67results about How to "Control flow direction" patented technology

This invention provides one micro valve formed by micro fin in micro flow control field, which comprises micro flow channel and micro fin array structure connected distributed parallel at one angle to flow channel side wall along fin distribution direction flow and positive flow. Due to positive fin resistance force the inverse fin slice generates large resistance to generate flow difference to realize single valve function.

The invention discloses a kernel rotor device of an exhaust-gas turbocharger, comprising a middle casing, a thrust sleeve, a thrust bearing, an oil baffle, and a shaft gland, wherein a blade wheel is arranged on a turbine shaft on one end of the shaft gland, the middle casing on the one end of the blade wheel is provided with a chamber, a sealing ring sleeve base is arranged in the chamber, and the sealing ring sleeve base comprises a ring-shaped component which is sealed with the inner walls of the chamber and a lantern ring which is dynamically sealed by the shaft gland and is arranged on the turbine shaft. A ring-shaped connecting member is fixedly connected between the ring-shaped component and the lantern ring, one lateral side of the ring-shaped connecting member which faces the blade wheel is provided with an arc-shaped end face which is relative to the shape of the blade wheel. The original connection between a linking disk and the middle casing is changed into the connection of the middle casing and the sealing ring sleeve to remove the linking disk with large size, thereby avoiding deformation of the product. The original projection sealing is changed into notch sealing to enlarge the oil return space of the product, and the original screw pressing is changed into a circlip pressing, thereby providing conveniences for assembly, easily adopting an automatic assembly line, and reducing the cost of the product.

The invention discloses a battery pack pressure relief protection system, a design method thereof and a vehicle, and relates to the technical field of batteries. The battery pack pressure relief protection system comprises a battery pack box body, a fireproof heat insulation wall, a pressure relief flame path and a gas collecting tank. The battery pack box body is used for accommodating a batterymodule, the fireproof heat insulation wall is arranged in the battery pack box body, and the fireproof heat insulation wall divides the interior of the battery pack box body into a plurality of mutually independent isolation areas; one-way pressure release valves are arranged on the battery pack box body at the two ends of all isolation areas, the gas collecting tank is laid above an explosion-proof exhaust port of the battery module, and the two ends of the gas collecting tank are communicated with the one-way pressure release valves respectively; the pressure relief flame path and the one-way pressure relief valves are located at the same end of the battery pack box body, and the one-way pressure relief valves are used for collecting air flows in the gas collecting tank into the pressurerelief flame path. Through the processes of gas collection guide, one-way pressure relief and flame path collection, the flowing direction of high-temperature gas flame can be well controlled, and the safety of the battery pack is improved.

The invention provides an automatic purification husking device for rice processing. The automatic purification husking device comprises a device shell and a feeding hopper. The feeding hopper is connected to the upper end of the device shell in an inserted and penetrating mode, and the lower end of the feeding hopper reaches an inner cavity of the device shell and is connected to the upper end ofa cleaning device in a penetrating mode. The upper end of the cleaning device is fixedly connected to the inner top wall of the device shell, and a motor is welded to the upper end of the outer sidewall of one side of the device shell through a first bracket. The automatic purification husking device overcomes the deficiencies of the prior art, has reasonable design and a compact structure, effectively purifies dried-up seed and grass seed in rice, improves the milled rice rate of the rice and can timely and effectively transport the processed brown rice; and the labor intensity of rice processing personnel is reduced, and the quality of the brown rice is improved.

The invention relates to an integral freely-rotating lifting earthquake-resisting, hazard-reducing, energy-saving environmentally-friendly ecological building with a hung floating vessel. The building comprises a foundation and a ballast bin positioned on the foundation, wherein the foundation and the ballast bin are of a split structure; a floating body is hung in the ballast bin; the upper end of the floating body is connected with a hanging frame; the outer side and the top end of the hanging frame are provided with a floor body consisting of multiple rooms; the hanging frame is internally provided with a first air inlet and a first air inlet channel communicated with the rooms; the inner side of the hanging frame is connected with a rotating shaft by virtue of an adjustable elastic supporting base; two ends of the rotating shaft are fixedly provided with elastic wheels; the elastic wheels are abutted with the ballast bin; the lower end of the floating body is provided with an anti-deviation balancing bin. According to the ecological building, the floor body consisting of the multiple rooms is arranged outside the ballast bin, so that each room is good in daylighting property and ventilation property, and the living environment of people is improved; a lubricant is filled between the foundation and the ballast bin, and the ballast bin can slide on the foundation, so that earthquake resistance and hazard reduction are realized.

The invention discloses an oblique irrigation apparatus used for growth of blueberries, which includes a water tank and a branch pipe. A water valve is arranged below the water tank. A shutoff valve is installed at the left-lower side of the water valve. A fertilizing barrel is arranged under the shutoff valve. A motor is installed on the top of the fertilizing barrel. A stirring shaft is connected at the lower side of the motor. Stirring blades are arranged on the surface of the stirring shaft. A main pipe is connected to the right side of the shutoff valve. A filter is arranged on the outerside of the main pipe. An electromagnetic valve is disposed on the right side of the filter. A support is disposed under the filter. A pressure regulator is arranged on the outer side of the branch pipe which is located at the right-lower side of the main pipe. The water tank supplies water to the whole irrigation apparatus and the water valve is used for controlling the water source for preventing waste. Meanwhile, after irrigation is finished, the water valve can be closed timely. The fertilizing barrel is used for accommodating a fertilizer required in growth of blueberries.

The invention relates to a fireproof ventilated building, which comprises a building body, an air circulating system, a water circulating system and rooms arranged in the building body, wherein the building body comprises a support body and a containment wall which is used for wrapping the support body or covered on the support body. The building is characterized in that: the air circulating system comprises a longitudinal main air inlet passage arranged in the middle of the building body, branched air inlet passages arranged in the rooms and exhaust pipes longitudinally penetrating the rooms; the lower part of the building body is provided with an air supply passage communicated with the outer part, and a fan is arranged in the port of the air supply passage; and the water circulating system comprises spraying systems arranged in the rooms. The air supply passage is arranged in the building body of the building, the fan is arranged in the port of the air supply passage, and the fan can be artificially started to blow fresh air to the building body when the common air passage is overhauled or blocked or catches a fire, so that normal circulation of the air in the building body and the quality of the air are ensured; and the fireproof capacity of the building is improved by matching spraying devices.

The invention discloses a necking process method for a titanium alloy self-locking nut. The method comprises the following steps: S1: performing solid solution heat treatment on a titanium alloy self-locking nut sample prepared by machining to manufacture a sample to be necked; S2: performing necking processing on the sample to be necked at room temperature; and S3 after the necking processing isfinished, performing aging treatment on the titanium alloy self-locking nut, thereby finishing the necking processing of the whole titanium alloy self-locking nut. The possibility that the titanium alloy self-locking nut generates cracks in the process of necking processing process is reduced, the difficult problem that the titanium alloy nut is necked and deformed at room temperature and threadsare cracked is solved, and the necking is realized at the room temperature; and meanwhile, a necking tool is matched, and the tool is more compact in structure, more convenient to operate, more accurate in position and size control, and higher in safety and reliability.

The invention discloses a method for preparing a copper substrate with two wetting characteristics of hydrophility and hydrophobicity and belongs to a method for preparing surface gradient free energy materials. The method includes the electron beam evaporation coating step, the plasma processing step and the molecular self-assembly membrane preparation step, wherein firstly, the surface of a Cu plate is coated with a thin Al membrane in an evaporation coating manner through an electron beam evaporation coating machine; a sample is put into a plasma cleaning machine to be treated, and the overall hydrophility of the sample is improved; the sample is soaked into a mercaptan solution for a reaction, and then the hydrophobic copper surface and the hydrophilic aluminum surface are obtained after the sample is taken out and cleaned. By the adoption of the method, operation is easy and convenient, and preparation of the same substrate with two different wetting characteristic surfaces is achieved, so that spontaneous movement of liquid drops under the non-external-force effect can be achieved. The prepared copper substrate can be applied to the surface of a heat exchanger, and the heat exchange efficiency of the heat exchanger is improved by controlling flowing of condensate liquid drops.

The invention discloses an in-vitro cytotoxicity testing device for an anesthesia breathing pipeline and a working method of the in-vitro cytotoxicity testing device, and belongs to the technical field of medical instrument inspection. The testing device comprises a gas power control device, an in-vitro artificial lung breathing system and gas condensate water collecting equipment, wherein the gaspower control device comprises a cylinder for simulating breathing movement; the in-vitro artificial lung breathing system comprises a gas storage container; a gas bag is arranged in the gas storagecontainer; an airtight water seal device is arranged below the gas storage container; the in-vitro artificial lung breathing system is positioned in a heat insulation box body; and the gas condensatewater collecting equipment comprises a condensing pipe and a condensate liquid collecting bottle. According to the technical scheme of the embodiment of the invention, the cytotoxicity index of the gas pipeline is tested by simulating clinical actual use condition, the collected gas condensate liquid can be used for other biocompatibility testing requirements, and the biocompatibility testing problem of gas pipeline type medical instruments for anesthesia breathing is fundamentally solved.

The invention relates to a non-well underground coal gasification ignition device. The non-well underground coal gasification ignition device comprises a gas conveying pipeline, a gas guiding barrel,a combustion barrel, a first winch, a second winch, a power supply and a controller. The gas conveying pipeline is fixedly supported in a gas inlet drilling hole. The gas guiding barrel ascends, descends and slides in the gas conveying pipeline. The combustion barrel ascends, descends and slides in the gas guiding barrel. A first steel wire rope is wound on the first winch and is fixedly connectedwith the top of the gas guiding barrel. The second steel wire rope is wound on the second winch and is fixedly connected with the top of the combustion barrel. An electric spark system and solid fuelare arranged in the combustion barrel. A plurality of fire spraying assemblies are arranged on the circumference of the outer circumferential side wall of the combustion barrel in an array mode. Thepower supply is respectively and electrically connected with the controller, the electric spark system and the fire spraying assemblies. The controller is in respective signal connection with the electric spark system and the fire spraying assemblies. Combustion-supporting gas is conveyed to a coal seam roadway, a coal seam is ignited by means of the solid fuel, the ignition success rate is high,the flow direction of the combustion-supporting gas can be controlled, and the coal seam burning efficiency is higher.

The invention relates to a coarse zinc smelting furnace which comprises a vertical furnace body. Multiple layers of combustion chambers are arranged in the vertical furnace body. Each layer of combustion chamber is provided with nozzles used for injecting coal gas or air. A plurality of smelting pots are arranged in each layer of combustion chamber. Pot openings of the smelting pots are all formed in the outer wall of the vertical furnace body. Two flues are also arranged in the vertical furnace body and located at the two ends of the multiple layers of combustion chambers respectively. The two flues are communicated with the two ends of the multiple layers of combustion chambers respectively. The portions, corresponding to each layer of combustion chamber, of the two flues are each provided with a first electromagnetic valve. The upper ends of the two flues are communicated through a pipeline, and a second electromagnetic valve is arranged at the communicated position of the two flues. The second electromagnetic valve is connected with a flue gas cleaner. Compared with the prior art, the coarse zinc smelting furnace can control flue gas emission amount and purify flue gas, saves energy and is environmentally friendly.

The purpose of the present invention is to provide a slide part which is configured so that, irrespective of the magnitude of the difference between pressures at the inner and outer peripheries of a slide surface, leakage can be prevented by controlling the streak-like flow of fluid caused by cavitation generated in a recess such as a dimple formed in the slide surface. A slide part which is characterized in that a dimple is provided in one of the slide surfaces of a pair of slide parts, the slide surfaces sliding relative to each other, and in that a streak-like protrusion which has directivity is formed in the region of the dimple, the region being a region in which cavitation is formed.

The invention provides a stamping detection method for a new energy automobile battery pack upper cover. The stamping detection method comprises the following steps of S1, stretching and forming, specifically, stretching forming is conducted on a plate through a stretching die on a stretching station, in the stretching forming process, first edge pressing rib structures and second edge pressing rib structures which are not equal in height on the stretching die match and control the flowing direction of materials so as to ensure the forming quality. S2, trimming, specifically, the outer edge is punched and trimmed through a trimming die on a trimming station; S3, flanging and shaping, specifically, bending and flanging are carried out on the outer edge through a flanging and shaping die on a flanging and shaping station; s4, stamping, specifically, a stamping die on a stamping station is used for carrying out stamping treatment on a workpiece; and S5, air tightness detection, specifically, the air tightness detection is carried out on the finished product through an air tightness detection device on a detection station. According to the stamping detection method for the new energy automobile battery pack upper cover, the defects that an existing battery pack upper cover is poor in air tightness and low in machining efficiency are overcome.

The invention discloses a turbine structure using an electromagnetic bearing, and relates to the technical field of new energy power generation. The turbine structure comprises a turbine rotor I, a turbine rotor II, a bearing rotor, a bearing stator, a bearing box and a cooling structure; the turbine rotor I is fixedly connected with the turbine rotor II; the inner circle of the bearing rotor is in interference fit with the outer circle of the turbine rotor II; the bearing stator is fixed inside the bearing box; the bearing rotor is suspended by an electromagnetic force provided by the bearingstator; a cooling structure comprises a cooling gas inlet and a cooling gas collecting port which are formed on the bearing box, so that cooling gas can enter a chamber of the bearing box from the cooling gas inlet, passes through gaps among the bearing box, the bearing stator and the bearing rotor, and flows out of the cooling gas collecting port after exchanging heat with the bearing stator andthe bearing rotor; and by implementing the technical scheme, the invention aims to solve the technical problem of a high use temperature when the electromagnetic bearing is applied to high-temperature turbine equipment, and safe and stable operation of the electromagnetic bearing for the high-temperature turbine equipment can be effectively ensured.

The invention relates to the technical field of interphones as digital products, and discloses wet etching equipment of an antenna baseband for an interphone. The wet etching equipment comprises a shell, wherein a rotating shaft is movably connected to the interior of the shell, a movable plate is movably connected to the surface of the rotating shaft, a sliding rail is formed in the movable plate, a compression spring is connected to the surface of the sliding rail in a sliding mode, a hollow rod is movably connected to the lower end of the compression spring, a feed pipe is movably connectedto the right end of the hollow rod, a spoiler is movably connected to one end, which is far from the hollow rod, of the feed pipe, an adjusting tank is movably connected to one end, which is far fromthe feed pipe, of the hollow rod, spring rods are movably connected to the interior of the adjusting tank and are located on both sides of a guide rod respectively, and a clamping plate is movably connected to one end, which is far from the guide rod, of an airflow pipe. An internal flowing space is narrowed, and therefore, chemical agents in a liquid storage bag can stop flowing out by utilizingsuction airflow when the flow direction of the chemical agents on the surface of a paster is changed, so that the effect of controlling the flow direction of corrosive liquid is achieved.

The invention discloses a single-side discharger of a discharge trolley of a fixed belt conveyer, which is characterized in that a three-way hopper (3) is provided with a strip connecting plate (2); the middle of the connecting plate (2) in the length direction is hinged on the three-way hopper (3) by a connecting plate fixing frame (9); the two ends of the connecting plate (2) in the length direction are respectively provided with a chute; the protruding end of an electromotive push rod (1) is movably connected with one of the chutes; and a valve body (6) is connected with the other chute in a sliding manner. By adopting the technical scheme, rotating of the valve body can be controlled by the swinging connecting plate only by moving the electromotive push rod back and forth in a straight line, so that rotary motion of the electromotive push rod is reduced and the electromotive push rod has enough space for installation, thus ensuring the electromotive push rod to be widely applied.

The invention discloses small-scale purification equipment for biogas. The equipment comprises a main body, and a purification device is arranged in the main body; the purification device includes a purification cavity arranged on the inner left side of the main body, an extrusion plate capable of sliding left and right is arranged in the purification cavity, a filter membrane cavity is arranged in the left end surface of the extrusion plate, and a semi-permeable membrane is fixedly arranged in the filter membrane cavity; and the left end of the upper wall of the purification cavity communicates with an air inlet channel having an upward opening, the left end of the lower wall of the purification cavity communicates with a methane channel, and when the extrusion plate moves from left to right, the biogas is sucked into the purification cavity through the air inlet channel. According to the equipment, flow of the biogas is accelerated by sucking air, methane is quickly separated from the rest of waste gas by compressing the gas, the methane and the waste gas are discharged respectively, a gas flow direction is controlled by controlling opening and closing of channels for biogas inflow, methane outflow and waste-gas outflow, so that the backflow phenomenon of masonry is avoided.

The invention discloses a high-accuracy heat and moisture exchanger moisture loss tester and a working method thereof and belongs to the heat and moisture exchanger performance test technology field. The structure comprises an enclosed water storage container. An internal portion of the water storage container is provided with an expiration pipeline and a suction pipeline. The expiration pipeline is connected to an air bag simulating a human lung. The suction pipeline is connected to a heat and moisture exchanger. The water storage container is connected to an expiration outlet and a suction outlet respectively. The expiration outlet is connected to the heat and moisture exchanger. The suction outlet is connected to the air bag. The internal portion of the water storage container is provided with an automatic water supplementing apparatus. During usage, the automatic water supplementing apparatus carries out automatic water supplementing so as to maintain stabilization of a water surface height in the water storage container. In the invention, the water level height in the water storage container can be maintained to be stable so that air inlet pressure of the heat and moisture exchanger can be maintained to be stable and test accuracy can be greatly increased.

The invention provides a heat accumulation type radiant tube burner. The heat accumulation type radiant tube burner comprises an air cylinder, a reversing valve, air cavities, a radiating pipe, ignition assemblies, heat accumulators, jet discs and combustion cylinders, wherein the reversing valve is connected with the air cylinder to control the air flow direction, the air cavities are connected with the reversing valve, the radiating pipe is connected with the air cavities and comprises two opposite cavities and a connecting cavity, one ends of the two cavities are respectively connected withthe air cavities, and the other ends of the two cavities communicate through the connecting cavity; and one end of each air cavity is provided with the ignition assembly, the heat accumulator, the jet disc and the combustion cylinder, and the heat accumulators, the jet discs and the combustion cylinders are sequentially arranged in the corresponding cavities according to the direction from one ends of the cavities to the other ends. The heat accumulation type radiant tube burner solves the technical problems that the nitrogen oxide discharge amount of a heat accumulation type radiant tube burner is large, and the discharge standard is not met. The heat accumulation type radiant tube burner achieves the technical effects of realizing grading mixing of air and coal gas, achieving grading combustion, avoiding the occurrence of local high-temperature areas, effectively reducing the generation of nitrogen oxides and meeting the national emission requirements.

The invention relates to the technical field of polylactic resin production equipment, in particular to polylactic resin production equipment capable of improving tensile strength. The equipment comprises a device shell, and at least a heating melting device, a stirring device, a plugging device, a rubbing device and a sliding device are arranged in the device shell. The heating melting device comprises a heating shell, a feeding pipe is fixedly connected to the top of the heating shell, a discharging pipe is fixedly connected to one side of the bottom of the heating shell, an inclined baffle and a heating plate are fixedly connected to the interior of the heating shell, the stirring device comprises a stirring shell and a stirring mechanism arranged in the stirring shell, and the stirring mechanism comprises a rotating shaft. Two arc groove strips are symmetrically arranged on the outer side of a cylinder of the rotating shaft in a central symmetry mode, the rubbing device comprises a cylindrical rubbing barrel and a rubbing disc arranged in the rubbing barrel, and a rubbing cavity is formed in the rubbing barrel. The equipment mainly solves the problem of insufficient mixing of the polylactic resin and chemical substances for enhancing the tensile strength of the polylactic resin in the production process.

The invention discloses a novel bidirectional liquid pipe drying and filtering device for a heat pump and a manufacturing method of the novel bidirectional liquid pipe drying and filtering device. The liquid pipe drying and filtering device comprises a copper pipe and end covers; a rotary filter element body comprising a drying cylinder and locating plates is arranged in the copper pipe; the locating plates are located at two sides of the drying cylinder; a drying pipe is arranged inside the drying cylinder; negative-pressure plates are uniformly arranged at the outer side of the drying pipe; two ends of the rotary filter element body are connected with limited posts through sealing covers; and the limited posts are fixedly connected with the copper pipe through cross beams. The manufacturing method comprises the steps of 1) manufacturing the copper pipe and the end covers; 2) manufacturing and assembling the rotary filter element body; 3) assembling the rotary filter element body and the copper pipe; 4) sealing the end covers; and 5) testing the liquid pipe drying and filtering device. The manufacturing method disclosed by the invention is simple in step and convenient to mount and dismount; and not only are the sealing, drying and filtering effects of the drying and filtering device improved, but also the working stability of the whole drying and filtering device is improved, and the manufacturing process is shortened.

The invention discloses a method and a device for preparing high alloy materials by solid and liquid mixing and continuous extrusion. Molten-state metal liquid flows into an extrusion wheel groove along a guide plate; after the metal liquid flows into the wheel groove, powder is added in the metal liquid; and solid-liquid mixtures enter a mold under the effects of rotation of the extrusion wheel groove and a plug, and are accumulated in the mold to extrude out finished products. The method and the device have the advantage of stirring and crushing dendritic crystals in semi-solid-state casting, meanwhile, can prevent the defects of thick and nonuniform structures of products caused by casting to achieve the purpose of grain refining, can improve the compactness and the material yield, andmeanwhile, can shorten the metal solidification time, shorten the process flow and improve the production efficiency.

The invention discloses a water temperature cooling circulating system in a bearing part quenching water tank. The water temperature cooling circulating system comprises a holding plate, a pushing rod, a refining water tank and a refining holding disc. One side of the holding plate is connected with an outlet of a bearing machining device, the lower portion of the other side of the holding plate is connected with a waste guiding rail, and the holding plate can rise and fall and downwards overturn. The pushing rod is slidably arranged above the holding plate and can push a bearing on the holding plate. The refining water tank is arranged on the other side of the holding plate, a plurality of first water inlets are formed in one end of the refining water tank, and a plurality of first water outlets are formed in the other end of the refining water tank. The refining holding disc is arranged on the refining water tank in a rising and falling mode and can receive the bearing delivered by the holding plate, and then cooling temperature reduction is conducted in the refining water tank. According to the adopted water cooling circulating system, the structure is simple, the occupied area is small, the cooling action is strong, the cooling effect is good, and controllability is high. The water cooling circulating system enables an air cooling compressor set to achieve the water circulating temperature reduction function. A partition baffle is arranged in a constant-temperature water tank, and the situation that water of the whole water tank needs to be heated before work starting every time can be avoided.

The invention provides a stamping system for the upper cover of a battery pack of a new energy vehicle, which includes a stretching station, a trimming station, a flanging shaping station and a punching station arranged in sequence, and the four stations are respectively arranged correspondingly There are stretching dies, trimming dies, flanging shaping dies and punching dies; during production, stretch forming, outer edge punching and trimming, outer edge bending and flanging, and punching are performed on the sheet to be processed in sequence; The outer ring of the die of the drawing die is provided with a first bead structure of unequal height, the outer ring of the punch of the drawing die is provided with a second bead structure, and the first bead structure is the same as the first bead structure The above-mentioned second bead structure cooperates to control the material flow direction to prevent cracking and wrinkling; a stamping system for the upper cover of a new energy vehicle battery pack provided by the present invention adopts four stations and corresponding four molds, which can The product is stamped and formed at one time, and its airtightness is good, which can meet the airtightness requirements of the product.

The invention relates to the field of fluid control, in particular to a diaphragm structure and a leak valve. The diaphragm structure comprises a diaphragm body. A mounting hole is formed in the diaphragm body. An overhanging beam valve plate is arranged in the mounting hole and comprises a valve plate body and overhanging beams. The valve plate body is arranged in the mounting hole through the overhanging beams. By adopting the overhanging beam valve plate, the valve plate body is planar, the valve plate body makes planar contact with air vents, different from line contact in the prior art, during working, under the effect of a pressure difference, the valve plate body translates up and down on the whole, the stability is high, the reverse blocking capability is high, the discharge capacity is high, the problems that a leak valve in the prior art is poor in reverse blocking capability and poor in discharge capacity are solved, and no high-pressure cut-off occurs.