is prolonged while the operation and maintenance efficiency of the equipment is improved, and the production efficiency of enterprises is improved.

The invention discloses a decomposer uninterrupted power supply electric cabinet, comprising a stirring motor (5), wherein the stirring motor (5) is connected with a first power circuit (1) and a second power circuit (2) respectively, the first power circuit (1) is connected with a first control unit (3), the second power circuit (2) is connected with a second control unit (4), the first power circuit (1) and the first control unit (3) are installed in a first electric cabinet body, the second power circuit (2) and the second control unit (4) are installed in a second electric cabinet body, the first electric cabinet body and the second electric cabinet body are installed on a channel steel support, the channel steel support is connected with the top of a decomposer, rain covers are arranged on the tops of the first electric cabinet body and the second electric cabinet body, and the physical dimension of the second electric cabinet body is the same with the physical dimension of the first electric cabinet body. The invention has the advantages of simple structure, easy replacement, good using effect, convenient overhauling and maintenance, and high safety.

The invention relates to the technical field of closed circuit television monitoring systems and discloses an aloft-work-free anti-theft mounting rack for a closed circuit television monitoring system. The aloft-work-free anti-theft mounting rack comprises a supporting rod. The right side of the interior of a mounting base is provided with a first locating groove, a guide groove and a second locating groove from top to bottom in sequence. The upper portion of an arrow-shaped sliding rod is provided with an arc-shaped groove and connected with a separation ring corresponding to the arc-shaped groove. A first spring is connected between an adjusting device and the arrow-shaped sliding rod. A second spring is connected between the right side of a clamping block and the right end of the guidegroove. The arrow-shaped sliding rod is pulled to move upwards through the right end of a cord. The clamping block squeezes the upper arc surface of the separation ring to move to the location below the clamping block, a first driving shaft is controlled to rotate clockwise, the arrow-shaped sliding rod drives the separation ring to slide downwards under the action of gravity, and the clamping block moves to push the separation ring to move out of the arc-shaped groove. Through the aloft-work-free anti-theft mounting rack for the closed circuit television monitoring system, the problems that an existing monitoring system device is inconvenient to install and maintain and causes the risk of aloft work are solved.

The invention belongs to the technical field of maintenance methods for air pre-heaters and provides a maintenance process for online fast leakage detection for air pre-heater. The maintenance process is used for online fast leakage detection for the air pre-heater of a coal-fired boiler. According to the technical scheme, a charging device is installed on an air supply channel of the air pre-heater, white lime enters the air pre-heater from the charging device and circulates, a part of the white lime enters a boiler combustor along with high-temperature air supply, another part of the white lime enters a damaged heat exchanger tube in the pre-heater, traces of the white lime appear at the two ends of an opening of the heat exchanger tube, and the heat exchanger tube with the traces of the white lime at the two ends is the damaged heat exchanger tube. By the adoption of the maintenance process, off-line leakage point detection of the whole air pre-heater is avoided, or the phenomenon that lamplight is adopted for checking heat exchanger tubes one by one is avoided, the maintenance time is shortened, the number of maintenance personnel is reduced, the labor intensity is lowered, and the maintenance expense is saved; the maintenance process solves the air pre-heater maintenance problem which restricts smooth running of production for a long time, continuity of the production is ensured, and economic benefits are increased.

The invention discloses a power cabinet convenient to internal device maintenance. The power cabinet comprises a waterproof pedestal, the waterproof pedestal is provided with a power cabinet main body, the power cabinet main body is internally provided with a control groove, and the inner top wall of the control groove is fixedly provided with a top plate. By pulling a handle, a first roller rollsin a moving groove, a second roller rolls in a sliding groove, and a equipment mounting plate is pulled out of the control groove through cooperation of the first roller and the second roller, so that workers are prevented from being shielded by the power cabinet main body when maintaining electrical equipment; The invention solves the problem that when an existing power cabinet is used, a workerneeds to stretch an arm into a control groove for maintenance, great convenience is brought to maintenance of the worker, flowing air generated by rotation of a fan enters the control groove throughan air net, the air flowing speed in the control groove is increased, and a large amount of heat generated when the electrical equipment works for a long time is discharged from the heat dissipation opening, so that heat dissipation of the control groove is realized, and the situation that the electrical equipment is damaged due to high temperature caused by untimely heat dissipation is effectively avoided.

The invention relates to the technical field of ships, in particular to a high-safety lifting platform for ship outer wall detection. According to the technical scheme, the lifting device comprises a lifting device body and a shear fork type lifter, the lifting device body comprises a base used for fixedly installing the shear fork type lifter, and the lifting device body further comprises a lifting table fixedly installed at the output end of the shear fork type lifter; a plurality of stabilizing columns penetrating through the lifting table are fixedly installed on the base, a stability maintaining connecting rod is fixedly installed between every two adjacent stabilizing columns, and auxiliary stabilizing mechanisms are arranged between the base and the two sides of the lifting table. Through the arrangement, the lifting platform is more stable after being lifted, the use safety of the lifting platform is greatly improved, the manufacturing cost is low, the use requirement of small shipping is met, and the lifting platform is convenient to popularize in the market.

The invention provides a server cabinet which comprises a box door, a back plate, server mounting racks and an electric telescopic rod; the box door is rotationally arranged on the front side of the server cabinet; the plurality of server mounting racks are arranged, and the back plate is arranged on the rear side of the server cabinet; a plurality of threading grooves are formed in the back plate; and the electric telescopic rod is arranged at the top of the server cabinet and drives the back plate and the server mounting racks to move reversely through the shifting assembly. The shifting assembly is operated through the electric telescopic rod, so that the back plate and the server mounting frame move reversely, an operation space is provided for operators, and the problem that overhaul, maintenance and replacement operation of a storage server and a connecting wire are tedious due to inconvenient disassembly and assembly is solved; and the threading groove on the back plate provides a reasonable wiring space for wiring.

The invention relates to a circulating system and method for lubricating oil of a steam turbine, and the circulating system and method are used for filtering and purifying the lubricating oil for each bearing on a rotating shaft and a pipeline system of the steam turbine. The circulating system for the lubricating oil comprises a lubricating oil tank, a high-actuation oil pump, a plurality of filters and a duplex filter; lubricating oil is stored in the lubricating oil tank; an inlet of the high-actuation oil pump is connected with the lubricating oil tank; an outlet of the high-actuation oil pump is connected with a main oil pipe; the main oil pipe is connected with a plurality of branch oil pipes; the branch oil pipes are connected with the corresponding bears; the filters are arranged on the corresponding branch oil pipes and are located at the front ends of the corresponding bearings; each bearing is connected with a branch oil return pipe; all the branch oil return pipes are connected with a main oil return pipe; the main oil return pipe is connected with the lubricating oil tank; and the duplex filter is arranged on the main oil pipe. By using the circulating system and method for the lubricating oil of the steam turbine, the oil circulating efficiency of the steam turbine is increased, and the overhaul time and the trial operation time are shortened.

The invention provides a crane and relates to the field of explosion-proof crane technologies and safety. The crane is suitable for special chemical industry and military environment and mainly comprises a trolley, a cart running mechanism, a hoisting mechanism, a hydraulic system and the like. For the crane, the self weight of the crane can be effectively lowered; in addition, by adopting hydraulic transmission and safe voltage control, the safety performance and the stability performance of lifting equipment can be better ensured; and the technical problems of easiness in damage of explosion-proof electrical elements, difficulty in electrical arrangement, easiness in electric leakage injury caused by explosion-proof equipment, high requirements for grades of an anti-explosion electric hoist and a motor, poor smoothness in starting and braking of the motor, easiness in abrasion of a steel wire rope and swing of the steel wire rope, instability in the steel wire rope and the like in the prior art solved, so that the crane is convenient to use and overhaul, the artificial intelligence (AI) chemical plant can be easily realized in the future, the cost is lowered, and the safety is improved.

The invention belongs to the technical field of automobile electronic control and particularly relates to an automobile electronic control device. The device includes an outer casing, wherein one side of the outer casing is buckled with a fixed cover, the position of the outer casing close to the fixed cover is fixedly connected with an external port through a screw and a circuit board mounted in the outer casing. The automobile electronic control device is advantaged in that during use, the circuit board is buckled in a groove, when the circuit board needs maintenance, the fixed cover and the external port are detached, a clamping block clamping the circuit board on an upper surface of a connection block is moved upward by a connecting rod through pressing a button, and thereby a worker is made to rapidly take out the circuit board to perform corresponding processing. The device is advantaged in that a problem that an integrated structure of an original circuit board and the whole automobile electronic control device is not convenient for replacement and maintenance is solved, and moisture in the outer casing can be quickly removed by utilizing a dehumidifier, the connecting plate, an air pump or the like in the fixed block.

The invention provides a high-safety medium-voltage and high-voltage power distribution cabinet partition box, and relates to the field of power distribution cabinets. The high-safety medium-voltage and high-voltage power distribution cabinet partition box comprises a box body, and the front end of the box body is rotationally connected with a sealing door through a rotating shaft. The handle is held by a hand to drive the sealing door to rotate, the rotation of the sealing door can drive the fixing plate and the electric appliance element body to move forwards synchronously, and when the sealing door and the box body are located at an angle of 180 degrees, the electric appliance element body moves to the through hole in the front end of the box body and is located on the same horizontal plane with the through hole in the front end of the box body. In this way, the problem that in the prior art, a probe needs to enter a box body for maintenance by a worker is solved, maintenance of the electric appliance element body by the worker is facilitated, the interior of the box body is prevented from being dark, and the maintenance efficiency of the electric appliance element body is improved. And when the electrical component body is overhauled, the circuit is easy to damage and safety accidents are caused, and the safety of the power distribution cabinet partition box is improved.

The invention discloses a Fresnel focusing system which comprises a reflector field, receivers and maintenance spaces, wherein the reflector field is composed of a row of parallelly arranged reflecting mirror stripes, the receivers are parallelly arranged above the reflecting mirror stripes, and the maintenance spaces are arranged at the bottom of the reflector field. By the aid of the Fresnel focusing system, severe problems including low focusing efficiency of extinction, tolerance rate, screen ratio, and inconvenience to overhaul and maintain are solved.