32results about How to "Less maintenance" patented technology

A cyclotron that includes a magnet assembly to produce a magnetic field to direct charged particles along a desired path. The cyclotron also includes a magnet yoke that has a yoke body that surrounds an acceleration chamber. The magnet assembly is located in the yoke body. The yoke body forms a pump acceptance (PA) cavity that is fluidicly coupled to the acceleration chamber. The cyclotron also includes a vacuum pump that is configured to introduce a vacuum into the acceleration chamber. The vacuum pump is positioned in the PA cavity.

A burner system for heating the material product, i.e., asphalt, includes a burner kettle designed with a thicker bottom heat transfer plate, added heat transfer oil (HTO) circulation pumps, a spiral circulation ring and heat restriction rings. The spiral circulation ring spirals up the burner kettle to move the HTO around the entire circumference of the burner kettle to eliminate hotspots. An HTO pump moves cooler oil from the top of the kettle directly across the hottest part of the bottom of the kettle, i.e., across the heat transfer plate. Keeping this zone cool will eliminate heat stress of the material. Heat restriction rings direct the heat back and forth throughout the burner kettle for increased efficiency.

Novel micro electro mechanical systems (MEMS)-based sensors for use in ultra-high temperature environments are disclosed. The MEMS-based sensors are derived from a class of polymer-derived ceramics selected from the group consisting of SiCN, SiBCN and SiAlCN. The materials of construction are such that, the sensors are capable of accurate, real-time, on-line and in-situ monitoring, suppression of combustion oscillations and detailed measurements in operating structures that have temperatures of from about 1500° K to about 2000° K, extreme pressures/turbulence and harsh chemical off gases. When the novel sensors are mounted on a hot gas path wall, such as, at a combustor exit, there can be a continuous monitoring of pressure pulses/oscillations, wall shear stress, temperature and surface heat flux.

A filter system for a free-standing air blowing fan having a support stand, motor driven fan blades and a cage about at least portions of the blades, is described. The filter system comprises a filter support hub defined by a solid circumferential wall. The filter support hub is secured about or forms part of the cage. The hub is also provided with filter retention attachments rearwardly thereof for removable securement of a flat annular disc-shaped air filter behind the fan blades and cage. The filter support hub has a projecting air shield front edge projecting forwardly of a central planar axis of the fan blades of the fan to prevent ingress air flow from a front opened end of the filter support hub when the fan is operating. All the ambient air is accordingly drawn from the back through the filter.

The invention discloses an intelligent high-pressure vacuum circuit breaker, which is provided with an intelligent observing and controlling device. The intelligent observing and controlling device is provided with an intelligent core device as a microprocessor; an operating mechanism and a vacuum circuit breaker body are of an integral structure; the operating mechanism and a vacuum arc extinguish chamber are arranged in front and back; and the vacuum arc extinguish chamber is longitudinally arranged in a tubular insulating cylinder. Through the technical scheme of the invention, dynamic monitoring on various parameters of current, voltage, operating positions, working environment, states and the like is realized, on-line state detection is carried out on a device, intelligent diagnosis, control and protection are carried out on the core control device, and analysis and process can be carried out on monitored data; maintenance is little or free; functions of automatic protection, automatic regulation, running state monitoring, intelligent operation, communication and the like are achieved; and a comprehensive solution is provided for the intelligentization of the high-pressure vacuum circuit breaker.

A fuel conditioning assembly, structured to be positioned between a fuel supply and a fuel combustion assembly, and including an elongate tubular housing having an inlet end, an outlet end, and a flow through passage extending there between. The inlet end is coupled with the fuel supply so as to receive fuel flow there through into the flow through passage, wherein a turbulent flow of the fuel is initiated and the fuel is influenced by a combination of elements, in compound or elemental form such as copper, aluminum, stainless steel, titanium, magnesium, barium, calcium, iron, zirconium, cerium, platinum, and/or palladium which chemically condition the fuel flowing through the flow through passage by rearranging the molecular bonds of the fuel with a catalytic effect. The fuel, regardless of its type is further dispersed into very small droplets having high surface areas thereby lowering the vapor density of the fuel and substantially increasing a fuel burn efficiency. Further, the outlet end of the housing is coupled directly with the fuel combustion assembly so as to provide for the flow of conditioned fuel there between without a substantial risk of a diminishing of the effects of the conditioning.

A multi-use two-reservoir bucket that combines various separate tasks and methods to make available more options. More specifically, the multi-use two-reservoir bucket is a two-reservoir system to supply liquid or material to a pump/sprayer, tools and accessories.

An traffic light capable of utilizing both natural sunlight and artificial light for illuminating selective traffic signals. Natural light is directed to a natural light router or switch and to a color switch for providing a red, amber or yellow, and a green light for each bank of traffic light signals. A controller is coupled to the natural light router and light emitting diodes for controlling the mode of operation for operating the traffic light with either electrically powered light emitting diodes or with natural light collected by the natural light collector. A sensor detects the adequacy of the natural light, and when insufficient, causes the controller to power an LED signal light. The natural light may either be amplitude modulated or time modulated so as to provide a desired high illumination output to the desired signal light. The power consumption is greatly reduced, as well as providing a more reliable traffic light substantially independent of power line interruptions or fluctuations. Any information, not only traffic signals, may be displayed.

The invention relates to a sewage treatment method and a device thereof. The sewage treatment method comprises that a continuous automatic sand filter is matched with an oil-mud thickening system in use; on the one hand, sewage filtration is performed in the continuous automatic sand filter so as to mainly remove a large amount of suspension and oil in the sewage, and the filtered water is colorless liquid and achieves the oilfield reinjection standard, and on the other hand, the sewage sand is backwashed in the continuous automatic sand filter; and then, the sand washing sewage of the continuous automatic sand filter enters the oil-mud thickening system to be further treated so as to separate the oil and the suspension in the sewage again and obtain sludge and oil only containing trace water, and the treated sand washing sewage is returned to be circularly treated. The continuous automatic sand filter and the oil-mud thickening system are matched in use, and the filtration process and the backwashing process are performed synchronously, so the cleaning for the sewage sand is quite thorough, the yield water has stable water quality and has no pollution, and the oil-mud thickening system can circularly treat the continuously produced sand washing sewage so as to realize zero emission of the sewage.

A shopping cart has a wheeled base, a rear frame projecting upwardly from the rear end of the base with a handle at its upper end, a basket having a rear end secured to the frame and projecting forwardly from the frame at spacing above the base, and a fixed child seat secured to the rear frame. The basket is closed by a pivoted rear gate at its rear end. Two or more carts can be nested together by pushing the front wall of the basket of a first cart through the rear frame beneath the fixed child seat of a second cart, simultaneously pivoting the rear gate upwardly to allow the basket of the first cart to enter the basket of the second cart. The side walls are inclined upwardly from the child seat to the front end of the basket.

The invention relates to a circulating fluidized bed boiler and a method for combusting by using yellow phosphorus exhausting gas. The circulating fluidized bed boiler comprises a combustion chamber, and the upper part of the combustion chamber is connected with a yellow phosphorus exhausting gas delivery system and a secondary air distribution device. A corrosive substance produced by the yellow phosphorus exhausting gas combusted in the combustion chamber and an added alkali solid substance undergo neutralization reaction so that the corrosive substance is thoroughly removed, the corrosion to the boiler is avoided, and the equipment made of conventional materials also can work for long term. The method has the advantages of simple process, convenient operation, low cost for removing the corrosive substance, and low expenses of equipment investment, operation and maintenance. The high-temperature flue gas in which the corrosive substance is removed can be directly discharged to the atmosphere after heat exchange, and does not pollute the environment. The safe use of the yellow phosphorus exhausting gas serving as energy is realized, and the solid fuel can be separately combusted when no yellow phosphorus exhausting gas is used as the fuel so as to provide a guarantee for the continuous operation of the combustion chamber.

The invention relates to a co-production method of polyphenols, pigments, tannin, procyanidins and wood powder through Chinese chestnut buds. Chinese chestnut buds are smashed into 30-80 meshes, Chinese chestnut bud powder and alkaline deionized water are added into a tank, subjected to microwave radiation and stirred and extracted for three times, a water extract solution is separated through various films, polyphenols, pigments, tannin, procyanidins and wood powder are obtained after concentration and drying, and filter residues are dried into wood powder. By means of the scheme, comprehensive utilization of waste Chinese chestnut bud resources can be achieved, and the method belongs to the clean and efficient pollution-free ecological mode industry.

A vending machine system for stackable goods such as vehicle air fresheners includes a hopper and a reciprocating arm. The hopper is configured to hold a stack of the stackable goods. The hopper has an aperture formed in a base of the hopper for dispensing the stackable goods from the hopper. The reciprocating arm is disposed adjacent the aperture. The reciprocating arm is linearly movable between a retracted position and an extended position. One of the stackable goods is received by the reciprocating arm when the reciprocating arm is in the retracted position, and is pushed from the stack of stackable goods by the reciprocating arm when the reciprocating arm is in the extended position.

The invention relates to a multi-prism steel pipe pole of a power transmission line, belonging to steel pipe poles. The multi-prism steel pipe pole structurally comprises a master pole and a cross arm fixed on the master pole, wherein a bottom flange is arranged at the bottom of the master pole; the master pole is formed by connecting more than two sections of hollow tapered poles through a butt flange; a plug is arranged at the top of the master pole; a grounding electrode is arranged at the lower part of the master pole; the cross arm and the master pole are connected through a cross arm connecting plate; the cross arm connecting plate is fixed on the master pole; the cross arm and the cross arm connecting plate are connected through a bolt; and the cross section of the master pole is multi-prism-shaped. Compared with the prior art, the multi-prism steel pipe pole of the power transmission line, disclosed by the invention, is convenient for installation of the cross arm and fixed easily; the master pole is in a sectional structure and has the characteristics of easiness in machining, convenience for construction, operation safety and reliability, less maintenance amount, and thelike; and therefore the multi-prism steel pipe pole has favorable popularization and application values.

The invention discloses a pump-free oxygen increasing device comprising a water sucking and spraying mechanism, a motor, a frame, and floating balls. The motor is fixed on the frame. A motor shaft of the motor is connected with the water sucking and spraying mechanism. The floating balls are arranged at the bottom of the frame. Of the water sucking and spraying mechanism, the lower part of a tubular body is a water sucking part, the side wall of the tubular body is equipped with a plurality of hollow water spraying parts communicated with the water sucking part, the water spraying parts can spray water without pumps under the action of centrifugal force when a power mechanism runs at certain speed, the inner wall of the tubular body is provided with a plurality of drainage troughs which facilitate rising flow of liquid, and the power mechanism is fixed on the frame. The oxygen increasing device can be put in a pool. As the oxygen increasing device has no rotating blades, the workload and cost of later maintenance are low, and the oxygen increasing device can adapt to more working conditions. The device is provided with an automatic detection control device, so that the working ability can be timely adjusted according to different external conditions, and energy is saved.

The invention discloses a micro-flow labyrinth bypassing pressure adjusting and stabilizing valve, and relates to the technical field of valves. A key technology of setting a bypassing labyrinth body is adopted; the bottom end of a cavity of a valve body is inlaid with a valve core base; the upper end of the valve body and a valve cover are fixed, and the valve core base and the bottom end of the bypassing labyrinth body are fixed; the bottom surface of the valve cover is buttedagainst the upper end of the bypassing labyrinth body;the inner wall of the bypassing labyrinth body and a valve element relatively slide; the upper end of the valve element and the bottom end of a valve rod are fixed, and the upper position of the middle section of the valve rod and a balance disc are fixed; a filler and a pressure ring are put in a valve cover trapezoidal hole in the lower position of the middle section of the valve rod; the upper end of the valve cover is fixed toa pressure cap; the valve rod and a limiting ring relatively slide; the lower end of a spring inserted in the valve rod and the balance disc are butted against, and the upper end of the spring and a limiting ring are butted against; the upper end of the valve rod and a fine-adjustment twisting internal threadare in threaded connection, and a fine-adjustment twisting external thread and a top plate are in threaded connection; the top plate is welded with a support; and the support is fixed tothe side surface of the valve body. The valve is used for a boiler less-oil or micro-oil ignition fuel system of a fire coal thermal power plant. The valve is simple and skillful in structure, stable and reliable in effect, easy to produce and low in cost.

A multifunctional light condensing and scattering plate comprises a strip body which is made from transparent material and can extend freely and two symmetry refractive cavity groups in the strip body, wherein each refractive cavity group is composed of a plurality of polygon cavities arranged in turn along width, a plurality of polygon cavities of the two refractive cavity groups are extended from one end to another end of the strip plate along length, the lower part of the strip body is provided with a substrate, the upper surface of the substrate are two paraboloids whose focal lines are symmetry, the two paraboloids are light reflection surfaces and form a cavity with the lower surface of the strip body, the focal line A of the paraboloid is on the symmetry plane of the two paraboloids in the cavity, the focal line is provided with a collector tube, a photoelectric conversion collection device or a lighting device. Two ends of the multifunctional light condensing and scattering plate are provided with end covers. The invention combines the functions of solar power generation and heat collection, can densely collect light, attain high photoelectric and photothermal conversion efficiency, low cost, simple installment, maintenance and application and has the ability for generating a collimated light source.

The present invention relates to an apparatus and a method for continuously drying bulk goods, in particular wood fibers and/or wood chips, in a dryer, wherein the drying vapors are led to a dryer circuit, in which the drying vapors are indirectly heated via a heat-exchanger (4) and are conducted to the dryer (1) again.

The invention discloses a horizontal moving type toothed rail turnout mechanism. The horizontal moving type toothed rail turnout mechanism enables a toothed rail vehicle to smoothly and reliably replace a running station track. Stock rails include at least one front stock rail and at least one rear stock rail. A horizontal moving platform is disposed between each front stock rail and each rear stock rail, and at least one moving rail is fixedly disposed on each horizontal moving platform. The stock rails and the moving rail are composed of two steel rails and a toothed rail between the steel rails. Horizontally extending guiding rails and a driving mechanism for driving the horizontal moving platform to perform linear reciprocating motion along the guiding rails are arranged under the horizontal moving platform at intervals.

The invention discloses a plate turning machine which comprises a feeding plate, a receiving plate, a feeding plate driver and a receiving plate driver. A feeding plate rotating shaft is arranged at the inner side end of the feeding plate, a receiving plate rotating shaft is arranged at the inner side end of the receiving plate which is correspondingly arranged at one side of the feeding plate and forms a gap in between, one end of the feeding plate driver is directly connected with the feeding plate, the connection position of the feeding plate driver and the feeding plate is arranged at the outer side of the feeding plate rotating shaft, and the feeding plate can be driven by the feeding plate driver to rotate around the feeding plate rotating shaft. One end of the receiving plate driver is directly connected with the receiving plate, the connection position of the receiving plate driver and the receiving plate is arranged at the outer side of the receiving plate rotating shaft, and the receiving plate can be driven by the receiving plate driver to rotate around the receiving plate rotating shaft. In the invention, the feeding plate driver directly acts on the feeding plate, and the receiving plate driver directly acts on the receiving plate so that intermediate links, such as a crank, a driving shaft, and the like are canceled, and the plate turning machine has simpler structure and more reasonable stress.

The invention discloses a horizontal pulled gate bottom trolley with rolling wheels of a self-lubricating bearing structure. Every two sets of rolling wheel parts are installed on a frame; the left frame and the right frame are connected into an overall framework of the bottom trolley through a frame beam; a gate body is located on roller parts of the bottom trolley through arc-shaped base plates; the roller parts transversely move under water pressure to complete attaching leaning and water stoppage; the left rolling wheel parts and the right rolling wheel parts travel along bottom rails laid in a groove lower than a doorsill in parallel so that the gate body can travel forwards and backwards along the bottom rails to be opened and closed; the four sets of rolling wheel parts are of the same structure; each rolling wheel part comprises a rolling wheel, a rolling wheel shaft, a self-lubricating bearing and self-lubricating bearing sealing covers; the rolling wheels are installed on the frames through the rolling wheel shafts; the self-lubricating bearings are arranged between the rolling wheels and the rolling wheel shafts; and the two ends of each self-lubricating bearing are sealed through the corresponding self-lubricating bearing sealing covers. The structure is simple, the manufacturing cost is reduced, the horizontal pulled gate bottom trolley is easy to maintain and even is free of maintenance, and the defects of underwater use of roller bearings in the prior art can be totally overcome.

The invention relates to a bridge structure and particularly relates to a cable-stayed bridge with a tensioned mid-span girder. The bridge comprises at least two bridge towers, mid-span stay cables, stay cables with side spans anchored on the ground, stay cables with side spans anchored on girders, mid-span girders, side-span girders, ground anchoring structures of side-span stay cables and expansion joints, wherein the number of bridge towers is at least two, an upper end of the mid-span stay cable is anchored on the bridge towers, a lower end is anchored on the mid-span girder, upper ends ofthe side-span stay cables are anchored on the bridge towers, lower ends of a part of the side-span stay cables are anchored on the side-span girders, lower ends of the other side-span stay cables areanchored on the ground anchoring structures, the girder is continuous, and the expansion joints are arranged between the ground anchoring structures of the side span girders and the side span stay cables. The cable-stayed bridge is advantaged in that the side span is short, the mid-span girders are tensioned, compared with a bridge in the prior art, the cable-stayed bridge is low in manufacturingcost, high in driving comfort, small in influence on the environment and more suitable for railway cable-stayed bridges and cable-stayed bridges jointly constructed by highways and railways.

A leaf collection vehicle utilizing a vehicle body from a refuse collection vehicle having a receiving hopper, a storage compartment, a tailgate assembly, an operator cab and a packer mechanism for transferring refuse from the receiving hopper to the storage compartment, the refuse collection vehicle body being transformed into a leaf collection vehicle by removably installing a fan assembly within the receiving hopper, the fan assembly providing suction for gathering leaves, a suction hose removably attachable to the fan assembly for collecting and transferring leaves initially to the storage compartment and then to the receiving hopper, and a boom member for holding the suction hose, the boom member being operable from the cab compartment of the vehicle and being movable from a storage position along a side of the vehicle body to an operative position for gathering leaves.

Composite panel for building construction comprises a first layer of honeycomb structure, and a load-bearing layer attached to the first layer of honeycomb structure contiguously or at distance for carrying external load of the composite panel in a lateral direction of the honeycomb structure.

The invention discloses an automatic torpedo ladle inserting and pulling system and an inserting and pulling method. The torpedo ladle plug comprises a torpedo ladle plug female head, wherein the torpedo ladle plug female head is mounted on a torpedo ladle; the device comprises a torpedo ladle plug male head, the torpedo ladle plug male head is installed at the execution end of a plugging mechanism, the fixed end of the plugging mechanism is connected with an industrial robot system through a connecting flange, and a laser vision system is installed on the connecting flange. The industrial robot system comprises a robot body, the robot body is connected with the control system through a connecting cable, and the control system is connected with the demonstrator. Laser vision is adopted to detect the position of the plug male head on the torpedo tank car, and automatic plugging power taking of the torpedo tank car can be achieved in cooperation with a robot and a specially-designed plugging mechanism; the robot is good in flexibility and can execute complex actions; the stability is high, the device can be suitable for severe work, and the maintenance cost and workload are low; the working radius is large, and automatic plugging work of various torpedo tank cars can be met.

The invention belongs to the technical field of power grid protection fixed structures, and particularly relates to an anti-falling grounding fastening pile. The anti-falling grounding fastening pilecomprises a mounting cylinder, a self-recovery assembly and a self-filling assembly, wherein the self-recovery assembly and the self-filling assembly are arranged in the mounting cylinder; the mounting cylinder comprises a cylinder body and an inverted-cone-shaped cylinder bottom at the bottom; the self-recovery assembly comprises a fixed end cover, a connecting rod, a compression spring and a buffer piece; the self-filling assembly comprises a ratchet rod, a pressure-resistant cylinder assembly, a ratchet positioning assembly and a pressure control assembly; and the pressure control assemblycomprises an upper piston and a pressure control piece. The anti-falling grounding fastening pile has the advantages of convenience in installation and use and less later-period maintenance operation,and in the using process, after soil around the fastening pile is lost, adhesive force is reduced and the fastening pile is loosened and moves upwards, pores, holes and the like outside the fasteningpile can be filled with foam materials, so that the phenomenon that soil in the holes collapses and falls off is restrained, the phenomenon of soil loss is slowed down and avoided, the fastening effect and long-term stability of the fastening pile are effectively increased, and the use and maintenance cost of the basic fastening pile can be reduced.

The invention relates to a self-centering ceramic art fettling clamp. The clamp comprises a positioning clamping device, wherein the positioning clamping device is a self-centering clamping device, the self-centering clamping device comprises an upper chuck and a lower tray which are coaxially connected with each other through corresponding shaft devices, a plurality of working sliding grooves which are uniformly distributed in the circumferential direction are formed in the upper chuck, the upper wall surface of the lower tray is provided with a plurality of Archimedes spiral convex bodies which correspond to the working sliding grooves and are uniformly distributed in the circumferential direction at equal intervals, and clamping claws which are correspondingly connected with the corresponding working sliding grooves are arranged on the plurality of Archimedes spiral convex bodies in a sleeve mode. The self-centering ceramic art fettling clamp is extremely simple and reasonable in structure, simple and convenient to operate and use and low in manufacturing cost.

The invention discloses an ear transportation device used for a feed beater device. The ear transportation device comprises a belt guide wheel which is coaxially mounted on the axes of the feed beater with a dentation feed beater. The belt guide wheel is provided with a coaxial disk. The ear transportation device is characterized in that the ear transportation device further comprises transportation projecting claws; the transportation projecting claws are fixed on the disk of the belt guide wheel; the transportation projecting claws take the center of a rotating shaft of the belt guide wheel as the symmetrical center and are divergently distributed in uniform spacing; the transportation projecting claws are fixed on the disk of the belt guide wheel through a belt and are integrated with the belt; the number of the transportation projecting claws is twelve, the number of dummy clubs is four, and the number of arc-shaped lug bosses is four; and a belt cover is mounted on the belt. The invention has the advantages of fewer fault rates, and lesser replacement and maintenance phenomena. Therefore, the ear transportation device greatly reduces the use cost.

The invention belongs to the technical field of civil construction, and particularly discloses a blister sounding pipe energy pile bridge deck deicing system and a construction method thereof. The blister sounding pipe energy pile bridge deck deicing system comprises an energy pile foundation and bearing platform structure, a bridge deck heat exchange system, a multifunctional heat collector waterpump system and a heat transfer pipe. According to the invention, the existing cast-in-place pile blister sounding pipe is used as an energy pipe, the bottom is communicated through a U-shaped connector to form the energy pile, heat conduction liquid flows into the energy pile from the multifunctional heat collector, flows to the bridge deck slab after heat exchange and melts ice and snow on thebridge deck, and the purpose of removing ice and snow is achieved. The system is suitable for bridges with the foundation being a pile foundation, capable of removing ice and snow on bridge decks by utilizing geothermal resources, long in service life, low in construction cost, and low in later-period labor and maintenance cost, achieves energy conservation and environmental protection, and is a new green building technology.

The invention relates to the technical field of punching and tapping machines, and discloses all-in-one machine equipment which comprises a supporting box body and a product jig, wherein supporting legs are fixedly connected to the lower surface of the supporting box body, the lower ends of the supporting legs abut against the ground, a conveying belt assembly, a front face hole punching station, a front face hole reaming station, a reverse face groove milling station, a reverse face tooth tapping station, a top face milling station and a top face tooth tapping station are arranged above the supporting box body, and the product jig sequentially passes through the front face hole punching station, the front face hole reaming station, the back face groove milling station, the back face tooth tapping station, the top face milling station and the top face tooth tapping station on the conveying belt assembly. By means of a combined punching and tapping mode, the time for completing procedures is saved, damage to a single structure is reduced, the number of times of replacement and maintenance is small, cost is low, too much manual intervention is not needed, and the automation degree is high.