82results about How to "Free from pollution" patented technology

The application discloses a through-layer drilling ring flow supply self-cleaning and blocking integrated hole bottom extraction non-jetting drill tool, which comprises a multifunctional rod body, an extraction inner group pipe, a radial cavity forming nozzle, an axial blocking nozzle, a conical hole screen plate strip, an air inlet transition piece, a cross-border air inlet pipe, a compression spring slide valve assembly and a ring flow opening and closing drill bit. The special slide valve control mechanism is adopted, the original radial cavity forming jet flow is reserved, and the instantaneous axial blocking jet flow is added, so that the conical hole screen plate strip is self-cleaned and blocked. The cross-border air inlet pipe and the transition air inlet piece are combined and sealed, so that the radial air inlet channel passes through the axial flow supply channel without air and water leakage. The ring flow supply anti-backflow opening and closing drill bit is designed, and the jet flow water medium pollution problem and the drill bit opening and closing problem are solved.

The utility model belongs to the field of sun-drying equipment, and particularly relates to totally-enclosed conveyor sun-drying equipment which comprises a steel frame detachably arranged on the ground, sealing plates arranged on the periphery of the steel frame and a top plate used for sealing the top faces of the four sealing plates, and the sealing plates, the top plate and the ground form a drying chamber. A conveying device used for containing materials is arranged in the drying chamber. And an exhaust fan communicated with the drying chamber is arranged on the sealing plate. The multiple conveying devices are vertically distributed on the ground at intervals, and the ends of the adjacent conveying devices are arranged in a staggered mode. The sealing plates are arranged on the periphery of the steel frame, the top plate is arranged on the sealing plates on the periphery of the steel frame, the drying chamber is formed between the sealing plates and the top plate, sunlight irradiates in the drying chamber, the internal temperature of the drying chamber rises, and therefore the drying efficiency of coal slime in the drying chamber can be improved. And the coal slime is dried in the totally-enclosed drying chamber, so that the coal slime can be prevented from being blown away by wind, and the environment is protected from being polluted.

The utility model discloses a two -dimensional code protection device, it includes the fixed plate, the fixed plate one side is provided with the flip, the fixed plate with the hinge between the flip is hinged, the fixed plate inside is provided with two -dimensional code inlay groove, the fixed plate inside is provided with one number and places the groove, the fixed plate with the inside four corners symmetry of flip is provided with a plurality of limit hole, the limit hole inside all are fixedly connected with magnet, one number and places the groove inside fixed connection one rubber strip, the two -dimensional code inlay groove with limit hole between being provided with the protection groove, the protection groove inside fixed connection has no.

This invention relates to a method for manufacturing a backplate for a microdisplay, and its purpose is to provide a method for manufacturing a backplate for a microdisplay by attaching glass to a silicon wafer used as a backplate substrate for the microdisplay.

The utility model relates to the technical field of semiconductor manufacturing, provide a kind of chemical liquid flow calibration sampling device and chemical plating equipment.Chemical liquid flow calibration sampling device includes: liquid injection pipe, sampling tube and passage switching device;The liquid injection pipe is used to transport chemical liquid, and the outlet end of the liquid injection pipe is used to communicate with the inner cavity of chemical tank;The inlet end of the sampling tube is communicated with the liquid injection pipe, and the outlet end of the sampling tube is located outside the chemical tank;The passage switching device is used to switch the flow direction of chemical liquid in the liquid injection pipe, so that chemical liquid flows out along the outlet end of the liquid injection pipe or flows out along the outlet end of the sampling tube.The above-mentioned device can simplify the sampling process of chemical liquid, improve the calculation efficiency of flow deviation, and also reduce the risk of operation and the risk of chemical liquid contamination.

The application discloses a kind of copolymer organic semiconductor devices based on isolation and interconnection and preparation method, including substrate, photoetching blocking layer, insulating isolation layer, N organic field effect transistor and N-1 interconnection line;Photoetching blocking layer includes isolation layer and inorganic dielectric layer;Isolation layer is opened with N longitudinal through isolation groove along length direction;Inorganic dielectric layer includes lower dielectric layer and upper dielectric layer;Lower dielectric layer is located in N isolation, and upper dielectric layer is laid on the top of isolation layer and lower dielectric layer;Each organic field effect transistor includes semiconductor layer, source, drain and gate;Semiconductor layer is laid in the isolation groove at the bottom of corresponding lower dielectric layer section, and its material is organic copolymer.The application effectively utilizes isolation groove and photoetching blocking layer, and the semiconductor layer of different semiconductor materials is wrapped and isolated, so as to realize the integration of different organic field effect transistors on the same substrate, and the organic field effect transistor can realize effective interconnection.

The application discloses a wave energy power generation device, and belongs to the technical field of wave energy power generation.The device comprises a floating ball shell for floating on the water surface, a wave sail assembly, a power generation assembly arranged in the floating ball shell, and a locking assembly arranged between the floating ball shell and the wave sail unit.The wave sail assembly comprises a plurality of wave sail units arranged around the center plane of the floating ball shell, and the wave sail units are hinged to the floating ball shell.The power generation assembly comprises a plurality of power generation units arranged along the radial direction of the floating ball shell, a heavy ball arranged at the center of the floating ball shell, and a cable.The heavy ball is connected to the plurality of power generation units through the cable, and the heavy ball can be driven by force from different directions to generate power for the corresponding power generation units.The locking assembly can lock the wave sail units on the wave-encountering side to receive the wave energy to the maximum extent.The device can reduce the resistance of the side wings, reduce the loss of wave energy, collect energy from different directions, and improve the utilization rate of wave energy.

The present application provides a sintering machine trolley, comprising a trolley body, end bars mounted on the trolley body and rollers, the end bars are detachably connected with the trolley body through spring pin mechanisms, and the rollers are bearing embedded rollers in a modular assembly form. The present application improves the fixing and mounting mode of the end bars and the structure form and mounting mode of the rollers, overcomes the defects of the complex mounting structure of the end bars and the rollers in the traditional trolley, and the difficulty in mounting and detaching, makes the mounting and detaching of the end bars and the rollers more convenient and fast, and the structure is compact and reasonable, and easy to maintain.

The utility model provides a multipath liquid taking head. The multipath liquid taking head comprises a connecting part, a transition part and a liquid taking part, the connecting part is used for being connected with a pipette head of a pipette body, and the bottom of the connecting part is detachably connected with a transition part for preventing liquid from flowing back; the bottom of the transition part is detachably connected with a liquid suction head; the connecting part comprises a plurality of sleeves which are integrally formed and have different diameters, and is used for connecting the pipettes with different specifications and models; by designing the multi-diameter liquid taking head connecting part comprising a plurality of sleeves with different diameters, the technical scheme can be adapted to most specifications of pipettes on the market, and the universality and the flexibility of the liquid taking head are greatly improved; laboratory personnel do not need to purchase liquid taking heads of various specifications for different types of pipettes, so that the experiment cost and the management difficulty are reduced.

The utility model relates to the field of nitrogen making machines, in particular to an efficient molecular sieve adsorption type nitrogen making machine. The device comprises a reaction cylinder, and an inner cylinder is fixedly connected to the interior of the reaction cylinder. The conical filter plate in the treatment mechanism is in a big-end-down shape, impurities in gas can be effectively filtered out, the unique shape of the conical filter plate can guide the impurities to slide to the flow guide groove along the inclined face, then the impurities are collected in a centralized mode through the collecting cavity, the impurities are prevented from entering the inner cylinder to affect the performance of the molecular sieve, and the purity of gas treatment is guaranteed; the nitrogen generation efficiency and quality are improved; moreover, the driving motor drives the conical filter plate to rotate, so that the gas treatment efficiency and quality of the nitrogen making machine can be remarkably improved, the contact frequency of the surface of the conical filter plate and impurities in the gas is greatly increased in the rotating process, and the impurity intercepting effect is remarkably enhanced; and meanwhile, the impurities are promoted to move towards the edge of the filter plate and slide to the diversion trench along the inclined surface due to the centrifugal force.

The utility model discloses PE water supply pipe of corrosion -resistant alloy layer's lining, relates to water supply pipe technical field, and its technical key points include PE main body structure layer, corrosion -resistant alloy lining layer, reinforcing layer and outer protective layer, corrosion -resistant alloy lining layer sets up in the inside of PE main body structure layer, reinforcing layer sets up in the outside of PE main body structure layer, outer protective layer sets up in the outside of reinforcing layer, reinforcing layer includes pressure -resistant buffer layer and tough layer, pressure -resistant buffer layer sets up in the outside of PE main body structure layer, and tough layer sets up between pressure -resistant buffer layer and outer protective layer. Technical effect is through setting up corrosion -resistant alloy lining layer, can play the role of resistance medium corrosion, prevents the corrosive component in conveying medium from causing the erosion to pipeline, ensures water quality and is not polluted, prolongs the service life of pipeline simultaneously.

The utility model relates to an automatic focusing three-dimensional five-axis laser cutting head which comprises an optical fiber QBH automatic collimation assembly, a C-axis rotating assembly, an A-axis rotating assembly, a light path reflection assembly and a cutting assembly, and has the advantages that the structure is compact, focusing is accurate, the optical fiber QBH automatic collimation assembly and an automatic focusing lens assembly are adopted, the center position and the focal length of a light beam can be accurately adjusted, and the cutting efficiency is improved. Stable and consistent cutting quality is guaranteed, and cutting precision is improved. The protection assembly is internally provided with pressurized gas to prevent dust pollution, and the service life of the optical element is prolonged; the anti-collision assembly is in magnetic attraction connection with an annular magnet through a contact type sensor, the cutting head is effectively protected against collision damage, the equipment reliability is improved, and the service life is prolonged. The laser machining device is high in adaptability, can adapt to various types of lasers, meets different machining requirements, has good universality and flexibility, and expands the application range. The automatic focusing function reduces manual intervention, accelerates the cutting speed, improves the production efficiency and reduces the production cost.

The utility model discloses an assembly line for cleaning polyurethane molds. The assembly line comprises an automatic mold inlet track, an automatic mold outlet track, a conveying belt, a protective door, a protective cover, a cleaning operation table, an exhaust shutter door, a garbage collector, an oil dripping prevention tray, a sliding door track, an automatic opening and closing gate and a smoke exhaust port. According to the polyurethane mold cleaning assembly line, 140 sets of molds can be cleaned every day, the isolation cover can prevent pollutants from flying everywhere, the pollutants can be conveniently collected in a centralized mode, meanwhile, cleaning personnel can be protected against harm of the pollutants and noise (the field noise is about 40 decibels), the ventilation system can prevent the cleaning personnel from suffocating with carbon dioxide, and the cleaning efficiency is improved. The combination of the dry ice machine and the assembly line can save labor and improve cleaning efficiency.

The utility model relates to the technical field of musical instrument manufacturing equipment, in particular to an environment-friendly dust removal type grinding machine for musical instrument production, which comprises a grinding machine, a dust suction pipe and the like. A mounting plate is connected to the front side of the grinding machine, an opening ring frame is connected into the mounting plate, a filter kit is rotatably connected into the opening ring frame, through holes are formed in the front side and the rear side of the opening ring frame, one end of a dust suction pipe is communicated with the through hole in the rear side of the opening ring frame, the other end of the dust suction pipe is communicated with the bottom of the dust accumulation hopper, and an air blower is communicated with the through hole in the front side of the opening ring frame. By means of continuous rotation of the filtering suite, the filtering face is continuously updated and changed, meanwhile, attached chippings are forcefully purged through reverse high-pressure airflow, the chippings cannot stay on the filtering structure through a dynamic cleaning mechanism, and the clean state of the filtering face is kept all the time.

The invention belongs to the technical field of vacuum focusing, and relates to a focusing assembly for lunar remote Raman spectrum detection and a use method. Comprising a focusing group lens frame, a focusing optical lens is arranged in the focusing group lens frame, a main lens barrel sleeves the focusing group lens frame, a cam assembly is arranged outside the main lens barrel, the cam assembly penetrates through the main lens barrel through a guide nail and is fixedly connected with the focusing group lens frame, and a plurality of taper hole groups are formed in the outer wall of the focusing group lens frame. Taper holes in each taper hole group are distributed along a straight line parallel to the optical axis, the taper hole groups are uniformly distributed along the circumferential direction of the focusing group lens frame, supporting steel balls are arranged on the taper holes, a plurality of linear V-shaped guide rails are arranged on the main lens barrel, the linear V-shaped guide rails are in contact with the supporting steel balls, and dense steel balls are arranged between the main lens barrel and the cam assembly. An outer gear of the cam assembly is connected with the power assembly. Through steel ball point supporting isolation and full-dry type friction transmission design, pollutants are prevented from being generated in a light path, the problem of vacuum cold welding is effectively solved, and the remote focusing function is achieved.

The utility model provides an ecological water sampling device which comprises a supporting assembly, a sampling assembly suspended in the lower surface area of one end of a top plate and a traction assembly arranged on the top plate, the supporting assembly comprises a bottom plate and a stand column, and the top of the stand column is fixedly provided with the top plate. The traction assembly further comprises a flexible pipeline which extends from the top to be connected to the traction assembly and controls the sampling assembly to ascend and descend by pulling and stretching the flexible pipeline, the sampling assembly comprises a water pump, a first filter layer wrapping the water pump and a second filter layer wrapping the first filter layer, and the water pump is connected to one end of the flexible pipeline; through the mechanism, the problems that the existing general water drawing sampling equipment cannot effectively sample ecological water samples at the bottoms of lakes and reservoirs, sediment at the water bottom is easily disturbed in the sampling process, sampling fails, and the overall practicability is low are solved.

The utility model discloses an induction heating type chip welding device, and relates to the technical field of chip welding. The device comprises a tool jig, wherein the tool jig is fixedly connected with a supporting rod for placing a chip through a placing cavity formed in the tool jig; the welding part comprises two hot-pressing seats, the two hot-pressing seats are symmetrically distributed by taking the tool jig as a center, one end, close to the tool jig, of each hot-pressing seat is fixedly connected with a heat conduction block, and a heat insulation plate is fixedly mounted on the outer surface of each hot-pressing seat. The utility model can effectively solve the problems in the prior art that no definite time sequence control exists in the heating and pressure applying process, the heating block starts to dissipate heat when approaching the chip, so that the welding flux is melted in advance when the pressure is not applied, the welding flux is oxidized, sheetted or bridged, and if the pressure is firstly applied and then the heating is performed, the welding flux cannot be heated. And the problem that the chip packaging material is deformed due to overlong pressure duration time is solved.

The utility model discloses a device of quick replacement oil drum for oil refining production line belongs to the field of oil drum replacement. It mainly includes turnover mechanism, replacement bottom plate, oil drum conveying mechanism, and turnover mechanism includes first base, and one side is connected with the vertical plate who is perpendicular to first base on first base upper end, and the upper transverse plate who is connected with vertical plate is equipped with in first base top, and the turnover device is rotatably connected with first base on first base, and turnover device includes the second hydraulic device rotatably connected with first base, and the restraint board is connected with the second hydraulic device stretchout end, and two clamping supports are slidably connected with restraint board, and two connecting rods are rotatably connected with second hydraulic device shell, and one end of connecting rod is rotatably connected with clamping support. The utility model discloses through placing the oil drum reverse transportation, the inside of oil drum is cleaned before filling again through the turnover mechanism and is turned over filling mode, guarantees the health condition, and can improve filling efficiency.

The utility model discloses a kind of plastic valve protection devices, it is related to plastic valve technical field;And the utility model includes plastic valve body, the both ends of plastic valve body are fixedly connected with connecting pipe through flange, the outside cover of plastic valve body is equipped with symmetrically distributed transparent shell one and transparent shell two, the bottom end of transparent shell one and transparent shell two is hinged connection, the top end of transparent shell one and transparent shell two is fixedly connected with symmetrically distributed fixed block, the side of corresponding fixed block is equipped with bolt;By transparent shell one and transparent shell two cover to the outside of plastic valve body, and by the cooperation between bolt and nut, the relative position between transparent shell one and transparent shell two is fixed, utilize transparent shell one and transparent shell two to the protection of plastic valve body, protect valve operating component from the pollution or physical damage of external environment, ensure that valve normally operates.

The utility model discloses a fire hydrant casting with a good corrosion-resistant effect, which comprises a hydrant body, a valve pipe is arranged on the outer side wall of the hydrant body, a valve cover is arranged at one end of the valve pipe, the upper end of the hydrant body is detachably connected with a hydrant cover, the inner wall of the valve pipe is fixedly connected with a buffer mechanism, and the outer wall of the hydrant body is fixedly connected with a protection mechanism. A connecting flange is welded to the lower end of the hydrant body. Through the arranged buffer mechanism, the equipment can avoid the problem of unstable installation of the water pipe, the fire hose is generally directly rushed out through the valve pipe after water is discharged, the valve pipe still has large initial impact force when water is discharged, the external water pipe is impacted, and then the discharged water is in contact through a buffer disc and a flow port, so that the water pipe is prevented from being damaged. The buffer disc is stressed to drive the buffer cylinder to slide; and through the arranged protection mechanism, the equipment can effectively prevent external sundries from invading, so that the fire hydrant casting is protected against pollution and damage, and in practical application, the protection plate can resist large impact force.

The utility model belongs to the technical field of automatic manufacturing, and discloses a multi-station automatic balance material reducing machine which comprises a material reducing machine shell, a conveying device, a multi-station machine body and a blocking assembly, the conveying device is connected to a material reducing machine body, the multi-station machine body is connected to the material reducing machine shell, and the blocking assembly is connected to the material reducing machine shell. The blocking assembly comprises a connecting ring, a first linkage strip, an elastic piece, a linkage piece, a second linkage strip, a linkage rod and a blocking plate, the connecting ring is connected to the multi-station machine body, and the linkage piece enables the second linkage strip to drive the linkage rod and the blocking plate to move in the vertical direction through cooperation of the first linkage strip and the connecting ring. And the elastic piece is connected to the linkage strip I. When the device is used for cutting a product, the product is blocked through the blocking plate, so that the situation that the normal use of equipment in the material reducing machine shell is influenced due to the fact that chippings generated during cutting of the product are sputtered everywhere is avoided, and the service life of the equipment is prolonged.

Chemical sampling equipment comprises an operation table, a glove box, a supply unit, a cleaning unit and a cleaning unit, the operating table is provided with an operating side and a sampling side, an operating space and a sampling space are arranged in the operating table, the operating space is adjacent to and communicated with the sampling space, the operating space corresponds to the operating side, the sampling space corresponds to the sampling side, and a normally closed valve is arranged at the communicated part of the operating space and the sampling space; the glove box is arranged in the operation space; the supply unit is arranged in the operation space and is used for supplying chemicals; the cleaning unit is arranged in the operation space and is used for supplying cleaning liquid; the cleaning unit is arranged in the operation space and used for providing protective gas. In this way, it can be guaranteed that personnel cannot make contact with the chemicals, meanwhile, the chemicals can not be polluted in the drawing process, and the test quality of the chemicals is guaranteed.

This utility model relates to the field of conveyor belt technology and discloses a candied fruit conveyor belt, including a fixed frame. A fixed plate is fixedly connected to the outer wall of the fixed frame, and a conveyor roller is rotatably connected to the inner wall of the fixed plate. A conveyor belt body is disposed on the outer wall of the conveyor roller. A motor is disposed on one side of the outer wall of the fixed plate, and the output end of the motor is fixedly connected to the inner wall of the conveyor roller. A baffle plate is disposed below the conveyor belt body, and a limit component is disposed on the outer wall of the baffle plate. The limit component includes a knob, a threaded rod, and a connecting plate. The knob is disposed on the outer wall of the baffle plate, and one end of the threaded rod is fixedly connected to one side of the outer wall of the knob. In this utility model, the baffle plate is detachable due to the knob, threaded rod, sleeve, etc. When the baffle plate needs to be cleaned, rotating the knob drives the threaded rod to rotate, causing the sleeve to drive the fixed block three and the rotating block to move together, allowing the limit block to disengage from the fixed block two. Then, the limit component can be removed by sliding the connecting plate along the slide rail one, thus detaching the baffle plate.

The utility model relates to a dust discharging and collecting device and a dust removing system. The dust discharging and collecting device comprises a support, a weighing sensor, a collecting bin, a dust collecting pipe and a diaphragm pump. The weighing sensor is arranged at the bottom of the bracket; the collecting bin is arranged at the top of the support and comprises an internal cavity, a connecting port is formed in the side face of the collecting bin and connected with a dust discharging port of the pulse bag-type dust collector through a dust collecting pipe, and an output port is formed in the bottom of the collecting bin; the diaphragm pump is arranged on one side of the support, a feeding port of the diaphragm pump is connected with the output port, and a discharging port of the diaphragm pump is connected with a discharging pipe. The dust discharging and collecting device can be used for collecting dust generated after the pulse bag-type dust collector performs pulse blowing dust removal, and automatically discharging the dust to a preset position to be collected and treated after the dust is collected to a certain degree, so that the labor intensity of workers is reduced, the dust treatment efficiency is also improved, and the labor intensity of workers is reduced. And meanwhile, the possibility that dust escapes to pollute the surrounding environment is reduced.

This disclosure relates to a battery cell testing apparatus, and according to one aspect of this disclosure, the battery cell testing apparatus is a battery cell testing apparatus for determining the characteristics of a battery cell, and includes: a support frame configured to support a battery cell; a sensor assembly disposed on one side of the support frame and configured to sense the characteristics of the battery cell, wherein the sensor assembly includes a sensor; and a holder coupled to the support frame to support the sensor.

The utility model provides a kind of protective face screen for dentistry, it is related to medical equipment technical field, solve the technical problem that the sewage splashes out, pollutes the face, chest etc. of patient in prior art in the high-speed rotation of instrument or pressure change inside oral cavity. The device a kind of protective face screen for dentistry, protective screen, for wearing in the process of treating dental disease of patient, and the treatment mouth for leaking out patient oral cavity is opened in protective screen;Protective plate, fixedly connected to the bottom end of protective screen to cover the neck and chest position of patient in use, and protective plate is flexibly arranged and is fixedly connected with the smooth connection of protective screen;Drainage device, fixedly installed on protective plate, to guide the flow of sewage on protective plate in the process of treating dental disease and collection storage. By designing a kind of protective face screen for dentistry, sewage splashing caused by high-speed drilling, instrument rotation or pressure change inside oral cavity can be effectively blocked.

The utility model relates to the technical fields of core sample cutting machine discloses core sample cutting machine noise reduction energy -conserving green environmental protection structure, including the protective cover of cover setting in the outside of core sample cutting machine, and the protective cover has the protective cavity of accommodating core sample cutting machine in it, the protective cover has the protective wall, and the protective wall has the openwork area of inside and outside through arrangement, and the openwork area is covered with transparent window, the outside of protective wall has the outward side wall, and the inboard wall of protective wall has the inward side wall of arrangement towards protective cavity, and the inward side wall is covered with the sound insulation cotton layer, when the protective cover cover setting in the outside of core sample cutting machine, protective cavity is in sealed state, through the sound insulation cotton layer of protective cover, and make protective cavity be in sealed state, can significantly reduce the noise of core sample cutting machine work time generation, simultaneously, the sealed setting of protective cover can block dust and impurity to enter to guarantee the health of operator.