71results about How to "Reasonable flow" patented technology

The invention discloses a method and device for laser pulse and electromagnetic pulse composite forming of a metal sheet and relates to the technical field of processing and manufacturing fastening holes. The head part of an energy absorption rod (10) is a conical surface; a high-power pulse laser outputs an annular laser pulse (8) by means of a light spot regulator (15); the annular laser pulse (8) accommodates the tip part of the conical surface on the head part of the energy absorption rod (10) in a hollow part of a laser beam, and meanwhile, the annular laser pulse (8) is acted on the conical surface on the head part of the energy absorption rod (10) to induce plasma (17) to explode and generate impact waves acted on the internal walls of the fastening holes, so that the fastening holes are strengthened. The method and the device are suitable for strengthening the fastening holes with small diameter; the hollow part of the annular laser pulse (8) keeps away from the tip part of the conical surface of the energy absorption rod (10), so that the energy absorption rod (10) is difficult to damage, which is beneficial to continuously working and achieving a good strengthening effect.

The invention discloses a device and method for producing clean fuel gas and biomass charcoal through continuous biomass carbonization. The device mainly comprises a raw material conveying unit, a biomass boiler, a biomass drying unit, a biomass carbonization unit, a catalytic cracking unit, a biomass charcoal storage unit and a biomass gas storage unit. High temperature flue gas generated by the biomass boiler provides heat for the biomass carbonization unit, after sufficient heat exchange is conducted with the biomass carbonization unit, the flue gas provides heat for the biomass drying unit, dried biomass enters the biomass carbonization unit for carbonization, and biomass generated after carbonization enters the biomass charcoal storage unit; biomass fuel gas generated by the biomass carbonization unit enters the catalytic cracking unit to remove tar, and after entering the biomass drying unit to provide heat and conducting sufficient heat exchange with the biomass drying unit, clean fuel gas enters the biomass gas storage unit. The device is compact in process structure, reasonable in material and heat flow direction, environmentally friendly in product, great in controllability and suitable for energy using requirements of villages and towns in China.

The invention provides a method for producing H-steel by chopping and rolling slabs with universal mills. The method comprises the following steps: firstly, a suitable slab is selected; then the slab is heated, is conveyed in front of a universal mill group through a roller bed, and is fed into the universal mills; each universal mill is of a hole-type structure formed by up-down horizontal rolls and left-right vertical rolls, wherein the up-down horizontal rolls are driving rolls, and the left-right vertical rolls are driven rolls; the up-down horizontal rolls first grab the slab and then drive the slab to pass through the powerless left-right vertical rolls; the left-right vertical rolls are provided with convex roll rings for cutting the slab; the slab is subjected to multiple steps of rolling of the multiple universal mills; and the angles of the roll rings of the vertical rolls of each universal mill are changed sequentially, so that the slab is milled into an intermediate blank of H-steel. The slab is clamped by the up-down horizontal rolls, so that the problem of cutting instability does not exist; blanks with small thickness can be cut; in a chopping and cutting process of the vertical rolls, along with the pressing of the horizontal rolls, the thickness at the waist part of the rolled slab is reduced at the same time; the extension coefficients of the whole rolled slab tend to be uniform; the internal stress is small; and the quality of products is high.

The invention discloses an arch aorta covered stent which comprises supporting bodies, barbs, an outer connecting wire, a covered film and an inner connecting wire. The multiple connecting bodies arearranged, the supporting bodies and the inner and outer connecting wires are connected at certain intervals, the outer connecting wire and the inner connecting wire are arranged in an S shape, the stent has the good flexibility in the implantation process, a developing piece is stuck to the outer connecting wire of the stent, surgical observation and positioning are facilitated, and the arch portion can be bent to form a certain angle so as to adapt to different positions and meet individual requirements.

The invention relates to a roll pass used to roll a special wide steel band, which belongs to the steel rolling technical field. A roll comprises an upper roll and a lower roll of a final stand of a strip mill, the roll pass of the upper roll or the lower roll is of a long narrow rectangle, and lug bosses of the upper edge or the lower edge of the rectangle are arranged equidistantly. The special wide steel band which meets the requirement can be rolled through the roll pass, and the size and the service performance meet the requirement; and the steel band rolled by the roll pass has reasonable metal flow, good strip shape, and no surface defects.

The invention discloses a catenary-chain type cross-linked cable production die and a production method, and belongs to the technical field of wire and cable manufacturing. The die comprises a basic die body, and the interior of the basic die body is provided with a wire-bearing circular hole and an incoming wire tapered hole. The die also comprises a first inner die body and a second inner die body, wherein the inner die bodies are in an integrated structure. The first inner die body is disposed in the basic die body in a sleeved manner, and the second inner die body is disposed in the first inner die body in a sleeve manner. One end of the first inner die body and one end of the second inner die body are respectively provided with a first incoming wire hole and a second incoming wire hole, and the other ends of the first and second inner die bodies are respectively provided with a first bushing and a second bushing. The conical degree of the first incoming wire hole is consistent with the conical degree of the incoming wire tapered hole. The conical degree of the second incoming wire hole is consistent with the conical degree of the first incoming wire hole. The production method needs to produce different types of cable conductors, and enables the corresponding first inner die body to be inserted into the basic die body or enables the second inner die body to be inserted into the first inner die body. The die and method are quick and convenient in die replacement, improve the production efficiency, and achieve the continuous production of adjacent types of conductors.

The invention discloses a gas filter. The gas filter comprises a supporting frame and a filtering part, wherein the supporting frame has a cylindrical frame structure; the filtering part is a filtering material layer distributed around the outer wall of the cylindrical frame structure; in the two ends which are positioned on the axis of the supporting frame, one end is an inlet end and the other end is provided with a blind plate; a gap is reserved between the outer wall of the filtering material layer and the inner wall of a gas pipeline; gas which needs to be filtered enters the supporting frame from the inlet end, flows through the filtering material layer, enters the gap between the outer wall of the filtering material layer and the inner wall of the gas pipeline, and then is output through the gas pipeline; the filtering material layer comprises glass fibers subjected to pretreatment; and the pretreatment comprises the steps of: soaking the glass fibers into mixed solution of dimethylbenzene and silicone oil for 20 to 240 minutes and taking the glass fibers out and drying in the air. The gas filter has the advantages that: the flow direction of the gas in the filter is reasonable; and after the glass fibers with the main filtering effect are modified through the pretreatment, the flexibility of the modified glass fibers is improved, and the filtering effect is good.

The invention discloses a multifunctional trash recycling device based on wet dust extraction in the technical field of cleaning vehicles. The device comprises a frame, a bin body, a dust suction pipe and an upper suction chamber located on the upper portion of a bin body inner cavity; a pair of screen-shaped filter net plates are arranged on the upper suction chamber, and are arranged in a bilateral symmetry manner with the dust outlet segment of the dust suction pipe as the standard, the device further comprises a pair of side suction bins arranged on the left side and the right side of the bin body, and the device further comprises a mounting chamber arranged on the lower side of the bin body and used for mounting of a negative pressure draught fan and an exhaust chamber for guiding airflow to the outer air; the airflow passes through the bin body and is divided into two flow directions and is subject to flow dividing in the side suction bins, in the flow dividing process, most part of dust and sewage are thoroughly removed, the airflow direction is reasonable, and the sewage is prevented from entering the mounting chamber to pollute the negative pressure draught fan.

The invention discloses an intelligent driving camera view area windshield demisting system and a vehicle. The system comprises a power supply module, a detection module, a control module, a driving module, a heating module and an air blowing module, wherein the power supply module is connected with the control module and the driving module; the detection module is connected with the control module; the driving module is respectively connected with the control module, the heating module and the air blowing module; the control module is configured to receive the image information collected by the detection module in real time in response to the situation that the whole vehicle is powered on or the vehicle is started, judge whether the visual field of the camera is shielded or not based on the image information, and judge whether the visual field of the camera is shielded by fogging of in-vehicle glass or dirt of out-vehicle glass if it is detected that the visual field of the camera is shielded; if the visual field of the camera is shielded by the dirt of the out-vehicle glass, cleaning the dirt through a windscreen wiper; and if the visual field of the camera is shielded by fogging of the in-vehicle glass, starting the heating module and the air blowing module for defogging. The problem that the visual field area of the camera is shielded is solved.

The invention provides a cleaning and drying device and method and a harvester. The cleaning and drying device comprises an energy conversion device, an electric energy collecting and processing system, an electric energy flow direction control system, a storage battery, a vibrating screen heating device, a supporting device and a vibrating screen bearing rolling guide rail. The energy conversiondevice is used for converting pressure energy generated by reciprocating motion of a vibrating screen body into electric energy. The electric energy collecting and processing system is used for collecting the electric energy generated by the energy conversion device. The electric energy flow direction control system is used for judging whether the electric energy is used for charging the storage battery or for working of the vibrating screen heating device or not according to the SOC value of the storage battery and the actual working current of the vibrating screen heating device and whetherthe storage battery is used for providing electric energy for the vibrating screen heating device or not. Recycling and utilization of reciprocating motion energy of the vibrating screen are achieved,the collected energy is used for rice drying during cleaning of the cleaning device and charging of a vehicle-mounted storage battery, unnecessary energy waste in the cleaning process is reduced, andthe energy utilization and conversion efficiency is effectively improved.

The invention discloses an oil path structure of a side sucking type range hood. The oil path structure mainly comprises a range hood body and a panel. The range hood body is provided with the panel.The lower end of the inner side edge of the panel is of a special-shaped structure which is a notch structure. An air deflector assembly is arranged at the middle portion of the panel. The lower portion of the air deflector assembly is provided with an extending part from the exterior of the panel to the interior of the panel. The left side and the right side of the extending part are located at the lower portion of the notch structure, and an oil path channel is formed through the notch structure, the extending part towards the interior of the range hood body on the lower side of the air deflector assembly and the interior of the range hood body. According to the structure, an oil path is more reasonable, and glass front face sagging is avoided.

The invention provides an evanescent mode casting technology method for a lightweight balance shaft beam. Specifically, firstly, according to the structural design of the lightweight balance shaft beam, connecting supports, thrust rod supports and the beam are of an integral structure cast and formed at a time, and a weight reduction structure is arranged; secondly, according to the design of a pouring system, a cross pouring gate and a straight pouring gate are connected, a pouring cup is arranged on the top of the straight pouring gate, three inner sprues are connected to the bottom of the cross pouring gate and connected with a product model, four slag collecting bags are divided into two groups arranged at the two ends of the product model, and chilling blocks are arranged at the positions, corresponding to the thrust rod supports, on the product model; thirdly, box embedding modeling is conducted; and fourthly, pouring is conducted. By means of the evanescent mode casting technology method, the pouring system is simple and compact in structure, modeling is convenient, a cavity is easily filled with molten metal, the defect that the impact resisting capability of existing balance shaft beams is commonly poor is overcome, and the purpose of casting of the integral structure is achieved.

The invention discloses an interactive training curriculum management system which comprises an intelligent terminal, a data server, a network server and a cabinet. The cabinet comprises a cabinet body, at least two separating plates, an air inlet, a flow deflector, an air outlet, air outgoing holes and at least one wireless temperature sensor, wherein the cabinet body comprises a front door plate, a rear door plate, a top plate, a bottom plate, a left side plate and a right side plate; the separating plates are arranged in the cabinet body horizontally, and are separated from the front door plate for certain distance to form a cold air cavity; the air inlet is arranged in the base plate and communicates with the cold air cavity correspondingly, and is provided with a sliding cover plate; the flow deflector is arranged over the air inlet, one end of the flow deflector is connected to the side, close to the front door plate, of the bottommost separating plate, and the other end of the flow deflector is connected to the side, close to the rear door plate, of the air inlet; the air outlet is arranged in the top plate; the air outgoing holes are arranged in the rear door plate; and the wireless temperature sensor is mounted in the bottom side of the separating plate. According to the interactive training curriculum management system of the invention, the cabinet realizes cooling in a downward blowing manner, and the energy utilization efficiency can be improved effectively.

The invention discloses a novel aluminum alloy mixing pin comprising a tapered pin body. The tapered face of the tapered pin body is provided with a plurality of spiral lines. The tapered face of the tapered pin body is evenly provided with three straight-face edges and three taper-face edges; the taper-face edges are provided with spiral lines in different spiral directions, respectively, including a rightward spiral line, a leftward spiral line and a circular spiral line. The novel aluminum alloy mixing pin has the advantages that welding thickness is increased from original 40mm to existing 80mm, the welding thickness is increased by 100%, frictional heat is more evenly distributed through changes in the structure of the pin, material flow is more reasonable, and weld quality is better.

The invention discloses a pushing device for an injection molding machine and an injection molding system thereof. The pushing device comprises a pushing barrel and a storage barrel, a pushing plate is slidably connected into the pushing barrel, a rotating rod movably penetrates through the interior of the pushing plate, a plurality of heating plates are fixedly connected to the rotating rod, a heat transfer assembly comprises a gas conveying pipe, a heat exchange agent circulating pump and a liquid return pipe which are sequentially communicated, a heating groove channel is communicated between the rotating rod and the heating plates, the two ends of the heating groove channel communicate with the gas conveying pipe and the liquid return pipe through communicating rings correspondingly, elastic sealing layers are fixedly connected into the heating plates, and a rotating blade and a stirring blade are fixedly connected to the two ends of a rotating shaft. When the pushing device is used, the heating plates are driven through the pushing plate and the rotating rod to rotate, a heat exchange agent is heated through a heating piece arranged in the storage barrel, and the heat transfer efficiency and the uniform heating effect are further improved through cooperation of the elastic sealing layers, the rotating shaft, a half-barrel assembly and other structures.