328results about How to "The overall structure is compact" patented technology

The invention discloses a speed reduction box for turbine fracturing. The speed reduction box is compact in overall structure, small in volume, light in weight and large in transmission ratio, power is input through a sun wheel shaft small-end gear, speed reducing and torque increasing are performed through engaging between sun wheel shaft large-end gears and planet wheels, the power is output through planet carriers, the gear size and quantity are reduced utilizing the structure of a planet wheel set, the speed reduction box for the turbine fracturing is more suitable for the turbine engine speed reduction requirements, the effect of convenient maintenance can be achieved by opening a cover plate through an observation hole, by means of coordination use of a brake device and a brake pad,equipment can be made to stop running immediately in case of emergency, the equipment and personal safety is protected.

The invention discloses a continuous box type gas regulation packaging machine, comprising a conveying transmission system used for conveying boxes, a packaging system used for sealing the boxes and a transmission and control system, wherein the packaging system comprises a gas replacing mechanism used for replacing gas in the box and a heat sealing mechanism used for sealing the box after the gas is replaced, and the transmission and control system is used for rolling and releasing a heat sealing thin film for the packaging system. The continuous box type gas regulation packaging machine provided by the invention has simple structure, continuous automation gas regulation packaging can be carried out on wrappage in a box type structure, main operations such as gas replacing, box sealing and film cutting are completed on the same station, the integral structure is compact, the production space is saved, the transfer time on a production line is saved; the gas replacing accuracy and thegas mixing accuracy in a packaging box are high; and multiple boxes can be simultaneously packaged, and the packaging speed is fast.

The invention provides a walking type incremental launching device. The device comprises a slide box, a slideway, a translation jack, a jacking jack and a deviation-rectifying jack assembly, wherein the slide box comprises slide box body units and slide box body connectors connecting the slide box body units; the slide box body units are movably connected by bolts; the slide box body units and the slide box body connectors are movably connected by bolts; the slide box body connectors are movably connected by bolts; the slideway comprises slideway body units and slideway body connectors; the slideway body units are movably connected by bolts; the slideway body units and the slideway body connectors are movably connected by bolts; the slideway body connectors are movably connected by bolts; the whole slide box is put on the slideway and is of an up-down structure; the jacking jack is installed in a jacking jack installation barrel on the slideway; the translation jack is installed on a translation jack installation plate on the slideway; and the deviation-rectifying jack assembly is installed on a deviation-rectifying jack installation rack on the slideway. Used in a method for bridge incremental launching construction, the device has the characteristics of strong generality, convenience in construction and low cost.

A supercavitating navigation body model with an internal steering gear comprises a head cone section with a cavitation device and a cabin with an empennage. The cabin comprises a pressure measuring cabin section, a motor cabin section, a feedback cabin section and an empennage cabin section, the adjacent cabin sections are fixedly connected and sealed, the steering gear is arranged in the cabin and comprises a transmission shaft driven by a motor and a speed reducer, the transmission shaft is provided with a rotary encoder, one shaft end of the transmission shaft is fixedly connected with a driving bevel gear, the two ends of a hollow shaft are respectively and fixedly connected with a rudder spindle, the axis of the hollow shaft is perpendicular to the axis of the transmission shaft, the hollow shaft is provided with a driven bevel gear meshed with the driving bevel gear for transmission, the motor and the speed reducer are fixedly installed in the motor cabin section, the rotary encoder is located in the feedback cabin section, the transmission shaft penetrates through the feedback cabin section and stretches into the empennage cabin section, and the two rudder spindles are rotataby supported against the empennage cabin section and form the empennage. The steering gear can be arranged in the supercavitating navigation body model in an integrated mode, and active control and angle feedback for the two rudder spindles can be achieved.

The invention relates to an integrated fish tank with a flower pot, which comprises at least one transparent fish tank body and a flower pot body, wherein the flower pot body is placed on the fish tank body and is used as a groove-shaped fish tank cover, a biochemical filtering layer is laid on the inner bottom of the flower pot body and is provided with rockwork and/or carbonized wood, plants are planted in seams, grooves and holes between the rockwork and the carbonized wood, or water planting plants are directly planted on the biochemical filtering layer, the flower pot body is internally fixed with an overflow pipe downwards passing through the biochemical filtering layer and the pot bottom and controlling the water level of the flower pot, and the outlet pipe of a miniature water pump arranged in the fish tank is connected to the flower pot body. The invention not only beautifully integrates the flower pot with the fish tank in appearance so that a compact and simple integral structure is achieved and enjoyment and decoration effects are intensive and colorful, but also improves the water body quality and the aquarium culturing service life because the water body realizes the ecological circulation, saves the cost and is convenient to integrally manage.

The present ivnention relates to a laser laying-out equipment, it has base body, linear laser component formed from first laser component and cylindrical lens and point laser component formed from second laser component and rotating prism component; the laser beam transmitted by first laser component can display vertical line cursor on the front obstacle; the laser beam transmitted by second laser component can display plane-scanning line cursor on the peripheric obstacle; the sector laser surface sent out by first laser component and the plane-scanning laser surface sent out by second laser component are crossed, and a cross-line cursor can be displayed on the obstacle, and said cross-line cursor is moved with the rotation of line laser component which is rotated round the central line of the point laser component. Said invention is simple in operation, and can provide convenience for laying-out work.

The invention discloses a compact simultaneous distilling and extracting device, which comprises a simultaneous distilling and extracting kit and a condensing system, wherein the simultaneous distilling and extracting kit is formed by interconnecting a water vapor conduit, a condensate return pipe, a water vapor heating sleeve, a solvent vapor conduit and a mixed extracting and condensing cavity;the condensing system comprises a detachable double spiral condensing pipe and a hollow condensing jacket; the double spiral condensing pipe is in ground sleeve joint with the mixed extracting and condensing cavity; and the hollow condensing jacket is matched with the double spiral condensing pipe to form a condensing part of the mixed extracting and condensing cavity. The device combines the technical characteristics of a soxhlet extracting device and a rotary evaporimeter, adopts a double spiral condensing structure, simplifies a heating device, and has the advantages of more compact overall structure, small occupied space, detachability and convenient cleaning; and the difference between mixed extracting and condensing in space position of the cavity body is favorable for separately mixing and condensing the vapor (air), thereby improving the working efficiency of distilling and extracting, and saving energy by 25% by vapor heating.

The invention provides an air valve and an air conditioning unit comprising the same. The air valve comprises a shell, first blades, second blades and a driving component, wherein the shell is provided with a fresh air inlet and a return air inlet; the first blades are rotatably arranged at the fresh air inlet so as to open or close the fresh air inlet; the second blades are rotatably arranged at the return air inlet so as to open or close the return air inlet; the driving component is in driving connection with the first blades and the second blades and drives the first blades and the second blades to be linked. Through the air valve and the air conditioning unit comprising the same, the problems that an air valve in the prior art occupies large space in an air conditioning unit and is complex to control and high in cost are solved effectively.

The invention relates to a battery pole piece guillotine, which comprises a workbench, a loading mechanism, a feeding mechanism fixed on the upper end surface of the workbench, and a sending mechanism are fixed on the lower part of the workbench; one side of the sending mechanism of the workbench is provided with a cutting mould and a belt conveying mechanism; battery pole pieces are stored on the loading mechanism; the battery pole pieces on the loading mechanism are conveyed to the input part port of the cutting mould by the sending mechanism one by one; then, the battery pole pieces on the input part port are pushed to the cutting mould by the feeding mechanism to be cut; and finally, the belt conveying mechanism outputs the cut battery pole piece to finish the cutting of the battery pole piece. The whole cutting action is accomplished in one breath, continuous and efficient cutting is realized, battery cutting efficiency is improved, cutting equipment is of a desktop module combined structure, and each action structure is reasonable in design and is combined into a whole. The battery pole piece guillotine has the advantages of compact integral structure, small land occupation and convenience in repairing and replacing, and manufacture cost is lowered.

The present invention relates to a rotating inverted pendulum, belonging to an experimental equipment for teaching and scientific research. It includes pendulum bar, motor, driving component, supporting frame and its control system. The pendulum bar is connected with motor shaft by means of driving component, the driving component is a rigid rotating arm, its one end is fixedly connected with motor shaft and another end is hinged with pendulum bar, the motor shaft is horizontal, and the surfaces of revolution of the rotating arm and pendulum are vertical.

The invention discloses an LED bulb with a fan and a lamp, which are applied in the field of LED illumination. In the LED bulb with the fan, ventilating holes are formed on the bottom face of a shell of the bulb, so that dust can fall down under the action of the gravity and the blowing action of the fan to realize dustproof function; meanwhile, the requirement on a space of the side wall of the conventional lamp holder is reduced, and the integral structure of the bulb is compact, so that the LED bulb has better replaceability. The lamp comprises the LED bulb with the fan. Because the LED bulb has the radiating and dustproof structure, the volume of the lamp can be greatly reduced, the cost is reduced, and the service life of the bulb is ensured.

The invention discloses a change-over switch, which comprises a base, wherein the base is provided with two groups of contact mechanisms and two sets of reversing mechanisms; each set of reversing mechanism drives one group of contact mechanisms to achieve opening and closing; each set of reversing mechanism comprises an operation rotating shaft, an electromagnetic coil, a reset pressure spring, a movable iron core, a reversing plate, a limiting rod, a linkage part, a drive pin, a connecting pin and a first tension spring; each reversing plate is provided with a guide positioning hole or a guide positioning groove; two guide bevel edges and two positioning grooves are arranged in the inner side surface of each guide positioning hole or guide positioning groove; two guide bevel edges are distributed in a splayed form; one end of each drive pin is inserted into the corresponding guide positioning hole or guide positioning groove; when the electromagnetic coils are energized, the corresponding operation rotating shafts drive the corresponding contact mechanisms to open and close; when the electromagnetic coils are de-energized, the reset pressure springs drive the corresponding movable iron cores to reset; and the first tension springs drive the corresponding drive pins to be matched in the corresponding positioning grooves to position the corresponding reversing plates and operation rotating shafts. The change-over switch is compact in structure, relatively small in volume and relatively high in action reliability.

The invention discloses a wrapping assembly mechanism of a storage battery wrapper, which comprises a wrapping device, an assembly mechanism and a delivering mechanism, wherein the wrapping device is used for wrapping first pole plates; the assembly mechanism is connected with the discharge end of the wrapping device; the delivering mechanism is used for delivering second pole plates to the assembly mechanism; and the wrapped first pole plates and the second pole plates are overlapped alternately in the assembly mechanism. When in work, the additional assembly mechanism and the delivering mechanism do not need manual operation, and the wrapping and assembly of the pole plates are finished in one step, thus the automation degree is greatly improved; and by reducing the chance for artificially touching the pole plates, the damage of lead dust on operators is also greatly reduced.

The invention discloses an inverted reusable landing buffer supporting frame of a triangle spacecraft. The supporting frame comprises foot cushions, main buffer legs, vice buffer legs and unfolding and folding frames. The main buffer legs are respectively connected with an spacecraft body and the vice buffer legs through cardan joints, the main buffer legs and the vice buffer legs are hinged to the foot cushions, the vice buffer legs are connected with the unfolding and folding frames through the cardan joints, and the unfolding and folding frames are in pin joint with the spacecraft body. Bythe combination of the foot cushions, the main buffer legs, the vice buffer legs and the unfolding and folding frames, the inverted reusable landing buffer supporting frame achieves the reuse of a landing spacecraft, satisfies the design requirement of reliable soft landing of the multi-use spacecraft, compensates the defect of poor reusability of a landing device of the traditional spacecraft, and solves the problem of poor universality of the traditional spacecraft.

The invention discloses a shift selection and changing operation mechanism for a heavy-duty gearbox. The invention has the technical scheme that: the shift selection and changing operation mechanism, in which a self-locking mechanism, an interlocking mechanism, a reverse gear lock mechanism and a locking mechanism are integrated on a small cover shell assembly, for the heavy-duty gearbox can perform mechanical shift selection and shift changing, and can control the switching of a shift 2 secondary box so as to operate a shift 12 gearbox. The mechanism has a compact integral structure, is portable, can be post-maintained conveniently, and can effectively prevent the misoperation and increase safe reliability.

The invention discloses a flapping-wing flapping angle changing mechanism, relating to the field of aircraft design. The flapping-wing flapping angle changing mechanism is composed of a flapping wing system and an angle changing system, wherein the flapping wing system is used for generating upward and downward flapping motions of the flapping wings, and the angle changing system is used for changing the flapping angles of the left and right flapping wings. The included angles between the flapping equilibrium positions of the left and right flapping wings and the horizontal surface are simultaneously changed to change the lifting force magnitude and direction of the left and right wing surfaces, thereby generating a lifting force difference and further generating a rolling motion of the mechanism. The flapping-wing flapping angle changing mechanism is applicable to both flexible flapping wings and rigid flapping wings, has the advantages of high reliability, high efficiency and long service life, and does not have sliding friction connection. The lightening hole is reasonably designed, so that the flapping-wing flapping angle changing mechanism has the characteristics of compact and simple structure and light structural weight, and is easy for processing.

The invention provides a centrifugal atomization device. The centrifugal atomization device comprises a shell, wherein a water tank, a water pump and an atomization mechanism are arranged in the shell; the atomization mechanism comprises a centrifugal plate, a motor driving the centrifugal plate to rotate and mist making grids; a water outlet is arranged above the centrifugal plate, the water pumpis connected with the water outlet through a water inlet pipe, and the mist making grids are arranged on the outer side of the centrifugal plate in the circumferential direction; a vortex cover is further arranged above the centrifugal plate; a plurality of vortex plates are arranged below the vortex cover; water is thrown out by the centrifugal plate, then impacts the mist making grids to form fine mist and then bounces back to the centrifugal plate, forming water mist airflow rotating along the plate surface of the centrifugal plate at a high speed; and the water mist airflow is guided by the vortex plates and then moves to the center of the centrifugal plate and rises to form spiral mist flow, and then the spiral mist flow is discharged from mist outlet holes formed in the shell. The centrifugal atomization device has the beneficial effects of being high in atomization efficiency and good in atomization effect, and is suitable for air humidifiers, air purifiers and other equipmentneeding atomization.

The invention provides a high-performance, miniature and coaxial base station antenna. The high-performance miniature and coaxial base station antenna comprises an antenna radiation unit, wherein the antenna radiation unit comprises a high-frequency radiation unit and a low-frequency radiation unit, the high-frequency radiation unit comprises a radiation patch, a feeding structure and a peripheral metal wall, the low-frequency radiation unit comprises a radiation body, a reflection plate and a peripheral metal wall. In the high-performance, miniature, dual-frequency and coaxial base station antenna provided by the invention, the whole structure is more compact based on current reality demands of the base station antenna on wide frequency band, miniaturization and high performance, the dual-frequency band of the base station antenna can cover 2G/3G/4G mobile communication bands, and the base station antenna is compatible with favorable radiation property and circuit characteristic under coaxial and miniature conditions.

The invention relates to the technical field of robots, in particular to a reconfigurable device of a robot tail end executor. The device comprises a connecting main disc, tool auxiliary discs, replaceable tool grippers, replaceable tool fingers and a tool auxiliary disc rack; the tool auxiliary discs are placed on the tool auxiliary disc rack, the replaceable tool grippers are detachably connected with the tool auxiliary discs, the replaceable tool fingers are detachably connected with the replaceable tool grippers, the connecting main disc is connected to a robot execution tail end and can be connected with the tool auxiliary discs, and through reconfiguration of the replaceable tool grippers and the replaceable tool fingers, clamping of parts of different specifications and in different shapes can be achieved. The device is compact in structure, reconfigurable in tail end executor, flexible, reliable and wide in application range.

The invention relates to a biogas liquid and biogas residue solid-liquid separation method, and belongs to the technical field of general physical separating operation. The method adopts a centrifugal mechanism, an auxiliary stirring mechanism, a non-shaft spiral pressing mechanism and a squeezing mechanism for separation of a biogas liquid and a biogas residue, and the centrifugal mechanism, the auxiliary stirring mechanism, the non-shaft spiral pressing mechanism and the squeezing mechanism communicate with one another through pipe connectors orderly from front to back. The method comprises the following steps: 1) the biogas liquid and the biogas residue are subjected to first-stage centrifugal dehydration with the centrifugal mechanism, at the moment, 15-20% of water is removed, the separated biogas liquid is discharged, and the separated biogas residue is transported to the auxiliary stirring mechanism; 2) with addition of rice hull or straw powder, the rice hull or straw powder is stirred and mixed with the biogas residue in the auxiliary stirring mechanism, then the mixed material is discharged from the interior of the auxiliary stirring mechanism; and 3) the material after being mixed evenly is transported to the squeezing mechanism from the auxiliary stirring mechanism through the non-shaft spiral pressing mechanism and is subjected to second-stage squeezing dehydration with the squeezing mechanism, and at the moment, 10-15% of water is removed. The method has the advantages that the separation efficiency of the biogas liquid and the biogas residue is high, the raw materials have good adaptability and the water content of a filter cake is low.

The invention discloses a power battery module based on coupling cooling of a loop heat pipe and a phase change material. The power battery module comprises a battery module, a cooling system and a phase change system, wherein the battery module comprises a plurality of battery cells arranged side by side left and right. The cooling system comprises evaporation plates and a condenser. A number ofevaporation plates are correspondingly arranged between the adjacent battery cells. The phase change system comprises a plurality of solid-solid phase change plates, and the solid-solid phase change plates are correspondingly arranged between the evaporation plates and the battery cells. The upper end of each evaporation plate is firstly communicated with a condensation cavity in a condenser abovethe battery box body through an air guide pipe, and then is communicated with the lower end of the evaporation plate through a liquid guide pipe on the side edge of the condensation cavity to form acirculation loop. The power battery module based on coupling cooling of the loop heat pipe and the phase change material is simple and compact in structure. Efficient and uniform heat dissipation of the battery module is achieved through mutual combination of the loop and the phase change material. Cyclic utilization of an evaporation working medium is achieved, and energy consumption is reduced.

The invention belongs to the technical field of design and manufacture of waveguide antennas, and in particular relates to a dual-polarized broadband flat panel array antenna feeding network. The feed network includes polarization separators, and the polarization separators form a basic array distribution of four rows and four columns; the vertical polarization unit includes a first vertical polarization power splitter, a second vertical polarization power splitter, a third a vertical polarization power divider and a fourth vertical polarization power divider; the horizontal polarization unit includes a first horizontal polarization power divider, a second horizontal polarization power divider, a third horizontal polarization power divider and a fourth horizontal polarization power divider Horizontal polarized power splitter; there is a waveguide arm between the two adjacent first vertical polarized power splitters on the second row and the third row for the two input ports of the fourth horizontal polarized power splitter to pass through The gap; the output port of the fourth horizontal polarization power splitter is located in the reserved area between the third row and the fourth row of polarization splitters. The invention has the advantages of compact structure, wide bandwidth and low profile, and can be used as a feed network for broadband dual-polarization antennas.

The invention relates to the field of aquaculture and discloses a layered electric lifting stereoscopic ecological net cage for deep water culture. The layered electric lifting stereoscopic ecological net cage comprises annular frames, sealing nets, bottom rings, supporting buckle assemblies and lift floating balls. Multi-layer stereoscopic ecological culture is adopted, fishes of different varieties can be cultured, manure of the fishes on the upper layer and remaining bait are diffused to the lower layer through the life habits of the different fishes, bait is saved, the utilization rate of the bait is increased, and benefits are increased. The ecological net cage which is reasonably designed can be matched with an advanced bait putting and monitoring device, the net cage is independently installed in deep water with good water quality, paralic environment pollution is avoided, the seawater plane space is saved, and the utilization rate of seawater is increased.

The invention relates to a pipe section punching machine, a pipe section feeding device and pipe section processing equipment, and belongs to the technical field of pipe material processing. The pipesection punching machine comprises a pipe section punching device and the pipe section feeding device; the pipe section feeding device comprises a fixed hopper, and a movable hopper driven by a switching unit so as to move between the butt-joint position and the avoidance position in a reciprocating way; material troughs are arranged on the fixed hopper and the movable hopper; when at the butt-joint position, the material troughs of the movable hopper and the fixed hopper adaptively align at each other; when at the avoidance position, the movable hopper is deviated from the fixed hopper, so that a discharge hole is formed; a pushing mechanism is fixedly arranged on an installation frame; and when the movable hopper is located at the butt-joint position, on the basis that the movable hoppersupports and guides the pipe section moving process, a pipe section placed on the fixed hopper is pushed to the outside of a punching hole mold core sleeved in the pipe section punching device. The pipe section feeding device with the structure arrangement is simplified in control, optimized in structure, and widely applied to the manufacturing technology fields of air conditioners, automobiles and the like.

The invention provides an intelligent moxibustion and a moxibustion treatment system. The intelligent moxibustion comprises an intelligent moxibustion apparatus, a moxibustion smoke treatment unit and a smoke gas communicating soft pipe; the intelligent moxibustion apparatus comprises a lifting mechanism arranged inside a shell, a planetary rotating mechanism, a universal swinging mechanism, a moxibustion installation component and a control circuit board; the moxibustion installation component is fixedly connected with the universal swinging mechanism in a detachable mode; the universal swinging mechanism is connected in a transmission mode with the planetary rotating mechanism; the planetary rotating mechanism is arranged on the lifting mechanism; the lifting mechanism can be flexibly arranged inside the shell; the control circuit board is fixedly arranged on the lifting mechanism; the moxibustion smoke treatment system comprises an oily smoke filter unit, plasma cells and a post-processing unit and a main control board arranged on a box body which are in sequence arranged in a box body; and the main control board of the moxibustion smoke treatment unit is communicated with the control electric circuit board of the intelligent moxibustion apparatus. The intelligent moxibustion and the moxibustion treatment system are relatively low in cost, easy to use and can be used to simulate the actions of the practitioners of traditional Chinese medicine and moxibustion, and can have a more thorough cleaning treatment of the moxibustion smoke.

The invention discloses a rescue device for a failure emergency of separation of aircraft undercarriages from runways. The rescue device comprises a U-shaped frame body, and a lifting mechanism and a locking mechanism of an aircraft undercarriage, wherein a plurality of bearing universal wheels are arranged at the bottom of the U-shaped frame body; the lifting mechanism and the locking mechanism are arranged on the U-shaped frame body and are driven by hydraulic cylinders and motors to move, the frame body, the lifting mechanism and the locking mechanism can be formed by the welding of high-strength steel and high-strength alloy or the butting of high-strength bolts, and controllers are connected to the hydraulic cylinders and the motors so as to perform operation and control; the butting of the device and an aircraft only comprises locking operation and lifting operation, the butting can be completed within 5 minutes, and the situation that when the aircraft has tire burst, the aircraft can be drawn to leave a runway at the first time is realized. The rescue device disclosed by the invention has the advantages of reasonable design, compact layout, small size, high efficiency, high safety, high reliability, and high practicality.

The invention relates to a single-pile cyclic loading model test system capable of preparing an anisotropic sandy soil sample. The single-pile cyclic loading model test system comprises a model casing preparation device, a single-pile horizontal cyclic loading device and a slide rail, wherein the model casing preparation device comprises a model casing mechanism, a sand pouring mechanism and a sand scattering mechanism; the model casing mechanism is connected with the slide rail in a sliding manner; the sand pouring mechanism and the single-pile horizontal cyclic loading device are sequentially erected above the slide rail; the sand scattering mechanism is arranged on the sand pouring mechanism. Compared with the prior art, the single-pile cyclic loading model test system can finish preparations of different anisotropic sandy soils, the sand scattering height can be adjusted to change the compactness of the sample, and a hopper can be mechanically operated in the sand scattering process, therefore, both time and labor are saved, and the uniformity of the sample is guaranteed; accurate control and continuous and stable output of the horizontal cyclic load in the single-pile cyclic model test can be realized; a support frame for sand scattering can also serve as a pile sinking device; a sample preparation device and a loading test device are integrated, the functions are complete and the operation is simple and convenient.

The invention discloses an assembly type hollow hub joint. The assembly type hollow hub joint comprises a hollow hub, wherein threaded holes are formed in the hollow hub and are used for fixing bolts, the outer side of the hollow hub is connected with connecting plates with welding slots through the bolts, an unthreaded nut with a fastening nut is arranged on a part, located between the corresponding connecting plate and the hollow hub, of each bolt, sliding slots for clamping the fastening nuts are formed in the bolts, and the connecting plates are connected with rod pieces through the welding slots. According to the assembly type hollow hub joint, assembly type construction of a single-layer latticed shell can be implemented, field welding is eliminated, welding heat effect is reduced, construction precision is improved, time limit for a project is shortened, a false screw situation of the bolts can be effectively prevented, and rigidity and bearing force of the joint are ensured to facilitate popularization and application of a large-span space structure.

The invention discloses a fluid-flow control device and a shower head. The fluid-flow control device comprises a box structure and a control shaft, a cavity is formed inside the box structure, a first end face of the box structure is open, a second end face of the box structure is provided with a first sluice, the wall of the box structure is provided with an internally and externally communicated slotted hole, a buffer cavity is formed inside the control shaft and inside the internal cavity of the box structure, a first end face of the control shaft is open, a second end face of the control shaft is provided with a second sluice matched with the first sluice, and a control key is arranged on the outer wall of the control shaft, corresponds to the slotted hole and is turned to drive the control shaft to rotate in the internal cavity of the box structure, so that the overlapped discharge area of the first sluice and the second sluice is changed. By the aid of the structure, the fluid-flow control device is quite handy in rotation, and discharged water can be uniformly switched, so that a user can greatly and conveniently operates the device.

The invention discloses a waste modulator tube treatment recovery system and technology. The whole scheme is achieved based on a first feed unit, a second feed unit, a third feed unit, a crushing and sorting machine, a first crushing machine, a cleaning machine, a metal crusher, a nonferrous metal sorting machine and a noxious substance collecting unit. According to the recovery scheme, glass, metal, plastics and the like generated by waste fluorescent tubes, waste energy-saving modulator tubes and waste high pressure mercury lamps can be classified and recycled, generated harmful substances such as mercury and fluorescent powder are collected in real time in the whole recovery process and recycled, meanwhile, multiple purification treatment is carried out on the exhausted air, it is ensured that no mercury overflows, and harmless environment-friendly exhaust is achieved.