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61results about How to "Overcome attraction" patented technology

Granite powder composite mineral admixture and preparation method therefor

The invention relates to a granite powder composite mineral admixture and a preparation method therefor. The admixture contains raw materials, i.e., modified granite powder, modified pulverized coal ash, slag and a reinforced activator, wherein the mass content of the former three kinds of raw materials is as follows: the mass content of the modified granite powder is 40 to 70 parts, the mass content of the modified pulverized coal ash is 10 to 25 parts, the mass content of the slag is 15 to 35 parts, the sum of mass contents of the three kinds of raw materials is 100 parts, and the mass of the reinforced activator accounts for 0.1% to 0.3% the total mass of the former three kinds of raw materials. The preparation method comprises the steps: proportionally weighing the raw materials, i.e., the modified granite powder, the modified pulverized coal ash, the slag and the reinforced activator, mixing the raw materials, then, putting the mixture into a ball mill, carrying out milling until the screening volume of a square-mesh screen with the pore size of 45 microns is lower than 10%, baking the obtained screen underflow, and carrying out cooling, thereby obtaining the granite powder composite mineral admixture. According to the scheme of the invention, the activity of the granite powder is enhanced, the utilization ratio of the granite powder is increased, and thus the economic and social benefits are very good.
Owner:WUHAN UNIV OF TECH

Full-automatic gluing equipment

The invention discloses full-automatic gluing equipment. The full-automatic gluing equipment comprises a base (14); the base (14) is provided with a glue cylinder (15) for accommodating glue; a coverplate (16) is slidably connected onto the glue cylinder (15); the cover plate (16) is provided with a feeding opening (17); the feeding opening (17) is combined with a choke plug in a screwing manner;the lower end of the glue cylinder (15) is provided with a quantifying cylinder (18); an opening in the upper end of the quantifying cylinder (18) is connected with a membrane (19) which is of a sheet-like structure prepared from a rubber material; the membrane (19) is connected with the cover plate (16) through a valve rod (20); the sidewall of the quantifying cylinder (18) is provided with a flow charging way (21) which is used for communicating the quantifying cylinder (18) with the glue cylinder (15); the sidewall of the quantifying cylinder (18) is slidably connected with a vertical plate (22) which is used for communicating with or intercepting the flow charging way (21); the vertical plate (22) is connected with the valve rod (20) through a linkage unit; and the base (14) is provided with a power device used for driving the valve rod (20) to do reciprocating movement. The full-automatic gluing equipment is high in automation degree and is constant in glue spray amount every time.
Owner:南京工科社自动化科技有限公司

Assembling workbench for rotor and stator of servo motor

The invention discloses an assembling workbench for a rotor and a stator of a servo motor. The assembling workbench comprises a base, a rotor three-jaw chunk, a stator moving device and a cylinder moving device are arranged on the base, the stator moving device and the cylinder moving device respectively comprise a motor supporting base, a motor, lead screw supporting bases, a lead screw, a lead screw sleeve and a coupler, the motor is fixed to one side of the motor supporting base, a sliding rail is arranged at the upper end of the motor supporting base, the lead screw supporting bases are located at the two ends of the lead screw, the lead screw is connected with the motor through the coupler, the lead screw is sleeved with the lead screw sleeve, the upper end of the lead screw sleeve of the stator moving device is connected with a stator platform, and the upper end of the lead sleeve of the cylinder moving device is connected with a cylinder assembly. Compared with the prior art, the assembling workbench for the rotor and the stator of the servo motor has the advantages that after the stator is arranged on the platform, the center of the stator is coaxial with the center of the rotor, the rotor is supported through the cylinder and a rotor support, and the rotor is prevented from dropping due to gravity.
Owner:SHANGHAI FINEPOWER TECH

High-limestone-flour-adulterate-amount composite enhanced grinding aid for cement and preparation method of high-limestone flour-adulterate amount composite enhanced grinding aid

The invention relates to a high-limestone-flour-adulterate-amount composite enhanced grinding aid for cement and a preparation method of the high-limestone-flour-adulterate-amount composite enhanced grinding aid. The preparation method comprises the following steps that 1, materials including 18%-25% of triethanolamine, 8%-15% of triisopropanolamine, 20%-28% of ethanediol, 8%-12% of molasses, 4%-8% of polycarboxylate superplasticizer, 6%-10% of sodium sulfate, 5%-8% of glacial acetic acid and 2%-24% of water are taken; 2, the water is poured into an agitator kettle, and sodium sulfate is added to be stirred till sodium sulfate is completely dissolved; 3, glacial acetic acid is added to be completely dissolved, triethanolamine, triisopropanolamine, ethanediol, molasses and polycarboxylate superplasticizer are sequentially added after glacial acetic acid is dissolved, stirring continues to be carried out for 20-30 minutes, and the high-limestone flour-adulterate amount composite enhanced grinding aid is obtained. The high-limestone-flour-adulterate-amount composite enhanced grinding aid has the advantages that cement particles are prevented from clustering, and the cement particles are kept in a high homodisperse state; the strength of an interfacial transition zone is increased, and the strength of the cement is further increased; the grinding aiding efficiency of the grinding aid is improved.
Owner:WUHAN UNIV OF TECH

Electron microscope detection method and device of dynamic process for carrying out localized irradiation on sample surface by laser

InactiveCN107247039AAchieving tiny localized heatingAffect strong discharge damage equipment and other issuesAnalysis by thermal excitationPhysical state changeScanning electron microscope
The invention provides an electron microscope detection method and device of a dynamic process for carrying out localized irradiation on a sample surface by laser. The electron microscope detection method comprises the following steps: introducing a focused laser beam into a sample chamber of a scanning electron microscope; putting a sample on a sample platform of the scanning electron microscope and adjusting a focusing position of an electron beam and a laser beam light path, so as to overlap the focal point of the focused laser beam with the focal point of the electron beam and enable an included angle to be formed between the incidence direction of the focused laser beam and the incidence direction of the electron beam; carrying out observation detection on the sample by adopting the scanning electron microscope; outputting the focused laser beam to carry out the localized irradiation on the sample surface simultaneously or lingeringly; detecting dynamic changes of a matter structure under laser irradiation in real time through the scanning electron microscope; closing the laser; finishing the operation of the scanning electron microscope. By adopting the electron microscope detection method and device, provided by the invention, the laser localized irradiation is carried out on tiny parts of the sample, controllable physical-state changes including topspeed heating, melting, sublimation and the like can be generated on a laser irradiation micro-region and pollution to the chamber is hardly generated; a dynamic change process of the matter structure of the sample at temperature higher than a melting point can be researched.
Owner:WENZHOU POLYTECHNIC

Charging interface protection module and electric vehicle

The present invention relates to the technical field of electric vehicle charging wickets, and the objective of the invention is to solve the problems that the seal cap connection piece of a current electric vehicle charging interface is easily damaged and the charging operation is not convenient. The present invention provides a charging interface protection module and an electric vehicle. The charging interface comprises a charging socket, the protection module comprises a protection cover and a drive part, and the drive part is connected with the protection cover to drive the protection cover to be butted against the charging socket to facilitate seal of the socket outlet of the charging socket. The charging interface protection module is provided with the protection cover and the drivepart configured to drive the protection cover to allow the protection cover to be butted against or separated from the charging socket under the drive of the drive part to achieve automatic seal or opening of the socket outlet. For the electric vehicle equipped with the protection module, when the charging socket is needed to use, the protection cover does not need to be manually stripped off andto be manually put so as to simplify the operation steps, avoid the problem that a chain scratches a vehicle body or the hinge is damaged to lose a seal cover and improve the user experience.
Owner:NIO ANHUI HLDG CO LTD

Battery with indication function

The invention discloses a battery with an indication function. The battery comprises a housing, a negative plate, an electrolyte, a cell and a positive electrode terminal. The interior of the housingis divided into two cavities through a liquid sealing plate. The electrolyte is located in the cavity close to one side of the negative plate, and a transversely arranged conductive spring is arrangedin the other cavity. One end of the conductive spring makes contact with the cell, and the other end of the conductive spring is connected with a transversely arranged positive pole, wherein the positive pole is of a hollow structure, and the positive pole is connected with the positive electrode terminal through the transversely arranged spring. The positive electrode terminal is inserted into the positive pole and is in sliding connection with the positive pole. A conductive layer is arranged on the inner wall of the positive pole, a conductive sliding block is fixedly connected to the sidewall of the outer side of the positive electrode terminal, and the conductive sliding block makes contact with the conductive layer. According to the invention, the battery with the indication function can achieve the accurate indication of the use amount of the battery, and can effectively avoid an electric leakage phenomenon when the battery is not used.
Owner:JIAN CRAB KINGDOM TECH CO LTD

Automatic dredging torrent tank

The invention discloses an automatic dredging torrent tank and belongs to the technical field of municipal road engineering facilities. The torrent tank comprises a tank body, the bottom of the tank body is provided with a shallow pool in the water flow direction, two winding drums are movably mounted between the two side walls of the two ends of the shallow pool, each winding drum is provided with a rotating wheel sleeved with an annular dredging belt, and the upper edge belts of the annular dredging belts are flush with the bottom of the tank body; one side of the tank body is provided with a control chamber, the control chamber is internally provided with a motor, an output shaft of the motor penetrates through a wall between the tank body and the control chamber and is mounted at the corresponding end of one of the winding drums in a penetrating mode, the inner wall of the winding drum at the end is provided with a stretching and contracting pillar which stretches out in the radial direction, the stretching end of the stretching and contracting pillar is connected with an iron plate, springs are connected between the iron plate and the inner wall of the corresponding winding drum, an electromagnet is arranged at the position, corresponding to the iron plate, on the output shaft, and both the electromagnet and the motor are connected with a control switch through a controller. By means of the automatic dredging torrent tank, the problem that sludge deposited at the bottom of an existing torrent tank is not removed easily can be solved.
Owner:韦积分

Magnetic material powder forming mold with non-magnetic isolating structure

The invention discloses a magnetic material powder forming mold with a non-magnetic isolating structure. The magnetic material powder forming mold comprises a female die and an isolating structure, wherein the female die comprises a front side plate, a rear side plate, a left side plate and a right side plate; the front side plate, the rear side plate, the left side plate and the right side plate are enclosed to form a mold cavity; concave structures which are matched with the isolating structure are arranged on the left side plate and the right side plate on one side in the mold cavity; and the isolating structure is positioned in the concave structures and is made of a non-magnetic material. According to the magnetic material powder forming mold, the non-magnetic isolating structures are arranged inside the left side plate and the right side plate, suction force of the left side plate and the right side plate stressed during movement of the magnetic powder in the mold cavity is overcome, and the magnetic powder is prevented from being sucked to the left side and the right side of the mold cavity by the left side plate and the right side plate, so that a finally formed blank is prevented from being formed into a waist shrinkage shape with two large ends and a small middle part, and the quality and the performance of the blank made through the mold are improved.
Owner:JIANGXI JLMAG RARE EARTH

Depilating instrument convenient to detach

The invention relates to the technical field of depilating instruments, in particular to a depilating instrument convenient to detach. The depilating instrument comprises a holding part and a head part; the head part comprises a trigger terminal and a first magnet, and the holding part comprises a laser head, a transition terminal, a second magnet and a microcontroller; the laser head and the transition terminal are electrically connected with the microcontroller separately, the trigger terminal triggers the microcontroller through the transition terminal so that the laser head can emit lasers, the head part is provided with a through hole running through the head part, and the lasers emitted by the laser head are emitted to skin of a user through the through hole. The holding part and thehead part of the depilating instrument convenient to detach are installed together through attraction force between the first magnet and the second magnet, a special structure does not need to be designed for connection between the holding part and the head part, and the structural design of the depilating instrument is simplified. When the head part needs to be replaced or cleaned, the user onlyneeds to overcome the attraction force between the first magnet and the second magnet to detach the head part, and the detachment or installation efficiency of the head part is improved.
Owner:GUANGDONG ROMAN TECH CO LTD

Environment-friendly interior wall coating and preparation method thereof

The invention relates to the technical field of coatings, and particularly discloses an environment-friendly interior wall coating and a preparation method thereof. The environment-friendly interior wall coating is prepared from the following raw materials in parts by weight: 30-40 parts of inorganic silicate, 10-15 parts of quartz sand, 5-10 parts of modified bentonite, 4-7 parts of coarse whiting, 3-5 parts of titanium dioxide, 2-6 parts of nano boron carbide, 2-4 parts of a thickening agent, 2-4 parts of silicon oxide, 1-4 parts of aluminum oxide, 1-3 parts of magnesium oxide, 0.2-0.8 partof a grinding aid, 0.1-0.5 part of a dispersing agent, 0.3-0.8 part of a defoaming agent, 0.1-0.3 part of a flame retardant, and 25-35 parts of water. The preparation method comprises the following steps: carrying out ball milling on the raw materials, uniformly mixing and stirring with water, adding various assistants, and uniformly mixing to obtain the interior wall coating. The environment-friendly interior wall coating disclosed by the invention does not contain organic matters, and the added modified bentonite can adsorb formaldehyde and further decompose formaldehyde, so that the contentof indoor formaldehyde can be reduced, and the air quality can be improved.
Owner:中科恒固(深圳)科技有限公司

Passive optical device structural member capable of reducing light reflection

The invention discloses a passive optical device structural member capable of reducing light reflection, and relates to the technical field of optical fiber communication. The passive optical device structural member comprises a shell, a magnetic ring, a first wedge angle sheet, a second wedge angle sheet and an optical rotation sheet, wherein the magnetic ring is fixedly connected to the inner side wall of the shell, and through cooperative use of a heat dissipation opening, a fixing sleeve, a sliding sleeve, a cover plate and heat dissipation holes, when heat generated by devices in the shell is low, the heat can be effectively conducted into the heat dissipation opening through the through opening and dissipated out through the multiple heat dissipation holes in the side wall of the cover plate, when the heat generated by the devices in the shell is high, the temperature in the heat dissipation opening rises, gas in the fixing sleeve is heated to expand, thrust is generated, the attraction force between the first magnetic block on the side wall of the cover plate and the second magnetic block in the heat dissipation opening is overcome, the cover plate is automatically jacked up, the end opening of the heat dissipation opening is automatically opened, the ventilation area is increased, heat is rapidly dissipated, the self-adaptive heat dissipation adjustment function is achieved, and the heat dissipation efficiency is stable.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Breather valve applied to breathing machine and control method of breather valve

The invention discloses a breather valve applied to breathing machines and a control method of the breather valve. The breather valve comprises a valve body, an air inlet tube and an outer tube, the air inlet tube and the outer tube are arranged at air inlet and exhaust ends of the valve body, the outer tube is a rectangular tube formed on two opposite sides of the air inlet tube, a seat ring is fixedly installed on the inner wall of the exhaust end of the air inlet tube, a membrane is installed at one end of the seat ring, vent holes are formed in the seat ring, a partition plate extending outwards to the entry to the outer tube and gradually increasing in distance with the air inlet tube is formed on the outer periphery of the air inlet tube, two opposite sides of the partition plate, located at the entry to the outer tube and the orifice of the outer tube are parallel, the partition plates divides the outer tube into an outer air path away from the air inlet tube and an inner air path close to the air inlet tube, a communicating hole used for communicating the inner air path with the air inlet tube is formed in the tube wall of the air inlet tube, and the free end of the partition plate is rotatably provided with a sealing plate. By the arrangement, smoothness in breathing can be improved by the aid of the breather valve.
Owner:王侨

Dustproof cleaning and selecting workbench for traditional Chinese medicine decoction pieces

ActiveCN113814160ADelicate separationAvoid relative positionsSievingScreeningPharmacy medicineWorkbench
The invention discloses a dustproof cleaning and selecting workbench for traditional Chinese medicine decoction pieces, and relates to the technical field of medical medicines. The dustproof cleaning and selecting workbench comprises a supporting device, wherein the upper end of the supporting device is fixedly connected with a working device, and the lower end of the working device is fixedly connected with a storage device. Traditional Chinese medicine decoction pieces in the workbench are guided to the end, provided with two screen plates, of the workbench through a guide block and an auxiliary block, and then the traditional Chinese medicine decoction pieces can be screened through the two screen plates and fall into two storage boxes. Moreover, vibration is formed through a controller, a motor, a rotating disc II, a movable rod, a rotating disc I, a movable frame and a connecting plate when the traditional Chinese medicine decoction pieces are screened, so that the problems that when most production workers of the high-quality traditional Chinese medicine decoction pieces pick and sort the traditional Chinese medicine decoction pieces at present, dust on a working table always flies, the body health of the workers is damaged, and a lot of dust hidden in the gaps of the traditional Chinese medicine decoction pieces is difficult to remove, so that certain inconvenience is brought to the production of the high-quality traditional Chinese medicine decoction pieces are solved.
Owner:济南护理职业学院

A motor stator and rotor assembly device

The invention discloses a motor stator-rotor assembling device. The motor stator-rotor assembling device comprises a bracket, a tapered tool and an adjusting device, wherein the bracket comprises a frame body and a mounting plate fixed on the frame body; the tapered tool comprises a guide post, and a first conical block and a second conical block which are matched with each other through conical surfaces; the adjusting device comprises an adjusting block and a threaded rod; a stator of a motor is fixed on the mounting plate; the first conical block is used for being fixed on an end face of a revolving shaft at one end of a rotor of the motor; the second conical block is fixed on the guide post; the mounting plate is provided with a through hole being in alignment with a rotor mounting position inside the stator; the guide post passes through the through hole; the adjusting device is arranged on the frame body, positioned below the mounting plate, and used for adjusting the obliqueness of the guide post; the adjusting block is in a threaded connection with the threaded rod; the adjusting block is in contact with a side wall of the guide post; and the threaded rod is in a threaded connection with the frame body. Through adoption of the motor stator-rotor assembling device provided by the invention, stable centering is realized in a stator-rotor assembling process, and attraction between the stator and the rotor is reduced.
Owner:CSR ZHUZHOU ELECTRIC CO LTD

Swing-out type hidden handle for automobile

The invention discloses a swing-out type hidden handle for an automobile, which belongs to the field of automobile handles, and is characterized in that external water vapor is quickly absorbed through a conical cylinder and is transferred to an expansion ball, so that the expansion ball expands when encountering water, the volume of the expansion ball is gradually increased, and under the limitation of the inner diameter of the conical cylinder, the expanded expansion ball drives a whole rotating chain to move; the expansion ball pushes the moving block, so that the elastic rope extends, pulling force is generated to one end of the handle body through the elastic rope, the handle body can automatically rotate and swing outwards along the rotating shaft, and when the expansion ball crosses the moving block, the handle body can automatically rotate to the interior of the handle groove and swing out through intermittent circulation dynamic swing of the handle body. The static condensation process of ice can be continuously destroyed, so that the handle body and the automobile door are difficult to form an integrated ice block smoothly, the rotating performance of the handle body is effectively guaranteed, a user can open the automobile door smoothly through the handle body, and the service life of the handle body is prolonged.
Owner:南京图布卡新能源科技有限公司

Charging interface protection components and electric vehicles

The present invention relates to the technical field of electric vehicle charging wickets, and the objective of the invention is to solve the problems that the seal cap connection piece of a current electric vehicle charging interface is easily damaged and the charging operation is not convenient. The present invention provides a charging interface protection module and an electric vehicle. The charging interface comprises a charging socket, the protection module comprises a protection cover and a drive part, and the drive part is connected with the protection cover to drive the protection cover to be butted against the charging socket to facilitate seal of the socket outlet of the charging socket. The charging interface protection module is provided with the protection cover and the drivepart configured to drive the protection cover to allow the protection cover to be butted against or separated from the charging socket under the drive of the drive part to achieve automatic seal or opening of the socket outlet. For the electric vehicle equipped with the protection module, when the charging socket is needed to use, the protection cover does not need to be manually stripped off andto be manually put so as to simplify the operation steps, avoid the problem that a chain scratches a vehicle body or the hinge is damaged to lose a seal cover and improve the user experience.
Owner:NIO ANHUI HLDG CO LTD
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