32results about How to "Low failure rate" patented technology

The invention provides a trolley walking hollow super-long floating shaft and relates to trolley floating shafts of bridge type cranes. The floating shaft comprises a floating shaft body and shaft ends. The floating shaft body is in the shape of a slender tube. The two ends of the floating shaft body are provided with the shaft ends. The shaft ends are short column bodies. Each shaft end is provided with a boss in the middle. The external diameter of the shaft body of one side of each boss is identical to the internal diameter of the floating shaft body, and the shaft body of the side of each boss is fixed in the tube body. The shaft body at the other side of the boss is connected to a wheel shaft through a shaft coupling. The floating shaft is of a hollow structure, and the two ends are provided with short shaft ends. The hollow structure relieves the shaft deadweight, reduces the deadweight deformation, and suits the transmission design demand of a super-long shaft on a wide span trolley without adding a bearing seat in the middle of the floating shaft for support. The processing technology is simple. It is convenient to install and maintain the floating shaft. The super-long shaft is safe and reliable, and has a low fault rate.

The invention relates to the technical field of warehousing equipment, and aims to provide a warehousing robot which can perform warehousing, storage and ex-warehousing operation on a plurality of goods shelves of a warehouse at the same time, and is high in universality, low in cost, low in failure rate and convenient to overhaul. The warehousing robot comprises an executing mechanism used for loading and unloading goods and a position control mechanism used for adjusting the spatial position of the executing mechanism, and is characterized in that the executing mechanism is connected to the position control mechanism and located below the position control mechanism, wherein the position control mechanism is arranged above a goods shelf (1); the position control mechanism comprises an x-axis motion control mechanism, a y-axis motion control mechanism and a z-axis motion control mechanism. The warehousing robot provided by the invention solves the problems that an existing warehousing robot can only carry out goods warehousing and ex-warehousing operation on goods shelves on the two sides, is low in utilization rate, is high in the equipment investment and maintenance cost, and is not suitable for a large-scale warehouse.

The invention discloses a multi-finger sandwich colored jacquard knitting machine which comprises a base, a machine frame, a machine head, a color selection device, a yarn delivery mechanism, a computer control device, a servomotor and a transmission mechanism, wherein the machine frame and the computer control device are fixed on the base; the yarn delivery mechanism is fixed on the machine frame; the machine head and the color selection device are respectively used for knitting and color selection; the servomotor and the transmission mechanism are fixed at the right side of the machine frame; the servomotor is positioned below the transmission mechanism; and the servomotor is controlled by the computer control device and used for directly driving the machine head and the color selectiondevice through the transmission mechanism. The servomotor is controlled by the computer control device, and directly drives the machine head and the color selection device through the transmission mechanism, thus accurate positioning of the machine head and the color selection device can be realized; and meanwhile, the stable computer control system ensures the low failure rate of the equipment and the great improvement of the knitting functions. The jacquard knitting machine can be used for knitting 8 colors of yarn at the same time.

The invention relates to a continuous data protection storage system and a storage method using the same, the system comprises a disk array composed of a plurality of disks, the disk array forms a space multi-level mapping energy-saving storage system, and the disk array is MS-. The invention discloses an energy-saving data layout of an RAID disk array. The RAID disk array is divided into non-uniform disk groups. According to the method, a multi-level grouping strategy with higher adaptability is adopted according to different requirements of a storage system on performance, the performance ofthe storage system meets the real-time dynamic load requirement by adjusting the number of parallel disks, and the efficient and energy-saving data storage system is achieved. And an address space dynamic mapping algorithm and a read-write operation optimization strategy are adopted to construct the energy-saving storage system, so that the energy consumption of the whole disk array is reduced, the cooling cost of the storage system is reduced and the failure rate of the disk is reduced on the premise of ensuring the system performance requirement and the data reliability.

The invention relates to a broken warp display control device of a warp stopping frame and belongs to the technical field of shuttleless loom accessories. The broken warp display control device comprises a broken warp display circuit and a control circuit, an input end of the broken warp display circuit is connected with a broken warp switch mechanism of a loom and used for receiving a broken warp signal, an output end of the broken warp display circuit is connected with an input end of the control circuit, and an output end of the control circuit is connected with an electrical control device of the loom. The broken warp display control device has the advantages that in the broken warp display circuit, a second resistor is arranged so that a first triode VT is located in an amplification area, influences on the first triode by general actions can be avoided, the first triode VT can be connected only when a warp breaking phenomenon really occurs, and the stability of the circuit is improved; besides, a first light emitting diode (LED) 1 in the circuit displays broken warps, and the negative pole of the first LED 1 directly and outwards outputs signals; and compared with broken warp display control devices in prior art, the broken warp display control device has the advantages that a signal output circuit is not required to be additionally arranged, fault rates are reduced, and production costs are reduced.

The invention discloses a three-level protection method aiming at different fault characteristics of an LED (Light Emitting Diode) power supply. The three-level protection method comprises the following steps: detecting an operation state of the power supply, shutting down the system through hardware when the state of the power supply changes suddenly, performing stress adjusting secondary protection when a fault changing gradually occurs, namely enabling the power of the power supply to reduce through the reducing speed of a pulse width in a unit time, starting a third-level protection soft-off if the power supply fault tendency is not eliminated after adjusting the stress, then reducing a PWM (Pulse-Width Modulation)pulse width till the width of the PWM pulse is reduced to be 0, and turning off the power supply and shutting down when the output power of the power supply is 0. Through the three-level protection method, three-level protection is mainly applied to the power supply; the emergency faults and the faults gradually changing are processed by using different methods; the faults are avoided by adjusting the stress; the three-level protection method is capable of improving the reliability of the power supply, reducing the fault rate and eliminating or reducing bottleneck effect caused by the power supply in an electronic system.

The invention discloses an automatic double-sided printing device which structurally comprises an overhaul bin, an inner inspection bin, a paper outlet, an intelligent control panel, a printer, and anautomatic repair device for paper jam inside. The overhaul bin is adjacent to the inner inspection bin; the paper outlet is located above the inner inspection bin; the inner inspection bin and the paper outlet form an integrated structure; the intelligent control panel is arranged on the side surface, on which the paper outlet is formed, of the printer; the paper outlet is adjacent to the intelligent control panel; and the automatic repair device for paper jam inside is arranged in the printer and is formed by a bead dropping structure, a turnover structure, a wire wheel structure, a pushingmechanism, a rolling structure and a multidirectional reciprocating transmission mechanism. According to the automatic double-sided printing device provided by the invention, when a paper jam phenomenon occurs during a printing process, the transmission mechanism in the equipment can maintain automatically, so that the failure rate of the equipment is reduced, the printing production efficiency isimproved, and meanwhile, the labor cost of maintenance personnel is reduced.

The invention discloses a mop forming machine, which comprises a base, an upper support, a clamping and rotating unit, a wire outlet unit, a power output unit and a control center, wherein an operation table is arranged on the upper end face of the base, and the upper support is fixedly installed on the operation table; the clamping and rotating unit comprises a clamping and rotating device and a limiting and supporting device, the clamping and rotating device is installed at the upper end of the upper support, a clamping hole corresponding to the limiting and supporting device is formed in the lower end of the clamping and rotating device, the clamping and rotating device can clamp and rotate the mop rod, the limiting and supporting device is installed on the operation table, and the limiting and supporting device is used for limiting and supporting the lower part or the lower end of the mop rod; and the wire outlet unit comprises a pay-off rack and a wire leading mechanism, the wire outlet unit can lead out a winding wire and guide the winding wire to the mop head, the power output unit is connected with the control center, and the control center is connected with the clamping and rotating unit and the wire outlet unit.

The invention discloses a novel metal oxide lightning arrester. The lightning arrester comprises a core and an outer insulating sheath arranged on the outer side of the core, wherein an upper electrode, a resistor, a discharge electrode and a lower electrode are sequentially arranged in the inner space of the core from one end to the other end; a wiring stud is connected onto the upper electrode,a high-pressure insulated wire penetrating through the core and the outer insulating sheath is connected onto the wiring stud, a connecting bolt penetrating through the core and the outer insulating sheath is connected onto the discharge electrode, a ball stud penetrating through the core and the outer insulating sheath is connected onto the lower electrode, and a fastening bolt for mounting is fixedly connected at the outer side end of the core at one end, where the lower electrode is arranged, of the core; a mounting plate is fixedly connected onto the fastening bolt for mounting, and a connecting bolt sheath is arranged on the outer side of the connecting bolt. The lightning arrester can effectively prevent an insulator from being damaged by lightning overvoltage impact and effectivelyprotect an insulted conductor from breakage by lightning stroke and has the greatest characteristics of high reliability, low failure rate and low maintenance workload.

The invention relates to a potato seed active conveying device for a potato seeder. The potato seed active conveying device comprises an eccentric driving mechanism and a flow guide plate, and the flow guide plate is arranged in a seed box, is parallel to the rear wall of the seed box, can slide up and down along the rear wall of the seed box, and is provided with a plurality of layers of bent bosses; a flow guide driving shaft is connected with the eccentric driving mechanism and drives the eccentric driving mechanism to work; and the power output end of the eccentric driving mechanism is fixed with the flow guide plate, and the eccentric driving mechanism can drive the flow guide plate to move up and down in the seed box along the rear wall of the seed box. Potato seeds are pushed to a seed taking opening in the bottom of the seed box when the bending bosses move downwards, finally the potato seeds in the seed box flow towards the bottom and fill the potato seeds taken away by a seedcup, the condition that the potato seeds cannot be taken by the seed cup due to the fact that potatoes at the bottom of the seed box are overhead is completely avoided, and the miss-seeding rate is effectively decreased.

The invention relates to an overheating electrical cabinet cooling system with a notification function. The overheating electrical cabinet cooling system with the notification function comprises a cabinet body, wherein a first temperature sensor and a second temperature sensor are arranged in the cabinet body; signal output of the first temperature sensor and the second temperature sensor are connected with input of a processing unit; an exhaust fan is arranged on the top part of the cabinet body; the processing unit is connected with the control end of the exhaust fan, and is provided with a wireless receiving and transmitting antenna; the wireless receiving and transmitting antenna is in wireless connection with a mobile communication terminal; the first temperature sensor and the second temperature sensor transmits temperature information of the cabinet body to the processing unit; the processing unit confirms whether the exhaust fan needs to be started to ventilate or not through analysis processing; the processing unit also can transmits relevant information to the mobile communication terminal through the wireless receiving and transmitting antenna, so that working personnel can know the temperature of the cabinet body. According to the overheating electrical cabinet cooling system with the notification function, the temperature of the cabinet body is controlled, the service life of electrical elements is prolonged, the failure rate is reduced, and the working personnel can basically know the temperature of the cabinet body.