79results about How to "Less auxiliary equipment" patented technology

An integrative air compressor of self-driven type comprises a machine body, a power cylinder and an air cylinder. The power cylinder and the air cylinder, which are arranged alternately, are mounted on the machine body and share a crankshaft. One end of the machine body is provided with an end cover and a driving timing gear system arranged at the corresponding end plane of the machine body is in the end cover of the machine body. A first camshaft, a second camshaft and an oil pump spindle, which are arranged on the fitting seat of the camshaft, are connected with the timing gear arranged on the crankshaft by a timing synchronous cog belt and a timing gear pair of the driving timing gear system. A plurality of corresponding cams on the first camshaft respectively correspond to the inlet valve component of each power cylinder and the air cylinder. A plurality of corresponding cams on the second camshaft respectively correspond to the exhaust valve component of each power cylinder and the air cylinder. The invention has the advantages of compact structure, high energy utilization efficiency, good matching performance of the power part and the air part, less assistant equipments, longer service life, reliable performance, easy operation and no need of special staring equipment.

The invention relates to a repeating aircraft catapult which is a device for supplying power for aircraft in short distance on land, warships and aircraft carrier decks. The repeating aircraft catapult comprises a first-level acceleration main shaft, a second-level acceleration main shaft, a transmission shaft, an acceleration spiral orbit, a deceleration spiral orbit, a counterweight spiral orbit, a change gear, a rotary power source, an acceleration orbit, a main shaft positioning wheel, a transmission trolley, a trolley starting hook, a trolley arm, an arm closing spring, a trolley acceleration wheel, a trolley positioning wheel, a trolley pass-back orbit, a pass-back motor, a trolley starting wheel, a starting wheel motor, a starting wheel switch, a pressure switch, an equipment main switch, a main power supply, an equipment steel skeleton, a bearing or bearing bush, an electromagnet and the like. The repeating aircraft catapult can accelerate 40-ton aircraft to 80 m/s in 105-m distance within 5 s. The invention has the characteristics of less auxiliary equipment, simple maintenance and mature power equipment technology, can adopt gas engines, steam turbines and the like, and can continuously accelerate aircraft take-off.

The invention relates to a continuous suspended dirt filtering device and a filtering and back-flushing method. Traditional sand filtration devices comprise rapid filter tanks, double-layer filter tanks and pressure filters, are in multiple forms but have common problems, namely halting back-flushing problems that filtering mediums are fixed in the filtering process and are blocked by suspended solids after being used for filtration for a period of time, the filtration speed is reduced, the filtration resistance is increased, and the water production capacity is reduced. The continuous suspended dirt filtering device comprises a sand filtration tank (10) connected with a clean water outlet pipe (3), wherein the clean water outlet pipe is connected with a sand-water separator (7), the sand-water separator is connected with a dirt discharging pipe (2) and an air sand lifting pipe (4) respectively, the air sand extraction pipe is connected with a water inlet pipe (1), an air lifting pump(9) and a water inlet distribution pipe (5) respectively, and the water inlet distribution pipe is connected with a backflow sand hopper (6). The continuous suspended dirt filtering device is appliedto the further purification of sewage in the subsequent sewage treatment process.

The invention discloses a compression-type refrigeration and heating outdoor heat exchange device, which includes a refrigerant circulation heat exchange assembly, a water circulation heat exchange assembly and an air convection heat exchange assembly; the refrigerant circulation heat exchange assembly includes a finned surface heat exchanger, a refrigerant, Refrigerant pipeline inlet, refrigerant pipeline outlet, refrigerant circulation pipeline and water-refrigerant heat exchanger, water circulation heat exchange components include circulating water pump, circulating water pipeline, circulating water, water-refrigerant heat exchanger, water distributor, evaporative heat and moisture exchange Air convection heat exchange components include evaporative heat and moisture exchangers, fans and finned surface heat exchangers. The present invention lowers the condensation temperature of the refrigerant during refrigeration, improves the refrigeration efficiency, and fully utilizes the latent heat of the air during heating to improve the heating efficiency. At the same time, the outer surface of the finned surface heat exchanger is clean and the thermal resistance is small; at the same time, it has a simple structure. , less auxiliary equipment, convenient operation and maintenance, etc., can greatly improve the energy efficiency ratio of the unit.

The invention discloses a tire type online traveling cement-emulsified asphalt mortar stirring and pouring vehicle which comprises a special chassis and a vehicle-mounted container framework, wherein the special chassis comprises a traveling system and can carry out online traveling or inter-plate traveling, and the spacing interval between traveling tire groups is adjustable; a stirring tank is arranged in the vehicle-mounted container framework, and a liquid material and dry material supply system is connected at the outside of the stirring tank; and the liquid material and dry material supply system comprises a dry powder bin and a liquid material storage tank, and the dry powder bin is connected into a cylindrical tank body of the stirring tank through a screw conveyor. The tire type online traveling cement-emulsified asphalt mortar stirring and pouring vehicle adopts the tire type online or inter-plate traveling way, the design of the large-capacity bin and the material storage tank and high and low elastic modulus cement-emulsified asphalt mortar universal formula program software for realizing the arbitrary adjustment of a mortar formula, thereby automatically controlling the material mixing process, the loading process and the metering process, improving the construction efficiency, saving the production cost, leading the production quality of mortar to meet the requirements on construction technical conditions and leading the construction process to realize energy conservation and environmental protection.

The invention discloses a near-net forging forming method of a railway vehicle coupler knuckle. The problems that forging forming of the railway vehicle coupler knuckle is difficult, and the machining and manufacturing process is complex are solved. The near-net forging forming method comprises the steps of material preparation, heating, prefabrication of blanks, preforging, closed die-forging, waste heat quenched-tempered heat treatment, finish machining, flaw detection and the like. A closed die-forging technology is adopted so that near-net forming of the coupler knuckle can be achieved, energy and materials are saved, the outer contour shape and size do not need to be machined, and the utilization ratio of the materials can reach 92% or above. In the whole forming process, workpieces are always in a three-dimensional stress state, and products have a compact structure, high toughness, good fatigue performance and long service life. The defects of air holes, shrinkage porosity, inclusions, cracks and the like in existing casted coupler knuckles are overcome, and the problems of complex process and difficult forming in the existing coupler knuckle forging manufacturing process are solved. The near-net forging forming method is simple in manufacturing process, high in material utilization rate and suitable for mass production and manufacturing of railway vehicle coupler knuckle products of various types.

The invention provides a waste heat comprehensive energy recovery device for a diesel engine, and belongs to the technical field of energy recovery. When the waste heat comprehensive energy recovery device is used, water firstly absorbs heat through a pressurized air heat exchanger and then enters a flue gas heat exchanger to further absorb flue gas heat, generated steam or a generated steam-watermixture is atomized through a spray head, and then enters an evaporator to be mixed with high-temperature flue gas from a smoke exhaust main pipe of the diesel engine to be quickly vaporized into water vapor, on one hand, a mixture of the flue gas and the water vapor drives a waste gas turbocharger to provide supercharged air for the diesel engine, and on the other hand, the mixture drives a power turbine is driven to work; and energy recovered by the power turbine is finally fed back to an output shaft of the diesel engine through a gear transmission device, so that the energy is effectivelyutilized. The system can recycle supercharged air, lubricating oil and exhausted flue gas waste heat energy of the diesel engine to the maximum extent, the exhausted flue gas temperature of the diesel engine is effectively reduced, the proper environment temperature is provided for tail gas desulfurization of the diesel engine, the external output power of the diesel engine is increased, and thefuel consumption rate of the diesel engine is reduced.

The invention discloses a rotary excavating drilling system and a soil and underground water in-situ repair process adopting the same. According to the rotary excavating drilling system, a rotary excavating and guide drilling integrated drilling machine is adopted to complete different angles of drilling and withdrawal rotary jet grouting operation. Through the repair process, adopted equipment issimple, and fewer accessory devices are adopted. The same rotary excavating drilling machine can implement the vertical jet injection process and the multi-branch well withdrawal jet grouting process, and the two processes can be selected according to the distribution difference of polluted spaces. The vertical jet injection process is selected to implement in-situ injection repair on scattered spot polluted sites. The multi-branch well withdrawal jet grouting process is selected to implement in-situ injection repair on large-area surface polluted sites. The spot-surface combined space stereoscopic repair effect can be achieved. Compared with the vertical injection process, the multi-branch well repair process has the advantages that single-pass long-distance and large-area repair can berealized, the repair efficiency can be improved, the repair period can be shortened, and the repair cost can be reduced.

The invention relates to a direct strong convection board used for a hood-type annealing furnace and automatically suitable for a cold-rolling strip steel bandwidth and a working method thereof. The direct strong convection board comprises a flow guide pipe and a flow guide plate with a flow guide channel. The direct strong convection board is characterized by the thermal cycle paths of sequentially passing through a heating hood, an inner hood, protective gas inside a furnace after middle temperature rising and convection, an outer ring of a steel coil and a core part of a thermal radiation steel coil in the heating process and sequentially passing through a cooling hood, the inner hood, the protective gas inside the furnace after middle temperature decreasing and convection, the outer ring of the steel coil and the core part of the thermal radiation steel coil in the cooling process. The direct strong convection board fulfills the aims of enforcing middle convection effect and reducing the unbalance of inner and outer temperatures.

The invention belongs to the technical field of civil engineering and discloses a combined multifunctional steel bar cage manufacturing framework and manufacturing method. The combined multifunctionalsteel bar cage manufacturing framework comprises a framework body, a main rib positioning plate and bearing beams. The framework body is provided with arc moulding beds matched with a steel bar cageto be manufactured; the main rib positioning plate rolls in a matching manner or is slidably supported on the moulding beds, main rib placing grooves are distributed in the main rib positioning plate,and main ribs of the steel bar cage are matched in the main rib placing grooves; and the bearing beams are used for supporting and steadying the steel bar cage in a welding process. The combined multifunctional steel cage manufacturing framework is reasonable in design, steady in support, convenient for machining and rapid in disassembly and assembly, not only can be used in a machining shed, butalso can be used nearby a construction site and a pile site for directly hoisting the steel bar cage or steel bar framework to be directly in position.

A projection system comprises a projector main body and an infrared pen, wherein the projector main body comprises a photographing device, a file input interface, a file processor, a memory, a signal receiver and an image processor, wherein the file input interface is connected with data storage equipment in which a to-be-projected file is stored; the file processor displays the to-be-projected file; the infrared pen gives out operation instruction signals for operating on a projection picture, and the operation instruction signals form an infrared track on the projection picture; the signal receiver is used for receiving the operation instruction signals; the photographing device is used for photographing an image of the projection picture with the operation instruction signals and transmitting the image to the image processor; the memory stores multiple preset instruction pictures; the image processor is used for processing and acquiring the operation instruction sent by the infrared pen and sending the current operation instruction to the file processor; and the file processor executes the operation instruction.

The invention relates to a buckle pipe type pile extractor and relates to technical field of civil construction equipment. The buckle pipe type pile extractor is capable of reducing construction cost and shortening the construction period and comprises a buckle pipe and four pile pulling clamping blocks which are pivoted on the lower portions of the inner walls of the buckle pipe and can pivot vertically; the buckle pipe is a straight pipe with open upper and lower ends; the four pile pulling clamping blocks are symmetrically arranged in the circumferential direction of the buckle pipe; four limiting clamping blocks are fixed to the lower portions of the inner walls of the buckle pipe and are arranged under the four pile pulling clamping blocks correspondingly; and when each pile pulling clamping block pivots to the position where the length direction is perpendicular to the central axis of the buckle pipe, each pile pulling clamping block abuts against the corresponding limiting clamping block under the pile pulling clamping block, and the inner end of each pile pulling clamping block is located on the inner side of the corresponding limiting clamping block. The pile pulling device provided by the invention is suitable for pulling out waste pipe piles buried in the soil body.

The invention relates to the technical field of solid-liquid separation filter devices and provides an automatic filter capable of controlling the slurry density and an application method thereof. The automatic filter comprises a filter tank, filter rackets, a liquid outlet main pipe, an air ejector, a filtrate tank and a back flushing main pipe, wherein a feed pipe is fixedly installed at the upper end of the filter tank; a slurry pump is fixedly installed on the feed pipe; at least three filter rackets are fixedly installed in an upper inner cavity of the filter tank; each filter racket comprises a filter frame, a front filter screen and a rear filter screen; the front and rear filter screens are hermetically and fixedly installed on the front and rear sides of the filter frame respectively. The automatic filter has a reasonable and compact structure, is convenient to apply and manufacture, can achieve unattended operation through program control in the production process, is large in filter area, can achieve continuous production, basically needs fixed parts, has little auxiliary equipment, is convenient and reliable to use, is unnecessary to be removed and installed repeatedly, thus reducing the labor intensity, effectively solving the problem that the moisture contents of filter cakes of plate-and-frame filter presses are difficult to control and being higher in production efficiency.

The invention discloses a novel mortar spreading machine. The novel mortar spreading machine is more uniform in mortar spreading and achieves convenient mortar feeding, the mortar spreading width andheight can be adjusted, the structure is simple and compact, the number of auxiliary devices is small, and the novel mortar spreading machine has better adaptability to a small-sized construction site. The novel mortar spreading machine comprises a support assembly. A guide rail is installed on the support assembly. A material distribution hopper rack is arranged on the guide rail in a sliding fitmanner and connected with a drive device used for driving the material distribution hopper rack to conduct reciprocating motion along the guide rail. The lower side of the material distribution hopper rack is connected with a material hopper mechanism achieving automatic mortar discharge. The material hopper mechanism comprises a material distribution hopper and a pressing plate. The upper part of the material distribution hopper is open, and the lower part of the material distribution hopper is provided with a row of material discharge holes. A screed is installed below the material discharge holes. The screed is provided with comb teeth. The pressing plate is arranged in the material distribution hopper. The size of the plate face of the pressing plate is identical with the area of theopening on the upper part of the material distribution hopper. The pressing plate is used for pressing cement mortar in the material distribution hopper to the material discharge holes to be discharged. The pressing plate is connected with a locating mechanism controlling the position of the pressing plate.

A gas film-type bioreactor system for treating waste gas is composed of a bioreactor, a gas separator, containing a gas film module and with concentrated gas flowing-back tube and gas outlet, and a drier. Said bioreactor containing filler in it has gas inlet, water outlet and gas outlet tube. Its advantage is through degradation of harmfull substance in waste gas.

The invention relates to an isothermal adiabatic reactor for olefin and hydrogen peroxide epoxidation, and is particularly suitable for an epoxidation reaction of propylene and hydrogen peroxide. Thereactor comprises an upper end socket, a lower end socket, an isothermal catalytic reaction section, an upper pipe box, a lower pipe box and an adiabatic catalytic reaction section, wherein the upperpipe box and the lower pipe box are arranged at the two ends of the isothermal catalytic reaction section, and the adiabatic catalytic reaction section is arranged between the upper pipe box and the upper end socket; the adiabatic catalytic reaction section comprises an adiabatic section shell, a catalyst pressing plate and a supporting plate, the catalyst pressing plate and the supporting plate are fixedly connected with the adiabatic section shell, and an adiabatic section catalytic bed layer is arranged between the catalyst pressing plate and the supporting plate. According to the reactor,a traditional reaction process can be greatly simplified, few devices are used, and the process complexity is reduced; the temperature is easy to control, the service life of a catalyst is long, and the hydrogen peroxide can completely react in the equipment.

The invention discloses a multi-layer integrated type series-connection vertical telescopic dry-process vibration medium drainage screen. The medium drainage screen comprises a whole machine frame fixed on a support base, a left front-back movement track and a right front-back movement track; vertical supporting moving hydraulic cylinders are installed at the two ends of the upper portion of the left front-back movement rail and the two ends of the upper portion of the right front-back movement rail respectively, and a plurality of layers of screen frames and outer covers provided with screenmeshes are sequentially mounted on the inner side of the whole machine frame from bottom to top; the screen frame and outer cover of each layer comprises four damping devices, a screen frame and outercover body, a dense medium discharging channel and a clean coal and gangue outlet, wherein the screen frame and outer cover body is installed above cross beams arranged in the front-back direction and the left-right direction in the whole machine frame, four corners of the screen frame and outer cover body are located on the four damping devices correspondingly, and the dense medium discharging channel and the clean coal and gangue outlet are arranged at corresponding positions below the screen frame and outer cover body; and vibration motors are fixedly connected to the front sides and the rear sides of the screen frame and outer cover bodies, a screen telescopic power device and rotating shaft is arranged at a reserved position at the upper portion of one end of the screen frame and outer cover body of each layer, and a screen fixing device and rotating shaft is arranged at the reserved position at the upper portion of the other end of the screen frame and outer cover of each layer.