82results about How to "Reduce use failure rate" patented technology

The invention discloses a novel material of a piston of a breaking hammer and a manufacturing process of the piston, belonging to the technical field of breaking hammers. The novel material is 18Cr2Ni4WA and comprises the following chemical components: 0.13-0.19% of carbon C, 0.17-0.37% of silicon Si, 0.30-0.60% of manganese Mn, not more than 0.025% of allowable residual content of sulfur S, not more than 0.025% of allowable residual content of phosphorus P, 1.35-1.65% of chromium Cr, 4.00-4.50% of nickel Ni, not more than 0.025% of allowable residual content of copper Cu, 0.80-1.20% of tungsten W and the balance of iron. The manufacturing process of the piston of the breaking hammer comprises steps of forging, normalizing and high-temperature tempering, machining, carburizing and quenching, subzero treatment, low-temperature tempering and finish machining. The piston of the breaking hammer, which is manufactured according to the method provided by the invention, is high in hardness and has better tensile property and the like than similar products in China; the problems that pistons of breaking hammers available in market are low in hardness and likely to be strained are solved; and the piston manufactured according to the method provided by the invention further has the advantages of low cost and good economical efficiency.

The invention discloses a cleaning machine with a supporting and thrusting mechanism, which comprises a rack and a plurality of cleaning tanks, wherein a lifting bracket used for supporting material baskets is arranged in each cleaning tank; at least one side edge of each lifting bracket is connected with a lifting cross beam through a bracket connecting rod; a lifting driving mechanism mounted on the rack can drive the lifting brackets to be lifted to and fro in the vertical direction through the lifting cross beam; horizontal material basket push rods used for horizontally pushing the material baskets to move are further arranged above the cleaning tanks and are driven by a horizontal driving mechanism; fixed brackets are fixedly arranged between adjacent cleaning tanks; upper bearing surfaces of the fixed brackets are positioned in the same bearing plane as bearing surfaces of the lifting brackets lifted to high positions; and the bearing plane is higher than tank openings of the cleaning tanks. The cleaning machine has the advantages of stability and reasonableness in structure and great carrying capacity; and particularly, a cleaning and conveying path of the cleaning machine is reasonable, the effective cleaning time is long and the work efficiency is high.

The invention discloses a comb tooth lifting type automatic carrier. A lifting rack is provided with comb teeth for bearing automobile wheels; an automobile body is connected with the lifting rack through a lifting device; the lifting device comprises two lifting jacks and a lifting driving motor; the lifting jacks are respectively mounted at two ends of the automobile body; each lifting jack comprises a seat, a lifting guiding shaft, a gear and a rack; each seat is connected with the automobile body; each lifting guiding shaft can slide along a guiding hole in the corresponding seat; the top of each lifting guiding shaft is connected with the lifting rack; each gear is connected with a shaft end of the lifting driving motor and is rotatably connected to the inside of the corresponding seat; each rack is connected with the corresponding lifting guiding shaft and is meshed with the corresponding gear; and safety devices for preventing the lifting rack from overturning due to unbalance loading are respectively arranged at four corners of the automobile body and four corners of the lifting rack. A guiding device of the lifting rack and the lifting device are integrated in one of the lifting jacks, and guiding precision of the guiding device of the lifting rack is not affected by the automobile body and the lifting rack which has a welding structure; and the number of the used lifting jacks is small, transmission is simple, requirements on mounting precision are reduced relatively, and the comb tooth lifting type automatic carrier is easy to mount and low in debugging difficulty; and using failure rate is reduced.

The invention relates to the field of vending machines and specifically discloses a vending machine. The vending machine comprises a cabinet body, a shipment mechanism and a pick-up mechanism. The cabinet is provided with a shipment port and a shelf; the shipment mechanism comprises a shipment port door plate and a shopping trolley in alignment with the shipment port; the pick-up mechanism comprises a transfer mechanism and a manipulator component slidably connected to the transfer mechanism. The vending machine in the invention can prevent goods from being damaged in the shipment process, avoid a goods blocking phenomenon from appearing and can be suitable for the requirement for selling goods in different categories; it can also be realized that a plurality of goods are purchased at onetime, thereby saving the time of a customer and improving the user experience. The invention further discloses a combined vending machine, which comprises a main engine and an auxiliary engine arranged in parallel to the main engine; the main engine and the auxiliary engine are the vending machine; a touch screen is arranged on a front door of the cabinet of the main engine; the touch screen is connected with a control circuit of the main engine; and the shipment port of the main engine and the shipment port of the auxiliary engine are both arranged in the middle of the front door of the cabinet.

This invention discloses a heating structure and its temperature controlling method, which mainly includes a heating line and a controller that are connected, wherein the heating line is arranged with the PTC component and short path which are obstructed with an insulated fusible layer; when the users arranges the heating temperature, then the current conducts the PTC component to add temperature, and it changes the sine wave signal of the input AC power phase shaping circuit and the DC power phase prolonging shaping circuit into DC square wave signal, and the microprocessor checks the phase moving change of the twice shaping circuit to control the on-off of the trigger circuit, which can make PTC component add or lower its temperature continuously to keep the heating line on a certain working temperature. This invention is applied in the heating device such as the heating stove, foment carpet and so on.

The invention discloses a locomotive auxiliary power supply circuit and a power supply method, the auxiliary power supply circuit comprises a current collector I, a current collector II and an auxiliary inverter I, the current collector I and the current collector II are connected with the input side of the auxiliary inverter I, and auxiliary loads of a locomotive comprise a first auxiliary load and a second auxiliary load; the second auxiliary load is connected with the output side of the auxiliary inverter I; the auxiliary power supply circuit further comprises a charger, a standby power supply, an auxiliary inverter II and a network control unit, the input end of the charger is connected with the auxiliary inverter I, the input end of the standby power supply and the input end of the auxiliary inverter II are electrically connected with the output end of the charger, and the output end of the auxiliary inverter II is electrically connected with the first auxiliary load. Uninterrupted power supply of important auxiliary loads such as an air conditioner can be achieved, the important auxiliary loads such as the air conditioner continuously work without power failure when the locomotive passes through a power-free area on a third rail, the use failure rate of the important auxiliary loads such as the air conditioner is reduced, the comfort degree of drivers and passengers is improved, and driving safety is guaranteed.

The invention provides a multi-gas source self-adaptive control method for a gas apparatus and a system thereof. The technical scheme is that the multi-gas source self-adaptive control method for thegas apparatus comprises the steps that the proportional coefficient values of the output thermal load required in time and the proportional coefficient values of the reference thermal load required atthe set temperature of a reference gas source in time are calculated through program operation by collecting the data of the inlet water temperature, the outlet water temperature, the water flow capacity, the fan current, the fan speed and the gas proportional valve current; the difference changing range of the proportional coefficient value of the output thermal load required in time compared with the proportional coefficient value of the reference thermal load is judged; the type of the gas source applied currently is automatically identified, the current value of a gas proportional valve and a matching fan current value are adjusted to achieve the optimum proportion between the opening degree of the gas proportional valve and the fan speed so that the gas apparatus can operate steadily, safely and reliably with less energy; the gas adaptability of the gas apparatus to gas is improved; comfortable and convenient domestic hot water is provided for users; the product utilizing fault rate is reduced; and the domestic and foreign flue gas emission standards are met.

The invention discloses an impact powder-grinding and insect-killing machine with a water-cooling function, and the machine comprises a seat and a motor, wherein a support frame is fixedly connected to the seat, a shell is fixedly connected to the support frame, a discharge port is arranged on the sidewall of the shell, a rotor component is arranged in the shell, and a stator component is fixedly connected to the shell; the rotor component comprises a rotor disc and a rotor pin, and the stator component comprises a shell cover plate; the rotor component is provided with a radiating device, the radiating device of the rotor component comprises a hollow spindle, the middle of the hollow spindle penetrates through the shell and the shell cover plate, and the both ends of the hollow spindle are installed on the seat; the part of the hollow spindle located in the shell is fixedly connected with a connection disc, and the rotor disc is fixedly connected to the connection disc; and a spindle water inlet tube and a spindle water outlet tube are connected at the both ends of the hollow spindle respectively, and the motor is in transmission connection with the hollow spindle. According to the invention, comprehensive measures such as water-cooling and the like are adopted, so that the radiating effect is greatly improved than before, the quality of products in a grain production line is obviously improved, the edible quality of the finished products is obviously improved, and the service lives of the spindle and a motor bearing are prolonged exponentially.

The invention discloses an anti-freezing control method. The anti-freezing control method comprises the following steps: S1, continuously detecting a real-time water flow value Qi of a gas water heater; S2, determining whether the real-time water flow value Qi is less than a first water flow threshold value Qs1, if so, entering step S3, and if not, entering a standby or normal operating mode; S3,detecting a real-time water flow temperature Ti of the gas water heater; and S4, determining whether the real-time water flow temperature Ti is less than a preset temperature Tw, if so, entering an anti-freezing operating mode, and if not, entering a standby operating mode. According to the anti-freezing control method disclosed by the invention, the operating mode of the gas water heater is determined preliminarily according to the relationship between the real-time water flow value and the first water flow threshold value, and whether to enter the anti-freezing operating mode timely is determined according to the relationship between the real-time water flow temperature and the preset temperature, so that related parts of a water way system are ensured not to cause freezing cracking in alow-temperature environment; the control method is simple; and the self-adaptive capability of the gas water heater is effectively improved.

The invention relates to a steering and suspension frame adjustment composite system and an engineering vehicle, wherein the steering and suspension frame adjustment composite system comprises a steering wheel, a full-hydraulic steering gear, a steering system and a suspension system; the full-hydraulic steering gear is connected with the steering wheel in a torque transmission manner and is provided with a right-turn working oil port and a left-turn working oil port; the steering system comprises a steering wheel and a steering oil cylinder for controlling the rotating angle of the steering wheel; the suspension system comprises at least two suspension oil cylinders and at least two energy accumulators, the energy accumulators are communicated with the right-turn working oil port and the left-turn working oil port in a controllable on-off mode, and a rod cavity and a rodless cavity of each suspension oil cylinder are communicated with the two different energy accumulators respectively. According to the suspension frame adjusting system and the steering system, power oil is provided through the same full-hydraulic steering gear, sharing of a hydraulic oil source is achieved, the suspension frame adjusting system and the steering system are independent and do not interfere with each other, and thus the complexity of the hydraulic system is reduced, the use cost of a vehicle is reduced, and the failure rate is reduced.

The invention discloses a heating device and particularly relates to an improved electric heating element. The technical scheme adopted by the improved heating element is that the improved heating element comprises a heater, a straight tube-type shell and a thermal insulation segment, wherein the straight tube-type shell is arranged outside the heater and used for sealing and protecting the heater; one end of the shell is a closed end and the other end of the shell is an open end, and the open end is provided with a flange; the heater comprises two electrode lead-out rods extending out of the shell, a thermocouple, a plurality of resistance wires connected in series, and a plurality of ceramic collars evenly distributed in the axial direction of the shell; and the resistance wires are high-resistance electrical heating alloy coiled spirally. The improved heating element has advantages of being reasonable in structure, capable of heating various industrial furnaces, wide in usage range, suitable for being used in high-voltage and large-power environments, low in a use failure rate, long in service life, and beneficial to reduction in production cost of enterprises.

The invention relates to a solar energy collecting and light condensing method and a solar energy collecting and light condensing device. Solar light rays are collected by adopting the solar energy collecting and light condensing device which is formed by connecting a plurality of vitreous box body units with the same structures in series in a parallel way; the surfaces of main components of the vitreous box body units are all coated with high-light-reflecting layers; and the solar light rays are gathered and straightened for many times in the device, and then, are directly transmitted to or enter a master light guide pipe or a light guide fiber bundle through a light guide pipe, and finally, are conveyed to a user. Each box body unit of the adopted collecting and light condensing device respectively consists of a light-transmission cover plate, a light straightening machine, a light guide plate, a secondary light straightening machine, the light guide pipe and a box body. The solar energy collecting and light condensing method provided by the invention is novel in conception and is easy to implement; the adopted collecting and light condensing device is simple in structure and reasonable in design, and is reliable to work; the light rays are absorbed by the arc-shaped light-transmission cover plates; a solar energy tracker and a hot-water system which are complicated in structure are omitted by utilizing the light guide pipes to transmit the light rays, so that the cost, the use difficulty and the failure rate can be reduced; the solar energy collecting and light condensing method and the solar energy collecting and light condensing device can be applied to a plurality of aspects on energy utilization; and the great convenience is brought to the life and the production of people.

The invention discloses a chain type automatic steel counting and separating equipment in a rod production line. A four-section type transmission chain capable of changing frequency and adjusting speed is adopted; the four sections of chains are all driven by independent motors; the previous two sections are acceleration type plane transmission chains; vertical finished rods are spaced by gaps in the transmission on the previous two sections of transmission chains; the later two sections are step type toothed transmission chains; belt teeth are uniformly distributed on the surfaces of the transmission chains at intervals; the later two sections of chains are the same in operation speed; a photoelectric counter is mounted between the third section of chain and the fourth section of chain; and when the counter reaches a set numerical value, the third section of chain is stopped from working, and the fourth section of toothed transmission chain transports all the vertical rods into a collecting basket. The equipment can reduce the labor intensity, is relatively simple in maintenance, and fits the photoelectric counter to realize automatic steel counting and separation of finished rods.

The invention discloses a fast-heating-type water dispenser. The technical problems that an existing fast-heating-type water dispenser is complex in structure and high in cost and fault rate are solved. The fast-heating-type water dispenser comprises a shell with an inner cavity. A partition plate is arranged in the inner cavity of the shell. The inner cavity of the shell is partitioned into a water storage box and a heating cavity through the partition plate. A heating coil is arranged in the heating cavity. An electromagnetic one-way valve is arranged on the partition plate. A water outlet connector is arranged on the shell. One end of the heating coil is communicated with the electromagnetic one-way valve. The other end of the heating coil is communicated with the water outlet connector. A control element is arranged on the shell and comprises a power switch and a delay switch. The delay switch is electrically connected with the electromagnetic one-way valve. The power switch controls the delay switch to the turned on or turned off and controls the heating coil to be powered on or powered off.

A terminal compression joint device is composed of a motor (1), a body (2), an upper mould (3), a pushing device (4), a lower mould (5), a wire winder (6) and a terminal chain (7), and is characterized in that the terminal chain (7) is installed on the wire winder (6) and is pushed to a mould core of the lower mould (5) through a supporting frame (8) and the pushing device (4), the upper mould and the lower mould are combined after a wire harness is placed, and pressing of the wire harness (11), cutting off and feeding are finished. The terminal compression joint device solves the problem that a full-automatic double-station compression joint machine causes winding easily in the process of feeding, effectively lowers the use fault rate of the compression joint machine, adopts a guiding wheel, effectively reduces heat generated by friction in the conveying process of cables, improves the utilization rate of the cables, and lowers production cost for enterprises.

The invention discloses a locomotive auxiliary system power supply circuit and power supply control method. An input side loop is controlled to work in different working modes according to working states of auxiliary inverters and power supply modes, and interlocking control of the working modes, the power supply modes, and the working states of the auxiliary inverters is performed. A first auxiliary inverter and a second auxiliary inverter are simultaneously started only in non-electrified zones, and an energy storage power source is not started in electrified zones, so that the electric quantity of the energy storage power source is saved. The sole working mode of the input side loop is determined according to the working states of the auxiliary inverters and the power supply modes before a locomotive enters the non-electrified zones so as to eliminate the need for frequent switching of contactors, reduce the influence on the service lives of the contactors, achieve automatic power supply switching between the electrified zones and the non-electrified zones, ensure continuous working of important auxiliary loads without power interruption, and avoid the problem of failure or lockout caused by frequent starting and stopping of the important auxiliary loads.

The invention relates to a device for testing a wind-solar complementary power generation system, and belongs to the technical field of wind-solar complementary power generation. The device comprises a control cabinet, a storage battery pack, a solar cell panel, a direct current load streetlamp, a double-MCU wind-solar complementary controller, a three-phase alternating current electromotor, a three-phase alternator and a rack platform. A displayer and an alternating current-direct current-alternating current frequency converter are arranged on the control cabinet, two MCUs respectively and cooperatively work in the double-MCU wind-solar complementary controller to conduct electric energy input and processing control and electric energy output control, and manufacturing cost of a product is greatly reduced. According to the device for testing the wind-solar complementary power generation system, full-coverage tests and real-time data acquisition and processing of the wind-solar complementary power generation system under various environmental conditions can be provided. Through a test method, operating parameters of the double-MCU wind-solar complementary controller and operating parameters of the power generation system can be tested and counted.

The invention discloses a novel solar portable power source box. The novel solar portable power source box comprises a box cover of a power source box, a second solar panel on the upper surface of thelower box of the power source box, a controller electrically connected to the output end of the second solar panel, and a storage battery electrically connected to the controller, an outer solar panel is fixed at the outer surface of the box cover, the output end of the second solar panel is electrically connected with the controller, and the output end of the storage battery is electrically connected with an inverter arranged in the box body at the lower portion of the second solar panel. The solar panel is arranged at the outer surface of the box cover of the portable power source box to allow the portable power source box to perform charge and energy storage for the storage battery in the box body at any time in an environment where it is inconvenient to open the box to ensure that thestorage battery has sufficient power in the emergency use. The time difference of the solar energy generation is reasonably utilized to save a lot of preparation time so as to provide great convenience for users.

The invention discloses a slag stopping bar feeding device which is applied to a slag stopping bar. A circular ring is welded on the thick end of the slag stopping bar. The slag stopping bar feeding device comprises a slag stopping rod, a guide wheel and a supporting frame, wherein one end of the slag stopping rod is provided with a hook, and the circular ring is arranged on the hook in a sleeving mode and used for connecting the slag stopping bar with the slag stopping rod; the guide wheel is in sliding connection with the slag stopping rod and used for moving the slag stopping rod; and the supporting frame is connected with the guide wheel, and the guide wheel can swing on the supporting frame to drive the slag stopping rod to swing. The device solves the technical problems of complicated slag stopping feeding operation, easy slag stopping failure and low success rate in the prior art. The device has the advantages that the structure is simple and efficient, the use is convenient, the maintenance cost is low, the failure rate is low, the phenomenon that the front end of a feeding arm holding mechanism easily sticks steel and the use failure rate is high when a traditional slag stopping and feeding vehicle is used is avoided, and the technical effects of steel tapping and slag stopping efficiency and slag stopping success rate of a converter are improved.

The invention discloses a wave energy power generation device, and particularly relates to a non-contact wave energy power generation device. The non-contact wave energy power generation device comprises a mandrel, a multi-step shaft, a first swing body, a second swing body, a first support, a first transmission belt mechanism, a second transmission belt mechanism, a third transmission belt mechanism, a first reversing mechanism, a second reversing mechanism, a third reversing mechanism, a first differential mechanism, a second differential mechanism, a first transmission gear mechanism, a second transmission gear mechanism, a power generator, a box body and a second support. According to the non-contact wave energy power generation device, the technical purpose of improving the power generation efficiency of the non-contact wave energy power generation device is achieved; and meanwhile, the non-contact wave energy power generation device has the advantages of simple structure, good stability, low use failure rate and the like.