54results about How to "Warranty Repair" patented technology

The invention provides a maintenance order dispatching management method and device based on fault big data, equipment and a medium. The method comprises the steps of monitoring equipment data in realtime, and acquiring equipment maintenance records and equipment operation data; obtaining network equipment operation fault data, judging the equipment operation data according to the network equipment operation fault data, estimating the operation data with faults, predicting the next fault occurrence time of the equipment according to the historical fault occurrence time of the equipment, obtaining the prediction time, and generating a maintenance list according to the prediction time and the operation data with faults; arranging maintenance personnel according to the maintenance list; andnotifying the maintenance personnel to maintain when monitoring that equipment is in failure. According to the invention, the fault big data is acquired from the network to predict the fault of the equipment, the time and mode that the equipment may fail are predicted in advance, and the maintenance personnel are arranged in advance for standby, so that the equipment can be maintained at the firsttime.

The invention discloses a fully-automatic mechanical insulin injection pump, which comprises a reformed mechanism of a mechanical watch, a continuously variable transmission of a belt friction wheel, an adjusting cam device of technical scheme, a gear rack precise injection and transmission mechanism, a dosage injection mechanism before meal, a medicine feeding system and the like. On the one hand, the output shaft of the mechanism drives the adjusting cam device of the technical scheme to further drive the continuously variable transmission of the belt friction wheel and the gear rack precise injection and transmission mechanism and finally drives the medicine feeding system to perform micro-injection of basic amount. On the other hand, a driven push rod on the cam device pushes a transmission belt on the continuously variable transmission of the belt friction wheel to change the axial position of the friction wheel so as to adjust the transmission ratio of the continuously variable transmission of the belt friction wheel. The fully-automatic mechanical insulin injection pump driven by fully-automatic mechanical way is environmentally friendly, safe and reliable, and can reduce the use cost. Therefore, the invention can vigorously accelerate the treatment effect of diabetes patients, alleviate the economic and spiritual pressure, improve the life quality and obtain good economic and social benefits.

The invention discloses a maintenance method of a counter weight of an anchor chain of a single point mooring system. The maintenance method is characterized in that a counter weight chain is arranged at a position of a fallen counter weight block of the anchor chain; connection points of the counter weight chain and the anchor chain are uniformly distributed on the anchor chain of a falling section of the counter weight block; the connection points are divided into end connection points and middle connection points according to different connection manners; the counter weight chain at each end connection joint is connected with the anchor chain through a transition ring and a connection shackle; the counter weight chain at each middle connection joint is connected with an ordinary chain ring through the transition chain ring, and then is connected with the anchor chain through the connection shackle; and with the adoption of the connection, the connection points are tightly connected with the anchor chain to form a whole body. With the adoption of the maintenance method provided by the invention, the problem that the counter weight block of the anchor chain is easy to fall can be solved; the possibility of falling the shackle, caused by corrosion at the connection points, can be reduced; and meanwhile, the simple and easy installation is realized; the operation time is reduced; and the construction efficiency is improved.

The invention discloses a steel product macroscopic examination device. A steel product acid dipping test erosion integration device comprises a compressed air source, a vapor source, a tap water source, an acid liquor preheating circulating system, an acid dipping test circulating system, an acid fog neutralizing tower, a rinse tank and a waste liquid tank , wherein the acid liquor preheating circulating system comprises an acid liquor preheating tank and a graphite heat exchanger which are successively connected, and the graphite heat exchanger returns to the acid liquor preheating tank through an acid buffer pool and an acid returning middle tank; the acid dipping test circulating system shares each device of an acid liquor preheating system and a pickling tank is arranged between the graphite heat exchanger and the acid liquor buffer pool, and the compressed air source can control pneumatic valves at the acid liquor inlet and acid liquor outlet of the pickling tank through a pneumatic control box; the acid fog neutralizing tower is controlled by an electric control cabinet and is connected with the pickling tank, the tap water source is connected with the cold water inlet of the rinse tank and is simultaneously connected in parallel with a water heater and is connected with the hot water inlet of the rinse tank; and the outlets of the rinse tank and the pickling tank are respectively connected with a waste liquid storage tank. The steel product macroscopic examination device provided by the invention has the advantages that the heating speed is rapid and uniform, and the acid concentration is unaffected.

The invention provides a method and system for predicting a central zone temperature of a cross temperature measurement device of a blast furnace throat. The method comprises the steps that a course variable of a blast furnace throat temperature related to the central zone temperature of the cross temperature measurement device of the blast furnace throat is collected; the collected course variable is pre-processed, and noise peak jumping data and high-frequency noise data are removed; and a central zone temperature prediction model is used to predict the central zone temperature of the cross temperature measurement device of the blast furnace throat. The system comprises a collection module, a pre-processing module and a prediction module. According to the invention, input and output historical data selected by the prediction model of the central zone temperature is used to predict future central zone temperature output of the cross temperature measurement device; relations between the temperature output and control input can be expressed accurately; when a central temperature sensor of the cross temperature measurement device needs to be repaired or is damaged, a basis can be provided for a blast furnace operator to make accurate judgments and adjust systems of upper and lower parts of a blast furnace in time; and further, steady, efficiency and safe running of the blast furnace can be implemented.

The invention relates to a cable bridge convenient for mounting and dismounting a cable, comprising a first supporting plate and second supporting plates, wherein the second supporting plates are respectively fixedly connected with the two sides of the first supporting plate, first heat dissipation holes are formed in the upper surface of the first supporting plate in an array, second heat dissipation holes are formed, and a dustproof plate is arranged above the second heat dissipation holes, so that external dust can be avoided from entering into the cable bridge while heat dissipation is carried out, pollution can not be produced to the surface of the cable, the cable can not be corroded either, and service life of the cable is prolonged; a separating plate is arranged, so that the cableis clearer when the cable is arranged; meanwhile, when a fault is checked, a worker also can conveniently find and maintain a faulted cable.

The invention provides a connecting device used for connecting a low-temperature storage tank and a base. The connecting device comprises a first fixing piece, a second fixing piece and a connecting piece, wherein the first fixing piece is used for being fixed to the low-temperature storage tank; the second fixing piece is used for being fixed to the base; and a first end of the connecting piece is used for being fixed to the first fixing piece, and a second end of the connecting piece is used for being fixed to the second fixing piece, so that the low-temperature storage tank is connected with the base. The connecting device can connect the low-temperature storage tank with the base, has enough strength for supporting the low-temperature storage tank so as to realize the reliable connection between the low-temperature storage tank and the base, and the transportation as a whole, the installation or maintenance between the low-temperature storage tank and the base, so that the running cost is lowered.

The invention discloses a switch for communication engineering. The switch comprises a switch body, wherein a plurality of clamping slots are set on a top edge of a side wall of the switch body closeto communication cable sockets; a horizontal groove is set on the top of the switch body; the groove is communicated with the plurality of clamping slots; limiting rods are fixed and clamped in the groove; a plurality of limiting blocks are fixedly connected with the side walls of the limiting slots; each limiting block is clamped in the corresponding clamping slot; flexible plastic tapes are fixedly connected with two ends of the limiting rods; a horizontal upright post is fixedly connected with symmetrical side walls of the switch body away from the communication cable sockets; and a clamping small ball is fixedly connected with one end of the upright posts. According to the switch, communication cables can be clamped, a plurality of communication cables can be clamped efficiently and rapidly, the mounting and maintenance of the communication cables are ensured, the condition that the cables and the switch body are in poor contact within a pulling process is reduced, and normal use of the switch body is ensured.

The invention relates to a converter valve control system inside a direct current converter station. An A route power source is connected with a first power source switching module and a second power source switching module, a B route power source is connected with a third power source switching module and a fourth power source switching module, the first power source switching module and the third power source switching module are respectively connected to an input end of a first coupling diode module through a first controllable switch and a second controllable switch, an output end of the first coupling diode module is connected to two power source board cards of a first valve control board card, and the second power source switching module and the forth power source switching module are respectively connected to two power source board cards of a second valve control board card. Each power source switching module is monitored by a monitoring system. When any rote of power source or any power source switching module has a fault, the converter valve control system can still transmit electricity to the outside safely and stably and the monitor system can emit warming to prompt the circuit or the power source switching module which has the fault so as to guarantee quickness and effectiveness of repair.

The invention relates to the field of circuit board equipment, particularly to a convenient-to-store workbench for circuit board maintenance. The technical problem to be solved by the invention is toprovide a convenient-to-store workbench for circuit board maintenance, wherein the convenient-to-store workbench can provide maintenance and storage integration and can prevent moisture erosion in humid weather. The convenient-to-store workbench comprises an arc-shaped work box, a welding gun hanging plate, a part placing groove, a damp-proof mechanism, a dustproof cover, a hinge frame, a clampingmechanism, a supporting column, a locking mechanism and an arc-shaped placing plate, wherein the part placing groove is formed in the outer top surface of the arc-shaped working box, the damp-proof mechanism is embedded in the arc-shaped working box and is positioned at the arc-shaped part, and the welding gun hanging plate is fixedly connected to the outer side wall of the arc-shaped work box and located beside the part placing groove. According to the invention, the convenient-to-store workbench provides maintenance and storage integration and can prevent moisture erosion in humid weather.

The invention discloses an elevator landing door lock protective device and an elevator landing door. The elevator landing door lock protective device comprises a mainframe, a first sensor, a second sensor, and an electric magnetic mechanism, wherein the first sensor and the second sensor are separately mounted at upper and lower ends of the elevator landing door for detecting the position of an elevator car, and transmitting a detected signal to the mainframe; the electric magnetic mechanism is arranged on a landing door lock, and is used for receiving a control signal transmitted by the mainframe and realizing opening or closing of the landing door lock according to the control signal; while the elevator is in a normal operation state, the device can achieve the protective effect on thelanding door lock, so that the landing door lock can be ensured to be opened while the elevator car is on a set position; and the landing door lock cannot be opened while the elevator is on an unset position. Safety of rescue, maintenance or staff in the car is ensured.