56results about How to "Promote escape" patented technology

The utility model discloses a slewing bearing structure of an excavator, which comprises a slewing bearing inner ring and a slewing bearing outer ring, the slewing bearing inner ring is connected with the slewing bearing outer ring, and an inner tooth structure is arranged on the inner side wall of the slewing bearing inner ring. The end face of the slewing bearing inner ring is provided with first installation holes which are evenly distributed on the slewing bearing inner ring, the end face of the slewing bearing outer ring is provided with a second installation hole, a third installation hole, a fourth installation hole and a fifth installation hole, and the excavator protection device achieves the functions of protecting an excavator and facilitating entering and exiting and escaping.

This utility model provides an auxiliary casting device for casting molds, relating to the field of casting equipment technology. Specifically, it includes two bases. One base has an L-shaped fixing seat fixedly installed on one side. Two hydraulic cylinders are mounted on the top of the L-shaped fixing seat, and both cylinders penetrate and are fixedly connected to the L-shaped fixing seat. The other base is slidably connected to the L-shaped fixing seat. Two pedestals are positioned between the two bases, and two casting mold bodies are mounted on the sides of the two pedestals that are close to each other. This application uses a servo motor output to drive a fixed rod and a cam to rotate, and a return spring to push the casting mold bodies fixed on the pedestals back to their original position, generating a periodic thrust to achieve auxiliary vibration of the mold. This vibration effectively breaks the bubble structure inside the casting liquid, causing the bubbles to escape, and simultaneously pushes the casting liquid to flow fully into the corners and gaps of the mold cavity, ensuring that the casting liquid is evenly distributed within the mold.

This disclosure provides a light-emitting diode and a method for manufacturing the same. The light-emitting diode includes an epitaxial structure; the epitaxial structure has a plurality of protrusions located on a first surface, and the epitaxial structure also has a mesh-like isolation groove formed on a second surface and extending toward the first surface, the epitaxial structure being divided into a plurality of epitaxial units by the isolation groove; the bottom of the isolation groove is spaced apart from the first surface; in a direction perpendicular to the second surface of the epitaxial structure, the connection between the sidewall of the isolation groove and the bottom surface of the isolation groove corresponds to the middle portion of the protrusion; the first surface and the second surface are two opposite surfaces of the epitaxial structure.

This utility model discloses a novel window breaker, including a window breaking component and a cutting component. The cutting component includes a connecting block, a telescopic spring, a limiting plate, a button, and a blade. Operation via the button controls the blade to extend for cutting ropes, safety belts, etc. The window breaking component has a striking pin, a pressing element, an outer spring, and an inner spring. The striking pin is located inside the pressing element; the outer spring controls the pressing element's reset, and the inner spring controls the striking pin's extension. In use, the tube is held, the pressing element is pressed against the glass, and then the tube is pressed, causing the striking pin to eject and break the window. Upon ejection, the striking pin rotates due to the structure of the second guide groove, improving window breaking efficiency. The advantages of this technical solution are: it combines window breaking and cutting functions, addressing various emergency situations; it is easy to operate, both cutting and window breaking are simple and easy to learn; the structure is compact, making it easy to carry and store; the blade and striking pin will not be accidentally triggered when not in use; and it is highly efficient at breaking windows, quickly breaking glass of varying thicknesses.

The application discloses a lithium battery diaphragm extraction drying device and a use method, relates to the technical field of lithium battery diaphragm production, and comprises a machine shell, a rotating roller group for conveying diaphragms is arranged in the machine shell, a bubble removing assembly is arranged on the conveying path of the battery diaphragm, the bubble removing assembly comprises a vibrating cylinder, a vibrating piece is slidably arranged on the inner wall of the vibrating cylinder, a pressing piece for pressing the diaphragm is arranged on one side of the vibrating cylinder, and a driving assembly for driving the vibrating piece and the pressing piece to move synchronously is arranged at one end of the vibrating cylinder; the bubble removing assembly of the application is close to the diaphragm through the vibrating cylinder, the separation of the bubble and the diaphragm is assisted by vibration, and the bubble removing efficiency is effectively improved; the vibrating piece is slidably arranged, the vibrating position can be flexibly adjusted, direct vibration operation can be conveniently performed on the bubble position, and then the bubble can be conveniently dispersed and separated.

The forest protection device comprises a first protection structure, a second protection structure, a third protection structure and a fourth protection structure, the first protection structure, the second protection structure, the third protection structure and the fourth protection structure are all arranged on the periphery of a machine frame of the excavator, and the first protection structure is arranged on the edge of the right side of the excavator. The second protection structure is arranged at the top of the rear end of the excavator, the third protection structure is arranged at the edge of the left side of the excavator, and the fourth protection structure is arranged on the outer side of a cab of the excavator.

The utility model discloses a smoke alarm with a mechanical emergency lighting lamp, which relates to the technical field of smoke alarm and comprises a fixing box, an upper cover is fixedly connected onto the fixing box, four corners of the fixing box are fixedly connected with fixing sleeves, locking mechanisms are arranged at the fixing sleeves, and the mechanical emergency lighting lamp is fixedly connected with the fixing sleeves. The fixing box is fixedly connected to the fixing frame through a locking mechanism, a fixing part for fixing the locking mechanism is arranged on the fixing frame, a smoke alarm component is arranged in the fixing box, and the side face of the fixing box is connected with an illuminating lamp through an angle adjusting module; smoke is detected in time through the smoke alarm component, an alarm is given out, precious time is won for people to escape, meanwhile, the circuit board controls the illuminating lamp to emit light, people can conveniently distinguish the escape direction, and escape is facilitated; the locking mechanism and the fixing part are matched with each other, the fixing box is fixed to the fixing sleeve, installation is easy and convenient, and more time needed by installation is saved.

The utility model discloses a perch out-of-season breeding temperature control device which comprises an impounding reservoir and a fishpond arranged on one side of the impounding reservoir, a controller is installed on the outer surface of the impounding reservoir, and an automatic water storage structure used for pumping underground water into the impounding reservoir to keep the water level of the impounding reservoir is arranged on the impounding reservoir. By means of the automatic water storage structure and the water treatment assembly, low-temperature underground water can be automatically pumped into the water storage pool, oxygenation and aeration can be conducted on the pumped underground water, escape of nitrogen and carbon dioxide in water is accelerated, and the weever can be effectively prevented from suffering from the bubble disease; the water temperature in the fishpond can be monitored, once the temperature is too high, low-temperature underground water is automatically injected into the fishpond, the water temperature in the fishpond is reduced to be within the range suitable for growth of perches, meanwhile, through the mild water temperature adjusting mode, rapid change of the water temperature is avoided, the perches can gradually adapt to the water temperature change, and the perches can grow more conveniently. And stress reaction caused by sudden drop of water temperature is avoided.

The utility model discloses an ultrasonic cleaning tool for small special-shaped parts, and relates to the technical field of ultrasonic cleaning, the cleaning tool comprises two side plates which are arranged at an interval and are connected through a connecting rod, and a containing space is formed between the two side plates; at least one transverse rod used for containing the small special-shaped parts is arranged in the containing space, the two ends of the transverse rod are detachably connected with the two side plates respectively, and a plurality of clamping grooves different in size are formed in the transverse rod at intervals. According to the tool, the problems of cleaning dead corners, part collision and low cleaning efficiency are solved, and high-uniformity and high-stability batch cleaning is achieved; the tool is of a four-face hollowed-out structural design, it is guaranteed that ultrasonic energy evenly penetrates through the tool, and cleaning fluid circulation and bubble escape are accelerated. Due to the detachable design of the cross rods and the side plates, notches of different specifications can be designed on each face according to the sizes of cleaning elements needing to be placed, and the practicability of the cleaning tool is improved.

The utility model discloses a four-terminal resistor which comprises a resistor alloy, a base body for bearing the resistor alloy, an adhesive film positioned between the resistor alloy and the base body, end face electrodes positioned at two ends of the bottom of the resistor alloy and two voltage sampling points positioned at the bottom of the resistor alloy, and the two voltage sampling points are positioned between the end face electrodes at the two ends. According to the four-terminal resistor, the voltage acquisition point is isolated from the current input point, so that signal acquisition deviation caused by current and voltage signal interference is avoided.

The invention provides a multi-kettle series continuous polymerization system and a production method, and relates to the technical field of chemical production equipment. The system comprises a plurality of polymerization kettles which are connected in series, the polymerization kettles are sequentially connected in series through overflow pipes, and at least one overflow pipe is arranged in each polymerization kettle; the overflow pipe extends downwards from the inside of the polymerization kettle and is led out from the bottom or the side wall of the lower part of the polymerization kettle, the overflow pipe of the previous-stage polymerization kettle is led to a feeding hole of the next-stage polymerization kettle, and the overflow pipe of the last-stage polymerization kettle is led to a post-treatment system; a potential difference exists between the adjacent polymerization kettles; and the overflow pipe forms an inclined angle between a part or all of the micro-branched pipe sections of the main body section in the polymerization kettle and a plumb line. Stable liquid level control and stable material transmission are achieved through a pure mechanical overflow pipe structure, an interstage pump and a complex detection control instrument are not needed, and equipment investment, maintenance cost and energy consumption are reduced; the material flows downwards naturally, gas-liquid entrainment is reduced, the pressure fluctuation resistance is high, and operation is stable and reliable.

A method of producing a liquid organic hydrogen carrier (LOHC). The method includes delivering a hydrocarbon feed stream rich in aromatic hydrocarbons to a thermal treatment unit to convert olefin compounds to heavier compounds by a dimerization reaction and generate a dimerized feed stream; delivering the dimerized feed stream to a fractionation unit to form a light fraction stream and a heavy fraction stream at a cut point of 115°C to 150°C; and delivering the light fraction stream to an aromatic hydrocarbon extraction unit to form an aromatic compound stream and a non-aromatic compound stream. The method also includes delivering the aromatic compound stream and an input hydrogen stream to a hydrogenation unit to form a hydrotreated effluent stream; and delivering the hydrotreated effluent stream to a separator to remove unsaturated compounds, thereby isolating a saturated compound as a LOHC stream.

The utility model discloses protective safety laminated glass for buildings, which comprises a window frame, glass plates and rapping bars, the glass plates in double-layer design are erected on the inner wall of the window frame, a partition plate is mounted at one corner of the window frame, the rapping bars are arranged on the window frame along the inner side of the partition plate, and the rapping bars are distributed along the corners of the glass plates. A knocking head penetrates into one end of the knocking rod, a connecting plate is movably connected to the outer wall of the end, along the knocking head, of the knocking rod, and a first connecting shaft and a second connecting shaft penetrate into the two ends of the connecting plate correspondingly. When the protective safety type laminated glass for the building is used, the double-layer glass plate breaking structure adopts a first-level lever structure design, the requirement of a user for breaking the whole double-layer glass plate is met, convenience is brought to people who escape from or rescue a room subsequently, the double-layer glass plate breaking structure serves as a prevention structure, a good safety protection effect is achieved, and the service life of the double-layer glass plate is prolonged. The situation that the double-layer glass plate is difficult to break due to disasters is reduced, and convenience is brought to follow-up rescue or escape.

The present application relates to the technical field of heat treatment, in particular to a sliding rail sleeve heat treatment clamping device and method. It comprises a support base, a wedge-shaped base, a fork-shaped pressing plate and a lifting support column, one end of the lifting support column is fixedly connected with the central area of the support base, the fork-shaped pressing plate is installed in cooperation with the wedge-shaped base to clamp the flange end of the sliding rail sleeve; a plurality of wedge-shaped bases are radially arranged at the peripheral positions of the support base with the lifting support column as the axis. The purpose of the sliding rail sleeve heat treatment clamping device and method is to solve the problem that the water quenching effect of the tail of the sleeve is poor due to the existence of air / steam retention in the traditional sleeve heat treatment process.

The invention relates to a method of operating a vehicle, including generating a minimal risk maneuver request of the vehicle in response to a determination that there is an abnormality in a state of the vehicle, in response to the minimal risk maneuver request being generated, selecting a minimal risk maneuver type from among a plurality of minimal risk maneuver types based on the state of the vehicle, and performing a minimal risk maneuver based on the selected minimal risk maneuver type.

The utility model provides a kind of petroleum chemical impurity filtering equipment, belong to petroleum chemical technical field;Including tank body, the inner wall of tank body is equipped with the filter assembly that the gas impurity in petroleum is filtered;The filter assembly includes feed pipe, the feed pipe is connected in one side of tank body, the top of tank body is connected with exhaust pipe, the inner wall of tank body is slidably provided with several separation plates, the both sides of separation plate are fixedly provided with connecting plate, connecting plate and the inner wall of tank body slide, several separation holes are opened in separation plate, the inner wall of tank body is fixedly provided with baffle in one side of feed pipe, the end of exhaust pipe close to tank body is fixedly provided with demisting block, by the effect of separation plate, demisting block and other structures, using density difference, temperature change, silk screen condensation and other principles, gas, liquid and water in petroleum associated gas are effectively separated, so that the gas discharged finally is pure, improve the purity and quality of resource.

The utility model discloses a coal mine ventilation rescue emergency channel, and relates to the technical field of coal mine ventilation rescue channels, the coal mine ventilation rescue emergency channel comprises a rescue pipeline, the inside of the rescue pipeline is fixedly connected with a plurality of crawling ladders, and the coal mine ventilation rescue emergency channel has the beneficial effects that trapped people can conveniently climb to the upper part of the rescue pipeline through the crawling ladders; through mutual cooperation of a winch, a traction rope, an anti-falling safety garment and a guide wheel, rescue of injured people is facilitated, a third rotating shaft is rotated to drive a worm to rotate, so that a second rotating shaft and a worm gear are driven to rotate, and then a protective net plate is driven to rotate; or a fifth rotating shaft and a second bevel gear are rotated to drive a first bevel gear and a fourth rotating shaft to drive a third rotating shaft, a worm, a second rotating shaft and a worm gear to operate, and the protective net plate is put down; therefore, trapped persons outside the rescue pipeline can conveniently enter the rescue pipeline through the escape exits to escape, or trapped persons climbing up from the lower portion can conveniently escape through the escape exits.

The utility model discloses a novel agricultural fertilizer production device, and belongs to the technical field of liquid fertilizer production. The device comprises a tank body, a liquid outlet pipe is arranged at the bottom of the tank body; a valve is arranged on the liquid outlet pipe; a feeding structure for beating solid raw materials is arranged on the top surface of the tank body; the stirring assembly is arranged on the tank body; the degassing assembly comprises an ultrasonic generator, a transducer and a vibration rod; the transducer is arranged on the top surface of the tank body; the transducer penetrates through the tank body and extends into the tank body; one end of the vibrating rod is connected with the transducer; the vibrating rod is positioned in the tank body; and the transducer is in circuit connection with the ultrasonic generator. The liquid fertilizer can be stirred and degassed at the same time, the production process of the liquid fertilizer is effectively simplified, and the production cycle is shortened.

This invention discloses a hot riveting and welding forming device for automotive interior plastic panels, belonging to the field of automotive interior processing technology. It includes a clamp at the upper end of a housing, with first electric rods fixedly connected to both sides of the upper end of the housing. A moving component is located at the lower end of the first electric rods, and a support plate is fixedly connected to the lower end of the moving component. A welding and riveting component is located at the lower end of the support plate, and a welding and riveting component is located at the lower end of a first slide rail. The welding and riveting component includes a second electric rod fixedly connected inside the support plate, with the output end of the second electric rod fixedly connected to the moving plate. By setting up the welding and riveting component, and utilizing a constant force spring in conjunction with the meshing of gears and gear blocks, the pressure of the melting head on the plastic column is kept constant. Compared with existing technologies, this effectively avoids the problem of plastic column collapse due to excessive pressure or loosening of the riveting due to insufficient pressure, resulting in more perfect melting and forming of the plastic column and a more stable and reliable hot riveting effect.

The application discloses a manual zero-gravity skeleton with a manual leg support, which comprises a lower slide rail fixed to a vehicle body, an upper slide rail in sliding cooperation with the lower slide rail, a seat frame skeleton fixedly connected with the upper slide rail, a backrest skeleton, and an angle adjuster connecting the seat frame skeleton and the backrest skeleton. The application realizes zero-gravity adjustment through a pure mechanical structure, does not depend on a vehicle electrical system, has long service life and high stability of mechanical components, and can still adjust the seat when colliding and being powered off, thereby improving passive safety. Through linkage unlocking and pneumatic buffering, posture switching is smooth at a constant speed, and the switching is completed within 2-3 seconds, so that balance response speed and comfort are achieved. The leg support is driven by a torsional spring, is convenient and labor-saving, and supports a comprehensive leg support mechanism, the lifting power of which is provided by the torsional spring, is automatically positioned after being unlocked, reduces operation force, and realizes one-key unfolding. In cooperation with the zero-gravity posture, the application provides comprehensive support from legs to back for a passenger, and effectively disperses body pressure.

The invention discloses a method for refining low-carbon low-sulfur steel through vacuum carbon deoxidation, and relates to the technical field of molten steel external refining. The process method comprises the following steps: carrying out pre-deoxidation by adopting a carbon source alloy material without using a metal deoxidation material; vacuum carbon deoxidation treatment is carried out under the condition that the vacuum degree is smaller than or equal to 100 Pa; the flow of the stirring gas is controlled to be 0.2-1.0 NL / (t.min); controlling the vacuum holding time to be not more than 5 minutes and the vacuum period to be not more than 15 minutes; the method comprises the following steps: controlling the tapping temperature of a primary smelting furnace to be 1620-1680 DEG C; in the LF station refining process, the binary alkalinity of refining slag is controlled to be 5.0-8.0, and diffusion deoxidation and white slag making are conducted in cooperation with a metal deoxidizing agent; the low-carbon and low-sulfur steel is produced through organic combination of vacuum carbon deoxidation and LF refining on the premise that a metal deoxidation material is not used for pre-deoxidation, the total oxygen content in the steel can be controlled to be 15 ppm or below, and the sulfur content can be controlled to be 0.005% or below.

This invention relates to the field of proton exchange membrane electrolyzers, and discloses a bipolar plate flow channel design for a proton exchange membrane electrolyzer based on honeycomb biomimetic principles. The design includes: an electrolyte inlet, a gas-liquid mixture outlet, a honeycomb biomimetic flow field region, an inlet distribution region, and an outlet collection region. The electrolyte inlet supplies deionized water into the flow channel; the gas-liquid mixture outlet discharges a mixture of electrolyte, hydrogen, and oxygen; the honeycomb biomimetic flow field region is composed of several periodically and closely arranged regular hexagonal flow channel units, covering the effective reaction area on the anode side of the bipolar plate; the electrolyte inlet and the gas-liquid mixture outlet are connected through a connecting channel within the honeycomb biomimetic flow field region. The flow channels of this invention exhibit a more uniform velocity field distribution and a more reasonable pressure field distribution, verifying that they maintain excellent and stable hydrodynamic performance under different operating conditions.

A kind of low vacuum laser welding method for GH4169 high-temperature alloy and SS304 stainless steel, the present application belongs to laser welding technical field.The present application solves the problem that the existing welding method cannot realize the low-cost and high-quality connection of medium thickness and above GH4169 alloy and SS304 stainless steel.One, welding assembly;Two, low vacuum laser welding;Three, heat treatment.The present application is used for the low vacuum laser welding of GH4169 high-temperature alloy and SS304 stainless steel.

The utility model belongs to the technical field of chemical equipment, and discloses a rotating device convenient for gas dissipation and sealing, the device comprises a blocking cover 1 and a reactor, the blocking cover is arranged along the horizontal direction, the reactor is arranged along the vertical direction, and the lower surface of the blocking cover and the upper surface of the reactor can be detachably connected; the blocking cover can block gas in the reactor from flowing out of the reactor upwards in the vertical direction. The relative position of the rotary bulge and the clamping groove of the reactor is adjusted by rotating the blocking cover, so that rapid switching between a gas dissipation mode (dislocation) and a closed mode (opposite) is realized, the requirements of different reaction stages are met, a container does not need to be replaced or reactants do not need to be transferred, and the operation process is remarkably simplified.

The application relates to a device and a method for preparing a fluorine-based glass optical fiber preform rod cladding hollow tube. In the device, by reducing the air pressure in a closed crucible environment and assisting with a constant rotation rate, dissolved gas in the glass liquid can be effectively removed, and a fluorine-based glass preform rod cladding hollow tube without bubbles, high uniformity and high interface quality can be automatically / semi-automatically prepared. The method has a short preparation period and is expected to be applied to the preparation of a fluorine-based optical fiber preform rod with a high-quality core-cladding structure.

The utility model discloses an offshore oil platform emergency escape channel device, which relates to the technical field of offshore emergency escape and comprises an oil platform body, a limiting component is fixedly mounted on the left side of an inner cavity at the bottom of the oil platform body, and an emergency escape channel is fixedly mounted in an inner cavity at the top of the oil platform body. A life raft is fixedly installed at the bottom end of the emergency escape channel, the life raft is of a polygonal structure, and the emergency escape channel is made of high-strength wear-resistant materials. According to the utility model, people are guided to quickly and stably slide down in the plurality of channel outer nets through the spirally distributed slideway nets, so that the escape is convenient, and the plurality of slideway nets are reversely arranged, so that the people slide down from the channels like walking stairs, the impact of sliding down of the people is reduced, and the people can safely reach the life raft; and a rapid and safe evacuation path can be provided for personnel on the platform in emergency situations such as fire disasters and explosions.

According to the cable seamless welding method provided by the invention, the two cables can be seamlessly connected in a mode of being integrally welded with the original cable body, the current-carrying performance and the strength of a connecting joint which is manufactured by the cable seamless welding method and is used for connecting the two cables are consistent with those of the cable body, and the cable seamless welding method is high in reliability. And the cable seamless welding method reduces the experience dependence on operators, and improves the consistency and reliability of cable connection work.

The application provides an alloy profile preparation device. The alloy profile preparation device comprises a heating box and a forming assembly. The heating box comprises a box body, an ultrasonic homogenization probe and a melting furnace. The melting furnace comprises a furnace body and a furnace cover. The melting furnace is arranged in the box body. The ultrasonic homogenization probe is installed on the top of the box body and extends into the furnace body through the furnace cover. The ultrasonic homogenization probe is used for forming an acoustic pressure wave by generating high-frequency vibration. The acoustic pressure wave propagates in the alloy solution melted in the melting furnace to realize homogenization of the alloy solution. The forming assembly comprises a water cooling assembly, a guide rod and a casting and rolling machine. The melting furnace is communicated with the guide rod through an electromagnetic valve. The guide rod is used for guiding the alloy liquid flowed out of the melting furnace to the casting and rolling machine for rolling to form an alloy profile. The water cooling assembly is arranged at the guide rod to cool the alloy solution flowed out of the melting furnace. The alloy profile preparation device can realize preparation of high-quality alloy profiles.

The invention discloses a signal peptide, a polypeptide-nucleic acid conjugate and a synthesis method and application thereof, and belongs to the technical field of molecular biology. The signal peptide is one of NPXY, YXXphi, [DE] XXX [LI] and DXXLL; wherein X is any amino acid, phi is any large-volume hydrophobic side chain amino acid, [DE] represents one of D and E, and [LI] represents one of L and I. In addition, the invention also provides application of the signal peptide in preparation of a compound capable of penetrating through a cell membrane or a body tissue barrier by being connected with a nucleic acid fragment. The invention also provides a polypeptide-nucleic acid conjugate which is a conjugate of any one of the signal peptides and siRNA (small interfering Ribonucleic Acid). After several signal peptides provided by the invention are coupled with the siRNA, the siRNA can be promoted to escape into cytoplasm from an endosome, so that the siRNA drug transfection efficiency is improved.

The utility model relates to the technical field of washing towers, in particular to an environment-friendly efficient waste gas washing tower which comprises a water tower and a gas tower, purification liquid is filled in the water tower, a gas inlet pipe is arranged on the side wall of the gas tower and communicated with the inside of the gas tower, and a gas filtering layer is arranged at the top of the gas tower and located above the gas inlet pipe. A recovery layer is arranged at the top of the gas tower and located above the gas filtering layer, the recovery layer is communicated with the gas inlet pipe and comprises a mounting ring mounted on the top surface of the gas tower, a blocking layer is arranged on the surface, away from the gas tower, of the mounting ring, a pipeline is arranged in the mounting ring, and the gas filtering layer, the blocking layer and the inner ring wall of the mounting ring jointly define a recovery cavity; according to the waste gas purification device disclosed by the utility model, secondary recovery and purification are carried out on waste gas which is subjected to spraying purification, toxic and harmful gases and solid particles are further reduced, and the purification sufficiency is ensured.