19results about How to "Control flow speed" patented technology

The invention relates to the technical field of vacuum welding, and discloses high-precision automatic mechanical welding equipment in a vacuum environment, which comprises an equipment shell, a supporting seat is arranged at the center position of the bottom of the equipment shell, a static tool seat is fixed at the upper end of the supporting seat, a movable tool seat is movably arranged right above the static tool seat, and the movable tool seat is movably arranged right above the static tool seat. A lead screw is rotationally arranged at the upper end of the edge of the static tool seat, a lead screw thread is arranged in the middle of the lead screw, the lower end of the lead screw is fixed to the inner layer of the static tool seat through a first bearing seat, and the upper end of the lead screw is fixed to the top of the equipment shell through a first bearing seat. A third servo motor is started, through a series of transmission, a coaxial walking gear is driven to move on a gear rail, the whole welding feeding seat is driven to do uniform-speed circular motion around an annular rail, accordingly, a welding flux guide pipe is made to evenly conduct injection welding along the outer edge of a welding seam by a circle, the uniformity is higher, the welding quality is improved, and the welding efficiency is improved. And automatic feeding is achieved, and time and labor are saved.

The utility model discloses a closed underground heat exchange hole well bore structure which effectively solves the problems that the heat exchange efficiency of a single circulation loop is low, and the utilization rate of heat energy in a middle-deep layer is limited. Which comprises a vertical well vertically extending downwards from the ground, and is characterized in that a heat preservation pipe is arranged in the vertical well, a packer is arranged at the bottom of the heat preservation pipe and divides the vertical well into an upper well part and a lower well part which are separated from each other, an inclined well located below the ground is arranged on one side of the vertical well, and the inclined well is arranged in the vertical well. The inclined well is divided into an inclined part and a vertical part, and one end of the inclined part is communicated with the upper well part; the second horizontal well is ingenious in structure and convenient to use, the problem that water flow among a plurality of second horizontal wells flows slowly is solved through the arrangement of the guide assembly and the like, the flowing speed of liquid media in the second horizontal wells is controlled by adjusting the positions of the guide arc pieces, meanwhile, the guide arc pieces can be adjusted according to different use requirements, and the service life of the second horizontal wells is prolonged. And adjustment of the flowing speed of liquid in the second horizontal well is achieved.

The utility model relates to the technical field of tobacco curing, and discloses a tobacco curing device capable of adjusting air and humidity, which comprises a curing barn assembly, a heating assembly, an air adjusting assembly and a circulating air assembly, the curing barn assembly comprises a curing barn, and a curing cavity is arranged in the curing barn; the heating assembly is arranged in the baking cavity; the air adjusting assembly comprises a first air uniformizing plate and a plurality of air adjusting plates, the first air uniformizing plate is arranged in the baking cavity, a first air uniformizing cavity is defined by the first air uniformizing plate and the bottom of the baking cavity, a plurality of first air uniformizing holes are formed in the first air uniformizing plate, the first air uniformizing holes communicate with the baking cavity and the first air uniformizing cavity, and the air adjusting plates are arranged above the first air uniformizing plate; the rack is rotatably connected with the curing barn; the circulating air assembly comprises a fan, the air inlet end of the fan communicates with the baking cavity, and the air outlet end of the fan communicates with the first air uniformizing cavity. The tobacco baking device can effectively bake tobacco leaves.

This application discloses a block asphalt crushing and impurity removal device, comprising: a feeding frame, a crushing mechanism installed on the upper side of the feeding frame to crush the incoming block asphalt, and a connecting discharge mechanism on the lower side of the crushing mechanism to receive the crushed particles; a discharge frame connected to one side of the feeding frame, and a filter cylinder installed on the inner side of the discharge frame; a first discharge port on the lower side of the discharge frame, and a second discharge port on the lower side of the filter cylinder, located at the lower end of the discharge frame, to discharge small asphalt particles. This application has at least the following advantages: the tilt angle adjustment mechanism can dynamically adjust the tilt angle of the filter cylinder, thereby controlling the material flow rate, adapting to different feed rates and screening requirements, and ensuring stable screening results; by optimizing the combined design of the crushing mechanism and the filter cylinder, rapid crushing of block asphalt and efficient removal of impurities are achieved, improving overall processing efficiency.

The utility model discloses an operating room blood transfusion and transfusion nursing device, which belongs to the technical field of medical instruments and comprises a base, moving wheels are fixedly connected to the periphery of the bottom end of the base, a fixing component is mounted at the top end of the base, a supporting column is fixedly connected to the upper surface of the base, and a transfusion support is fixedly connected to the top end of the supporting column. A storage bottle is arranged in an inner cavity of the infusion support, the bottom end of the storage bottle is communicated with a first infusion tube, the other end of the first infusion tube is communicated with a transparent infusion bottle, a flow speed alarm device is installed on the outer side wall of the transparent infusion bottle, and a flow speed control mechanism is installed on the outer side wall of a second infusion tube. A liquid level sensor is installed in the storage bottle, so that the phenomenon that infusion is interrupted due to the fact that the height of liquid in the storage bottle is low is avoided, the stability of the blood transfusion and infusion nursing device during infusion is improved, the phenomena of too fast infusion and too slow infusion are avoided, and the treatment efficiency of the blood transfusion and infusion nursing device is improved.

The utility model discloses a recycling device for gas station sewage treatment, which belongs to the technical field of sewage treatment and comprises a base, a treatment cylinder is fixedly connected above the base, a fixing plate is fixedly connected to one side of the base, a feeding pipe is fixedly connected to the outside of the treatment cylinder, a turntable is arranged on one side of the fixing plate, and a discharging pipe is arranged on the other side of the turntable. An auxiliary structure is arranged in the rotating disc, the auxiliary structure is in lap joint with the feeding pipe, the auxiliary structure is in lap joint with the limiting pipe, and a motor is arranged in the fixing plate. According to the sewage treatment device, the rotating disc, the auxiliary structure, the limiting pipe and the feeding pipe are arranged, flowing sewage can be filtered through cooperation of the motor, the auxiliary structure and the rotating disc, and filtered impurities can be left in the filter cylinder through closing and unfolding of the first rotating shaft and the second rotating shaft; the impurities in the filter cartridge can be conveniently and independently treated subsequently, so that the phenomenon of blockage caused by excessive accumulation of the impurities is avoided, and the flexibility of the recycling device is guaranteed.

The utility model provides a convenient capillary tube connector, which belongs to the technical field of connectors and comprises a first main body, a flow blocking cavity is arranged in the first main body, a flow blocking component is arranged in the flow blocking cavity and comprises a flow blocking plate, the flow blocking plate is arranged in the flow blocking cavity, a connecting piece is arranged at the top of the flow blocking plate, and two groups of clamping grooves are respectively arranged on two sides of the connecting piece. Four groups of buckle bases are arranged at the top of the first main body, two groups of rotatable buckles are respectively connected among the four groups of buckle bases through two groups of shaft pins, one sides of the two groups of buckles are respectively clamped in the two groups of clamping grooves, a second main body is arranged on one side of the first main body, and a fixing assembly for fixing a capillary tube is arranged at one end of the second main body; through the fixing assembly, the capillary tube can be effectively fixed, the fixing effect is improved, and the capillary tube fixing device can adapt to capillary tubes of different models; meanwhile, due to the arrangement of the flow choking assembly, a user can adjust the flow speed of liquid in the flow choking cavity more easily, and convenience is improved.

The device comprises a breathing machine connecting pipe, a branch pipe is fixedly connected to the interior of the breathing machine connecting pipe, a long hose is fixedly connected to the end, away from the breathing machine connecting pipe, of the branch pipe, and a fixing head is fixedly connected to the end, away from the branch pipe, of the long hose. A protective shell is clamped to the end, away from the long hose, of the fixing head, side wings are fixedly connected to the outer surface of the fixing head, and an adjusting mechanism is arranged outside the long hose. By means of the structure, the numerical value of the scale strip at the current position is observed through the magnifying lens in the adjusting mechanism, then the extruded degree of the long hose is strictly adjusted and controlled, the flowing speed of medicine is controlled, the treatment precision is improved, a rotating sleeve can be screwed off through a threaded rod, then a sliding plate is detached, repeated use can be achieved after disinfection, and the treatment cost is reduced. Therefore, the waste of materials in the treatment process is reduced, and the medical cost of the patient is reduced.

The utility model relates to the technical field of quantitative packaging, in particular to powdery material quantitative packaging equipment which comprises an installation base and a supporting assembly, a material storage box is arranged in the middle of the top end of the installation base, the supporting assembly is arranged in the installation base, two sets of material distribution boxes are arranged on the supporting assembly, and a notch is formed in one end of each material distribution box. Sealing pieces are arranged at a notch of the material distribution box, the two sealing pieces are arranged in a through groove of the mounting base and are in contact connection, a threaded rod is arranged at a threaded hole of the material distribution box, a blocking piece is arranged on the threaded rod and is arranged in a working cavity of the material distribution box, and the driving assembly is arranged in the mounting base. The driving assembly is used for providing overturning power for the two groups of material distribution boxes; quantification is accurate during packaging, and meanwhile the automation degree is high.

The invention discloses a three-sleeve millichannel reactor which comprises a reaction unit, a reaction liquid supply unit and a constant-temperature liquid supply unit, the reaction unit comprises a first pipe body, a second pipe body and a third pipe body which are sequentially sleeved from inside to outside; the outer wall of the first pipe body and the inner wall of the second pipe body form a first annular space; the outer wall of the second pipe body and the inner wall of the third pipe body form a second annular space; the reaction liquid supply unit and a liquid inlet of the first annular space can be connected and disconnected, and the constant-temperature liquid supply unit and a liquid inlet of the second annular space can be connected and disconnected; a first turbulent flow assembly is arranged in the first annular space, and a second turbulent flow assembly is arranged at a liquid inlet of the first annular space; the second turbulent flow assembly comprises a first channel and a second channel; the first channel is communicated with the first pipe body, and the second channel is communicated with the first annular space. According to the reactor, through the design of the multi-layer sleeve structure, the turbulent flow assembly and the liquid inlet, the mixing uniformity degree of reactants in the first annular space is promoted, and a powerful guarantee is provided for efficient chemical reaction.

The utility model relates to a first-class standard metal measuring vessel which structurally comprises a measuring vessel body and supporting legs arranged on the lower portion of the measuring vessel body, an overflow liquid collecting container and an overflow short pipe are arranged at the upper end of the measuring vessel body, and the overflow short pipe is vertically arranged in the overflow liquid collecting container. A container overflow pipe is arranged at the upper part of the overflow collecting container, a container liquid discharge pipe is arranged at the lower part of the overflow collecting container, and a container liquid discharge valve is arranged on the container liquid discharge pipe; the lower end of the measuring vessel main body is connected with a liquid inlet valve and a liquid outlet valve; a liquid level slow-descending container is connected to the upper portion of the overflow short pipe in a penetrating mode, a slow-descending liquid outlet is formed in the bottom of the liquid level slow-descending container, and the upper end of the overflow short pipe is lower than the upper end of the liquid level slow-descending container. Through the liquid level slow-descending container and the flow speed adjusting device, the flowing speed of liquid is effectively controlled, the liquid level is kept stable in the liquid level slow-descending container, and the problem that the liquid level is unstable due to interference of factors such as turbulent flow and vortex in the overflowing liquid collecting container is solved.

The utility model discloses a detachable concrete pouring tumbling barrel, belongs to the technical field of building construction, mainly aims at solving the problem that an existing concrete pouring tumbling barrel is inconvenient to detach, adjust the height and clean, and adopts the technical scheme that the detachable concrete pouring tumbling barrel comprises a mounting plate, a steel pipe is mounted at one end of an adjusting pipe, and a funnel is mounted at one end of the steel pipe; the top of the funnel is sleeved with the pressurized water sprayer, a water tank is formed in the top of the pressurized water sprayer, multiple sets of water spraying holes are formed in the bottom of the water tank, a water supply port is formed in one side of the pressurized water sprayer and connected with external water supply equipment, and threads are arranged at the two ends of the steel pipe. The adjusting pipe and the steel pipe are detachably connected through one set of threaded flanges, the funnel is detachably installed at one end of the other set of threaded flanges, the adjusting pipe, the steel pipe and the funnel are detachably connected through the threaded flanges, and the problem that an existing concrete pouring tumbling barrel is inconvenient to disassemble is solved.

The present invention relates to the technical field of charging pile cables, and specifically, to a method for manufacturing a reinforced torsion-resistant charging pile cable. It includes the following steps: S1, raw material preparation: select high-purity copper or aluminum as a conductor material, and select high-quality insulating materials; S2, mixed extrusion: start the extrusion equipment to crush the raw materials first, then fuse and stir the crushed raw materials, and then extrude the stirred raw materials into two layers of insulation; in the method for manufacturing the reinforced torsion-resistant charging pile cable, the fluidity of the raw materials is effectively increased by using the combination of a fusion component and a free-flow component, which enables various raw material components to be fully fused in a short time, saving time and production costs, and can also timely and efficiently discharge the gas in the raw materials, ensuring the density and high quality of the final product, and improving the torsion resistance of the charging pile cable production, thereby increasing the service life of the charging pile cable.

This utility model provides a suspension structure for a mining dump truck, including a suspension cylinder assembly disposed between the vehicle frame and the axle, and a pair of accumulators disposed on both sides of the frame. The suspension cylinder assembly includes a front axle cylinder disposed between the front axle and the frame, and at least two pairs of rear axle cylinders disposed between the rear axle and the frame. The number of rear axles corresponds to the number of rear axle cylinders. The rear axle cylinders and the accumulators disposed on the same side are connected to the oil chambers of the accumulators through accumulator valve blocks. The oil chambers of the accumulators on both sides are connected through hydraulic pipelines. This utility model achieves balance of cylinder extension and contraction on one side by setting accumulators that are only connected to the rear axle cylinders. By connecting the left and right accumulators, it maintains the balance of the frame under uneven loading conditions, avoiding the tilting of the truck body under uneven loading, reducing the probability of rollover accidents, and improving transportation safety.

The invention belongs to the technical field of beverage extraction equipment, and particularly provides a centrifugal extractor. The centrifugal extractor comprises a liquid storage container, a driving device, a filtering container, a gland and a water injection container. And the driving device and the liquid storage container are relatively fixed. The filtering container is arranged in the liquid storage container and is in driving connection with the driving device so as to extract a to-be-extracted object placed in the filtering container in a centrifugal manner. The gland is fixed relative to the filtering container and comprises a bottom small-diameter section located in the filtering container, and a plurality of water inlet holes are formed in the circumferential wall of the bottom small-diameter section. The water injection container is fixed relative to the liquid storage container and comprises a water injection part inserted into the small-diameter section of the bottom, a plurality of water injection holes are formed in the peripheral wall of the water injection part, so that liquid in the water injection container flows out through the water injection holes, and the forward-rotating gland sucks the liquid flowing out of the water injection holes through the water inlet hole; and the liquid is thrown to an object to be extracted under the action of centrifugal force.

The utility model relates to the technical field of drying devices, in particular to a drying device for zinc oxide preparation. According to the technical scheme, the drying device comprises a shell, a top cover is arranged at the top of the shell, a feeding pipe is arranged on the top cover, a base is arranged at the bottom of the shell, the drying device further comprises a drying assembly, one end of an air inlet pipe is communicated with the feeding pipe, a discharging pipe is fixedly installed at the bottom of the base, and an adjusting assembly capable of adjusting the inner diameter of the discharging pipe is arranged in the discharging pipe. Zinc oxide particles are scattered to make full contact with hot air entering the drying cylinder, and the drying efficiency of the drying cylinder is improved; and meanwhile, a discharging channel of the discharging pipe can be adjusted through a handle, an arc-shaped groove, a rectangular plate, a rubber pad, a connecting rod and a through hole, and the situation that the discharging pipe is blocked due to the fact that the material flowing speed is too high is avoided.

The invention relates to the technical field of aviation aircraft parts, in particular to a titanium alloy shell part forming method which comprises the following steps: S1, primary heating and heat preservation; s2, primary upsetting is carried out; s3, lubrication is conducted; s4, secondary heating and heat preservation; s5, secondary upsetting is conducted, specifically, backward extrusion and punching are conducted before secondary upsetting; according to the method, the backward extrusion technology is carried out before secondary upsetting, the size of the obtained forge piece is smaller than the diameter of an existing backward extrusion forge piece, the height of the obtained forge piece is larger than that of the existing backward extrusion forge piece, the shape and size precision of the forge piece is improved, metal materials are saved, and the mechanical performance of the parts is improved due to the fact that metal fiber streamlines are profiling. The device has the characteristics of high efficiency, high quality and low energy consumption, and has very high use value in technology and economy.

This utility model discloses a wellhead crude oil heating and temperature control device for preventing freezing and condensation, specifically relating to the field of wellhead crude oil heating. It includes a base plate, a heating component fixedly connected to the middle of the upper part of the base plate, a filter component fixedly connected to the upper surface of the inner surface of the heating component, a stirring component rotatably connected to the lower side of the heating component, and a feed pipe fixedly connected to the upper end of the heating component. The heating component includes a double-layer heating tank fixedly connected to the upper part of the base plate. This utility model, through its designed heating component, can maintain a constant temperature for wellhead crude oil via the heating tank. Simultaneously, a guide plate controls the flow rate of the wellhead crude oil, preventing excessive flow rate from causing damage to the next stage component and delaying the residence time of the wellhead crude oil in the double-layer heating tank. This allows the crude oil to more fully absorb heat from the double-layer tank, improving heating uniformity and enhancing the antifreeze and anti-condensation effect.

The utility model relates to the technical field of transmitters, in particular to a high-precision pressure liquid level transmitter with a temperature adjusting function, which comprises an adjusting mechanism, a limiting mechanism is arranged on the bottom side of the adjusting mechanism, the adjusting mechanism comprises a connecting pipe, a baffle is arranged in the connecting pipe, and a temperature sensor is arranged on the baffle. According to the high-precision pressure liquid level transmitter with the temperature adjustment function, liquid flows into the connecting pipe, the multiple baffles are arranged in the connecting pipe, the heating pieces are arranged in the baffles, and therefore the temperature of the heating pieces is increased in the mode that the baffles are installed in a staggered mode, and the temperature of the liquid flows into the connecting pipe. The interlayer is arranged on the inner wall of the solution cavity, and cooling liquid is poured into the interlayer, so that heat of the liquid can be absorbed by the cooling liquid in the interlayer when the liquid passes through the solution cavity in summer, and the heat of the liquid can be absorbed by the cooling liquid in the interlayer; and the temperature of the liquid is regulated and controlled according to different seasons.