64results about How to "Low maintenance efficiency" patented technology

The invention relates to the technology for processing a topology model in power distribution automation, in particular to a visualization error correction method of a power distribution network topology model. The visualization error correction method of the power distribution network topology model is characterized by including the steps that a CIM model is obtained from a GIS to be used as a power grid topology model which is to be corrected and is led in by a DMS, a standard SVG is acquired to be used as an error correction standard, the CIM model is verified first, afterwards, apparent errors, electrical disconnection and wrong connection are sequentially detected, wrong multilevel graph comparison and analysis of electrical topology are examined in detail, and meanwhile interaction control over the topology (power supply area) on the whole network graph is realized so that a coloring test can be promoted. According to the method, the topological relation is displayed in imaging and visualization modes, the visualization check and error correction of the power distribution network topology model are achieved, hence, the correct model topology is provided for the DMS, and the DMS advanced application functions such as the centralized feeder automation function and the network reconstitution function can be better achieved. Solid technical support is provided for power distribution operation, the scheduling intelligent degree and the improvement of working efficiency.

An electronic device housing is disclosed. The electronic device housing, the electronic device housing comprises a cover comprising a base board, a receiving portion defined in the base board, and a fixing portion in the receiving portion; a silicone rubber membrane; and a panel received in the receiving portion, the panel is fixed to the cover via the silicone rubber membrane.

The invention discloses a convenient-to-mount ammeter which comprises a box. An ammeter body is arranged in an inner cavity of the box, a threaded hole is formed in each of two sides of the box, a threaded column is connected in each of the two threaded holes in a threaded manner, opposite ends of the two threaded columns are fixedly connected with a first retaining block and a second retaining block respectively, the first retaining block is positioned on the left side of the second retaining block, the first retaining block and the second retaining block are positioned on two sides of the ammeter body, and the bottom ends of opposite faces of the first retaining block and the second retaining block are fixedly connected with a first clamping block and the second clamping block respectively. By arranging a storage groove, a spring, a moving block, a first rotating shaft and a hinging seat and through cooperation of a U-shaped groove, the second clamping plate and the first clamping plate, when the moving block slides to the U-shaped groove, the spring ejects the moving block to enable the same to be clamped in the U-shaped groove by leftwards pushing the second clamping plate and rightwards pushing the first clamping plate, so that effect of fixing the second clamping plate and the first clamping plate is realized; the ammeter is convenient to mount, so that maintenance efficiency is improved, and time and labor are saved.

The invention discloses an all-weather railroad bridge detecting vehicle. The all-weather railroad bridge detecting vehicle comprises two rows of walking and supporting legs arranged in an abreast mode, the two rows of walking and supporting legs are located on the outer sides of telegraph poles respectively, walking wheel systems are arranged below the walking and supporting legs, and the two rows of walking wheel systems are located between a rail and a noise insulation wall. Each walking and supporting leg is in hinge connection with a structural support, a supporting leg swing cylinder driving the walking and supporting leg to horizontally swing is arranged below each walking and supporting leg, and the supporting leg swinging cylinder is arranged on the structural support. The lower end of each structural support is connected to a power unit, a workbench is arranged on the power unit, and two swing beam assemblies are arranged between the two rows of the structural supports. The all-weather railroad bridge detecting vehicle is a device for detecting and maintaining a high-speed railway bridge. The all-weather railroad bridge detecting vehicle has the advantages that the vehicle does not influence operation of a high-speed rail and can be operated in all weathers and avoid the telegraph poles and piers on a bridge during marching.

The invention discloses a sewage pump unit structure comprising a rack, a high bar air-cooled diesel engine and a water pump. The high bar air-cooled diesel engine is disposed on the rack. The water pump is arranged on one side of the high bar air-cooled diesel engine. In the sewage pump unit structure, sediment impurities and Long-thin fiber impurities will be deposited under the water pump after being filtered by a coarse mesh filter and a fine filter, impurities were collected by a sand funnel for regular cleaning, and thus an impeller is prevent from being enwound by the long-thin fiber impurities, and the wearing of the impeller by sand is reduced. The sewage pump unit structure has the advantages of low maintenance efficiency, good filtering effect and long service life. Because a turbine is also added, the water inlet and water outlet velocity of water pump is increased, and thus the working efficiency is increased.

A high-resolution X-ray apparatus and a high-resolution X-ray detecting apparatus includes a plurality of multi-slice X-ray detection packs held on the pair of guide rails by detachable tight fitting members. A detachable pressing board is provided on the pair of guide rails for fixing the plurality of detection packs so that edges of adjacent detection packs contact each other.

A display with a detachable screen according to the present application includes a servo body and a display screen, the display screen is electrically connected to the servo body via an electric wire, the display screen is detachably connected to the servo body, and the servo body drives the display screen to move between an unfolded position and a folded position, and the electric wire is detachably connected to the display screen. The display with the detachable screen according to the present application has a simple and compact structure and occupies a small volume, and the assembling and disassembling is convenient and efficient, the display screen can be separately detached from the servo body easily, thus it is convenient to independently maintain and replace the display screen without the complicated process of detaching the entire display from an interior trimming panel of a luggage rack of a passenger aircraft.

The invention belongs to the field of a petroleum testing device and particularly relates to a piston type telescoping electrode for through casing resistivity. The piston type telescoping electrode for through casing resistivity comprises an electrode support (3), a piston cylinder (5) fixedly connected on the electrode support (3), a probe seat (12) provided with an electrode probe (10), a slip ring (15) and a probe righting arm (2); the two ends of the probe righting arm (2) are in pivot connection with the probe seat (12) and the slip ring (15) respectively; the slip ring (15) is slidingly sleeved with the end part of the electrode support (3); in the end part of the electrode support, the inner side of the slip ring (15) is sleeved with an arm contraction spring (1); the top end of a secondary piston (7) of the piston cylinder (5) is fixedly connected with the probe seat (12) in a matching way; the top end of the secondary piston (7) is fixedly matched with an insulating pad (9); and an insulating probe sleeve (11) is sleeved outside the electrode probe (10). The piston type telescoping electrode for through casing resistivity is difficult to damage at high temperature and has the advantages of high reliability, convenience for maintenance of electrodes and low maintenance cost.

An embodiment of the invention proposes a police affair big data processing system used for improving the working efficiency of a police affair system. The system comprises a data preparation module used for processing police affair related data obtained from a data source to enable the police affair related data to meet a storage requirement of a data storage module, the data storage module used for storing the police affair related data processed by the data preparation module, a data calculation module adopting a SPARK calculation system and used for performing various scene calculation on the police affair related data stored in the data storage module, and a data application module used for a man-machine application interface. According to the embodiment of the invention, the core is that big data processing speed is greatly increased by taking Spark as an efficient memory distributed calculation technology, a stack solution reduces the cost of data conversion among multiple systems and the learning and maintenance costs of the systems, and the efficiency is improved due to seamless fusion.

The invention discloses a telescopic support facilitating forklift maintaining. The telescopic support facilitating forklift maintaining comprises a top plate. A movable groove is formed in the frontface of the top plate. A sliding block is movably connected into the movable groove. An adjusting screw is movably connected into the sliding block. An adjusting nut is movably connected with the outer wall of the adjusting screw. A through groove is formed in the upper surface of the top plate. The sliding block is movably connected into the through groove. A threaded rod is fixedly connected with the top of the sliding block. A threaded sleeve is in threaded connection with the outer wall of the threaded rod. A base plate is fixedly connected with the top of the threaded sleeve. A fixing plate is fixedly connected with the top of the base plate. A sliding groove is formed in the bottom of the inner wall of the base plate. By arranging the top plate, the base plate and an adjusting box, the support can have the height adjusting function, the height of the support can be adjusted widely through a threaded barrel and a fixing rod and then is finely adjusted through the threaded sleeve and the threaded rod, and thus the support is more convenient to use during maintaining.

The invention relates to an LED transparent display screen, belonging to the LED technical field. It provides an LED transparent display screen with high light transmittance, high pixel, and easy replacement of lamp beads. The two connecting strips are arranged in parallel and a gap is arranged between the two strips, the front sides of the two connecting strips are detachably and fixedly connected with a plurality of lamp beads, the transparent conductive film is laid on the rear sides of the two connecting strips along the length direction of the connecting strips, the pins of the pluralityof lamp beads are electrically connected with the transparent conductive film, and the transparent conductive film is electrically connected with the circuit control box. The invention increases the light transmittance of the lamp bar and realizes the functions of high pixel and high light transmittance without affecting the distance between the lamp beads. The lamp bead of the invention can not only be stably installed on the lamp bar, but also be detachable from the lamp bar, but the maintenance cost and the maintenance efficiency can be effectively reduced.

The invention discloses a novel sawing machine blade connection structure and a manufacturing method thereof and aims at solving the problems that the blade is not firmly fixed, and spare parts, such as a saw plate are short in service life and poor in production continuity. The novel sawing machine blade connection structure comprises a saw plate arranged on a main shaft of a sawing machine; the novel sawing machine blade connection structure is characterized in that the saw plate comprises a man saw plate and an auxiliary saw plate; the main saw plate is arranged on the main shaft of the sawing machine through a main shaft connection through hole; a shaft neck shaft sleeve is arranged on a saw plate shaft neck of the main saw plate; the auxiliary saw plate is connected with the shaft neck shaft sleeve arranged on the saw plate shaft neck of the main saw plate through a shaft sleeve sink hole; a sawing machine blade is arranged between the main saw plate and the auxiliary saw plate; and is arranged on a saw plate installation flange of the shaft neck shaft sleeve through as blade installation hole; and the manufacturing method of the connection structure comprises manufacturing of the main saw plate, the auxiliary saw plate and the shaft neck shaft sleeve, machining of the sawing machine blade and combined installation of various parts. The novel sawing machine blade connection structure is reasonable in design, connection of the blade and the saw plate can be tighter, whole set replacement is not needed when abrasion is generated, and the novel sawing machine blade connection structure is simple and convenient to maintain, high in production efficiency and low in consumption of the spare parts.

A containing device for affixing a plurality of optical transceivers is provided, wherein each of the optical transceivers includes a first surface and a second surface opposite to the first surface. The containing device includes a housing and a passage formed in the housing. The passage has a first abutting surface and a second abutting surface. The optical transceivers are disposed in the passage. When the containing device moves along a first direction relative to the optical transceivers, the first abutting surface contacts the first surfaces of the optical transceivers. When the containing device moves along a second direction relative to the optical transceivers, the second abutting surface contacts the second surfaces of the optical transceivers, wherein the first direction is opposite to the second direction.

The invention relates to the technical field of power distribution grounding devices, and especially relates to an arc suppression coil device with a disconnection structure. The device comprises thedisconnection structure, a lightning arrester, a circuit breaker, a Z-shaped grounding transformer, a turn-adjusting arc suppression coil, a voltage-limiting damping resistance box, a microcomputer controller, a disconnection clamp, a wiring board, a protection box and the like. The disconnection clamp and the wiring board are connected and fixed through a threaded fastener, and an anti-looseningspring washer is arranged at a nut. Trapezoidal teeth are arranged on the connecting surface of the disconnection clamp and the wiring board. A connecting bridge of the disconnection clamp is of an arc structure, and the arc structure has certain elasticity and can be used for compensating for deformation caused by thermal expansion and cold contraction and reducing shear force on the threaded fastener. Waterproof foam is arranged around the trapezoidal teeth, and protection wires are arranged outside the disconnection clamp and the wiring board and used for reducing external water vapor and other corrosive substances entering the disconnection mechanism. According to the invention, the grounding current is small, the arc can be automatically extinguished when an instantaneous fault occurs, the working efficiency of maintenance and inspection is high, and the labor cost can be reduced.

The invention relates to a cover type electrical wiring duct, and the wiring duct comprises an L-shaped groove assembly, straight groove assemblies and roller assemblies; the L-shaped groove assemblyis of an L-shaped structure, the L-shaped groove assembly is of an internal hollow structure with openings in the left side and the right side, the straight groove assemblies are symmetrically installed on the left side and the right side in the L-shaped groove assembly, and the roller assemblies are arranged in the L-shaped groove assembly. According to the wiring duct, the problems that in the using process of the corner of an existing spliced cover type wiring duct, due to the fact that the corner of the wiring duct is sharp, after threading, a power line is difficult to pull when needing to be pulled again, and the power line is prone to being scratched by the sharp portion of the corner can be solved; the sealing performance of the spliced part is poor, water is likely to enter the spliced part, the service life of the power line is likely to be shortened after the power line is soaked in water for a long time, and therefore potential safety hazards exist; when a corner of a powerline is overhauled, overhauling can be conducted only by lifting up straight groove covers on the two sides, and the overhauling efficiency is low.

The invention is applicable to the technical field of pipeline conveying, and provides a multi-caliber pipeline conveying device. The multi-caliber pipeline conveying device comprises a supporting frame and guiding devices, wherein the guiding devices are obliquely arranged, each guiding device comprises a rotating device, a moving device and a guiding wheel, the rotating device and the moving device are connected through a connecting plate, and the guiding wheel is connected with the output end of a power member; the rotating device comprises a rotating wheel, a limiting plate, a limiting device and an adjusting rod, the limiting plate is sleeved with the rotating wheel, the adjusting rod comprises an eccentric part and a driven rod, and the end part of the eccentric part is movably connected with the driven rod; and the moving device comprises a rotating part, a telescopic part and rotating roller wheels, the rotating part is sleeved with a plurality of rotating roller wheels, the four rotating roller wheels are arranged in a right-angle trapezoid shape, and the rotating part is connected with the guiding wheel through a fixed plate. According to the multi-caliber pipeline conveying device, effective transportation of pipelines with different calibers can be effectively achieved, meanwhile, the transportation speed of the pipelines can be adjusted according to pipelines withdifferent calibers, and the transportation efficiency of the pipelines is improved.

The embodiment of the invention discloses an optical fiber-based power supply method and device of high-voltage on-line monitoring equipment. The power supply method and device is used for solving the problems of insufficient power supply reliability of the on-line monitoring equipment and some problems in aspects of power supply distance, power supply efficiency and power supply stability and reliability in the prior art are solved. The method disclosed by the embodiment of the invention comprises the steps of acquiring an alternating current on line by an energy taking coil of a high-voltage line; starting control by a laser, and converting first electric energy of the alternating current to light energy; transmitting the light energy to a photoelectric conversion battery through an optical fiber by the laser, and converting the light energy to second electric energy; and outputting the second electric energy converted from the light energy to the on-line monitoring equipment. The optical fiber-based power supply method of the high-voltage on-line monitoring equipment, disclosed by the embodiment of the invention has the advantages that 1, a few restrictions are generated on the power supply distance, and the length of the optical fiber can be determined according to actual distance requirement; and 2, the laser is directional energy flow with high energy density, and the energy attenuation is low and the transmission efficiency is high after through transmission of the optical fiber.

The invention relates to an LED display screen control method and system, and relates to the technical field of display screens, and the method comprises the steps: receiving and storing to-be-displayed information data; dividing a corresponding display area for the information data based on an LED panel; analyzing and storing the display effect realized by the information data in the corresponding display area; obtaining, analyzing and storing the display deviation effect of the damaged area of the LED panel; searching for and obtaining at least one display effect which is the same as or similar to the display deviation effect and information data corresponding to the display effect; and displaying the acquired information data in a damaged area or a whole display area of the LED panel. The LED display screen has the advantages that the frequency of disassembling and replacing the LED module is low, and the maintenance cost of the LED display screen is reduced.

The invention discloses an axial eccentric anti-loose fixing structure. The axial eccentric anti-loose fixing structure comprises a rotor, an inner cavity, and an eccentric cover, an axial member is mounted in the rotor through a spline structure, a shaft lever is welded to one end of the axial member, a thread hole is formed in the shaft lever, the inner cavity is formed in the axial member, a clamping groove is formed in the inner cavity, a bolt is fixedly mounted in the axial member through the thread hole, a screw head is welded to one end of the bolt, the eccentric cover is mounted at thebottom of the screw head, and the rotor and the shaft end surface are positioned and locked through the eccentric over and the bolt. According to the axial eccentric anti-loose fixing structure, thecentripetal central point can be offset through combination of eccentric design of the bolt and the axial member, the centripetal force borne by the bolt and the rotor is different, the bolt rotates and is screwed at the high speed along with the rotor, loosing of the bolt is prevented, the breakdown due to the failure of rotor positioning is reduced, the maintenance efficiency of the device is reduced, the service life of the device is prolonged, and the practicality of the device is improved.