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36results about How to "Avoid partial damage" patented technology
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Home-bar door opening/closing device for refrigerator
InactiveUS20050132535A1Reduce speedReduce the impactLighting and heating apparatusBuilding braking devicesCoil springTorsion spring
The present invention relates to a home-bar door opening / closing device for a refrigerator. According to the present invention, guide slots 72 are provided in both side surfaces of an opening 59 provided in a refrigerator door 55 and connected to one ends of links 75 which rotate and vertically move. Then, a home-bar door 63 is installed in the opening 59 so that an upper end of the home-bar door 63 vertically rotates about a hinge 65. The other ends of the links 75 are pivotably connected to both side surfaces of the home-bar door 63, respectively. An upward elastic force from coil springs 77 is provided to the one ends of the links 75, while an elastic force from torsion springs 79 is provided to the other ends of the links 75. According to the present invention so constructed, it is possible to reduce the impact due to the rapid opening of the home-bar door.
Owner:LG ELECTRONICS INC
Home-bar door opening/closing device for refrigerator
InactiveUS7360278B2Minimize generation of noiseAvoid partial damageLighting and heating apparatusBuilding braking devicesCoil springEngineering
A home-bar door opening / closing device for a refrigerator. Guide slots 72 are provided in both side surfaces of an opening 59 provided in a refrigerator door 55 and connected to one ends of links 75 which rotate and vertically move. Then, a home-bar door 63 is installed in the opening 59 so that an upper end of the home-bar door 63 vertically rotates about a hinge 65. The other ends of the links 75 are pivotably connected to both side surfaces of the home-bar door 63, respectively. An upward elastic force from coil springs 77 is provided to the one ends of the links 75, while an elastic force from torsion springs 79 is provided to the other ends of the links 75. Accordingly, it is possible to reduce the impact due to the rapid opening of the home-bar door.
Owner:LG ELECTRONICS INC
High-voltage lithium ion battery, composite electrode couple and preparation methods of high-voltage lithium ion battery and composite electrode couple
ActiveCN102420312AAvoid partial damageAvoid the problem of asymmetric bendingSecondary cellsNon-aqueous electrolyte accumulator electrodesComposite electrodeAdhesive
The invention discloses a high-voltage lithium ion battery, a composite electrode couple and preparation methods of the high-voltage lithium ion battery and the composite electrode couple, which belong to the technical field of lithium ion batteries. The composite electrode couple provided by the invention comprises a porous diaphragm, an anode mixture and a cathode mixture; one surface of the porous diaphragm is coated with the anode mixture which comprises an anode active material, a conductive agent and an adhesive; and the other surface of the porous diaphragm is coated with the cathode mixture which comprises a cathode active material, the conductive agent and the adhesive. The high-voltage lithium ion battery provided by the invention comprises the composite electrode couple, a composite current collector and an electrolyte, wherein a block body is formed by alternately superposing a plurality of composite electrode couples and composite current collectors; the composite electrode couples in the block body are soaked in the electrolyte; an electronic conductive adhesive layer with the thickness being less than 10 microns is arranged between each composite electrode couple and each composite current collector; and the composite current electrodes are arranged on the upper surface and the lower surface of the block body. The high-voltage lithium ion battery provided by the invention has the advantages of high voltage, good safety, good consistency and the like.
Owner:BEIJING HAWAGA POWER STORAGE TECH +1
Process for manufacturing Wolter-I reflector by means of copying
ActiveCN107561609AReduce manufacturing costTake off smoothlyMirrorsElectroforming processesReflective layerRefrigeration
The invention discloses a process for manufacturing a Wolter-I reflector by means of copying. The process includes the following steps that: a precision mandrel used for copying is manufactured; a DLCfilm is applied by means of the PVD (Physical Vapor Deposition) process; a gold film reflective layer is applied by means of the PVD process; a reflector shell is obtained through electroforming; thesurface of the reflector shell is trimmed; a reflector is released from the mandrel in a low-temperature refrigeration room by using a mold release device; and the surface of the reflector is washed.According to the process of the invention, DLC is applied between the copying gold film and the surface of the mandrel so as to be adopted as a release layer, and therefore, the gold film can be effectively prevented being damaged, and the smooth release of the gold film from the mandrel can be facilitated; the gold film is plated at the rotation surface and two end surfaces of the mandrel simultaneously, and therefore, electroforming nickel can be prevented from infiltrating between the gold film at the end surfaces of the mandrel and the surface of the mandrel during an electroforming process; electroforming time can be prolonged, the strength of the reflector shell is increased, the deformation of the reflector shell is prevented, and the reflector shell is easy to shell, transport andinstall; and the mandrel is made to be separated from the reflector shell through an auxiliary shelling device in the low-temperature room, and therefore, the manufacturing cost increase of the reflector and health hazards can be avoided.
Owner:HARBIN INST OF TECH
Connector
InactiveUS7559808B2Avoid partial damageMounting posture of the retainer can be stabilizedIncorrect coupling preventionSecuring/insulating coupling contact membersEngineeringMechanical engineering
A connector housing (10) is formed with a mount hole (21) for a retainer (60), and the retainer (60) is inserted into the mount hole (21) to lock and retain terminal fittings (40) inserted into cavities (13). Partition walls (28) partitioning the cavities (13) adjacent in width direction in the connector housing (10) are provided with extended walls (28) projecting into the mount hole (21). The retainer (60) is provided with recesses (66) at positions corresponding to the extended walls (28). A creepage distance between the terminal fittings (40) adjacent with the partition wall (27) therebetween is made longer by the extended wall (28), whereby the short circuit of the adjacent terminal fittings (40) can be prevented.
Owner:SUMITOMO WIRING SYST LTD
Connector
InactiveUS20080119091A1Avoid partial damageMounting posture of the retainer can be stabilizedIncorrect coupling preventionSecuring/insulating coupling contact membersEngineeringMechanical engineering
A connector housing (10) is formed with a mount hole (21) for a retainer (60), and the retainer (60) is inserted into the mount hole (21) to lock and retain terminal fittings (40) inserted into cavities (13). Partition walls (28) partitioning the cavities (13) adjacent in width direction in the connector housing (10) are provided with extended walls (28) projecting into the mount hole (21). The retainer (60) is provided with recesses (66) at positions corresponding to the extended walls (28). A creepage distance between the terminal fittings (40) adjacent with the partition wall (27) therebetween is made longer by the extended wall (28), whereby the short circuit of the adjacent terminal fittings (40) can be prevented.
Owner:SUMITOMO WIRING SYST LTD
Small-sized load sensor unit
ActiveUS20150047439A1Excellent responsiveness to load variationHigh reliabilityApparatus for force/torque/work measurementForce measurement by elastic gauge deformationEngineeringStrain measurement
Owner:MINEBEAMITSUMI INC
Small-sized load sensor unit
ActiveUS9377372B2Easy to assembleExcellent responsiveness to load variationForce measurement by measuring magnetic property varationForce/torque/work measurement apparatus calibration/testingMechanical engineeringStrain measurement
Owner:MINEBEAMITSUMI INC
Preparation method for light bomb-proof aramid fiber composite non-woven fabric chip
ActiveCN103911769AHigh flame retardant efficiencyImprove water resistance and easy precipitationNon-woven fabricsAramidFlame resistance
The invention discloses a preparation method for a light bomb-proof aramid fiber composite non-woven fabric chip. The preparation method for the bomb-proof aramid fiber composite non-woven fabric chip includes: spreading aramid fibers, uniformly and straightly arraying in parallel, coating, drying to obtain aramid fiber composite non-woven fabric, and regulating parameters of production equipment to produce the aramid fiber composite non-woven fabrics with different surface density; preparing multilayer composite aramid fiber composite non-woven fabric through increasing the compositing times of the aramid fiber composite non-woven fabric; combining the aramid fiber composite non-woven fabrics with different surface density and different composite layer number to obtain the bomb-proof chip. The light bomb-proof aramid fiber composite non-woven fabric chip has good buffer ability and fire resistance, is resistant to bomb and vibration, is light and convenient to carry, enables the personnel load to be reduced, and enables the fighting efficiency of the fighter to be improved.
Owner:JIANGSU LINRY NEW MSTAR TECH
Sharpness removing and blunting treatment method and device for disc roller scissor blades
InactiveCN105563239AImprove wear resistanceEliminate micro-jaggiesEdge grinding machinesCircular discEdge effects
The invention provides a sharpness removing and blunting treatment method and device for disc roller scissor blades. Based on the magneto-rheological polishing treatment theory, the outer circumference of disc roller scissors is sleeved with an annular sleeve which is in clearance fit with the disc roller scissors and is of an inverted-N shaped groove body structure. Magnetic fields which are distributed in an inverted-N shaped mode are formed on the annular sleeve. The annular sleeve is filled with magneto-rheological working liquid. The disc roller scissors rotate relative to the annular sleeve. Soft polishing is generated on the blades on the two sides of the disc roller scissors and in the positions close to two internal angles of the inverted-N-shaped groove body structure through the magnetic field edge effect, a removal function is achieved, and sharpness removing and blunting treatment is conducted on the disc roller scissor blades. By the adoption of the sharpness removing and blunting treatment method and device, the microcosmic profile shape of the disc roller scissor blades can be improved, and the abrasion resistance and the splitting quality of metal plates are improved; the problems that in the prior art, sharpness removing and blunting treatment is conducted on disc roller scissors manually, so that secondary damage problems, for example, the blade blunt round radius is large, and the blades are inconsistent in shape are solved.
Owner:GUANGDONG UNIV OF TECH
Bipolar plate for hydrogen fuel cell
PendingCN113451599AAvoid breakingHydrophobicFinal product manufactureCollectors/separatorsHydrogen fuel cellGraphite
Owner:瑞达新能源(广州)有限公司 +1
Electrode Sheet Rolling Apparatus, Guide Roll System Used Therein, and Method of Winding Electrode Sheet Using the Same
InactiveUS20210036356A1Reduce generationAvoid partial damageElectrode rolling/calenderingElectrode thermal treatmentEngineeringMechanical engineering
Provided is an electrode sheet rolling apparatus including: a process unit for performing a rolling or notching process of an electrode sheet, a rewinding unit for winding the electrode sheet finished with the process in the process unit, and a guide roll system which is disposed between the process unit and the rewinding unit and guides the electrode sheet from the process unit to the rewinding unit, wherein the guide roll system includes a plurality of rolls arranged in parallel with each other, and temperatures of the plurality of rolls are set sequentially high along a transfer direction of the electrode sheet.
Owner:LG ENERGY SOLUTION LTD
Treatment method of micro organ
InactiveCN107560917AFull penetrationQualitatively accuratePreparing sample for investigationFluorescenceIn vivo
The invention provides a treatment method of a micro organ. The treatment method comprises the following step sequentially dialyzing a fixed micro organ in dialysate I for 2 to 5 days under 1 to 10 DEG C and in dialysate II for 4 to 8 hours under -40 to -15 DEG C, wherein a formula of the dialysate I comprises 1M of Tris alkaline solution which is prepared from 10 percent of Triton-X 100, 2 percent of BSA (Bull Serum Albumin) and 0.05M of NaCl, and the pH (Potential of Hydrogen) is 6.8; a formula of the dialysate II comprises ethanol and DMSO (Dimethyl Sulfoxide) which are 4 to 1 in volume ratio. The treatment method provided by the invention is used for carrying out sizing and whole permeation treatment on the micro organ, an original morphology of the micro organ is kept, and the purposeof enabling macromolecular matters to fully permeate each position without changing the structural morphology of the micro organ and tissue cells can be realized; the treated micro organ is capable of accurately and sensitively carrying out cellular or subcellular location and qualitative and relatively quantitative analysis on molecules on the micro organ by utilizing specific binding reaction of molecular matters and through corresponding observation means such as a fluorescent microscope. Aiming at the difficulties that internal organs of animalcules in the field of biology are very smalland a tissue section technique is difficult to implement for the internal organs, the method for researching in-vivo micro organ on molecular and cellular level is invented.
Owner:SOUTHWEST UNIV
A process for duplicating and manufacturing wolter-i mirrors
ActiveCN107561609BReduce manufacturing costTake off smoothlyMirrorsElectroforming processesReflective layerRefrigeration
The invention discloses a process for manufacturing a Wolter-I reflector by means of copying. The process includes the following steps that: a precision mandrel used for copying is manufactured; a DLCfilm is applied by means of the PVD (Physical Vapor Deposition) process; a gold film reflective layer is applied by means of the PVD process; a reflector shell is obtained through electroforming; thesurface of the reflector shell is trimmed; a reflector is released from the mandrel in a low-temperature refrigeration room by using a mold release device; and the surface of the reflector is washed.According to the process of the invention, DLC is applied between the copying gold film and the surface of the mandrel so as to be adopted as a release layer, and therefore, the gold film can be effectively prevented being damaged, and the smooth release of the gold film from the mandrel can be facilitated; the gold film is plated at the rotation surface and two end surfaces of the mandrel simultaneously, and therefore, electroforming nickel can be prevented from infiltrating between the gold film at the end surfaces of the mandrel and the surface of the mandrel during an electroforming process; electroforming time can be prolonged, the strength of the reflector shell is increased, the deformation of the reflector shell is prevented, and the reflector shell is easy to shell, transport andinstall; and the mandrel is made to be separated from the reflector shell through an auxiliary shelling device in the low-temperature room, and therefore, the manufacturing cost increase of the reflector and health hazards can be avoided.
Owner:HARBIN INST OF TECH
Large-diameter shield tunnel deformation control structure and construction method thereof
ActiveCN113137273ALow work efficiencyPrevent uneven flotation or settlingMining devicesUnderground chambersShield tunnelingRock bolt
The invention discloses a large-diameter shield tunnel deformation control structure and a construction method thereof. The structure is installed in the construction period of a shield tunnel and comprises a bag expansion type dewatering and drainage pre-stressed anchor rod, a bag expansion type pre-stressed anchor rod, a water storage and drainage tank and a control system. The contact area between the bag expansion type dewatering and drainage pre-stressed anchor rod and a soil layer below the shield tunnel and the contact area between the bag expansion type dewatering and drainage pre-stressed anchor rod and a soil layer above the shield tunnel are increased through expansion type bags, the pulling resistance is increased, and uneven floating or settlement disasters of the large-diameter shield tunnel can be effectively prevented; prestress is symmetrically applied to the bag expansion type dewatering and drainage pre-stressed anchor rod and the bag expansion type pre-stressed anchor rod, resistance for convergence deformation is formed on a large-diameter shield tunnel section, and convergence deformation of the large-diameter shield tunnel section and engineering diseases possibly caused by the convergence deformation are effectively prevented and treated; and floating or sedimentation of the large-diameter shield tunnel is controlled through the combined effect of the bag expansion type dewatering and drainage pre-stressed anchor rod and the water storage and drainage tank.
Owner:江苏中车城市发展有限公司 +1
Radon precipitation simulation device based on low-frequency vibration and radon precipitation rate measurement method
PendingCN107678054AAvoid partial damageImprove reliabilityX/gamma/cosmic radiation measurmentLow frequency vibrationRadon exhalation
The invention discloses a radon precipitation simulation device based on low-frequency vibration and a radon precipitation rate measurement method. The simulation device comprises a power amplifier, asweep signal generator, a radon precipitation module, a dryer and a radon measuring instrument; wherein the radon precipitation module comprises a vibration exciter, a radon precipitation tank, a topcover, a vibrating rod and a sliding rail. The radon precipitation tank contains a uranium ore rock test block, the vibration exciter is fixed on the sliding rail and connected with the power amplifier, and the vibration rod is arranged between the vibration exciter and the radon precipitation tank. A base platform capable of moving along the sliding rail is arranged on the sliding rail, the radon separation tank is fixed on the base platform, and an airflow loop is formed between the top cover and the radon measuring instrument. The drier is arranged on a pipeline path communicated with thegas outlet of the radon precipitation tank and the gas inlet of the radon measuring instrument. According to the device, the radon precipitation of a uranium mine rock in the low-frequency vibration can be simulated, and experimental data can be obtained. A data basis for researching the change rules of the continuous radon precipitation rate of uranium ore rocks under the action of low-frequencydisturbance loads is provided.
Owner:NANHUA UNIV
Dye-sensitized solar cell module and method of manufacturing the same
ActiveUS20130133722A1Improve degradationAvoid partial damageElectrolytic capacitorsFinal product manufactureElectrically conductiveDye-sensitized solar cell
Disclosed is a dye-sensitized solar cell module and a method of manufacturing the same. More specifically a counter electrode has connection parts formed within the side surfaces of the transparent conductive substrates. Edges of the working electrode and the counter electrode are bonded with each other by a sealant along the outer peripheral except for at one or more portions of the edges to form an electrolyte injection port. An electrolyte is then injected through the electrolyte injection hole into a space between the working electrode and the counter electrode. The electrolyte injection hole is then sealed by a sealant.
Owner:HYUNDAI MOTOR CO LTD
Treatment structure of shield tunnel operation period over-limit convergence deformation and construction method thereof
ActiveCN113137257APrevention of convergence deformationImprove pullout resistanceUnderground chambersTunnel liningPre stressArchitectural engineering
The invention discloses a treatment structure of shield tunnel operation period over-limit convergence deformation and a construction method thereof. The structure comprises bag expansion type prestressed anchor rods, a waterproof layer, annular steel beams, longitudinal steel beams and diagonal bracing trusses. The contact area of the bag expansion type prestressed anchor rods and surrounding soil of a shield tunnel is increased through expansion type bags, so that the pulling resistance is increased; the prestress of the bag expansion type prestressed anchor rods which are symmetrically arranged on the section of the shield tunnel and the counterforce of jacks of the diagonal bracing trusses are applied cooperatively, so that the over-limit convergence deformation of the section of the shield tunnel can be efficiently treated, and the operation of the shield tunnel can be recovered as soon as possible; and after the section of the shield tunnel returns to normal, the bag expansion type prestressed anchor rods continues to be used normally so as to effectively serve the convergence deformation prevention and control in the whole life cycle of the operation period of the shield tunnel.
Owner:江苏中车城市发展有限公司 +2
Pipeline stress deformation test experiment device and method
ActiveCN112683686APrevent force overrun plastic deformationReduce workloadMaterial strength using tensile/compressive forcesClassical mechanicsStructural engineering
The invention discloses a pipeline stress deformation test experiment device, and further discloses a pipeline stress deformation test experiment method. The device comprises an experiment management platform system, a stress test mechanism, a pressure transmitter and a stress transmitter, the experiment management platform system is connected with the stress test mechanism through a communication cable, and the pressure transmitter and the stress transmitter are connected with the experiment management platform system through communication cables. The device can quickly and accurately master the quantitative relation between the stress and the strain of the measured pipeline, can be used for verifying and calibrating various strain monitoring devices and methods, gives objective evaluation on the accuracy and effectiveness of the monitoring devices and methods, and is safe, reliable and high in practicability, and the strain monitoring data of the measured pipeline body are not interfered by other conditions. The stress of the measured pipeline can be prevented from being overrun and plastically deformed, so that the experiment has repeatability, the result repeatability is good, and the workload of effectively evaluating the monitoring result of the long measured pipeline in a field complex environment is greatly reduced.
Owner:北京科力华安地质灾害监测技术有限公司
Lens production mold
The invention discloses a lens production mold. The mold comprises a workbench, a lower mold, an upper mold, an electromagnet and a constant-temperature heating assembly; a sealing cylinder and a positioning pipe are fixedly mounted in the side edge and at the top of the workbench correspondingly. The lower mold and a positioning base are fixedly installed in the middle of the workbench; an external air valve is connected between steering cavities; the constant-temperature heating assembly is mounted in the lower mold; an exhaust hole and a forming cavity are formed in the top of the lower mold, the upper mold is arranged over the lower die mold a sealing plate is installed in the pouring pipe, a magnet block is fixed to the inner wall of the pouring pipe, a sealing pipe is fixed to the outer wall of the pouring pipe, and the middle of the sealing plate is connected with one end of a handle. The lens production mold is convenient for production, processing and forming of lenses, enables the lenses to be stably and synchronously taken out after production, is convenient and quick in taking-out operation, can effectively avoid the problem of local damage of the lenses when the lensesare taken out, and improves the forming quality of lens production.
Owner:江西特莱斯光学有限公司
High-efficiency drying equipment for gluten powder and its application method
ActiveCN113375428BDehydration fastEasy to dryDrying solid materials without heatDrying gas arrangementsCentrifugationWater production
Owner:JIANGSU FOOD & PHARMA SCI COLLEGE
A large-diameter shield tunnel deformation control structure and its construction method
ActiveCN113137273BService life cyclePrevention of convergence deformationMining devicesUnderground chambersDeformation controlShield tunneling
The invention discloses a large-diameter shield tunnel deformation control structure and a construction method thereof. The structure is installed during the construction period of the shield tunnel, and includes a bag-enlarged drainage prestressed anchor rod and a bag-expanded prestressed anchor rod , storage and drainage tank and control system; the present invention increases the contact area of the bag-enlarged drainage prestressed anchor rod and the bladder-expanded prestressed anchor rod with the soil layer below and above the shield tunnel respectively by expanding the bladder , increasing the pull-out resistance can effectively prevent uneven floating or subsidence disasters in large-diameter shield tunnels; apply prestress symmetrically to the bag-enlarged drainage prestressed anchor rod and the bag-enlarged prestressed anchor rod. The resistance to convergent deformation is formed on the section of the diameter shield tunnel, which can effectively prevent the convergence deformation of the section of the large-diameter shield tunnel and the engineering diseases that may be caused; through the joint action of the bag-enlarged drainage prestressed anchor rod and the storage and drainage box, control Floating or sinking of large diameter shield tunnels.
Owner:江苏中车城市发展有限公司 +1
High-efficiency drying equipment for vital wheat gluten and using method thereof
ActiveCN113375428ADehydration fastEasy to dryDrying solid materials without heatDrying gas arrangementsBiotechnologyEngineering
The invention belongs to the technical field of food processing equipment, and particularly relates to high-efficiency drying equipment for vital wheat gluten, which comprises a centrifugal dewatering assembly; the centrifugal dewatering assembly comprises a filtering mechanism, a fixing mechanism, a first belt wheel and a lining rod; the filtering mechanism is movably connected to the upper portion of the fixing mechanism; the first belt wheel is arranged on the lower portion of the fixing mechanism; and the first belt pulley is in transmission connection with the filtering mechanism through the lining rod. The problem that in the prior art, the vital wheat gluten solution filtering efficiency is low is solved; and the problems that when the vital wheat gluten is stirred and dried, due to insufficient stirring, the vital wheat gluten can be quickly dried, caking is easily caused, and quick drying of the vital wheat gluten is not facilitated are solved. The invention further provides a using method of the high-efficiency drying equipment for the vital wheat gluten, the method is simple and convenient, operation of operators is facilitated, the operators can rapidly dehydrate and dry the vital wheat gluten through the equipment, automatic flow production is achieved in the whole process, manual intervention is not needed, the production efficiency is high, and the quality is good.
Owner:JIANGSU FOOD & PHARMA SCI COLLEGE
A method for preparing lightweight aramid fiber composite non-weft cloth bulletproof chip
The invention discloses a method for preparing a light-weight aramid fiber composite non-weft cloth bulletproof chip. The aramid fiber composite non-weft cloth bulletproof chip is made of aramid fiber after being stretched and arranged in a uniform, parallel and straight manner. It is glued and dried to obtain aramid fiber composite non-weft fabric. By adjusting the parameters of the production equipment, aramid fiber composite non-weft fabrics with different surface densities are obtained; by increasing the number of compounding times of aramid fiber composite non-weft fabric , to make a multi-layer composite aramid fiber composite non-weft fabric; the prepared aramid fiber composite non-weft fabric with different surface densities and different composite layers is combined to make a bulletproof chip, and the lightweight aramid fiber in the present invention Lun fiber composite non-weft cloth ballistic chip has the advantages of good cushioning capacity, bullet resistance, shock resistance and good flame retardancy. At the same time, it has the advantages of light weight, portability, reducing personnel load and improving combat efficiency of combatants.
Owner:JIANGSU LINRY NEW MSTAR TECH
A control structure and construction method for overrun convergence deformation of shield tunnel during operation period
ActiveCN113137257BPrevention of convergence deformationImprove pullout resistanceUnderground chambersTunnel liningPre stressArchitectural engineering
The invention discloses a control structure and a construction method for over-limit convergence deformation of a shield tunnel during the operation period. The structure includes a bag-expanded prestressed anchor rod, a waterproof layer, a circumferential steel beam, a longitudinal steel beam, and a paired truss ;The contact area between the expanded bladder prestressed anchor rod and the surrounding soil layer of the shield tunnel is increased by the enlarged bladder, and the pull-out resistance is increased. The expanded bladder prestressed anchor rod symmetrically arranged on the section of the shield tunnel The application of the prestressing force and the application of the jack reaction force to the support truss, the two work together, can effectively control the over-limit convergence deformation of the section of the shield tunnel, and resume the operation of the shield tunnel as soon as possible; after the section of the shield tunnel returns to normal, the capsule The expanded prestressed anchor will continue to be used normally, effectively serving the prevention and control of convergence deformation during the entire life cycle of the shield tunnel in operation.
Owner:江苏中车城市发展有限公司 +2
Novel tunnel construction ventilation system based on high-pressure air supply and ventilation method thereof
ActiveCN113217070AGuarantee the construction progressEnsure construction safetyMining devicesTunnel/mines ventillationMechanical engineeringDelivery system
The invention discloses a novel tunnel construction ventilation system based on high-pressure air supply and a ventilation method thereof, and relates to the technical field of tunnel construction ventilation. The ventilation system comprises an air supply power system and an airflow conveying system, wherein the air supply power system is arranged at a tunnel inlet to form high-speed airflow; the airflow conveying system is arranged in a tunnel hole, can extend to the tunnel inlet to be connected with the air supply power system and is used for conveying high-pressure airflow into a tunnel; the airflow conveying system comprises a high-pressure conveying section and an airflow diffusion section; and high-speed airflow formed by the air supply power system can sequentially pass through the high-pressure conveying section and the airflow diffusion section to enter the position near the tunnel face and form diffuse type airflow. By implementing the technical scheme, the problems that an existing tunnel construction ventilation system is insufficient in air supply, lags behind the construction progress and the like are solved, the construction progress and safety of a small-section long-distance tunnel can be effectively guaranteed, the ventilation efficiency is high, air loss is small, durability is high, and the operation and maintenance cost of equipment can be effectively reduced.
Owner:CHINA RAILWAY 23RD CONSTR BUREAU LTD
A lens production mold
The invention discloses a mold for lens production, which comprises a working table, a lower mold, an upper mold, an electromagnet and a constant temperature heating assembly. The middle part of the table is fixed with a lower mold and a positioning seat, and an external air valve is connected between the steering chambers, and a constant temperature heating assembly is installed inside the lower mold, and the top of the lower mold is provided with an exhaust hole and a molding cavity. The upper mold is arranged directly above the lower mold, a sealing plate is installed inside the casting tube, and a magnet block is fixed on the inner wall of the casting tube, a sealing tube is fixed on the outer wall of the casting tube, and the sealing plate One end with a handle is connected to the middle part. The lens production mold is convenient for the production, processing and molding of the lens, so that the lens can be taken out stably and synchronously after production. The taking out operation is convenient and fast, which can effectively avoid the occurrence of partial damage of the lens when taking it out, and improve the molding quality of the lens production.
Owner:江西特莱斯光学有限公司
Method and apparatus for treating ocular tissue
InactiveUS20220117786A1Sufficient postoperative strengthAvoid breakingLaser surgeryOphthalmologyFemto second laser
The present invention discloses a method and an apparatus for treating an ocular tissue. The method for treating the ocular tissue includes generating a femtosecond laser beam from a laser source; orientating the femtosecond laser beam toward the ocular tissue; and defining a target area in the ocular tissue using the femtosecond laser beam, wherein the target area contains a sharp-edge part and a to-be-removed part, in which the sharp-edge part has a minimum thickness being gradually reduced to zero and is ablated by the femtosecond laser beam while the target area is defined; and removing the to-be-removed part of the target area from the ocular tissue.
Owner:EXCELSIUS MEDICAL
A barreled water liner and its filling process
InactiveCN103863700BEliminate or reduce the cleaning processSave filling timeBarrels/casks fillingEngineeringBottled water
The invention provides a barreled water inner tank. The barreled water comprises a water barrel and the inner part of the water barrel is a cavity. The barreled water inner tank is characterized in that the inner tank is composed of an inner tank body made of plastic; the inner part of the inner tank body is a cavity for storing drinking water; a plurality of layers of the middle part of the inner tank body are overlapped together and are fixed by fixing points. A filling process comprises the following steps: (a) placing the inner tank body; (b) inserting a water injection head; (c) carrying out water injection work; (d) releasing the fixing points; (e) continuously filling; (f) sealing the barreled water. According to the barreled water inner tank and the filling process thereof, the plurality of layers of the middle part of the inner tank body are overlapped together and the folded parts are temporarily fixed by the fixing points; when an existing barreled water filling method is used for filling the water, the inner tank body is uniformly stuck on the inner wall of a water barrel so as to prevent the inner tank body from being folded in the water barrel and being partially damaged, and the filling of the barreled water with the inner tank is realized.
Owner:靳海峰
Heat-seal packaging equipment and cross-seal cutting device thereof
ActiveCN102602565BExtended service lifeIncrease the bearing surfaceWrapper twisting/gatheringFixed positionHot pressing
A cross-seal cutting device comprises a plurality of hot-pressing seals arranged on a cross-seal shaft, each hot-pressing seal is provided with a cutter groove, a slider, a lead screw nut, a rolling body, a cutter and an auxiliary part are arranged in correspondence to each hot-pressing seal, the cutter is arranged in the cutter groove, the rolling body is provided with a first end and a second end, the first end is abutted to a mounting portion of the cutter, the second end is abutted with the slider, the lead screw nut is arranged in the slider, the slider moves horizontally by adjusting the lead screw nut so that the rolling body can move vertically by being abutted with the slider and the fixing position of the cutter can be changed. The auxiliary part is arranged on the slider and is surrounded between the first end and the second end of the rolling body. The invention further provides heat-seal packaging equipment provided with the cross-seal cutting device. On the heat-seal packaging equipment, the auxiliary part is arranged on the rolling body, stress surface of the rolling body during rolling can be enlarged, local friction to relevant parts by the rolling body is reduced, and accordingly, local damages of the relevant parts can be avoided and the service life is prolonged.
Owner:海南金红叶纸业有限公司 +1
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