32results about How to "Reduce maintenance and replacement costs" patented technology

The invention discloses a multifunctional lift type suspension rail transportation system which is composed of overhead struts, truss tubular girders, a rail, a steering frame, a lifting and stabilizing system, a vehicle, turnouts, station facilities and automatic control and other mating systems, wherein the design of the multifunctional truss tubular girders can selectively realize functions of water pipes, pedestrian passageways, greenery landscapes, solar power generation and common pipelines on the basis of lightening dead-weight and saving materials to the maximum extent. The vehicle runs under the steering frame in a suspending mode, and the steering frame is composed of a phi-shaped plate rail, a U-shaped steering bracket with an upward opening and a permanent magnet brake device. As a magnetic suction caterpillar instead of a traveling wheel pair is used for driving a brake device, climbing ability can be improved greatly. A monolithic movement turnout is used for steering. When an overhead station is not selected, a lifting system and a self-compression foldable frame type anti-shaking and anti-falling device are selected, so that big marshalling operation and seamless linkage of multiple modes of transportation can be realized. The multifunctional lift type suspension rail transportation system is applicable for the field of urban or inter-city rail transportation, and has multiple technical specifications from low traffic volume to high traffic volume.

The invention discloses a prediction method of abrasiveness of a tunnel boring machine TBM cuter. The prediction method comprises the following steps: producing a test sample, measuring the sample, simulating a scene environment, simulating a cutter rock breaking abrasion process, and predicting the abrasiveness of a cutter according to experimental results. The abrasiveness of the cutter is predicated by using the method and combining with the actual situation on site, so that the on-site cutter use amount can be effectively predicted so as to predict the use cost of the cutter, and the cutter suitable for the ground construction of the section can be selected according to the on-site geologic situation.

The invention discloses a road air accumulation energy storage and power generation device. The device comprises an energy recycling module and an energy transformation module, the energy recycling module comprises a speed bump air pump device and a first air storage tank mounted in the pavement structure, the speed bump air pump device and the first air storage tank are connected through a pipeline, the energy transformation module comprises a second air storage tank, an air motor, a coupler, a power generator, an accumulator and a charging circuit, the output end of the air storage tank is connected with the air inlet of the air motor through a pipeline, the rotary shaft of the air motor is connected with the power generator through the coupler, and the power generator is connected withthe accumulator through the charging circuit. The road air accumulation energy storage utilizes a plurality of sets of mechanical air pumps to collect compressed air, the energy recycling process andthe energy transformation process are separated, the driving potential energy and kinetic energy can be efficiently recycled, the independent energy transformation module can ensure continuous stability in the power generation process, the double air tanks are arranged to alternately supplement and supply air, the problem of insufficient pressure when a single tank supplies air can be solved, continuous stability of the power generation process can be guaranteed, and the energy loss in the transmission process is reduced.

The invention discloses a modular tablet computer. The modular tablet computer comprises a basic assembly and function modules, wherein the basic assembly comprises a touch screen, a display screen and a circuit board; a back side of the basic assembly is provided with module mounting positions for mounting the function modules; the function modules include at least one power module embedded with a battery, and at least one motherboard module embedded with a processing chip and a memory chip; the function modules are detachably arranged on the back side of the basic assembly in a way of clamping, threaded connection or buckling; and the function modules are electrically connected with the circuit board. The modular tablet computer has the beneficial effects that a consumer can purchase appropriate function modules according to real demands of the user to perform DIY (Do It Yourself), so that the practicability of the tablet computer is enhanced. When specific function modules are aged or fail, the modules can be replaced without replacement of the entire computer, so that the maintenance and upgrade cost is reduced.

Disclosed is a foldable bumper of a motorcycle. A fixed bumper frame, a left protection bumper frame and a right protection bumper frame of the bumper are in independent structure formed independently, the left protection bumper frame and the right protection bumper frame are rotationally mounted on the fixed bumper frame through hinge shafts, positioning blocks used for positioning rotationally are arranged on the left protection bumper frame and the right protection bumper frame respectively, each positioning block is provided with an unfolding positioning hole and a folding positioning hole, two locking devices used for locking the rotation positions of the left protection bumper frame and the right protection bumper frame are arranged on an upper transverse pipe of the fixed bumper frame, fixed seats of the locking devices are fixedly welded on the fixed bumper frame, positioning latches with bent ends are mounted vertically rotationally on the fixed seats through pins and inserted into the positioning holes on the positioning blocks and stay at normal locking state under the pressure of a reset spring. The left protection bumper frame and the right protection bumper frame of the bumper can be unfolded or folded, have protection action during running of the motorcycle or can reduce occupation space during parking, partial parts of the bumper can be replaced respectively, maintenance and replacement cost can be reduced, and the locking devices are not easy to be damaged.

The invention discloses an environmental-protection comprehensive treatment system for high-pollution-factor low-temperature flue gas. The environmental-protection comprehensive treatment system comprises a full-automatic desulfurizer delivery device, a desulfurization tower and a medium-and-low-temperature SCR (selective catalytic reduction) reactor. The full-automatic desulfurizer delivery device is connected with a gas inlet of the desulfurization tower through a flue gas pipeline. A water pump is connected with one end of a water tank. The other end of the water tank is connected with the desulfurization tower through a double-fluid spray gun. The double-fluid spray gun is connected with an air compressor. A gas outlet of the desulfurization tower is connected with a bag-type dedusting unit through a flue gas pipeline. A dilution fan is connected with an ammonia-air mixer through a pipeline. An ammonia inlet is arranged on the pipeline between the dilution fan and the ammonia-air mixer. The ammonia-air mixer and the bag-type dedusting unit are connected with the medium-and-low-temperature SCR reactor after passing an ammonia spraying grille. An outlet of the medium-and-low-temperature SCR reactor passes a draught fan to be connected with a chimney. The environmental-protection comprehensive treatment system has the advantages that flue gas heat and temperature gradient are utilized reasonably, high-temperature dedusting processes are reduced, stable efficient operation of a denitration system and service life of catalysts can be guaranteed, and flue gas treatment effect can be improved.

The invention discloses a straw chopping device for a spike picking platform of a corn harvesting machine and the corn harvesting machine, and belongs to the technical field of agricultural machines.The straw chopping device comprises a fixed cutter unit and a movable cutter unit, the fixed cutter unit comprises a fixed cutter base, and the fixed cutter base is provided with several fixed cutterblades which are arranged in parallel; the movable cutter unit comprises a movable cutter shaft and several movable cutter sets, the movable cutter sets correspond to the fixed cutter blades one to one, each movable cutter set comprises at least movable cutter bases which are parallelly spaced in the axial direction of the movable cutter shaft and several movable cutter blades which are uniformlydistributed in the circumferential direction of the movable cutter shaft, and the movable cutter bases are welded to or integrally arranged on the movable cutter shaft; the movable cutter bases of every two adjacent movable cutter sets are distributed by a certain angle in the circumferential direction of the movable cutter shaft. The corn harvesting machine comprises the straw chopping device. According to the straw chopping device and the corn harvesting machine, the straw which needs to be chopped is subjected to full-coverage chopping, and the effect of chopping the straw is improved.

The invention discloses a laser cutting machine cross beam of a roller transmission system. The laser cutting machine cross beam comprises a motor, a slide carriage, an upper roller set, an integratedguide rail rack, an aluminum profile cross beam, a driving gear, a guide rail, a lower roller set, a speed reducer, a sliding table, a laser head, a bearing flat roller and a mounting hole. Accordingto the invention, a cast aluminum profile is used as a main body, so that the weight is lighter, the rigidity is good, and the process is simple; the roller sets and the guide rail rack are integrally matched and are connected with a laser head to complete the movement, with the arrangement of the integrated rack guide rail, the complex alignment work between the guide rail and the rack during mounting is saved, and the precision requirement of the mounting reference is reduced; a roller guide rail system is composed of the roller bearings and is lower in noise, when the roller guide rail isassembled, the concentric rollers and the adjusting rollers are used in cooperation, the pre-tightening between the rollers and the guide rails can be adjusted at any time by adjusting the eccentric distances of the rollers, and the worn guide rails or rollers can be independently replaced without replacing all the guide rails or rollers.

The invention relates to a cross-well sparker source emission probe, which mainly comprises an alternating current power supply, a boosting device, an energy storage device, a discharging device and an emission probe. The cross-well sparker source emission probe is characterized in that the emission probe is divided into a head part, a middle part and a tail part, wherein the head part comprises energy emission windows; the middle part comprises an emission electrode and a triggering optical fiber; the tail part comprises a protective shell, an emission cable and an optical fiber. The cross-well sparker source emission probe is unique in structure; the optical fibers are introduced, and conventional acoustic triggering is replaced by optical triggering, so that zero triggering time delay is ensured; the emission direction and the emission frequency are changed by changing the thicknesses of insulating layers of positive and negative electrodes and the positions and sizes of the energy emission windows, tungsten copper is adopted for the emission electrode, and brass and stainless steel are adopted for the shell, so that the cross-well sparker source emission probe is high in electrical conductivity, resistant to high temperature, abrasion and corrosion and long in repeated emission service life.

The invention discloses a chlorine ion corrosion-resistant steel rail and a preparation method. The steel rail comprises the following components of, in weight percentage, 0.66%-0.76% of C, 0.53%-0.73% of Si, 0.9%-1.7% of Mn, less than or equal to 0.012% of P, less than or equal to 0.005% of S, 0.020%-0.030% of Nb, less than or equal to 0.003% of Als, 1.2%-2.2% of Cr, 2%-4% Cu, 0.40%-0.65% of Co,less than or equal to 0.00006% of H, less than or equal to 0.0006% of O, and the balance Fe and impurity elements. By controlling the shape of inclusions and generating a layer of dense barrier layeron the surface layer of the steel rail when the steel rail is rolled, the steel rail is prevented from being corroded by chlorine ions; and when the steel rail is in service in an environment with thehigh chloride ion content (2.2%-3.5%), the relative corrosion resistance of the steel rail is improved to 4 times or more of that of a U75V steel rail and a U71Mn steel rail used by the railway in China.

The invention provides an isolating switch. The isolating switch comprises a first contact arm which is suitable for being electrically connected with a first contact and which is provided with a first contact part, a second contact arm which is suitable for being electrically connected with a second contact and which is provided with a second contact part, a grounding structure and a drive mechanism; the first contact and the second contact are a pair of movable and static contacts which are oppositely disposed; and the drive mechanism is used to drive the first contact arm so that the first contact part and an incoming line bus are connected or disconnected, and, after the first contact part and the incoming line bus are disconnected, the first contact arm is continuously driven until the first contact arm is connected with the grounding structure, and then the first contact arm is grounded; and the drive mechanism is used to drive the second contact arm so that the second contact part and an outgoing line bus are connected or disconnected, and, after the second contact part and the outgoing line bus are disconnected, the second contact arm is continuously driven until the second contact arm is connected with the grounding structure, and then the second contact arm is grounded. After the isolating switch is opened, the first contact arm and the second contact arm are not electrified, and people are very safe when repair and maintenance are performed.

The invention discloses a dust removal system. The dust removal system comprises a cyclone dust remover and a bag type dust remover, wherein the bag type dust remover comprises a plurality of dust removing barrel bodies and the dust removing barrel bodies are distributed around the periphery of the cyclone dust remover. The system disclosed by the invention has the advantages of compact structure,convenience for conveying and transporting ash, small occupied area, capability of effectively preventing dust particles from being deposited to block pipelines, capability of effectively balancing pressure oscillation of a blast-furnace gas pipe network and capability of effectively reducing pipeline brushing, long service life, small operation noises, flexibility in hoisting and overhauling andsafety and reliability.

The invention relates to a layer combustion compound ventilation chain discontinuous running type coal boiler comprising an arc water jacket, an elliptic water jacket, both sides, a convection tube bundle of a back header tank and the like, wherein the water jackets are communicated with the convection tube bundle of the header tank by an communicating tube to form a two-return water path, the elliptic water jacket is stacked with an upper communicating wall tube and a lower communicating wall tube at both sides of the arc water jacket and a fireproof material to form a three-return flue of a fume wall, and an ejector tube and the communicating tube are respectively communicated with the water jackets and the header tank to form a safe water circulation system of the boiler. The invention has scientific and reasonable structure, advanced technique, safe and reliable water circulation, sufficient combustion, high heat efficiency, adequate output, electricity saving, noise lowering, occupation area reduction and very obvious energy saving, consumption reduction and discharge reduction and does not use a suction ventilator and a dust remover, and the environment-friendly effect of a dry desulfurizing method reaches the region environment-friendly standard of one class.

The invention relates to a simple plugging device for large oil pipelines, in particular to a simple pipeline plugging device comprising a support member and a plugging tape. The simple plugging device is characterized in that one end of the plugging tape is provided with fastening keys, the other end of the plugging tape is connected with a screw, the plugging tape penetrates a through on one side of the support member and another through hole in the other end, and the screw is connected with a bolt in a threaded manner. The simple plugging device has the advantages of novel structure, simplicity in manufacture, convenience in use, safety and practicability, reusability, low maintenance and replacement cost and the like; therefore, the novel simple plugging device for large oil pipelines is both economical and practicable.

The invention discloses a kalanchoe daigremontiana planting method and a plant restoration system, and mainly relates to the field of plant cultivation and heavy metal restoration. According to the method, the effect of efficiently restoring heavy metal lead and zinc polluted soil in a short period is achieved through soil water permeability treatment, as well as earlier-stage culture, individual selection and planting culture of kalanchoe daigremontiana. According to the plant restoration system, seedlings on the planted and cultured kalanchoe daigremontiana maternal plants are stimulated, so that circulating type plant restoration of the kalanchoe daigremontiana is realized; by arranging the detachable and splicable fence strips, the working condition adaptability of the restoration system is greatly improved, construction operation of workers is facilitated, and the cost of the kalanchoe daigremontiana in the plant restoration process is reduced; by arranging the kalanchoe daigremontiana planting device reasonable in structure and a monitoring system of the kalanchoe daigremontiana planting device, kalanchoe daigremontiana seedlings poor in growth capacity are eliminated while monitoring and meeting the environmental requirements, and the plant restoration efficiency and effect are improved.

The invention discloses a work shoe with a positioning function. The work shoe comprises a vamp and a sole, wherein an open slot is formed at the heel position of the sole, a positioning box is connected into the open slot in an inserting mode, and a battery, a radio frequency tag, an indication lamp and a switch which are integrally connected in series are arranged in the positioning box. A metal sheet is sewed at the heel position of the vamp and is connected with the radio frequency tag through a lead wire. The work shoe has the advantages that the 2.4G communication technology is adopted for the anti-static shoe, expanse of a service terminal is not needed to be borne, and the positioning accuracy can reach 2-3m; and the positioning box of the anti-static shoe can be connected into the sole in the inserting mode so that replacement is facilitated when a positioner is damaged, replacement of the whole shoe is not needed, and maintenance and replacement cost is saved.

A technology for preparing the bracket of electric or optical cable from PVC resin, the mixtuer of gypsum powder and dolomite powder, assistant, and metallic sand includes proportionally mixing, heating while extruding to become particles, heating to become paste, and die pressing to obtain bracket, pellet and screw bolt respectively.

The invention discloses a gas-liquid separation device, which comprises a film sulfonation reactor, a gas-liquid separator and a separator. An inlet of the film sulfonation reactor is connected to a feed pipeline. The gas-liquid separator contains a first inlet and a second inlet, wherein the first inlet is communicated with an outlet of the sulfonation reactor. An inlet of a settling separator is communicated with an outlet of the gas-liquid separator through a first pipe section group, and an outlet of the settling separator is communicated with the second inlet. The settling separator receives tail gas obtained after primary separation by the gas-liquid separator and carries out secondary gas-liquid separation on the tail gas. The gas-liquid separator receives a separation liquid obtained after the secondary gas-liquid separation. The invention also discloses a separation liquid recovery method by using the above gas-liquid separation device.

The invention discloses a manufacturing method of a high abrasion-resistant slurry nozzle. The manufacturing method comprises the following steps of (1) blanking processing, (2) laser cladding, specifically, laser cladding comprises (1) nozzle external surface treatment and (2) nozzle internal hole treatment, (3) nozzle finishing, specifically, nozzle finishing comprises (1) nozzle external surface treatment and (2) nozzle internal hole treatment, (4) nozzle checking, and (5) nozzle assembly assembling. According to the technical scheme of the manufacturing method of the high abrasion-resistant slurry nozzle, the unique manufacturing method is adopted, through a laser cladding technology and based on the advantage that combination of abrasion-resistant materials formulas is convenient, thefact that an easy-to-process high temperature-resistant material matrix is clad with a cladding layer with good high temperature resistance and excellent abrasion resistance in the process of nozzlemanufacturing is achieved, so that the abrasion resistance of a nozzle internal hole is better, the service life of the nozzle is prolonged, the foundation is laid for safety, economy and long periodstability of a device, and the economic benefit is improved.

The invention discloses an assembly method and an assembly system. The assembly system mainly comprises a discharging system, a discharging platform, a flat tube dragging rod and a flat tube sensor. The discharging system comprises a variable-speed lift, a servo motor, a lifting screw, a flat tube dragging telescopic air cylinder, a flat tube discharging platform upper limit sensor and a flat tube discharging platform lower limit sensor. According to the assembly method, when no flat tube exists on an assembly production line, the flat tube sensor senses that no flat tube exists on the assembly production line, the flat tube directly falls off from a flat tube storage position, and usage of the discharging system is not required. Compared with the prior art, the assembly method and the assembly system have the advantages that less equipment is used, equipment using frequency is lowered, overall efficiency and intellectualization of the equipment are improved, a large amount of maintaining and replacing cost for the equipment is saved, and expense is lowered for industries.

The invention discloses a pure bending moment yield damper device. The pure bending moment yield damper device comprises supporting frame connectors, energy dissipation plates, supporting plates, guide grooves, shear keys, rolling supports and lateral constraint masonry. According to the pure bending moment yield damper device, the pressure distribution is uniform, the energy dissipation plates atthe extension part generate pure bending moment, the ductility is high, and it is effectively avoided that when the extension part is used in a welding fixed connection mode, axial force is likely tobe generated, local plastic hinges are caused, and the ductility of the welding position is reduced; the energy consumption performance of the device is improved, the energy absorption and shock absorption performance is high, and the energy consumption effect is good; and the manufacturing cost is low, the operation and later maintenance cost is low, the maintenance and replacement cost after serious earthquake disasters is low, and the applicability is good.

Disclosed is a foldable bumper of a motorcycle. A fixed bumper frame, a left protection bumper frame and a right protection bumper frame of the bumper are in independent structure formed independently, the left protection bumper frame and the right protection bumper frame are rotationally mounted on the fixed bumper frame through hinge shafts, positioning blocks used for positioning rotationally are arranged on the left protection bumper frame and the right protection bumper frame respectively, each positioning block is provided with an unfolding positioning hole and a folding positioning hole, two locking devices used for locking the rotation positions of the left protection bumper frame and the right protection bumper frame are arranged on an upper transverse pipe of the fixed bumper frame, fixed seats of the locking devices are fixedly welded on the fixed bumper frame, positioning latches with bent ends are mounted vertically rotationally on the fixed seats through pins and inserted into the positioning holes on the positioning blocks and stay at normal locking state under the pressure of a reset spring. The left protection bumper frame and the right protection bumper frame of the bumper can be unfolded or folded, have protection action during running of the motorcycle or can reduce occupation space during parking, partial parts of the bumper can be replaced respectively, maintenance and replacement cost can be reduced, and the locking devices are not easy to be damaged.

The invention discloses a method for effectively preventing inner leakage of a liquid ammonia water cooler. The method comprises the following steps that an ammonia compression device communicates with a nitrogen input pipeline provided with a side hand valve; after an ammonia freezing system is stopped, a water inlet valve and a water outlet valve of a circular water cooler are opened; and the side hand valve is opened, and low-pressure nitrogen is introduced into the ammonia compression device through the nitrogen input pipeline. The method has the advantages of prolonging the service life of the circular water cooler, reducing the equipment maintenance and replacement costs, preventing the water quality of circulating water from being polluted, and prolonging the use cycle, and is suitable for an ammonia compression and refrigeration technological process.

The invention relates to the field of production of large prebaked electrolytic cells, in particular to a repair method suitable for deformation of an anode guide rod hanging hole. Comprising the steps that a deformed sheath at a lifting hole of the deformed guide rod is dismantled, a new sheath is placed in the lifting hole of the deformed guide rod, a gap between the new sheath and the lifting hole of the deformed guide rod is subjected to repair welding through a self-propagating welding method, and the two ends of a welding face are polished to be smooth; compared with the prior art in which a new technology combining steel sheath replacement with self-propagating welding is adopted, the problem that the guide rod lifting hole is deformed and scrapped can be effectively solved, the maintenance and replacement cost of the anode guide rod is greatly saved, and a shortcut is found for reducing the production cost of electrolytic aluminum enterprises.

The invention discloses a seawater corrosion-resistant titanium tube outboard cooler, which comprises an end cover and a tube plate fixedly connected to the bottom of the end cover, the inner cavity of the tube plate is provided with a cooling pipe, and the two sides of the upper end surface of the end cover are respectively There are two flanges in communication, and the two flanges are connected with the cooling pipe. The center of the lower end surface of the end cover is provided with a limiting groove, and the inner cavity of the limiting groove is slidably connected with a rotating sleeve. The two sides of the rotating sleeve Both are fixedly connected with an inner casing, the inner casing is slidably connected with the cooling pipe, and the cooling pipe is respectively rotatably connected with the first gear capstan and the second gear capstan. In the present invention, the titanium tube structure is adopted to realize that the tube wall of the titanium tube is thinner than the copper tube, further reducing the weight of the cooling tube, and a rotating impurity removal structure is adopted to realize friction scraping and cleaning of the outer wall of the cooling tube. A two-way anti-helical structure is adopted to achieve an enhanced scraping effect on impurities on the outer wall of the cooling tube.

The invention relates to a supporting device of a water slag blowing tower in iron and steel smelting, and especially a device of a flow-limiting plate used when the water slag is fed back to a flushing tank. In order to ensure the tightness of the flow-limiting plate and to prevent leakage under the environment with high erosion and high corrosion, according to the invention, a sealing chamber is added on a basis of an original rotary drum underflow pump flow-limiting plate. One end of the sealing chamber is welded to a blowing tank. The other end of the sealing chamber is annular, and forms a sealed space with the outer wall of a transmission pipeline. The flow-limiting plate is positioned in the sealing chamber. Concrete is filled between the flow-limiting plate and the sealing chamber. With the structure, the service life of the flow-limiting plate is greatly prolonged; maintenance and replacing costs of sealing rings and sealing gaskets are saved; and maintenance time spent by manual reparation of a flow-limiting plate flange is saved.

The invention belongs to the driving technology field, and especially relates to a general vehicle ultra-low speed drive unit intelligence control system comprising an input signal acquisition device, an electronic signal processing device, an integration function combined system, a forward backward control system, and an uplift descend control system; the input signal acquisition device is connected with the electronic signal processing device; the electronic signal processing device is connected with the integration function combined system; the integration function combined system is respectively connected with the forward backward control system and the uplift descend control system; compared with a conventional antiblocking system, the general vehicle ultra-low speed drive unit intelligence control system is simple in structure, and all parts are relatively cheaper, thus greatly reducing making cost and price; used parts like a gear, a worm, a worm gear, a tooth bar are easy to make; manufacture, maintenance and replacement cost are low, and price is low.