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34results about How to "Not easy to protect" patented technology
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Fast positioning and disassembling device for testing mechanical performance of optical cable
The invention relates to a fast positioning and disassembling device for testing the mechanical performance of an optical cable. The fast positioning and disassembling device comprises an upper clamping plate, a lower clamping plate, a clamping plate connecting shaft pin, a sleeve for clamping the optical cable, an automatic electromagnetic opening and closing device and a self-locking device, wherein the automatic electromagnetic opening and closing device comprises an electromagnet, a permanent magnet, an electromagnet sleeve and a cover plate; the self-locking device comprises a clamping hook, springs and a locking tongue; the sleeve is divided into an upper semicircular sleeve and a lower semicircular sleeve; the upper clamping plate is rotatably connected with the lower clamping plate by the clamping plate connecting shaft pin; the upper semicircular sleeve is connected with the upper clamping plate in a detachable manner; the lower semicircular sleeve is connected with the lower clamping plate in a detachable manner; the cover plate is positioned in the upper clamping plate; the electromagnet is fixed in the electromagnet sleeve which is fixed in the upper clamping plate by the cover plate; the permanent magnet is fixed in the lower clamping plate; the clamping hook is fixed in the upper clamping plate; the locking tongue is positioned in the lower clamping plate; and the springs are positioned at the two sides of the locking tongue. The fast positioning and disassembling device provided by the invention has the advantages that the optical cable is effectively protected, the working efficiency is high and the safety is high.
Owner:JIANGSU HENGTONG PHOTOELECTRIC
Ecological sinking bed for deep polluted river treatment and in-situ remediation and method thereof
PendingCN110803772AImprove purification effectEasy to recycleWater resource protectionWater contaminantsMicroorganismIn situ remediation
The invention discloses an ecological sinking bed for deep polluted river treatment and in-situ remediation and a method thereof, and belongs to the field of environmental protection devices. The ecological sinking bed comprises a frame body, and the frame body is divided into plant planting areas located on the two sides and a filling area located in the middle. The plant planting area is used for planting aquatic plants, and the filling area is sequentially filled with zeolite, a solidified microorganism filler and a three-dimensional elastic filler from bottom to top in a layered mode. Theecological sinking bed is characterized in that the water body is purified in multiple modes by combining the physical adsorption and microbial degradation effects of the filler and the zeolite surface and the purification function of plants such as reeds, and a knife edge is designed for cutting the reeds, so that the problems of unfavorable conditions of easy damage, short tolerance time and thelike of floating beds due to large rain water flow speed and sun exposure and difficult recovery caused by rooting of the reeds are solved. The ecological settling bed is nontoxic and harmless in material, is not easy to damage, is durable, is convenient to recycle and reuse after finishing, and does not generate secondary pollution.
Owner:ZHEJIANG UNIV
Method for desorption of arsenic and antimony in blowing process of copper matte converter
The invention relates to a method for desorption of arsenic and antimony in the blowing process of a copper matte converter and belongs to the technical field of copper smelting. In the first period of blowing of the copper matte converter, white matte is acquired according to conventional operation; and in the process of blowing the white matte and cold burden into crude copper in the second period, sodium sulfate is added for slag formation and desorption of arsenic and antimony, and the total adding amount of the sodium sulfate is 1%-3% of the mass of metal copper in furnace burden put intoa furnace. According to the method, in the copper making process in the second period of blowing of the converter, synchronous desorption of arsenic and antimony is implemented, hardly no equipment is added, the blowing system is not changed, and energy consumption increase is not obvious; and special emissions of arsenic and antimony slag is not needed at the end point of the copper making period, the arsenic and antimony slag enters a next procedure along with the crude copper to be subjected to oxidizing refining, and the blowing direct recycling rate of copper is not lowered.
Owner:KUNMING UNIV OF SCI & TECH +1
Redundant power supply and method for realizing redundant power supply on redundant power supply
PendingCN112531878ANot easy to protectNot easy to damageEmergency power supply arrangementsControl switchSystems engineering
Owner:HAWUN ELECTRONICS CO LTD
High-elasticity impact-resistant corrugated cardboard
InactiveCN101701436AImprove protectionNot easy to fall offSpecial paperPaper/cardboardCardboardPulp and paper industry
The invention relates to a high-elasticity impact-resistant corrugated cardboard which comprises an outer surface paper layer, a corrugated paper core and a bottom surface paper layer, wherein the corrugated paper core is a regular pentagonal corrugated paper core, and the regular pentagonal corrugated paper core is bonded with the lower surface of the outer surface paper layer and the upper surface of the bottom surface paper layer. The high-elasticity impact-resistant corrugated cardboard has the advantages of good shock resistance, good impact resistance and high peeling strength, and is conductive to saving resources and protecting environment.
Owner:李新桥
Method and system for suppressing direct-current side voltage oscillation
ActiveCN110707977ALess likely to cause torque rippleOscillation suppressionElectronic commutation motor controlVector control systemsOvervoltageElectric machine
The invention discloses a method and system for suppressing the direct-current side voltage oscillation. The method is applied to an urban rail vehicle comprising a linear motor traction system and comprises the following steps of determining the voltage oscillation quantity of the direct-current side voltage of an inverter; converting the voltage oscillation quantity into a slip frequency compensation quantity, and compensating the slip frequency compensation quantity on a given slip frequency of the linear motor; solving the stator frequency of the linear motor according to the compensated given slip frequency and the rotor frequency of the linear motor, and re-determining a coordinate conversion angle value in a synchronous rotation coordinate conversion formula of a vector control system according to the stator frequency; adjusting the output of the inverter with the redetermined vector control system to suppress the oscillation quantity. According to the invention, the given slipfrequency is compensated, and the output of the inverter is readjusted, so that the linear motor consumes the oscillation voltage at the direct current side of the inverter, the torque ripple of the linear motor does not happen easily, the overvoltage and overcurrent fault protection of the traction system is not easy to trigger, and the stability and driving safety of a traction system are improved.
Owner:CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
A load-sensing multi-way valve
ActiveCN113669323BReduce sizeNot easy to be damaged by collisionServomotor componentsInlet valveOil intake
Owner:宁波市博尔法液压有限公司
Gynecological nursing pad
InactiveCN111419521AEasy to installSolve the problem that it is inconvenient to disassemble and replace the upper surface, and it is unhygienic to useBed wetting preventionNursing careUpper teeth
The invention discloses a gynecological nursing pad. The gynecological nursing pad comprises a bottom mat; a nursing pad main body is arranged in the middle of the upper surface of the bottom pad; second edgings are connected to two ends of the nursing pad body through thread sewing; first edgings are connected to the two ends of the upper surface of the bottom pad body through thread sewing; teeth are fixedly connected to the side faces of the first edgings and the side faces of the second edgings; and upper teeth are fixed to the top ends of the first edgings and the top ends of the second edgings. The first edgings and the teeth are designed on the two sides of a pull head, and the second edgings and the teeth are designed on the two sides of the nursing pad body, so that the problems that the upper surface of a nursing pad is inconvenient to disassemble and replace during long-term use and placement and thus use is insanitary can be avoided. The two lower teeth can be clamped withthe pull head until the two lower teeth are pulled to the upper teeth, and the two teeth are closed through pulling of the pull head, so that the first edges and the second edges are stably mounted, and the nursing pad main body is closed in the upper surface of the bottom pad.
Owner:杭州蒂尔佳仪器有限公司
Ceramsite particle forming device and forming method
ActiveCN114471828AReduce the impactNot easy to stick to each otherSievingScreeningEngineeringMechanical engineering
The ceramsite particle forming device comprises a machine body, a profiling roller, a sorting device, a screening device and a poking device, the poking device is arranged in the machine body and close to the top of the screening device, and an arc-shaped elastic plate is arranged between the surface of a driving roller and the two corresponding sides of the surface of the driving roller. The comb tooth device is arranged on the surface of the cambered surface connecting plate and is away from one end of the driving roller, the top end of the comb tooth body is fixedly connected with the surface of the cambered surface connecting plate, the air injection hole is formed in the comb tooth body and is located in the surface position, and the air injection hole communicates with the air outlet end of the bag body; the invention relates to the technical field of ceramsite particle production. According to the ceramsite particle forming device, the rapid drying effect is achieved, rapid drying can be achieved, particle forming, sorting and drying are integrated, meanwhile, the situation that particles adhere to one another is not prone to occurring, blocking is effectively prevented, safety and reliability are achieved, and the working efficiency and the use performance are improved.
Owner:江苏睿新世越环保新材料科技有限公司
Anti-interference indoor 5G network communication device
ActiveCN111370839AImprove anti-interference abilityImprove protectionAntenna supports/mountingsCoupling device detailsTelecommunicationsInterference resistance
The invention relates to the technical field of communication devices. The invention particularly relates to an anti-interference indoor 5G network communication device. The device comprises a deviceshell, a connecting antenna and a crystal socket protector, heat dissipation openings are formed in the left side and the right side of the device shell, jacks are formed in the two sides of the backsurface of the device shell, the connecting antenna is inserted into the jacks, a plurality of crystal socket holes are formed in the back surface of the device shell, and the crystal socket protectoris arranged on the outer sides of the crystal socket holes. According to the invention, the connecting antenna is arranged; through the rotation of the adapter, the sector area of the connecting antenna 2 can be adjusted. The first antenna can be finely adjusted through the spherical shaft, the stability of the antenna can be facilitated, the first antenna can be protected through the elasticityof the plurality of precision springs 206 when the 5G network communication device is impacted or the adjustment amplitude is large, and the anti-interference performance of the 5G network communication device is improved.
Owner:JIANGSU YONGDING COMM
Mineral insulated fireproof cable
ActiveCN113035414APrevent mutual winding and deformationImprove insulation performanceClimate change adaptationFlexible cablesElectrically conductivePolyimide
The invention discloses a mineral insulated fireproof cable, which comprises a cable body, wherein an installation clamping sleeve is arranged in the cable body, an electromagnetic shielding film is arranged on the outer side of the installation clamping sleeve, a first mineral layer is arranged on the outer side of the electromagnetic shielding film, and an isolation lining is arranged on the outer side of the first mineral layer. According to the invention, a conductive copper core is fixed through an installation clamping sleeve, and a second mineral substance strip is installed, so that mutual winding deformation among conducting wires is prevented, the strength of the installation clamping sleeve is effectively supported, installation and connection are facilitated, and the insulation effect of the cable is enhanced; and an electromagnetic shielding film effectively isolates electromagnetic radiation, a first mineral substance layer can effectively insulate heat and prevent fire, matching of steel wires and polyimide fibers makes a cable have rigidity which is not easy to deform and toughness which is good in recovery performance, and an isolation lining and an armor effectively protect the outer layer of the cable to reduce cable abrasion, so that the cable is not easy to twist and deform, the fireproof and heat insulation effects are good, the probability of breakage and short circuit is greatly reduced, and effective heat dissipation can be achieved through the heat dissipation holes and the ventilation holes.
Owner:福建日日红电线电缆有限公司
Waterproof vapor-permeable film adhesive tape and preparation method thereof
ActiveCN110343478AIncreased transverse and longitudinal tensile strengthGuaranteed qualityFilm/foil adhesivesWater vaporAdhesive
The invention belongs to waterproof and energy-saving materials for building, and discloses a waterproof vapor-permeable film adhesive tape and a preparation method thereof. The waterproof vapor-permeable film adhesive tape is formed by utilizing essential characteristics of various functional materials and the close connection between the functional materials. The compounding between the functional material layers of the adhesive tape significantly increases the transverse longitudinal tensile strength of the vapor-permeable film adhesive tape. Adhesive layers for completing the compounding between the functional layer materials can protect the functional layer materials to the greatest extent, firmness of the adhesive tape is improved, and the adhesive tape is not easily pierced. The high moisture permeability of building joints is ensured by a dispersion-spaced coating manner of the adhesive layers, and water vapor-blocking caused by the adhesive layers on a wall and the like is prevented. In the preparation process of the adhesive tape, steps are simple and convenient, preparation equipment is less, well-experienced operators are not needed, labor consumption is reduced, quality is ensured, preparation efficiency is remarkably improved, and thus the method is suitable for batch production in various large factories.
Owner:河北筑恒科技有限公司
Thrombus aspiration catheter
PendingCN112587202ASimple structureEasy to operateSurgerySuction devicesExternal catheterThrombus aspiration
The invention discloses a thrombus aspiration catheter, and belongs to the technical field of medical instruments. The invention provides the thrombus aspiration catheter. The thrombus aspiration catheter comprises a catheter body, a balloon, a first Y-shaped valve and a second Y-shaped valve, the catheter body comprises an outer catheter and an inner catheter located inside the outer catheter, ahead end of the inner catheter is attached to a head end of the outer catheter, a gap is reserved between the other parts of the inner catheter and the outer catheter except the head ends, a pluralityof suction holes are formed in the attached portion of the inner catheter and the outer catheter, a part of a tail end of the inner catheter extends out of a tail end of the outer catheter, the balloon is arranged on the outer catheter in a sleeving mode, a plurality of liquid injection holes are formed in the portion, located inside the balloon, of the outer catheter, a first main branch of thefirst Y-shaped valve communicates with the outer catheter, and a second main branch of the second Y-shaped valve communicates with the inner catheter. According to the thrombus aspiration catheter, the structure is simple, when the thrombus aspiration catheter is used for aspirating thrombus, only the first Y-shaped valve needs to be used for injecting liquid into the balloon, then the second Y-shaped valve is used for aspirating the thrombus, and the operation is convenient.
Owner:上海璞慧医疗器械有限公司
Protective sliding door used for steel slag treatment
InactiveCN101705315BNot easy to damageAchieve damageRecycling and recovery technologiesSlagMaterials science
The invention discloses a protective sliding door used for steel slag treatment, comprising a track, and a moving and travelling device which is matched with the track, wherein the moving and travelling device is hung on the track, and a door beam provided with a flexible door is fixed on the moving and travelling device. When high-temperature steel slag splashes in a workshop, splashed slag firstly collides with a hinged flap, the impact of the splashed slag can be relieved as the hung hinged flap is flexible so as not to cause secondary splashing, and simultaneously the hinged flap has resistance to high-temperature splashed slag, thus being not easy to damage; after air flow such as smoke dust, steam and the like passes through a chain layer, the air flow is blocked by a rubber door layer and can not overflow from the workshop, so as to realize environmental protection; as the hinged flap and the rubber door are fixed in a hanging way, and both have certain flexibility, when the instant impact of the air flow is caused by rushing, slashing, explosion and the like, the flexible hinged flap and the rubber door can effectively relieve and absorb the impact kinetic energy of the air flow, and also can be automatically uncovered by the air flow when the impact pressure is over-high, thus realizing fast explosive venting, and avoiding the damage to the closed workshop.
Owner:MOUNTOP GRP CO LTD
A method for removing arsenic and antimony in the process of converting copper matte converter
The invention relates to a method for removing arsenic and antimony in the copper matte converter blowing process, belonging to the technical field of copper smelting. In the first cycle of copper matte converter blowing, white matte is obtained according to conventional operations. In the second cycle, white matte and cold material are blown into blister copper by adding sodium sulfate to form slag and remove arsenic and antimony. The total amount of sodium sulfate added is the furnace charge 1%~3% of the mass of copper in the interior metal. This method implements synchronous removal of arsenic and antimony during the second cycle of copper-making in converter blowing, hardly increases equipment, does not change the blowing system, and does not increase energy consumption significantly; when the end of the copper-making period reaches the end of the copper-making period, no special discharge of arsenic and antimony slag is required , with the blister copper into the next process for oxidation and refining, without reducing the direct yield of copper blowing.
Owner:KUNMING UNIV OF SCI & TECH +1
High elasticity corrugated board
InactiveCN102529275AImprove impact resistanceImprove seismic performancePaper/cardboard layered productsEngineeringShock resistance
The invention relates to a high elasticity corrugated board. The high elasticity corrugated board comprises an outer facial tissue layer, a corrugated paper core and a bottom facial tissue layer, wherein the corrugated paper core is a regular pentagon-shaped corrugated paper core, and the regular pentagon-shaped corrugated paper core is adhered with the lower surface of the outer facial tissue layer and the upper surface of the bottom facial tissue layer. The invention disclosed by the invention has the beneficial effects that the high elasticity corrugated board has good impact resistance and good shock resistance; in a transportation process, the high elasticity corrugated board is not easy to puncture when being shocked by an external force, and commodities can be effectively protected; the corrugated board has high peel strength, and the facial tissue is not easy to peel; due to a single-corrugated board three-layer structure and a electron hole structure, the thickness of the corrugated board in unit weight can be increased, the transformation to light weight is realized, the resource is favorably saved, and the environment is favorably protected; and the structure is simple, the weight is light, and the manufacturing cost is low.
Owner:TIANJIN FUWANGDA PAPER PROD
A quick positioning and unloading device for optical cable mechanical performance test
The invention relates to a fast positioning and disassembling device for testing the mechanical performance of an optical cable. The fast positioning and disassembling device comprises an upper clamping plate, a lower clamping plate, a clamping plate connecting shaft pin, a sleeve for clamping the optical cable, an automatic electromagnetic opening and closing device and a self-locking device, wherein the automatic electromagnetic opening and closing device comprises an electromagnet, a permanent magnet, an electromagnet sleeve and a cover plate; the self-locking device comprises a clamping hook, springs and a locking tongue; the sleeve is divided into an upper semicircular sleeve and a lower semicircular sleeve; the upper clamping plate is rotatably connected with the lower clamping plate by the clamping plate connecting shaft pin; the upper semicircular sleeve is connected with the upper clamping plate in a detachable manner; the lower semicircular sleeve is connected with the lower clamping plate in a detachable manner; the cover plate is positioned in the upper clamping plate; the electromagnet is fixed in the electromagnet sleeve which is fixed in the upper clamping plate by the cover plate; the permanent magnet is fixed in the lower clamping plate; the clamping hook is fixed in the upper clamping plate; the locking tongue is positioned in the lower clamping plate; and the springs are positioned at the two sides of the locking tongue. The fast positioning and disassembling device provided by the invention has the advantages that the optical cable is effectively protected, the working efficiency is high and the safety is high.
Owner:JIANGSU HENGTONG PHOTOELECTRIC
Power cabinet
PendingCN112382951AImprove enduranceEasy to moveSubstation/switching arrangement cooling/ventilationSubstation/switching arrangement casingsPower equipmentStormwater
The invention discloses a power cabinet which comprises a main body, a blocking device is always arranged at the top of the main body, supporting bases are fixedly connected to the two sides of the bottom of the main body, an adjusting device is fixedly connected to the bottom of an inner cavity of the main body, a clamping groove is formed in the inner wall of the left side of the main body, anda box door is rotatably connected to the right side of the front face of the main body; and a handle is arranged in the middle of the right side of the front face of the box door all the time, and a clamping block is fixedly connected to the front face of the handle. The invention relates to the technical field of power equipment. According to the waterproof power cabinet, blocking can be performed in rainy days, rainwater does not easily stay, the adjusting device can be finely adjusted in the main body, so that heat dissipation is facilitated in rainy days, the situation that rainwater invades and accumulates in gaps and storage parts, and power cannot be supplied due to damage of power box parts is avoided, and rainwater circulation in rainy days is relatively convenient due to the circulation groove; through the arrangement of the through holes, the internal temperature is convenient to circulate, the heat dissipation speed is increased through the work of the heat dissipation fan,and the blowing range is increased.
Owner:万文情
Novel supporting column porcelain bottle wire fixing and eddy current wire damage preventing device
PendingCN113612181AWarranty Strength RequirementsEnsure consistencySuspension arrangements for electric cablesEngineering plasticStructural engineering
The invention relates to a novel supporting column porcelain bottle wire fixing and eddy current line damage preventing device which is composed of a base, a pressing plate, buckles, anti-skid ribs, a binding belt, four connecting bases, studs and rubber protection layers, wherein the four connecting seats are arranged on the circumference of the base; the buckles are hinged to the connecting seats; the studs are symmetrically arranged on the two sides of a first wire groove; the pressing plate is provided with a second arc-shaped wire groove and a bolt hole; each stud is an internal thread stud; the anti-skid ribs are respectively arranged in the first wire groove and the second wire groove; the rubber protection layers are respectively arranged on the contact surfaces of the bottom plate, the hanging plate, the buckles and the porcelain insulator; the base, the connecting seats and the studs are of an integral structure, the pressing plate is made of engineering plastics, and the two ends of the first wire groove of the base are designed into arc surface structures, so that the surface of a wire cannot be damaged; the pressing plate is made of engineering plastics, so that the heating of the wire caused by eddy current is avoided; and as the structure is reasonable and the use is convenient, the device has great practical and promotional values.
Owner:RUGAO TIANAN ELECTRIC TECH
A prefabricated transformer foundation structure and its construction method
ActiveCN112281906BImprove aestheticsFlexible constructionFoundation engineeringTransformerArchitectural engineering
The invention provides an assembled transformer foundation structure and a construction method thereof, including an oil pool foundation pit, a base plate is arranged in the oil pool foundation pit, a prefabricated oil pool side wall is installed on the side of the oil pool foundation pit, and a prefabricated oil pool side wall is installed on the base plate. The well-shaped bottom plate, the prefabricated inverted T-shaped main variable bar base is installed in the well-shaped bottom plate, and the base connecting beam is installed on the top of the prefabricated inverted T-shaped main variable bar base; the present invention utilizes the prefabricated inverted T-shaped main variable bar base to reduce The amount of concrete is used to realize prefabricated construction, which can be applied to the needs of different main transformer equipment. There are fewer wet operations on site, fewer construction procedures, and the aesthetics of the main transformer foundation completed by the overall construction is greatly improved, and the construction quality is easy to control.
Owner:国网河南能源互联网电力设计院有限公司
Installation method of water-cooled beam and water-cooled pipe at the bottom of blast furnace
ActiveCN106191355BAchieve installationGuarantee product qualityCooling devicesTotal stationEngineering
Owner:CHINA 19TH METALLURGICAL CORP
Anti-interference 5G network communication device
PendingCN112243163AImprove anti-interference abilityImprove protectionPivotable antennasAntenna supports/mountingsTelecommunicationsInterference resistance
The invention relates to the technical field of communication devices, in particular to an anti-interference 5G network communication device which comprises a device shell, a connecting antenna and acrystal socket protector, wherein heat dissipation openings are formed in the left side and the right side of the device shell, jacks are formed in the two sides of the back face of the device shell,the connecting antenna is inserted into the jacks, a plurality of crystal socket holes are formed in the back face of the device shell, and the crystal socket protector is arranged on the outer sidesof the crystal socket holes. Through the arrangement of the connecting antenna, the connecting antenna 2 can be adjusted in a fan-shaped area through the rotation of the adapter, and the first antennacan be finely adjusted through the spherical shaft, so that the stability of the antenna can be facilitated, and the first antenna can be protected through the elasticity of the plurality of precision springs 206 when the antenna is impacted or the adjustment amplitude is relatively large; the anti-interference performance of the 5G network communication device is improved.
Owner:林超文
High-elasticity impact-resistant corrugated cardboard
InactiveCN101701436BImprove impact resistanceImprove seismic performanceSpecial paperPaper/cardboardCardboardShock resistance
The invention relates to a high-elasticity impact-resistant corrugated cardboard which comprises an outer surface paper layer, a corrugated paper core and a bottom surface paper layer, wherein the corrugated paper core is a regular pentagonal corrugated paper core, and the regular pentagonal corrugated paper core is bonded with the lower surface of the outer surface paper layer and the upper surface of the bottom surface paper layer. The high-elasticity impact-resistant corrugated cardboard has the advantages of good shock resistance, good impact resistance and high peeling strength, and is conductive to saving resources and protecting environment.
Owner:李新桥
A kind of powder coating with wrinkle effect that is not easy to expose substrate after curing and preparation method thereof
ActiveCN104403519BWrinkle effect is evenStrong three-dimensional sensePowdery paintsEpoxy resin coatingsWrinkleSubstrate surface
The invention discloses a wrinkle effect powder coating with a substrate in low tendency to expose after solidification, the wrinkle effect powder coating comprises a bottom powder composition and a wrinkle agent composition, wherein the bottom powder composition mainly comprises epoxy resin, polyester resin, a curing agent, an accelerator and a pigment filler, the wrinkle agent composition mainly comprises an acrylate copolymer, epoxy resin, polyester resin, a curing agent and a pigment filler; and the mass ratio of the wrinkling agent composition and the bottom powder composition is 0.1%-9%. The invention also provides a preparation method of the wrinkle effect powder coating. The wrinkle effect powder coating is uniform in coating film wrinkle effect, strong in three-dimensional sense, the substrate surface is covered completely, the substrate is not easy to expose, and more effective protection is provided for the substrate.
Owner:GUANGZHOU KINTE IND
A photoelectric conversion connector
ActiveCN111293554BEasy to closeImprove flexural strengthPhotovoltaicsCouplings bases/casesPhotoelectric conversionScrew thread
The invention belongs to the technical field of connectors, in particular to a photoelectric conversion connector, which includes a No. 1 connection terminal, a No. 2 connection terminal and a connection wire. The No. 1 connection terminal and the No. 2 connection terminal are fixedly connected through the connection wire. The outside of the No. 1 connection end and the No. 2 connection end are covered with a protective sleeve. The upper end of the protective sleeve is located outside the connecting line and a threaded sleeve is provided. The threaded sleeve is fixedly connected with the connecting line, and the threaded sleeve and the protective sleeve are screwed together. , the upper end of the threaded sleeve is located on the outside of the connecting line, and the anti-bending sleeve is fixed on the outside of the anti-bending sleeve, and several anti-bending bars are fixed on the outside of the anti-bending sleeve. The harness barrel is fixed, and the harness barrel is connected with the connecting wire. The harness ring is fixed in the middle of the upper end of the pull ring. When in use, the No. 1 connection end and the No. 2 connection end are wrapped and protected by the protective sleeve. , Simple operation and convenient use.
Owner:LULIANG UNIV
Fabricated transformer foundation structure and construction method thereof
ActiveCN112281906AFavorable crack resistanceImprove aestheticsFoundation engineeringTransformerArchitectural engineering
The invention provides a fabricated transformer foundation structure and a construction method thereof. The fabricated transformer foundation structure comprises an oil pool foundation pit, a base plate is arranged in the oil pool foundation pit, a prefabricated oil pool side wall is installed on the side of the oil pool foundation pit, a #-shaped bottom plate is installed on the base plate, prefabricated inverted-T-shaped main transformer strip bases are installed in the #-shaped bottom plate, a foundation connecting beam is installed at the tops of the prefabricated inverted-T-shaped main transformer strip bases. The prefabricated inverted-T-shaped structure main transformer strip bases are used for reducing concrete consumption, fabricated construction is achieved, the fabricated transformer foundation structure can meet the requirements of different main transformer devices, the number of on-site wet operation is small, the number of construction procedures is small, the attractiveness of an integrally-constructed main transformer foundation is greatly improved, and the construction quality is easy to control.
Owner:国网河南能源互联网电力设计院有限公司
A kind of waterproof vapor permeable film tape and preparation method thereof
ActiveCN110343478BIncreased transverse and longitudinal tensile strengthGuaranteed qualityFilm/foil adhesivesAdhesive beltMoisture permeability
The invention belongs to waterproof and energy-saving materials for buildings, and discloses a waterproof vapor-permeable film adhesive tape and a preparation method thereof. The waterproof and vapor-permeable film adhesive tape is compounded by utilizing the essential properties of various functional materials and the tight connection between the functional materials. The compounding of each functional material layer of the adhesive tape significantly improves the transverse and longitudinal tensile strength of the vapor-permeable film adhesive tape. The bonding layer used for compounding the materials of each functional layer can protect the materials of each functional layer to the greatest extent, improves the firmness of the tape, and is not easy to be punctured. Each adhesive layer ensures high moisture permeability at the joints of the building through the scattered and spaced coating method, and also prevents the adhesive layer from blocking water vapor on the wall. In the preparation process of the tape, the steps are simple and convenient, the preparation equipment is less, no experienced operators are needed, the labor consumption is reduced, the quality is guaranteed, and the preparation efficiency is significantly improved, which is suitable for batch production in major factories in production.
Owner:河北筑恒科技有限公司
Installation method for blast furnace bottom water cooling beam and blast furnace bottom water cooling pipe
ActiveCN106191355AAchieve installationGuarantee product qualityCooling devicesTotal stationEngineering
The invention discloses an installation method for a blast furnace bottom water cooling beam and a blast furnace bottom water cooling pipe. According to the installation method, field construction processes are reduced, and the installation quality is improved. The installation method includes the steps that firstly, a furnace bottom water cooling beam and water cooling pipe assembling body is totally cut into five splicing blocks according to a design drawing; secondly, the five splicing blocks are produced in a factory; thirdly, the five splicing blocks are generally assembled on a factor splicing platform, and an installation coordinate system and a blast furnace center are marked on the furnace bottom water cooling beam and the furnace bottom water cooling pipe which are assembled; fourthly, a part is transported to the field; fifthly, the installation coordinate system and the blast furnace center of the furnace bottom water cooling beam and the furnace bottom water cooling pipe are discharged out on a blast furnace foundation bearing table through a total station; sixthly, the first splicing block, the second splicing blocks and the third splicing blocks are sequentially installed and spliced; and seventhly, after various items of installation sizes are checked to be qualified, welding is conducted. By the adoption of the installation method for the blast furnace bottom water cooling beam and the blast furnace bottom water cooling pipe, field construction process links are few, and safety and reliability are achieved; the installation precision is high, and quality is good; and the installation time is short, and the construction period is shortened.
Owner:CHINA 19TH METALLURGICAL CORP
Photoelectric conversion connector
ActiveCN111293554AEasy to closeImprove flexural strengthPhotovoltaicsCouplings bases/casesEngineeringPhotoelectric conversion
The invention belongs to the technical field of connectors, and especially to a photoelectric conversion connector, which comprises a first connecting end, a second connecting end and a connecting line, wherein the first connecting end and the second connecting end are fixedly connected through the connecting line. The first connecting end and the second connecting end are each covered with a protective sleeve. A threaded sleeve is arranged at the upper end of the protective sleeve and outside the connecting line; the threaded sleeve is fixedly connected with the connecting line; the threadedsleeve is in screwed connection with the protective sleeve; an anti-bending sleeve is fixed at the upper end of the threaded sleeve and positioned outside the connecting line; a plurality of anti-bending strips are fixed outside the anti-bending sleeve; a pull ring is arranged in the middle of the upper end of the first connecting end; wire bunching cylinders are fixed to the two ends of the pullring respectively; the connecting line passes through the wire bunching cylinders; a bunching ring is fixed to the middle of the upper end of the pull ring; and during use, the first connecting end and the second connecting end are wrapped and protected through the protective sleeve. The photoelectric conversion connector is easy to operate and is convenient and fast to use.
Owner:LULIANG UNIV
Load-sensitive multi-way valve
ActiveCN113669323AReduce sizeNot easy to be damaged by collisionServomotor componentsInlet valveEngineering
The invention relates to a load-sensitive multi-way valve, and belongs to the technical field of engineering vehicles. The load-sensitive multi-way valve comprises an oil inlet valve body assembly, a plurality of reversing valve body assemblies and an oil return valve body assembly, the reversing valve body assemblies are connected in parallel, the oil inlet valve body assembly comprises an oil inlet valve body, the reversing valve body assemblies comprise reversing valve bodies, and the oil return valve body assembly comprises an oil return valve body. The oil inlet valve body is provided with a main oil inlet pipeline and a main oil return pipeline, the oil return valve body is provided with an auxiliary oil inlet pipeline and an auxiliary oil return pipeline, and the main oil inlet pipeline and the auxiliary oil inlet pipeline communicate on the reversing valve body and supply oil to the reversing valve body assembly. The main oil return pipeline and the auxiliary oil return pipeline communicate on the reversing valve body and return oil to the reversing valve body assembly. The load-sensitive multi-way valve has the effect of more stable oil inlet and return.
Owner:宁波市博尔法液压有限公司
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