57results about How to "Solve overhaul" patented technology

The invention relates to an overhauling platform of a breaker. The platform comprises a transportation vehicle frame, a bearing guide rail, an elevating system and a brake structure. The transportation vehicle frame has a frame-shaped structure and one side of the transportation vehicle frame is opened; and steering wheels are respectively arranged at four corners of the bottom of the transportation vehicle frame; besides, the bearing guide rail includes two fixed bases are symmetrically and fixedly connected on the top surface of the transportation vehicle frame; each of the fixed base surface is provided with a guide groove and a plurality of pulleys are arranged in each of the guide groove in a line; and one end of each of the fixed base is provided with a guide part. According to the invention, a present condition that three overhauling tools are utilized to complete transportation task is changed; an intermediate link during the operation is simplified; and resources are saved; and an objective that a breaker is taken out from a working position and is dropped at an overhauling placing position or operation in a reversed order is realized is achieved only by one overhauling tool.

The invention belongs to the field of municipal and traffic engineering and relates to a ground-road comprehensive tunnel for underground pipelines and trolley buses. The technical scheme is that the underground compressive tunnel is set by combining with the ground roads, wherein the underground compressive tunnel has a rectangular cross section, and is vertically divided into two layers and is transversely provided with one single pore or multiple pores, the lower layer is used as a trolley bus comprehensive tunnel, the upper layer is used as a pipeline tunnel, the top plates are used as the ground roads, and the lower layer is only provided with ventilating facilities by which drivers and conductors can breathe. The technical effects include: the traffic of the underground trolley buses becomes a brand new public transport mode in which the special roads are set, and the traffic speed and ability are greatly improved; the oxygen is not consumed, no waste gas discharges, and the ventilating facilities only need to meet the breathing requirements of the drivers and conductors, so that the operating cost of ventilation is saved; the ground traffic space is saved; and the ground roads, the underground tunnels of the trolley buses and the pipeline tunnels are organically combined. The comprehensive tunnel is suitably used for developing underground trolley bus transportation in cities, and can also solve the problems of laying and maintaining the pipelines at the same time.

The invention discloses a straddle-type monorail bogie component maintenance and replacement device which comprises a bogie lifting device and a traveling base. The bogie lifting device is embedded into a straddle-type monorail track bogie maintenance section and comprises a lifting box girder and a lifting driving mechanism, the lifting box girder is matched with a straddle-type monorail track, the lifting driving mechanism is used for driving the lifting box girder to lift, and the traveling base is used for driving the bogie lifting device to transversely move along the straddle-type monorail track. According to the straddle-type monorail bogie component maintenance and replacement device, lifting is performed by the aid of the lifting box girder embedded into the track and a separatedbogie, the bogie can be moved out below a track car through the traveling base, so that the bogie can be replaced, and the bogie can be conveniently maintained as the bogie is moved out. From the above, the straddle-type monorail bogie component maintenance and replacement device can effectively solve the problem of inconvenience in maintenance and replacement of the bogie.

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 relates to an energy-saving and low-noise centrifugal pump, adopting a water cooling motor. The motor of the centrifugal pump is arranged in a seal structure under an impeller set and a pumping chamber; a motor shaft is rigidly connected with a pump shaft of the impeller set by a coupling. A pump inlet at the lower part of the centrifugal pump is communicated with a pump outlet at the upper part of the centrifugal pump via an outer barrel channel outside of the seal structure of the motor, thus forming a fluid pressurized channel. The coupling is arranged in a closed structure between the seal structure of the motor and the pumping chamber of the impeller set, and a mechanical seal is arranged between the closed structure and the pressurized- water champ of the impeller set. According to the invention, the structure of the centrifugal pump takes consideration of both the sealing and the heat radiation of the motor, provides convenience for maintenance, improves operating efficiency of the motor and reduces operating noise of an assembling unit.

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 present invention discloses a 750kV substation secondary equipment maintenance method based on monitoring data in the field of 750kV substation secondary equipment state maintenance. The method comprises a step of using the monitoring data and historical operation data of substation secondary equipment to establish a substation secondary equipment average life prediction model based on two parameters Weibull, a step of making the substation secondary equipment adjustment type preventive maintenance method according to the operation state evaluation result of the secondary equipment combined with substation equipment scheduled inspection time, and the influence of the reduction of the secondary equipment reliability caused by substation equipment scheduled inspection is avoided. According to the method, the maintenance personnel can be assisted to adjust the maintenance strategy of secondary equipment, the waste of large number of manpower and material resources brought by regular preventive maintenance is avoided, and the safe and stable operation of the 750kV substation secondary equipment is ensured.

The invention relates to an intelligent fault detector for a vacuum excrement collecting device of a passenger train. An online detection mode is adopated, through a specialized transition joint, a detection device is connected with a vacuum excrement collecting device control module (LCU), input and output signals of the control module (LCU) are directly obtained in an intruding mode, the obtained signals are processed and then transmitted to the mobile phone APP in a wireless mode, the signals are displayed by the mobile phone APP, and system detection and fault diagnosis of the vacuum excrement collecting device are completed. The intelligent fault detector for the vacuum excrement collecting device of the passenger train can rapidly detect and judge faults of electronic components, isbeneficial to field maintenance, and enables operators to rapidly find and eliminate the faults.

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 relates to an inflatable cabinet. The inflatable cabinet comprises a cabinet body and a circuit breaker which is installed in the cabinet body, the circuit breaker comprises a limit shaft which penetrates through the interior of the circuit breaker in the installation direction or is installed on the exterior of the circuit breaker, at least the end portion of the outer end of the limit shaft is provided with a limit structure which is used for cooperating with the inflatable cabinet in an assembled mode to fix the circuit breaker, and the circuit breaker is assembled in the cabinet body through a drawer-type installing structure. The limit shaft is installed in the circuit breaker, at least the end portion of the outer end of the limit shaft is provided with the limit structure which is used for cooperating with the inflatable cabinet in the assembled mode to fix the circuit breaker, the inconvenience of the overhaul and installation of the circuit breaker is solved, and the inflatable cabinet is simple in structure and convenient to operate.

The invention discloses a voltage transformer. The voltage transformer comprises a body with an inner cavity, a voltage mutual inductance portion arranged in the inner cavity, and a connection piece which is arranged at a first end of the body, located on the exterior of the inner cavity, and used to connect a bus cable of an objective air inflation cabinet. By using the voltage transformer, the problem that an existing voltage transformer is high in overhauling and replacement difficultly in the prior art, and achieves the effects of reducing the overhauling and replacement difficultly of the existing voltage transformer, enlarging an application range of the existing voltage transformer and improving popularizing rate of the existing voltage transformer.

The invention relates to the technical field of medical equipment, in particular to a medical slide storage cabinet which comprises a cabinet body and drawers. The cabinet body comprises a rear fixingplate and side fixing plates, and the drawers are connected with the side fixing plates. The medical slide storage cabinet further comprises a propelling device, and the propelling device comprises afirst power mechanism of which one end is connected with the drawers, a first transmission body of which one end is connected with the other end of the first power mechanism, and a second transmission body connected with the first transmission body. One end of the second transmission body is connected with the rear fixing plate, and the first transmission body can generate displacement relative to the second transmission body under the driving of the first power mechanism. Through the arrangement of the power supply, the control mechanism and the propelling device comprising the first power mechanism, the first transmission body and the second transmission body, the problem that the drawers cannot be automatically opened and closed is solved, and the technical effects that the manual searching is not needed, and the corresponding storage drawer is automatically opened, are achieved.

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 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 relates to the technical field of new energy technical equipment. The invention further discloses a hidden floor lamp based on a new energy technology. The lamp includes a base, and theinner wall of the base is movably connected with a first connecting rod; one end of the first connecting rod is movably connected with a first fixing part, the surface of the fourth fixing plate is movably connected with a third connecting rod, the surface of the fourth fixing plate is movably connected with a fourth connecting rod, one end of the third connecting rod is movably connected with a fifth connecting rod, and one end of the third connecting rod away from the fourth fixing plate is movably connected with a solar panel. According to the hidden floor lamp based on the new energy technology, The base is connected with the second connecting piece, the problem that an existing solar street lamp is small in application field range is solved, and the lamp does not occupy most of site space, meets the lighting use requirements of different sites, solves the problem that an existing solar street lamp is inconvenient for workers to overhaul or replace a storage battery, and is convenient to use and maintain, easy to operate, high in practicability and not prone to damage.

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 liquid level control system which comprises an upper limit probe, a lower limit probe, an auxiliary probe, a liquid level relay, an alternating current contactor and a pump, wherein the upper limit probe, the lower limit probe, the auxiliary probe and the alternating current contactor are respectively connected with corresponding contacts of the liquid level relay by leads; and the pump is connected with the alternating current contactor by a lead. The system also comprises switches, wherein the switches are connected on the lead connecting the auxiliary probe and the liquid level relay or between the leads which respectively connect the upper limit probe and the lower limit probe with the liquid level relay. The liquid level control system solves the problem that the existing liquid level control system can not enable the liquid level to stay between the upper limit probe and the lower limit probe, is especially suitable for water treatment equipment, and has the advantages of convenience in installation, debugging and overhaul.

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.

The invention provides a prestress assembled rail beam for stations and a construction method thereof. The prestress assembled rail beam comprises a rail beam main body; the rail beam main body comprises a flange, and two rib beams vertically connected to the flange; the two rib beams are oppositely arranged to form the rail beam main body with a double-T type cross section; and steel strands arearranged in the two longitudinal beams in a longitudinal penetrating mode. The prestress assembled rail beam is reasonable in structure and convenient to construct, and solves the defects in traditional bridge construction combination and bridge construction separation systems. Compared with a cast-in-place reinforced concrete structure, the structure height can be reduced, and the station hall floor escalator lifting height is reduced; and compared with a rail beam structure with bridge construction separation, a bracket can be not used, so that the maintenance and replacement difficulty of the bracket after operation of the stations is solved. The invention can be widely applied to rail beam structures of the stations.

The invention relates to a lower sealing valve overhauling tool and method, and belongs to the field of blast furnace equipment. The overhauling tool comprises a frame body, an overhauling unit is arranged at the front end of the frame body and comprises an arc-shaped supporting plate and a panel, the arc-shaped supporting plate is vertically connected to the front end of the frame body, and the panel is horizontally connected to the arc-shaped supporting plate and the upper end of the frame body. The panel covers the partial area of the upper end of the frame body. Supporting arms are connected to the arc-shaped supporting plate, the number and distribution of the supporting arms are matched with those of valve plate replacing holes in a valve plate of a lower sealing valve, valve plate replacing shafts are arranged at the front ends of the supporting arms and used for being inserted into the valve plate replacing holes, check rings are installed on the valve plate replacing shafts, and through holes are formed in the ends of the valve plate replacing shafts and used for installing cotter pins. Bolt holes corresponding to threaded holes in a valve seat are formed in the panel. The overhauling tool has the two functions of dismounting and mounting the valve seat and the valve plate at the same time, solves the problems of overhauling and replacement of the valve seat and the valve plate, enables operation to be standardized, improves working efficiency, and provides safety guarantee for overhauling personnel.