32results about How to "Easy to come out" patented technology

A landing door foot protection plate belongs to elevator mechanical parts and comprises a protection plate body. A groove is arranged on the protection plate body, and at least two connection rods arranged in parallel are connected in the groove. Due to the fact that the groove is arranged on the protection plate body and the connection rods are connected in the groove, a ladder is formed, and maintainers can come out from a lift car conveniently and can reach a crawling ladder of a shaft. The landing door foot protection plate is simple in structure and convenient to use, has the effective effects of protection and isolation, and can serve as the ladder. The maintainers can move from the lift car to the shaft conveniently, and safety is improved.

A burner for a cooking stove comprises an upper layer flame hole, a lower layer flame hole, and an ignition flame hole, the upper and the lower layer flame holes are placed on a circumferential surface of a burner head formed of a lower head component and an upper head component, wherein the lower layer flame hole is determined between the lower head component and a burner main body, the upper layer flame hole is determined between the upper head component and the lower head component. Therefore, the burner is not ignited in the case of forgetting to set the upper head component, which can prevent backfire or poor burning because the flame transfers to the mixed gas for the upper layer flame hole. The solution is that: an objective part opposite to a spark plug is arranged on one of the lower head component and the upper head component; the ignition flame hole, which is placed in the circumferential surface of the lower head component and on the lower side of the objective part, communicates the space between the lower head component and the upper head component; furthermore, the ignition flame hole is formed in a way of facing toward the circumferential surface of the lower head component and inclining downward.

The invention relates to a method for breeding a fast-growing silkie chicken line. In the method, a Taihe black-bone chicken taken as a male parent and a fast-growing yellow-skin or white-skin chicken taken as a female parent are hybridized so as to generate an F1, the Taihe black-bone chicken taken as a male parent is backcrossed with female in the F1 generation, and the fast-growing silkie chicken line is obtained through purification. The bred silkie chickens can realize stable inheritance, can be directly applied to production and also can be hybridized with corresponding local chickens. Therefore, excellent-characteristic chicken lines are bred.

The invention discloses a safety protection damping device for automobile bottom maintenance. The device comprises a first lying plate, an adjusting plate is arranged at the rear end of the first lying plate, the adjusting plate and the first lying plate are connected together in an inserted mode, a second lying plate is arranged right behind the first lying plate, adapters are arranged on the twosides between the second lying plate and the adjusting plate, and the adapters are rotatably connected with the second lying plate and the adjusting plate. The problems in the prior art that an automobile is erected through a jack, uncertainties exist, the jack is prone to failing, the automobile hits a maintainer at the bottom of the automobile, and the body of the maintainer is prone to being hurt are solved. By improving and optimizing the protection damping device of the automobile, the automobile maintainer can lie on the lying plates to crawl into the bottom of the automobile to maintain the automobile, the lying plates provide convenience for workers to come out of or enter the bottom of the automobile and maintain the bottom of the automobile, and the lying plates have a certain protection effect.

The invention relates to the technical field of batteries, and discloses a battery electrode piece and a preparation method thereof. The preparation method comprises the following steps: coating a current collector with slurry for the first time, and performing rolling for the first time after drying is conducted, so that a high-compaction coating is formed on the current collector, and the high-compaction coating and the current collector jointly form a prepared electrode piece; coating the slurry on the high-compaction coating for the second time, performing drying and rolling for the secondtime to form a low-compaction coating on the high-compaction coating, and forming the battery electrode piece by the low-compaction coating and the prepared electrode piece. The battery electrode piece prepared by the method provided by the invention can effectively reduce the internal resistance of the battery, improve the electrolyte infiltration performance, increase the discharge capacity andimprove the coulombic efficiency and cycle performance while maintaining the high energy density of the battery.

The invention relates to the gas inlet and exhaust safety field of a liquefied gas bottle and especially relates to a gas inlet and exhaust safety system of the liquefied gas bottle and a using method. The system comprises a safety valve assembly, a liquid inlet pipeline, a self-pressurization pipeline, a liquid outlet pipeline, a gas supply pipeline, an economic pipeline and a tank body. An air inlet of the safety valve assembly is connected with a liquid outlet of the tank body. An air outlet of the air supply pipeline is connected with an air inlet of an automobile engine. By using the liquefied gas bottle, when a liquefied gas in a vehicle bottle is vaporized, under effects of a self-pressurization pipe safety valve assembly and the economic pipeline, the liquefied gas in the liquefiedgas bottle is released and used, pressure in the liquefied gas bottle is ensured, internal expansion of the liquefied gas bottle is avoided, and bulging or explosion of the liquefied gas bottle is avoided too. When the liquefied gas in the liquefied gas bottle is used too much, the pressure in the bottle is reduced, and the liquefied gas is vaporized through the self-pressurization pipeline so that the internal pressure of the liquefied gas bottle is increased, and the liquefied gas can be discharged from the liquefied gas bottle conveniently.

The invention discloses an elevator system for selecting a floor through voice control. The elevator system comprises an elevator port and an elevator central control system, wherein the elevator portand the elevator central control system are arranged on a wall; a first passage for passengers to get off the elavator is arranged on the front direction of the elevator port; a second passage for the passengers to get on the elevator is arranged on the side direction of the elevator port; waiting positions for the passengers to stand are arranged on the ground of the second passage at intervalsalong the length direction of the second passage; a voice floor selection device for the passengers to select the floors is arranged at the second passage; the voice floor selection device comprises amicrophone and a voice recognition chip; and a microphone is arranged at each waiting position correspondly. According to the elevator system for selecting the floor through voice control, the elevator riding order can be regulated, and the using efficiency of the elevator is effectively improved. In addition, in the time period of waiting for the elevator, the passengers can select the floors byvoice, and the passengers do not interfere with each other in the process of selecting the floors by voice, so that the operation is convenient and fast, and the riding experience of the elevator iseffectively improved.

A landing door foot protection plate belongs to elevator mechanical parts and comprises a protection plate body. A groove is arranged on the protection plate body, and at least two connection rods arranged in parallel are connected in the groove. Due to the fact that the groove is arranged on the protection plate body and the connection rods are connected in the groove, a ladder is formed, and maintainers can come out from a lift car conveniently and can reach a crawling ladder of a shaft. The landing door foot protection plate is simple in structure and convenient to use, has the effective effects of protection and isolation, and can serve as the ladder. The maintainers can move from the lift car to the shaft conveniently, and safety is improved.

The invention discloses an MRI compatible artificial cochlea magnet. The magnet comprises a base, an upper shell, a holding mechanism, a plurality of magnets and a lower shell, wherein the upper shelland the lower shell form a closed space, the holding mechanism and the magnets are contained in the closed space, the base is in a circular ring shape with threads, the bottom face of the upper shellis in a circular bowl shape, and the periphery of the upper shell is provided with threads; the lower shell is in a disc shape and covers the bowl-shaped opening of the upper shell, and the upper shell and the lower shell are assembled in the base. The magnet is arranged in the holding mechanism, consists of an N pole and an S pole which are axisymmetric, and can rotate at any angle by taking a central shaft as a center in the holding mechanism; the outer portion of the maintaining mechanism is in a cake shape, and the maintaining mechanism can rotate at any angle with the cake-shaped circlecenter as the axis in a closed space formed by the upper shell and the lower shell. The magnet can rotate at any angle in the maintaining mechanism according to the change of the direction of an external magnetic field, and the whole disc shape of the maintaining mechanism can also rotate at any angle with the circle center as the center.

The invention relates to the technical field of fishing poles, and discloses a fishing pole plug structure. The fishing pole plug structure comprises a front plug plugged to a front end hole of the fishing pole, and a rear plug plugged to a rear end hole of the fishing pole, wherein the rear plug is provided with a rear external segment placed outside the fishing pole, a threaded hole is formed inthe rear external segment and communicates with the inner part of the fishing pole, the front plug is provided with a front inserting segment inserted to the front end hole of the fishing pole, and athread column in thread fit with the threaded hole is convexly arranged at the front end of the front inserting segment; and front water drainage holes penetrating through the front plug are formed in the front plug, and after the front inserting segment of the front plug is inserted to the front end hole of the fishing pole, the front water drainage holes communicate with the inner part of the fishing pole. When the front plug is plugged to the front end hole of the fishing pole, the rear plug is plugged to the rear end hole of the fishing pole, and the front water drainage holes can guarantee inner ventilation of the fishing pole, so that vapour is convenient to go out. After the front plug is disassembled, through cooperation of the thread column and the threaded hole, the front plug is connected to the rear plug, missing of the front plug is avoided, and the effect of counter weight can be achieved.

The invention provides a fork-transportation tool. The fork-transportation tool comprises an arc-shaped part and a cavity, wherein the cavity is at least partially accommodated in the circular arc ofthe arc-shaped part; the cavity is fixedly connected to the arc-shaped part through a supporting part; and the cavity is used for accommodating and supporting a fork arm of a forklift. The fork-transportation tool is in arc-surface contact with an inner-diameter hole of a coiled material, so that the coiled material is protected in fork-transportation, unqualified tailings caused by coiled material fork-transportation link are reduced, and product quality is improved. Moreover, the fork-transportation tool is simple and compact in structure, is convenient in loading and unloading, is low in cost and is high in reliability.

The invention relates to the technical field of piston manufacturing, and discloses equipment for detecting the cutting size in the piston manufacturing. The equipment comprises a groove body; the bottom of the groove body is movably connected with a movable plate, the surface of the groove body is movably connected with a rotating shaft, the upper end of the rotating shaft is movably connected with a baffle plate, the top of the baffle plate is movably connected with a liquid storage box, a sliding groove is formed inside the rotating shaft, the surface of the sliding groove is movably connected with a flushing plate, the surface of the flushing plate is movably connected with a water spraying plate, a pressure applying piece is movably connected to the side, away from the water sprayingplate, of the flushing plate, the bottom of the flushing plate is movably connected with a spring rod, the lower end of the spring rod is movably connected with a cam, the surface of the cam is movably connected with a toothed plate, the surface of the toothed plate is movably connected with a cutting knife, whether the size of an aluminum block is qualified or not can be known by observing the contact splashing degree of water and the aluminum block and the sliding speed of the aluminum block from the groove body, and therefore the effects of detecting the size of a piston and completing flushing work after pouring are achieved.

The invention discloses a feed system based on an oil superheater for the production of phthalic anhydride, which includes a tube reactor, a feed tube is arranged on the outer surface of the upper end of the tube reactor, and one of the feed tubes is The outer surface of the side is provided with an air pipe, the outer surface of one side of the tube reactor is provided with a crude benzene storage bin, the outer surface of the upper end of the crude benzene storage bin is provided with an oil superheater, and the other side of the crude benzene storage bin A steam generator is arranged on the outer surface of one side. The other outer surface of the steam generator is provided with a first distillation tower, the upper outer surface of the first distillation tower is provided with a waste gas filter mechanism, and the other outer surface of the first distillation tower is provided with a connecting pipe . A feed system based on an oil superheater for the production of phthalic anhydride according to the present invention facilitates the production of phthalic anhydride, increases safety, and prevents waste gas from being directly discharged, causing pollution, etc., bringing Better prospects for use.

The invention discloses a film positioning device for reactor pressure vessel connecting pipe welding seam inspection, the device comprises a film fork and a film bracket, the film fork and a film cassette form an integral body, the film bracket and an inspected welding seam form another integral body, and the film fork and the film bracket are quickly connected, and finally, accurate positioning between the film cassette and the inspected welding seam is realized. The beneficial effects of the device are that the rubber gasket is pasted on the inner side of the bracket to protect the surface of the inspected part and increase the friction force. On the premise of ensuring sufficient rigidity and strength, the weight of the equipment is reduced. The whole bracket can be split into two semicircular parts, and the two ends of the bracket are connected through the detachable hinge and the quick fastening device respectively, so that the integrity of the bracket during use is guaranteed, and transportation and installation in a narrow space can be facilitated.

The invention discloses a specific sulfur recovery treatment device for insoluble sulfur solvent. The device comprises a storage box and a connecting box, a water pump is fixedly arranged at one sideinside the storage box, and the liquid outlet end of the water pump is fixedly connected with one end of a sulphur conveying pipe; the other end of the sulphur conveying pipe is fixedly connected withthe top of the connecting box, a flow dividing pipe is fixedly arranged at the bottom of the connecting box, and several sulphur outlet pipes are arranged at the bottom of the flow dividing pipe; a pulverizing box is arranged at the bottom of a sulphur spraying head, two motors are fixedly arranged at one side inside the pulverizing box, and the output ends of the two motors are fixedly connectedwith two rollers. By arranging the water pump, liquid-state sulphur in the storage box is conveyed to the inside of the connecting box through a conveying pipe, by arranging a resulfurization pipe, when the liquid-state sulphur is excessive in the connecting box, the liquid-state sulphur can be conveyed to the inside of the storage box through the resulfurization pipe, by arranging two rollers, solid-state sulphur can be pulverized, and by arranging an oblique plate, the pulverized solid-state sulphur can be conveniently discharged from a discharge hole.

The invention discloses an oil superheater-based feeding system for phthalic anhydride production, which comprises a tubular reactor, a feeding pipe is arranged on the outer surface of the upper end of the tubular reactor, an air pipe is arranged on the outer surface of one side of the feeding pipe, a crude benzene storage bin is arranged on the outer surface of one side of the tubular reactor, an oil superheater is arranged on the outer surface of the upper end of the crude benzene storage bin, and a steam generator is arranged on the outer surface of the other side of the crude benzene storage bin. A first distillation tower is arranged on the outer surface of the other side of the steam generator, a waste gas filtering mechanism is arranged on the outer surface of the upper end of the first distillation tower, and a connecting pipe is arranged on the outer surface of the other side of the first distillation tower. The feeding system for phthalic anhydride production based on the oil superheater has the advantages that the safety is improved while phthalic anhydride production is facilitated, meanwhile, waste gas is prevented from being directly discharged, pollution is avoided, and better use prospects are brought.

The invention discloses a double-air-bag tracheal foreign body extractor which comprises a hollow hose, an extraction air bag, a supporting air bag and a conical elastic soft head, wherein the extraction air bag, the supporting air bag and the conical elastic soft head are connected with the hollow hose. The longitudinal section of the extraction air bag is in a double-U shape, and the extraction air bag is made of materials which are good in elasticity and strength. The longitudinal section of the supporting air bag is in a shape like a Chinese character 'ao', and the supporting air bag is made of materials which are good in strength and poor in elasticity. The two air bags are connected with an inner cavity through air holes formed in the wall of the hollow hose encircled by the two air bags. The front end of the hollow hose is connected with the conical solid elastic head. The glottis is exposed through a laryngoscope, the extractor is coated with lubricating oil, when the conical elastic soft head is put into trachea and gradually put deep into the position close to the tracheal bifurcation, a moderate amount of gas is injected into the hollow hose through an injector until the hollow hose can be pulled out exactly, then the hollow hose is pulled out slowly until the hollow hose is close to the glottis, then the moderate amount of gas is injected again, the diameter of the front end of the hollow hose becomes small until the hollow hose can pass the glottis easily, the air bags are pulled out, and foreign bodies can be taken out. The double-air-bag tracheal foreign body extractor has the advantages of being convenient and fast to use, free of a bronchoscope, free of secondary injury and capable of taking out a plurality of small foreign bodies at a time.

The invention relates to the field of medical apparatus and instruments, and particularly discloses a multifunctional valve opening measuring device for valve annuloplasty, which comprises a diameter measuring cylinder for measuring the diameter of a valve opening, a clamping piece and a traction piece, the clamping piece is arranged at the lower end of the diameter measuring cylinder and can extend or contract along the radial direction of the diameter measuring cylinder; the inner end of the traction piece extends into the diameter measuring cylinder and is connected to the inner wall of the diameter measuring cylinder or the clamping piece, and the outer end of the traction piece extends out of the diameter measuring cylinder. The device not only can be used for measuring the caliber of the valve opening, but also is beneficial for preventing ring shrinkage operation from deviating from a preset valve opening area.

An embodiment of the present invention relates to a screen installation leveling tool, the screen is formed by splicing and fixing at least two LED boxes, the screen installation leveling tool includes a leveling base plate and at least two pull hooks; the leveling base plate includes The first surface, the first surface is a plane, the leveling substrate is provided with at least two second through holes, the pull hook includes a fixedly connected hook portion and a pulling portion, when the screen installation leveling tool is in the In the working state, the leveling substrate is located above two adjacent LED boxes and the first surface is facing one side of the LED boxes, and the pulling part can be moved up and down through the second through hole, The pull hook can pull the LED box to move up and make the top surface of the LED box contact the first surface, so that the positioning pin and the positioning pin hole, the lock buckle and the locking buckle position are fixed to each other. Fine-tuning to eliminate the height difference of the screen caused by accumulated mechanical tolerances.

The invention discloses a disengaging method and device of an anti-roll torsion bar sleeved in an arm sleeve of a torsion arm. The disengaging method comprises the following steps: firstly, heating the arm sleeve of the torsion arm which is sleeved on the end part of the torsion bar to reach a set temperature; and quickly cooling the end part, sleeved in the arm sleeve, of the torsion bar to ensure that the end part is shrunk and loosened. The invention also discloses a disengaging device of the anti-roll torsion bar sleeved in the arm sleeve of the torsion arm. The device comprises a heater and a water injection tube, wherein a heating hole is formed in the heater; the heating hole is equipped with electric heating parts which are circumferentially arranged; when the device is used, the end part of the torsion bar is positioned in the heating hole of the heater, the arm sleeve of the torsion arm which is sleeved on the end part of the torsion bar is heated; and and when the temperature rises to the set value, water is injected into a water sprinkling hole formed in the end part of the torsion through the water injection tube. Through the disengaging method and device disclosed bythe invention, by utilizing temperature difference between expansion and contraction, the torsion arm can be easily disengaged out of the end part of the torsion arm, and damage to the torsion bar canbe avoided.

The invention relates to a precise needle head with an anti-collision function. The precise needle head with the anti-collision function comprises a tin filling cylinder, the tin filling cylinder is vertically arranged in a vertically movable mode, the upper end of the tin filling cylinder is open and detachably connected with a sealing piece, and the lower end of the tin filling cylinder is provided with a discharging port. The precise needle head with the anti-collision function has the advantages that the structure is compact, finished tin paste canning is convenient and fast, and the production efficiency is greatly improved; and meanwhile, needle head collision in the tin soldering process can be effectively prevented, and the product welding quality is guaranteed.