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14results about How to "Guaranteed Penetration" patented technology
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In-situ torsion experiment device for X-ray CT (Computed Tomography)
ActiveCN224216479Usmooth transmissionWith self-locking functionMaterial analysis using wave/particle radiationStrength propertiesComputed tomographyElectric machinery
The utility model relates to an in-situ torsion experiment device for X-ray CT (Computed Tomography), and belongs to the technical field of scientific instruments for in-situ torsion experiments for X-ray CT. Comprising a driving assembly, a torque sensor and a clamp assembly. Two ends of a shaft of the torque sensor are respectively connected with the driving assembly and a clamp. The driving assembly comprises a motor, an outer shell, a worm gear and a worm, the worm gear and the worm are rotationally arranged in the outer shell and meshed, the upper end of the worm gear is in key connection with the lower end of the torque sensor, and one end of the worm is connected with the output end of the motor. The driving assembly is stable in transmission during an experiment, has a self-locking function, prevents reverse rotation, improves the detection accuracy, is compact in structure, has a large transmission ratio, is suitable for speed reduction, is low in noise and small in vibration, and effectively prevents the influence on other works in a laboratory.
Owner:HANGZHOU MICRONANO FACTORY TECHNOLOGY CO LTD
High pressure jetting impact head
The utility model discloses a high pressure jet formula impact head, including sinking pipe, impact head and support plate, the support plate is two, two the support plate radial setting at sinking pipe bottom end export place, be equipped with rotating shaft between the support plate, the rotating shaft is hinged with first closed door and second closed door, first closed door and second closed door are hinged respectively in rotating shaft both sides, the bottom port of sinking pipe is equipped with two with first closed door and second closed door cooperation's first bevel and second bevel that lean to upwards. The utility model has the beneficial effects that: guarantee the penetration ability to the stratum, have promoted the structural stability and durability of impact head, have improved construction efficiency.
Owner:SHANGHAI ZHENZHONG CONSTR MASCH TECH CO LTD
A production method of high-corrosion-resistance high-strength galvanized steel strand
ActiveCN121852842BGuaranteed Penetrationavoid brittleHot-dipping/immersion processesWaste productUltimate tensile strength
The application provides a production method of high-corrosion-resistance and high-strength galvanized steel strand, relates to the technical field of hot-dip plating, and comprises the following steps: collecting hot-dip plating related characteristic parameters and setting basic hot-dip plating time; pre-processing the hot-dip plating related characteristic parameters and outputting a hot-dip plating calibration coefficient; establishing a coupling formula and obtaining a hot-dip plating calibration time; collecting strength interference characteristic parameters; based on the collected strength interference characteristic parameters and the obtained actual hot-dip plating required time, calculating a tensile strength prediction score of the produced galvanized steel strand, and determining the eligibility of the galvanized steel strand prepared under the current working condition parameters. The application calculates a most suitable galvanizing time, ensures that the zinc layer is fully penetrated, and avoids excessive reaction to cause the steel strand to be brittle. Meanwhile, the application can predict whether the tensile strength of the finished product is qualified before production, realizes dynamic optimization, early warning and self-learning in the whole process, and effectively reduces the waste product rate.
Owner:LIAONING TONGDA BUILDING MATERIAL IND CO LTD
Large pipeline pressure u-shaped insertion repair device and repair method
The application relates to the technical field of pipeline penetrating repair, and discloses a large pipeline U-shaped penetrating repair device and a repairing method, which can be matched with a pipeline to be repaired to complete the penetrating repair operation, the insertion pipeline used for penetrating is in a pre-treatment mode, the operation can be carried out outside the pipeline to be repaired, the limitation of the construction space is effectively reduced, the operation is more convenient and easy, and the pipeline to be repaired, the insertion pipeline, a traction assembly and a pipeline pressing assembly are included, the insertion pipeline is used for forming the penetrating repair in the pipeline to be repaired, the traction assembly includes two traction plate frames, the two traction plate frames are fixedly connected with the insertion pipeline, the pipeline pressing assembly includes a main frame, a lower pressing hydraulic cylinder, a plurality of supporting rollers, a plurality of first side pushing rollers and a plurality of second side pushing rollers, the supporting rollers are rotationally installed in the main frame, an adjusting mechanism is installed in the main frame, and the first side pushing rollers and the second side pushing rollers are installed in the adjusting mechanism.
Owner:HEBEI LUTONG ENG MATERIALS CO LTD
Ventilation wall module and using method thereof
PendingCN121772178APrevent accidental upward movementavoid liftingCooling/ventilation/heating modificationsStructural engineeringEnvironmental geology
Owner:常熟市兆亿金属制品有限公司
A wafer loading and unloading device, a double-sided chemical mechanical polishing system and method
ActiveCN117885033Bsuitable for transmissionGuaranteed penetrationLapping machinesGrinding feed control
This invention relates to the field of chemical mechanical polishing (CMP) technology, and discloses a wafer pick-and-place device, a CMP system and method for double-sided processing. The wafer pick-and-place device has a support structure including a mounting stage, a support member, and at least three support columns. The support member is adapted to slide in a direction perpendicular to the mounting stage under drive. The at least three support columns are spaced apart along the outer edge of the support member on the mounting stage and are adapted to receive the wafer. When the support member is driven to slide away from the mounting stage to the support state, the plane of the support member is higher than the plane of the end of the support column away from the mounting stage. The flipping structure includes a wafer pick-and-place structure, which is adapted to extend under drive between the support member and the wafer to remove the wafer from the support structure or fix the wafer to the pick-and-place structure and then flip it back to the support structure. The support structure has two support states, which, combined with the simple flipping structure, enables the flipping of the wafer surface, facilitating subsequent double-sided processing of the wafer and improving work efficiency.
Owner:BEIJING SEMICORE MICROELECTRONICS EQUIPMENT CO LTD
Switch shell
ActiveCN224218412UEasy to removequick changeCouplings bases/casesTransmissionMechanicsDust abatement
The utility model provides a switch housing. The switch housing comprises a bottom housing, a housing cover arranged at the upper end of the bottom housing, a circuit board installed in the bottom housing, and a plurality of network ports which are installed at the front end of the bottom housing and are in point connection with the circuit board. The heat dissipation part is arranged on the bottom shell and the shell cover; the dust removal part is arranged on the bottom shell and the assembling parts on the network ports, and the assembling parts are fixed at the rear end of the bottom shell; the connecting part is installed on the bottom shell and the shell cover, the heat dissipation part of the switch shell forms forced air cooling through cooperation of double heat dissipation fans and heat dissipation fins, the temperature of a circuit board is reduced, the dust removal part utilizes heat dissipation airflow, the heat dissipation airflow is directionally jetted to a network port through an air collection sleeve and an air transmission channel, and zero-power-consumption automatic dust removal is achieved; the problems that a traditional switch shell is insufficient in heat dissipation and serious in dust accumulation are effectively solved, and the fault rate of network ports is reduced.
Owner:BEIJING SHUZHIYING TECHNOLOGY CO LTD
Production method of high-corrosion-resistance and high-strength galvanized steel strand
ActiveCN121852842AGuaranteed penetrationavoid brittleHot-dipping/immersion processesWaste productUltimate tensile strength
The invention provides a production method of a high-corrosion-resistance and high-strength galvanized steel strand, and relates to the technical field of hot dipping processes, and the production method comprises the following steps: collecting relevant characteristic parameters of hot dipping, and setting basic hot dipping time; the hot dipping relevant characteristic parameters are preprocessed, and a hot dipping calibration coefficient is output; a coupling formula is established, and hot dipping calibration time is obtained; acquiring intensity interference characteristic parameters; and calculating a tensile strength prediction score of the produced galvanized steel strand based on the acquired strength interference characteristic parameters and the acquired actual hot dipping time, and performing qualification judgment on the galvanized steel strand prepared under the current working condition parameters. According to the method, by calculating the most appropriate galvanizing time, it is guaranteed that a zinc layer permeates in place, and steel wire embrittlement caused by excessive reaction is avoided; meanwhile, whether the tensile strength of the finished product is qualified or not can be predicted before production, dynamic optimization of the whole process is achieved, early warning and self-learning are achieved, and the rejection rate is effectively reduced.
Owner:LIAONING TONGDA BUILDING MATERIAL IND CO LTD
Mould for preparing porous aluminum oxide ceramic
ActiveCN224196990Uavoid position deviationPlay a positioning functionDischarging arrangementShaping press ramMechanical engineeringAlumina ceramic
The utility model relates to the technical field of ceramic preparation, in particular to a mold for porous alumina ceramic preparation, which comprises a lower mold base and an upper mold base, a mold cavity is arranged in the middle of the top surface of the lower mold base, a detachable vertical rod is arranged on a bottom plate of the mold cavity, and a movable bottom plate matched with the mold cavity and slidably sleeved on a rod body of the vertical rod is arranged in the mold cavity. An extrusion die plate matched with the die cavity is arranged in the middle of the bottom face of the upper die base, guide rods are arranged at the two ends of the upper die base, the lower ends of the guide rods penetrate through the lower die base in a sliding mode and are provided with inward bending parts, and ejector rods capable of penetrating through a bottom plate of the die cavity are arranged on the top faces of the inner ends of the bending parts; the upper end of the guide rod is connected with the upper die holder, and the lower end of the guide rod penetrates through the lower die holder in a sliding manner, so that when the die is installed, the function of positioning the lower die holder and the upper die holder can be achieved, position deviation of the lower die holder and the upper die holder is prevented, and the function of convenient installation is achieved.
Owner:LUOYANG CEN LON CERAMICS
Fire-fighting pipeline detection device and lithium battery charging and discharging equipment fire-fighting pipeline detection system
ActiveCN224152676Uachieve cloggingRealize detectionGeological measurementsFire protectionMechanical engineering
The utility model discloses a fire-fighting pipeline detection device and a lithium battery charging and discharging equipment fire-fighting pipeline detection system, an air duct with a gas inlet and a gas outlet which are opposite and communicated along a first direction is formed in a butt joint piece, and the gas inlet is configured to allow a spray head of a fire-fighting pipe to extend into; the test piece is communicated with the gas outlet, and the test piece can be used for detecting the flow and / or speed of gas introduced into the air duct through the fire-fighting pipe when the gas is discharged from the gas outlet. Meanwhile, the gas inlet is flared relative to the gas outlet in the first direction, so that when the butt joint piece is in butt joint with the spray head of the fire-fighting pipe, the spray head can be ensured to extend into the air channel of the butt joint piece through the flared air channel even if the position of the spray head has certain deviation, and the fire-fighting pipe is prevented from being damaged. Therefore, the gas can be effectively captured and measured, and the connection fault tolerance of the fire-fighting pipeline detection device and the fire-fighting pipe spray head can be improved.
Owner:ZHUHAI TITANS NEW POWER ELECTRONICS CO LTD
A detection device for automatic identification of living beings in a room
ActiveCN115047533Bachieve protectionPlace stableOptical detectionStructural engineeringLife detection
The application belongs to the technical field of life detection equipment, and discloses an indoor life automatic identification detection device, which comprises a first plate and a second plate, an intermediate shaft is fixedly connected between the first plate and the second plate, a sleeve is movably sleeved on the outer surface of the intermediate shaft, and a connecting plate is fixedly connected to the outer surface of the sleeve.
Owner:ZHEJIANG ZHONGCHEN URBAN FIRE AUTOMATIC ALARM DISTANCE MONITORING MANAGEMENT CO LTD
Side-opening tailgate and vehicle
This application discloses a side-opening tailgate and a vehicle. The side-opening tailgate includes a tailgate body and an electromagnetic wave transmitting and receiving device installed on the tailgate body. The tailgate body has a three-layer structure, including a tailgate outer panel, a metal frame, and a tailgate inner panel connected in sequence. The middle metal frame is made of metal to meet the strength requirements of the tailgate, while the tailgate outer panel is made of non-metallic material, making it lighter. The electromagnetic wave transmitting and receiving device is installed on the inner side of the tailgate outer panel. The electromagnetic wave transmitting and receiving device can be used to locate and / or identify obstacles. The non-metallic material of the tailgate outer panel ensures the penetration of electromagnetic wave signals. The above structure can ensure the strength of the side-opening tailgate while reducing the overall weight of the side-opening tailgate, and the side-opening tailgate has more functions.
Owner:DONGFENG MOTOR GRP
Anti-loose countersunk head screw production equipment and machining process thereof
PendingCN121976016AUniform temperature distributionGuaranteed PenetrationFurnace typesHeat treatment furnacesMachining processMechanical engineering
The invention relates to the field of screw production equipment, in particular to anti-loose countersunk head screw production equipment and a machining process thereof.The anti-loose countersunk head screw production equipment comprises a heat treatment furnace, the upper end and the lower end of the heat treatment furnace are provided with an air inlet and an air outlet correspondingly, and a furnace door is additionally arranged at the end of the heat treatment furnace and rotationally installed at the end of the heat treatment furnace through a hinge shaft; a first stirring plate and a second stirring plate are arranged in the heat treatment furnace, the first stirring plate and the second stirring plate are distributed on the left side and the right side of the heat treatment furnace, the first stirring plate and the second stirring plate are distributed in an up-down staggered mode, and a driving assembly is additionally arranged between the furnace door and the first stirring plate. The furnace door drives the first stirring plate to ascend and descend in the vertical direction through the driving assembly, and the second stirring plate is synchronously driven to ascend and descend in the vertical direction while the first stirring plate ascends and descends. The purpose of the invention is to improve the consistency of hardness and strength of screws of the same batch after being treated by a heat treatment furnace.
Owner:JINYI SCREW SHANGHAI CO LTD
Composite forming die for metal bipolar plate
ActiveCN224181863UGuaranteed PenetrationImprove punching effectShaping toolsMetal-working feeding devicesPunchingWaste material
A composite forming die for a metal bipolar plate is used for processing a metal plate with the thickness of 0.03-0.1 mm under the driving of a press and comprises a die pressing mechanism, a punching mechanism and a blanking mechanism. Wherein the mould pressing mechanism is used for carrying out mould pressing forming on a plate, the punching mechanism is used for punching on the plate to form inlet and outlet holes of hydrogen, air (oxygen) and cooling water at two ends of the bipolar plate, and the blanking mechanism is used for separating the bipolar plate formed by processing the plate from waste materials removed by cutting. The three actions of punching, blanking and forming can be completed on one station when the press moves downwards and returns for one time, so that the production efficiency of the bipolar plate can be improved.
Owner:BEIJING RESEARCH INSTITUTE OF MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD CAM