18 results about "Drop tube" patented technology

The invention discloses a drop tube metal microdroplet deposition device and method for simulating a space environment. The device comprises a drop tube; a metal microdroplet nozzle is mounted at the top of the drop tube, a composite substrate is arranged below the metal microdroplet nozzle, a replaceable tested substrate is arranged in the middle of the composite substrate, and two ends of the composite substrate are matched with a release mechanism arranged on the inner wall of the drop tube; a transparent window is arranged on the side wall of the drop tube below the composite substrate, and an image collecting device is arranged on one side of the window; when the metal liquid drops of the experimental metal material start to fall off from the metal micro-drop spray head, controlling the release mechanism to release the composite substrate after a preset time; the metal liquid drops and the composite substrate are pursued and contacted in a weightlessness falling state, are captured and recorded by the image acquisition device through the window, and then are transmitted to the upper computer for subsequent analysis. The technical problem that in the prior art, the contact solidification process of the metal liquid drops and the substrate in the space microgravity environment cannot be truly simulated on the ground is solved.

The utility model provides a self-exhausting and self-liquid-stopping drip chamber which comprises a hollow drip chamber body, a liquid inlet drip tube is arranged at the top of the drip chamber body, and a liquid outlet tube is arranged at the bottom of the drip chamber body. A part of the liquid inlet dropper extends into the drip chamber body; a cylindrical exhaust guide cylinder communicated with the liquid outlet pipe is fixedly arranged at the bottom in the drip chamber body, the top end of the exhaust guide cylinder is covered with a cap for sealing the top end of the exhaust guide cylinder, and at least one vertical liquid inlet exhaust gap is formed in the side face of the exhaust guide cylinder; a floating body is arranged in the exhaust guide cylinder, the lower portion of the floating body is provided with a covering face covering the top end of the liquid outlet pipe, and the floating body can move back and forth in the exhaust guide cylinder according to the buoyancy of the liquid medicine. According to the self-exhausting and self-liquid-stopping drip chamber, the floating body capable of covering the top end of the liquid outlet pipe is arranged in the exhausting guide cylinder, the stable self-exhausting and self-liquid-stopping functions are achieved, and automatic assembly with stable quality can be achieved.

The utility model relates to a kind of wind sending impact powder removal device.The powder removal device includes main body air pipe, one end of main body air pipe is equipped with air inlet, the other end is blind end, and main body air pipe is equipped with feeding port and air guide dust outlet.Main body air pipe is equipped with bulk material screen in the inner chamber in the lower of feeding port, and is equipped with powder removal net in the lower of air guide dust outlet, and main body air pipe is equipped with drop tube at powder removal net place.Molecular sieve to be removed powder enters from feeding port, and falls on bulk material screen and is dispersed, to avoid the accumulation of molecular sieve, and in this process, dust floating on the surface of molecular sieve will partially fall off.Molecular sieve that continues to move with wind will directly impact on powder removal net, dust floating on the surface of molecular sieve will fall off in the process of impact, and the dust that falls off is discharged from air guide dust outlet with wind, and molecular sieve falls into drop tube below under the action of gravity.Through the mode of wind blowing and impact, dust floating on the surface of molecular sieve particle can be effectively made to fall off, and the surface quality of molecular sieve particle is improved.

The utility model relates to fertilizing device technical field especially, it relates to a kind of fertilizing device with adjustable fertilizing quantity, including the vehicle body with the storage tank of fixed frame, the eccentric drop opening of eccentricity is established in the bottom of storage tank;The bottom of storage tank is installed with the quantity adjusting component, locking component is installed on storage tank, when any one drop tube rotates to with the eccentric drop opening coaxial arrangement locking component lock chassis.This fertilizing device with adjustable fertilizing quantity provided by the utility model can select drop tube with different aperture by rotating chassis, without disassembling component, can quickly adjust fertilizing quantity, significantly improve operating efficiency, the ball in the arc undulating sleeve and locking component are mutually matched, ensure that drop tube and eccentric drop opening are accurately aligned, avoid misplacement problem in fertilizing process.

A device may include a seed hopper fluidly connected to a seed meter, the seed meter may comprise: a fluted roller, a follower, the follower including one or more brushes, wherein the fluted roller may include one or more grooves, and wherein the one or more brushes may be configured to abut portions of the fluted roller; a roller shutoff disposed adjacent to the fluted roller and including one or more teeth configured to interface with the one or more grooves; a funnel fluidly connected to an outlet chamber, wherein the outlet chamber may be fluidly connected to the funnel, a blower, and a drop tube. The blower may introduce air into the outlet chamber and drop tube. A ground wheel may be mechanically coupled to the fluted roller and roller shutoff, wherein, rotation of the ground wheel causes rotation of the fluted roller and roller shutoff.

A coal blending and burning system based on a belt conveyor with a vertical process module includes a coal feeding system No. 1 provided with discharge ports 1A and 1B for outputting a coal type A; a coal feeding system No. 2 provided with discharge ports 2A and 2B for outputting a coal type B; a first belt conveyor A provided with electronic scales 1A and 2A, respectively; a first belt conveyor B provided with electronic scales 1B and 2B, respectively; a vertical drop tube; a second belt conveyor for transporting coal materials output from the vertical drop tube; a third belt conveyor for transporting coal materials output from the second belt conveyor to a coal supply end; and a controller for controlling coal blending on the first belt conveyor A, the first belt conveyor B, or the second belt conveyor.

The application discloses a cylinder head with a drip tube structure, comprising a plurality of cylinder body cylinder holes, a cylinder head body and a plurality of drip tube structures. The cylinder head body is arranged above the cylinder body cylinder holes and seals the cylinder body cylinder holes. The plurality of drip tube structures are arranged at the roots of the plurality of cylinder body cylinder holes respectively. The plurality of cylinder body cylinder holes and the cylinder head body are integrally formed. The cylinder head with the drip tube structure has simple and reasonable structure, can avoid stress concentration at the roots of the cylinder holes, and improves the heat dissipation capacity of the roots of the cylinder holes, thereby solving the problem that cracks are easily generated at the roots of the cylinder holes due to high temperature and high pressure.

The utility model relates to a stirring device for mixing heat insulation strip raw materials, which comprises a stirring component, a stirring component and a stirring component, the stirring component comprises a stirring shell, a stirring shaft and a stirring plate, and a feeding pipe is arranged at the top of the stirring shell; a driving assembly; the diffusion assembly comprises a diffusion shell and is internally provided with a plurality of diffusion cavities, the bottom walls of the diffusion cavities protrude downwards to form blanking pipes, and a blanking gap exists between every two adjacent blanking pipes; the on-off assembly comprises a communicating pipe and a lifting unit, and a communicating opening is formed in the side wall of the communicating pipe. According to the stirring device for mixing the heat insulation strip raw materials, particle production raw materials are temporarily stored through a plurality of diffusion cavities, and a communicating pipe is moved to a communicating station, so that particles enter the communicating pipe through a blanking gap and a communicating port in sequence, descend and enter a stirring shell through a feeding pipe; through the feeding pipes which are distributed at equal intervals, particle materials can be quickly diffused and uniformly distributed in the stirring shell, after the stirring plate rotates, the materials are driven to be quickly and uniformly mixed, the mixing efficiency is improved, the mixing uniformity is ensured, and the product quality is further improved.

The utility model relates to a drop type testing machine with a testing function, which comprises a machine frame, a probe, a separating mechanism, a drop pipe and a testing block screening assembly, the probe is installed on the machine frame, the drop pipe penetrates through the machine frame and the probe, one end of the drop pipe far away from the ground is a feeding end, the other end of the drop pipe is connected with the separating mechanism, and the separating mechanism comprises a vertical separating channel. The test block screening assembly is communicated with the discharge end of the vertical separation channel and the production line; a test feeding hole is formed in the side surface of the feeding end of the falling pipe. Compared with the prior art, the separation mechanism with the drop-type detection machine has the advantages that the test block screening component is mounted at the discharge end, and a test block is fed into the detection machine from the test feed port in the side surface of the feed end, so that a closed conveying pipeline is not influenced; when the detection machine works normally, the test blocks are discharged out of the detection machine, when the detection machine breaks down, the test blocks enter the test block screening assembly, and whether the detection machine can work normally or not can be judged by checking the test block screening assembly.

The application discloses a kind of powder material feeding metering device and its use method, belong to material feeding metering field.It includes main frame, stock bin, screw feeder, vibrating feeder, weight sensor and controller;Stock bin is set at the top of main frame, screw feeder is set below the discharge port at the bottom of stock bin;Vibrating feeder includes vibrator installed on main frame and shell fixedly connected with vibrator, the outlet housing of screw feeder is inserted into the shell inlet of vibrating feeder, there is a certain vibration gap between the outlet housing of screw feeder and the shell inlet of vibrating feeder, the shell outlet of vibrating feeder is fixedly provided with a drop tube, and the weight of material falling into the packaging bag is measured by weight sensor;Driving motor, vibrator and weight sensor are connected with controller.The application firstly feeds rapidly by screw feeder, then feeds accurately by vibrating feeder at low speed, which effectively prevents material from hardening, and realizes rapid and accurate metering.

A multi-stage grain sorting device belongs to the technical field of sorting devices and comprises a shell, a turntable, a funnel and a negative pressure pipe. A hopper is arranged at the top of the shell, and a discharge pipe is arranged at the bottom; a rotating shaft is coaxially arranged at the top of the turntable, a plurality of straight plates are arranged at the lower end of the rotating shaft at intervals along the circumference, an annular groove is formed in the top surface of the turntable, the edge of the annular groove tilts upwards, a plurality of slapping plates are arranged in the annular groove along a circumference array, the slapping plates are perpendicular to the bottom surface of the turntable, and the rotating shaft is driven by a motor; the funnel is arranged in the shell and coaxially arranged below the turntable, a blanking pipe is arranged at the bottom of the funnel, the blanking pipe downwards penetrates through the shell, the inner wall of the upper end of the funnel is an inverted conical surface, the conical surface and the outer wall of the turntable are arranged at an interval, and the outer edge of the upper end of the funnel and the inner wall of the shell are arranged at an interval; the negative pressure pipes are of a circular ring structure and are arranged above the funnel at intervals. According to the scheme, dust raising can be effectively prevented, the better sorting effect and efficiency are achieved, and the structure is more compact.

A kind of grain multistage sorting device belongs to sorting device technical field, including: shell, carousel, hopper and negative pressure pipe.Shell top is equipped with hopper, bottom is equipped with discharge pipe;Carousel top coaxially is equipped with rotating shaft, and the lower end of rotating shaft is circumferentially interval and equipped with multiple straight plates, and the top surface of carousel has annular groove, and the edge of annular groove is upturned, and multiple slapping plates are circumferentially arrayed in annular groove, and slapping plate is perpendicular to the bottom surface of carousel, and rotating shaft is driven by motor;Hopper is arranged in shell interior, and coaxially is arranged below carousel, and the bottom of hopper is equipped with drop tube, and drop tube passes through shell downwards, and the inner wall of upper end of hopper is inverted conical surface, and conical surface is interval arranged between the outer wall of carousel, and the outer edge of upper end of hopper and the inner wall of shell are interval arranged;Negative pressure pipe is circular ring structure, and it is interval arranged above hopper.This scheme can effectively prevent dust, has better sorting effect and efficiency, and structure is more compact.

The utility model relates to the technical field of oil loading and unloading vehicle sealing, and discloses a pneumatic grabber sealing cap which comprises a loading arm body and further comprises a gas-phase oil gas recovery pipe arranged on one side of the loading arm body. The pneumatic claw hook sealing cap assembly is arranged at one end of the gas-phase oil gas recovery pipe and comprises a connecting elbow piece arranged at one end of the gas-phase oil gas recovery pipe, a vertical pipe piece is arranged at the bottom of the connecting elbow piece, a sealing cap piece is arranged at the bottom of the vertical pipe piece, and the sealing cap piece is arranged at the bottom of the vertical pipe piece. A first air source pipe is arranged on the outer side of the vertical pipe fitting; by arranging the pneumatic claw hook sealing cap assembly, all volatilized oil gas can enter oil gas recovery equipment for retreatment through a gas collecting pipeline, meanwhile, the pneumatic claw hook sealing cap assembly has the outstanding advantages of being tight and reliable in sealing, light in weight, easy and simple to operate, small in number of quick-wear parts, long in service life and the like, and the problem that oil gas leaks at an oil loading hole in the top of a tank truck can be solved.

The utility model relates to the technical field of extraction devices, in particular to an extraction device for humic acid production, which comprises a bottom plate, the bottom surface of the bottom plate is fixedly connected with a plurality of symmetrically arranged pin shafts, and the outer surface of each pin shaft is rotatably connected with a support frame. The humic acid extraction device has the advantages that when humic acid needs to be extracted, firstly, the top of a collection tank needs to be placed in a limiting ring, then a lead screw is rotated to drive a mounting frame to move downwards until a dropper penetrates through a water absorption sponge through an avoiding hole, and then the output end of the dropper is inserted into the collection tank; at the moment, a solution and an extraction solution are injected into the extraction tank, the humic acid solution can drop into the collection tank through a dropper after extraction operation, then the lead screw is rotated reversely to drive the mounting frame to move upwards, the dropper slides relative to the water absorption sponge, and hanging liquid at the output end of the dropper can be absorbed through the water absorption sponge; and hanging liquid on the dropper can be conveniently cleaned.

The application provides a device for assembling a drop tube body and a drop tube cover. A feeding unit is used to feed the drop tube body to a receiving unit, and the drop tube body is in a horizontal state. When the receiving unit receives the drop tube body, a spacing unit is used to keep the drop tube body in the feeding unit. A material taking and overturning unit and a material taking and assembling unit can move along the front-back direction under the action of a front-back moving driving unit. The material taking and overturning unit is used to obtain the drop tube body in the receiving unit, overturn the drop tube body to make it in a vertical state, and make one end of the drop tube body for assembling the drop tube cover face downward. The material taking and overturning unit places the drop tube body in a vertical state in a glue applying unit. The glue applying unit is used to apply glue to one end of the drop tube body for assembling the drop tube cover, and move the drop tube body forward. The material taking and assembling unit is used to obtain the drop tube body in the glue applying unit, and assemble the drop tube body with the drop tube cover in a storage fixture. The device can quickly and efficiently assemble the drop tube body and the drop tube cover together.

The application discloses a kind of fine-grained soil saturation control test devices, it is related to geotechnical engineering equipment technical field, and its technical scheme main points are as follows: including round hole tray, moisture cylinder and with its airtight combination moisture cylinder cover, round hole tray is bolted with fine-grained soil sample, sample ring cutter, upper water-permeable stone and lower water-permeable stone, moisture cylinder cover is equipped with six round holes, is fixed with dropping tube in round hole through rubber plug, dropping tube outlet is opposite fine-grained soil sample, dropping tube is connected with hose, infusion bottle in sequence, hose is equipped with control switch;The application also discloses the test method of the test device: including the following steps: S1: sampling;S2: calculate water supplement amount;S3: fixed sample on round hole tray;S4: sample is placed in moisture cylinder;S5: install water supplement device;S6: continue to water;S7: calculate saturation, and carry out soil mechanics test.The application has the effects of reasonable structure, reliable performance, convenient operation, data acquisition is convenient, accurate, low carbon green, preparation efficiency is high.