164results about How to "Reduce routine maintenance costs" patented technology

The invention belongs to the technical field of petroleum drilling and recovery and particularly relates to an electric drive sand mixing truck. The electric drive sand mixing truck comprises a truck chassis, a control room, a transformer, an electric discharge pump, an electric suction pump, a mixing tank stirring device, a sand conveying auger, a dry feeding system, a liquid feeding system, a suction manifold and a discharge manifold. The control room comprises a sand mixing truck automatic control system and a motor drive device. The electric drive sand mixing truck has the advantages that a motor is used as power source; compared with traditional sand mixing trucks using diesel engines and torque converters as main power output, the electric drive sand mixing truck is simple in structure, novel and reasonable in design, low in cost, low in noise, low in discharge, simple to control, high in sand-liquid matching precision, and convenient to popularize and use.

The invention is an air conditioning system and the using method without demanding water to conduct heat. It adds a cold-producing medium pressing and transmitting device which is comprises cold-producing medium pump and the low pressure transmitting device in the system to replace the water cold medium transmitting device which comprises water, pump and the mid medium heat exchanging device, the invention reduces the secondary cold transmitting system to one time system.

The disclosed method for automatic acquiring inner connection relation for optical network node comprises: the network management system builds connection relation model for every function single board of node; according to the unique information in the model data, it matches inner port to automatic search all inner connection relation; then, it shows the connection result in figure or text table. This invention is convenient to reduce maintenance cost.

The invention discloses a liquid-coated gas desulfurizing/atomizing nozzle which comprises an internal tapered slurry nozzle and an internal tapered gas nozzle, wherein the gas nozzle is arranged in the slurry nozzle, a gap is formed between the outer wall of the gas nozzle and the inner wall of the slurry nozzle, the outer wall of the slurry nozzle is provided with a slurry inlet pipe, and the internal circumferential surface of the slurry nozzle is a thread surface. Pressure gas subjected to pressurization is fed into the gas nozzle with an internal tapered end, further compressed, jetted out from the gas nozzle, and then converged with slurry in a tapered jet chamber of the slurry nozzle so as to form 'liquid-coated gas'; and under the action of high speed and pressure difference, the 'liquid-coated gas' is broken, and liquid drops are separated and broken and finally jetted out by the slurry nozzle, so that the slurry is efficiently atomized, thereby achieving an optimal flue gas desulfurization effect. The slurry inlet pipe is communicated with the gas nozzle in an obliquely-tangential direction, and the installation angle is consistent with the spiral angle of a thread structure, thereby further facilitating the formation of a natural spiral rotational flow when the slurry is fed into a slurry cavity, and facilitating the formation of the 'liquid-coated gas'.

A financial POS voice prompter includes two types of financial POS voice prompters, one type is build-in financial POS voice prompter embedding device separately into components of each POS terminal for realizing all functions of prompter, another type is externally-hung financial POS voice prompter setting devices independently at external of POS terminal to finalize functions of prompter by collecting relevant data of POS terminal. The voice prompting method of two types of said prompters is also disclosed.

The invention relates to a network optimization system for collecting signalling based on a terminal baseband chip. The wireless signaling of an intelligent terminal is used as a sample of collected data, a wireless protocol extraction interface is designed and added to a conventional intelligent terminal, an Agent is added to an operating system to manage and extract signaling parameters, a signaling data packet is uploaded by using a communication module, meanwhile the signaling parameters are analyzed by using a network model, and finally display, analysis and diagnosis are performed by using big data analysis and other technologies. The problems of abnormal signaling data report, protocol analysis, network problem prediction and network optimization model establishment of the intelligent terminal are mainly solved, and a faster and more accurate intelligent diagnosis system is provided for wireless network optimization. Meanwhile, the big data analysis of the wireless signaling parameters is conducive to establishing a behavior model of the terminal and a device state of the network side, thereby providing an optimal network configuration scheme within a certain spatial range.

The invention discloses a polymerizer for polymerization of fine particles; the polymerizer includes one or more cyclone devices, and each cyclone device comprises at least two rotational flow vanes; the rotational flow vanes are set to make a gas flow containing fine particles to form a rotary gas flow by the cyclone devices. The invention also provides a dedusting defogging integrated system comprising the polymerizer and an integrated dedusting defogging method. The high-efficiency dedusting defogging integrated system can effectively remove most of PM2.5 fine dust in the gas flow, and has quite high practical application value on governance of the fine particles in flue gas; moreover, the system is low device investment cost, low in energy consumption, and long-term running reliability, and can be used in the fields of flue gas purification of thermal power plants, steel plants, paper-making factories, glass factories, chemical plants and production workshops with particle emissions and the like.

The invention discloses supersonic electromagnetic-induction heating equipment which comprises a supersonic power supply control system, a supersonic electromagnetic-induction heating device, a first recycle pump, a heat storage device, a second recycle pump and heat radiating fins. The heat storage device is internally provided with a first temperature sensor which is electrically connected with a first temperature controller, and the first temperature controller is respectively connected with the supersonic power supply control system, the supersonic electromagnetic-induction heating device and the first recycle pump. The supersonic electromagnetic-induction heating equipment adopts a supersonic electromagnetic-induction heating mode, has high electrothermal conversion efficiency and low operation cost, reaches the national requirements for saving energy and reducing emission, solves the problem of environmental pollution and has wide application prospects, thereby being the current latest and optimal heating equipment.

The present invention relates to a bicycle renting and returning system based on a mobile phone APP and a Zigbee latching device, belonging to the bicycle rental management field. The present invention comprises a server, a mobile phone and at least one rental site, each rental site includes a bicycle and a vehicle locking pier position, the server is communicated with the mobile phone, the bicycle is connected with the vehicle locking pier position, each rental site also includes a Zigbee+4G gateway which includes a Zigbee+4G master control board and is communicated with the vehicle locking pier position and with the server, and the vehicle locking pier position includes the Zigbee+4G master control board. The bicycle renting and returning system based on the mobile phone APP and the Zigbee latching device is reasonable in structure, low in cost, simple in operation process, convenient to rent and return and high in safety of using the password identification, and leads into the map application to check the circumference car rental site information and the vehicle condition in real time so as to satisfy the people usage requirement.

The invention provides a technical method adopting an ultrasonic wave ceramic filter separating device for filtering drilling mud. According to the technical method adopting the ultrasonic wave ceramic filter separating device for filtering the drilling mud, filtering equipment comprises a rack, a mud tank, a conveying table and a mud separating mechanism, wherein the mud separating mechanism is installed on the rack and communicated with the mud tank, the mud separating mechanism comprises a filtering chamber, a ceramic filtering plate, a vacuum mud collecting tank and a discharging mechanism, the ceramic filtering plate is located in the filtering chamber, the filtering chamber is installed on the rack through a rotor, in addition, the filtering chamber is communicated with the vacuum mud collecting tank through a flow guide pipe, and the vacuum mud collecting tank comprises a mud collecting tank body and a vacuum pump, the discharging mechanism is installed on the rack and abuts against the filtering chamber. The filtering technological method comprises the six steps including drilling mud collecting, first time filtration, second time filtration, filter cake stripping, filtering chamber cleaning and circulating filtration. The technical method adopting the ultrasonic wave ceramic filter separating device for filtering the drilling mud has the advantages that the structural design of the technical equipment is reasonable, the automation degree of the cleaning technology is high, and effective cleaning work can be conducted on the filtering equipment when mud filtration is conducted.

The invention relates to a geographically distributed photovoltaic generating power supply monitoring system, which comprises a serving base station platform, at least one scene terminal platform, a communication network and photovoltaic power station operation monitoring modules, wherein the serving base station is connected with the scene terminal platforms through the communication network; the scene terminal platforms are electrically connected with the photovoltaic power station operation monitoring modules; each scene terminal platform is only electrically connected with one photovoltaic power station operation monitoring module; and the photovoltaic power station operation monitoring modules are additionally connected with photovoltaic power stations. According to the geographically distributed photovoltaic generating power supply monitoring system, remote monitoring can be simultaneously carried out on operating states of relatively multiple photovoltaic power stations with relatively wide distribution ranges; and the network architecture can be flexibly adjusted and monitored according to the use requirements, so that, on one hand, the flexibility of monitoring management work of a photovoltaic power generation system is greatly improved, and on the other hand, the construction cost and the daily construction cost of the monitoring system are also reduced.

The invention discloses a stone remover for a mining dump vehicle, and relates to the technical field of manufacturing mining dump vehicles. The remover comprises rear wheel sets consisting of two tires which are arranged at intervals and fixed supporting seats which are positioned above the rear wheel sets and mounted at the bottom of a vehicle hopper, wherein the fixed supporting seats are hinged with a stone removing rod of which one end is naturally drooped and stretched between the two tires through a first pin roll, the middle part of the stone removing rod is connected with a flexible limiting rope, and the other end of the flexible limiting rope is connected to the fixed supporting seats and a hinge joint is positioned behind the first pin roll. Compared with the prior art, the stone remover disclosed by the invention can solve the problems that the stone removing effect of the stone remover of an existing mining dump vehicle is poor, and because tires are easy to extrude, the abrasion is large.

The invention relates to the technical field of oil extraction engineering, and belongs to an oil-submerged hollow rotor screw pump oil extraction device with a hollow screw pump rotor and being capable of providing a well flushing channel. The problem that an existing oil-submerged hollow rotor screw pump oil extraction system is short of a controllable hot washing well flushing channel is solved. The oil-submerged hollow rotor screw pump oil extraction device is composed of an anchoring tool (1), an oil-submerged motor (2), a motor protector (3), a coupling (4), a screw pump stator (5), thescrew pump hollow rotor (6), a hot washing valve (7), a centralizer (8), an oil pipe (9), an oil-submerged cable (10), a wellhead (11), a junction box (12) and a ground control cabinet (13). Accordingto the oil-submerged hollow rotor screw pump oil extraction device, technological means are provided for establishing oil sleeve communication when an oil well of the oil-submerged screw pump oil extraction system is produced or operates, maintenance of the oil extraction system is improved, and daily maintenance and operating costs are reduced.

The invention discloses a traversing construction method for a tie bar arch, and relates to a bridge construction process. A main pier, a temporary pier and the tie bar arch are adopted in the method, wherein the span of the tie bar arch is 54 to 74 meters. The traversing method comprises the following steps of: 1, arranging a counterforce pier; 2, arranging an upper slipway and a lower slipway; 3, arranging and installing a jack; 4, arranging a stay wire type sensor; 5, traversing; and 6, jacking and lowering beams. By the method, the construction period is shortened, daily maintenance cost can be saved, the detached tie bar arch can be reused so as to save engineering investment to a great extent, and the method is high in safety.

The invention discloses a method and a system for remotely and rapidly maintaining a field apparatus. On the basis of a field monitoring system, an existing monitoring system communication network is sufficiently utilized to realize intensive maintenance and management on a field terminal apparatus of an automatic distribution network system. A realization process comprises the following steps of: 1) establishing connection between a maintenance device and a communication server; 2) sending a request for starting maintenance service; 3) establishing a maintenance channel; 4) carrying out intensive maintenance operation on a field power distribution terminal; 5) switching off the maintenance channel; and 6) recovering normal communication with an upper computer. According to the method and the system disclosed by the invention, not only can the field apparatus be intensively maintained and managed and the maintenance efficiency of a power distribution network field apparatus be effectively improved, but also a field engineering construction progress is accelerated and a daily maintenance cost of the system is lowered, and the costs of labor power, material resources and the like for maintaining a power distribution system are greatly saved.

The invention discloses an explosion-proof electric control hydraulic clutch, and relates to the technical field of hydraulic clutches. The explosion-proof electric control hydraulic clutch comprisesa power input component, an output component, a shell, a hydraulic control valve block and an oil supply rotating joint. The two states of clutching and meshing are available during use. Under the clutching state, an electromagnetic valve is powered off, and no power transmission exists between an input shaft and an output shaft. Under the engaging state, the electromagnetic valve is powered on, and power transmission exists between the input shaft and the output shaft. The explosion-proof electric control hydraulic clutch adopts a mechanical, electric and liquid integrated design and integrates control, execution, cooling and lubrication. Through integrated design, the working stability and the transmission efficiency of the clutch are improved, the daily maintenance cost is greatly reduced, and the mounting space is saved. The explosion-proof electric control hydraulic clutch is simpler and more convenient and flexible to use. Because wet work is adopted, a lubrication cooling deviceis integrated, and a closed structure is adopted, sparks are not generated during high-speed dynamic engagement, the working temperature is constant and cannot be high, and the explosion-proof performance is achieved.

The invention discloses an elastic waist online breaking transfer device and method. The device comprises a main drive plate, adsorption turn plate units, a shift cam and a reversing cam, wherein the shift cam and the reversing cam are arranged on the two sides of the main drive plate respectively, and the adsorption turn plate units are distributed on the periphery of the main drive plate; a two-way curve convex shift track groove is formed in the shift cam; a reversing track groove is formed in the reversing cam; the main drive plate is connected with the adsorption turn plate units and the shift track groove through an oscillating bar assembly; the bottom of each adsorption turn plate unit is connected with the reversing track groove through a reversing guide wheel. The method comprises the steps that breaking joints are pre-processed on elastic nonwoven, according to variation of the shift track groove of the shift cam, the adsorption turn plate units are made to generate breaking action on the elastic cloth when the adsorption turn plate units rotate; according to variation of the reversing track groove of the reversing cam, the adsorption turn plate units are made to gradually revolve on the axis of the adsorption turn plate units by 90 degrees and to be combined with a compound drum. The device is simple in structure, can be adapted to high-speed running of a diaper processing machine, and is low in cost.

The invention relates to the technical field of electric power regulating and controlling equipment, in particular to a direct-current centralized power supply dimming system and method for public lighting. The system is characterized by being provided with an alternating-current input unit, an AC/DC conversion unit, a monitoring unit and a direct-current output unit. Compared with the prior art, the direct-current centralized power supply dimming system and method are particularly suitable for lighting in public places, energy consumption of a lighting system is reduced, the service life of a lamp is prolonged, daily maintenance cost of the lighting system is reduced, and power distribution three-phase load balance of the lighting system can be achieved.

The invention relates to the field of municipal facilities, in particular to an intelligent manhole cover real-time monitoring and alarm system. The invention discloses an intelligent manhole cover real-time monitoring and alarm system, which includes a warning sign, a monitoring module and an antenna. Above, the signal output terminal of the monitoring module is connected to the antenna, and the connection between the warning sign and the well wall is provided with an elastic member. Through the driving force of the elastic member, when the well cover is removed, the warning sign will Under the action of force, it extends out of the cellar well to warn, and at the same time, the monitoring module sends out alarm information and transmits it to the monitoring center through the antenna for alarm. The invention has long communication distance, convenient installation, low cost, long service life and good use effect.

The invention, which relates to the technical field of signal traffic lights, discloses a signal traffic light convenient to adjust for urban traffic. The signal traffic light comprises a light post;a guide groove is formed in the left side of the light post; a mounting rod is fixedly mounted at the top of the light post, and a moving rod is slidably connected into the guide groove. A light bodyis fixedly mounted on the left side of the moving rod, two sliding grooves are formed in the front surface of the light body, the interiors of the two sliding grooves are slidably connected with a cleaning brush, and the left side of the cleaning brush communicates with two spray heads. According to the signal traffic light, a miniature water pump in a water storage barrel pumps water in the waterstorage barrel into the cleaning brush communicating with the water pipe, the water is sprayed out through the spray heads to clean the surface of the light body; meanwhile, an electric push rod is matched to push the cleaning brush to move in the sliding grooves to clean the surface of the light body, so that manual cleaning and maintenance are avoided, and the daily maintenance cost is reduced.

The invention relates to the technical field of generating equipment, in particular to a boat-shaped blade vertical axis wind turbine generator. In the prior art, most of the high-power wind turbine generators are horizontal axis wind turbine generators, the blade area and the wind turbine height are increased as the output power of the generator is increased, as a result, the shaking degree of the wind turbine generator is increased, and hoisting difficulty, danger and maintenance cost are increased as well. The boat-shaped blade vertical axis wind turbine generator comprises a spindle, a stabilizing shaft and a plurality of blade sets horizontally mounted on the spindle, and the included angles between the projections of the blades in the horizontal plane are equal; the interior of the spindle is of a hollow structure, the spindle is vertically mounted on a wind turbine rack, and a generator rotor is mounted on the lower part of the spindle, and corresponds to a generator stator. The boat-shaped blade vertical axis wind turbine generator has the advantages of wind omni-directionality and no high wind speed limit, the utilization rate of wind energy and the generating efficiency are increased, the height of a wind turbine is reduced, the boat-shaped blade vertical axis wind turbine generator is highly stable, is easy to overhaul and maintain, the defects of the prior art are overcome, and the output power of the wind turbine is further increased.

The invention relates to a regional distributed photovoltaic power generation power supply monitoring system. The power supply monitoring system comprises a service base station platform, at least one on-site terminal platform, at least one identity recognition server, at least one communication protocol server, a communication network and photovoltaic power station operation monitoring modules, wherein the corresponding service base station platform and the corresponding on-site terminal platform are connected through the communication network; the corresponding on-site terminal platform is electrically connected with the corresponding photovoltaic power station operation monitoring module; each on-site terminal platform is only electrically connected one corresponding photovoltaic power station operation monitoring module; and the photovoltaic power station operation monitoring modules are further electrically connected with photovoltaic power stations. According to the regional distributed photovoltaic power generation power supply monitoring system provided by the invention, the operation states of multiple photovoltaic power stations distributed in a relatively wide region can be monitored in a remote manner; the monitoring network architecture can be flexibly adjusted according to use requirements; and therefore, the flexibility of the monitoring management operation of the photovoltaic power generation system is greatly improved; and in addition, the construction and daily maintenance cost of the monitoring system is greatly lowered as well.