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

The invention discloses a hose depoling method, in specific: after a hose model is molded, high-pressure medium is led to the contact surface between a model core and a hose; the high-pressure medium leads the hose to have radial expansion, and the model core is taken out after the hose and the model core mutually separate. A hose depoling device used for applying the method comprises a support device and an annular plug; wherein the support device is used for supporting the hose with the model core; one end of the annular plug is inserted into the contact surface between the model core and the hose; the annular plug can be used for leading the high-pressure medium to the contact surface between the model core and the hose; the high-pressure medium leads the hose to have radial expansion, and the model core is taken out after the hose and the model core mutually separate. By means of the characteristics of high-pressure air or high-pressure water, the method and the device can easily take out the hose with multiple corrugations and long length, thereby solving the problems of difficult depoling and depoling fail of the prior art. Furthermore, the device has the advantages of simple structure, high efficiency and low cost, etc.

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.

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 embodiment of the invention relates to a screen mounting leveling tool. A screen is formed by splicing and fixing at least two LED boxes, the screen mounting leveling tool comprises a leveling base plate and at least two pull hooks; and the leveling base plate comprises a first surface, the first surface is a plane, the leveling base plate is provided with at least two second through holes, and the pull hooks each comprise a hook part and a pulling part which are fixedly connected. When the screen mounting leveling tool is in a working state, the leveling base plate is located above the two adjacent LED boxes, the first surface faces one sides of the LED boxes, the pulling parts can penetrate through the second through holes in an up-down moving mode, the pull hooks can pull the LED boxes to move up and enable the top surfaces of the LED boxes to abut against the first surface, the mutually fixed positions of positioning pins and positioning pin holes and the mutually fixed positions of lock catches and lock catch buckling positions are finely adjusted, and the height drop of a screen body due to the accumulated mechanical tolerance is eliminated.

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 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 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.